Changes between Initial Version and Version 1 of Ticket #2146


Ignore:
Timestamp:
Jul 1, 2019, 10:55:25 AM (7 years ago)
Author:
Eric Pettersen
Comment:

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  • Ticket #2146

    • Property Component Unassigned → Graphics
    • Property Owner set to Tom Goddard
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Status new → assigned
    • Property Summary ChimeraX bug report submission → self._positions is None

  • Ticket #2146 – Description

    initial v1  
    307307See log for complete Python traceback. 
    308308 
     309
     310[_many_ copies of these deleted]
     311
    309312Traceback (most recent call last): 
    310313File
    … …  
    373376See log for complete Python traceback. 
    374377 
    375 Traceback (most recent call last): 
    376 File
    377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    378 packages/chimerax/core/triggerset.py", line 130, in invoke 
    379 return self._func(self._name, data) 
    380 File
    381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    382 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    383 if v.display: 
    384 File
    385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    386 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    387 return self._any_displayed_positions and len(self._positions) > 0 
    388 TypeError: object of type 'NoneType' has no len() 
    389  
    390 During handling of the above exception, another exception occurred: 
    391  
    392 Traceback (most recent call last): 
    393 File
    394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    395 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    396 if not self.draw_new_frame(): 
    397 File
    398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    399 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    400 changed = view.check_for_drawing_change() 
    401 File
    402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    403 packages/chimerax/core/graphics/view.py", line 252, in
    404 check_for_drawing_change 
    405 trig.activate_trigger('graphics update', self) 
    406 File
    407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    408 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    409 trigger.activate(data) 
    410 File
    411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    412 packages/chimerax/core/triggerset.py", line 190, in activate 
    413 ret = handler.invoke(data, self._remove_bad_handlers) 
    414 File
    415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    416 packages/chimerax/core/triggerset.py", line 132, in invoke 
    417 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    418 File
    419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    420 packages/chimerax/core/session.py", line 943, in <lambda> 
    421 logger.report_exception(preface=preface)) 
    422 File
    423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    424 packages/chimerax/core/logger.py", line 421, in report_exception 
    425 elif probably_chimera1_session(exc_info): 
    426 File
    427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    428 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    429 etype, evalue, etraceback = exc_info 
    430 TypeError: cannot unpack non-iterable NoneType object 
    431  
    432 TypeError: cannot unpack non-iterable NoneType object 
    433  
    434 File
    435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    436 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    437 etype, evalue, etraceback = exc_info 
    438  
    439 See log for complete Python traceback. 
    440  
    441 Traceback (most recent call last): 
    442 File
    443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    444 packages/chimerax/core/triggerset.py", line 130, in invoke 
    445 return self._func(self._name, data) 
    446 File
    447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    448 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    449 if v.display: 
    450 File
    451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    452 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    453 return self._any_displayed_positions and len(self._positions) > 0 
    454 TypeError: object of type 'NoneType' has no len() 
    455  
    456 During handling of the above exception, another exception occurred: 
    457  
    458 Traceback (most recent call last): 
    459 File
    460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    461 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    462 if not self.draw_new_frame(): 
    463 File
    464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    465 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    466 changed = view.check_for_drawing_change() 
    467 File
    468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    469 packages/chimerax/core/graphics/view.py", line 252, in
    470 check_for_drawing_change 
    471 trig.activate_trigger('graphics update', self) 
    472 File
    473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    474 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    475 trigger.activate(data) 
    476 File
    477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    478 packages/chimerax/core/triggerset.py", line 190, in activate 
    479 ret = handler.invoke(data, self._remove_bad_handlers) 
    480 File
    481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    482 packages/chimerax/core/triggerset.py", line 132, in invoke 
    483 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    484 File
    485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    486 packages/chimerax/core/session.py", line 943, in <lambda> 
    487 logger.report_exception(preface=preface)) 
    488 File
    489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    490 packages/chimerax/core/logger.py", line 421, in report_exception 
    491 elif probably_chimera1_session(exc_info): 
    492 File
    493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    494 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    495 etype, evalue, etraceback = exc_info 
    496 TypeError: cannot unpack non-iterable NoneType object 
    497  
    498 TypeError: cannot unpack non-iterable NoneType object 
    499  
    500 File
    501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    502 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    503 etype, evalue, etraceback = exc_info 
    504  
    505 See log for complete Python traceback. 
    506  
    507 Traceback (most recent call last): 
    508 File
    509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    510 packages/chimerax/core/triggerset.py", line 130, in invoke 
    511 return self._func(self._name, data) 
    512 File
    513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    514 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    515 if v.display: 
    516 File
    517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    518 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    519 return self._any_displayed_positions and len(self._positions) > 0 
    520 TypeError: object of type 'NoneType' has no len() 
    521  
    522 During handling of the above exception, another exception occurred: 
    523  
    524 Traceback (most recent call last): 
    525 File
    526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    527 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    528 if not self.draw_new_frame(): 
    529 File
    530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    531 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    532 changed = view.check_for_drawing_change() 
    533 File
    534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    535 packages/chimerax/core/graphics/view.py", line 252, in
    536 check_for_drawing_change 
    537 trig.activate_trigger('graphics update', self) 
    538 File
    539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    540 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    541 trigger.activate(data) 
    542 File
    543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    544 packages/chimerax/core/triggerset.py", line 190, in activate 
    545 ret = handler.invoke(data, self._remove_bad_handlers) 
    546 File
    547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    548 packages/chimerax/core/triggerset.py", line 132, in invoke 
    549 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    550 File
    551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    552 packages/chimerax/core/session.py", line 943, in <lambda> 
    553 logger.report_exception(preface=preface)) 
    554 File
    555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    556 packages/chimerax/core/logger.py", line 421, in report_exception 
    557 elif probably_chimera1_session(exc_info): 
    558 File
    559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    560 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    561 etype, evalue, etraceback = exc_info 
    562 TypeError: cannot unpack non-iterable NoneType object 
    563  
    564 TypeError: cannot unpack non-iterable NoneType object 
    565  
    566 File
    567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    568 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    569 etype, evalue, etraceback = exc_info 
    570  
    571 See log for complete Python traceback. 
    572  
    573 Traceback (most recent call last): 
    574 File
    575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    576 packages/chimerax/core/triggerset.py", line 130, in invoke 
    577 return self._func(self._name, data) 
    578 File
    579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    580 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    581 if v.display: 
    582 File
    583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    584 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    585 return self._any_displayed_positions and len(self._positions) > 0 
    586 TypeError: object of type 'NoneType' has no len() 
    587  
    588 During handling of the above exception, another exception occurred: 
    589  
    590 Traceback (most recent call last): 
    591 File
    592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    593 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    594 if not self.draw_new_frame(): 
    595 File
    596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    597 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    598 changed = view.check_for_drawing_change() 
    599 File
    600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    601 packages/chimerax/core/graphics/view.py", line 252, in
    602 check_for_drawing_change 
    603 trig.activate_trigger('graphics update', self) 
    604 File
    605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    606 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    607 trigger.activate(data) 
    608 File
    609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    610 packages/chimerax/core/triggerset.py", line 190, in activate 
    611 ret = handler.invoke(data, self._remove_bad_handlers) 
    612 File
    613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    614 packages/chimerax/core/triggerset.py", line 132, in invoke 
    615 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    616 File
    617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    618 packages/chimerax/core/session.py", line 943, in <lambda> 
    619 logger.report_exception(preface=preface)) 
    620 File
    621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    622 packages/chimerax/core/logger.py", line 421, in report_exception 
    623 elif probably_chimera1_session(exc_info): 
    624 File
    625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    626 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    627 etype, evalue, etraceback = exc_info 
    628 TypeError: cannot unpack non-iterable NoneType object 
    629  
    630 TypeError: cannot unpack non-iterable NoneType object 
    631  
    632 File
    633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    634 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    635 etype, evalue, etraceback = exc_info 
    636  
    637 See log for complete Python traceback. 
    638  
    639 Traceback (most recent call last): 
    640 File
    641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    642 packages/chimerax/core/triggerset.py", line 130, in invoke 
    643 return self._func(self._name, data) 
    644 File
    645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    646 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    647 if v.display: 
    648 File
    649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    650 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    651 return self._any_displayed_positions and len(self._positions) > 0 
    652 TypeError: object of type 'NoneType' has no len() 
    653  
    654 During handling of the above exception, another exception occurred: 
    655  
    656 Traceback (most recent call last): 
    657 File
    658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    659 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    660 if not self.draw_new_frame(): 
    661 File
    662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    663 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    664 changed = view.check_for_drawing_change() 
    665 File
    666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    667 packages/chimerax/core/graphics/view.py", line 252, in
    668 check_for_drawing_change 
    669 trig.activate_trigger('graphics update', self) 
    670 File
    671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    672 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    673 trigger.activate(data) 
    674 File
    675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    676 packages/chimerax/core/triggerset.py", line 190, in activate 
    677 ret = handler.invoke(data, self._remove_bad_handlers) 
    678 File
    679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    680 packages/chimerax/core/triggerset.py", line 132, in invoke 
    681 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    682 File
    683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    684 packages/chimerax/core/session.py", line 943, in <lambda> 
    685 logger.report_exception(preface=preface)) 
    686 File
    687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    688 packages/chimerax/core/logger.py", line 421, in report_exception 
    689 elif probably_chimera1_session(exc_info): 
    690 File
    691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    692 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    693 etype, evalue, etraceback = exc_info 
    694 TypeError: cannot unpack non-iterable NoneType object 
    695  
    696 TypeError: cannot unpack non-iterable NoneType object 
    697  
    698 File
    699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    700 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    701 etype, evalue, etraceback = exc_info 
    702  
    703 See log for complete Python traceback. 
    704  
    705 Traceback (most recent call last): 
    706 File
    707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    708 packages/chimerax/core/triggerset.py", line 130, in invoke 
    709 return self._func(self._name, data) 
    710 File
    711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    712 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    713 if v.display: 
    714 File
    715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    716 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    717 return self._any_displayed_positions and len(self._positions) > 0 
    718 TypeError: object of type 'NoneType' has no len() 
    719  
    720 During handling of the above exception, another exception occurred: 
    721  
    722 Traceback (most recent call last): 
    723 File
    724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    725 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    726 if not self.draw_new_frame(): 
    727 File
    728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    729 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    730 changed = view.check_for_drawing_change() 
    731 File
    732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    733 packages/chimerax/core/graphics/view.py", line 252, in
    734 check_for_drawing_change 
    735 trig.activate_trigger('graphics update', self) 
    736 File
    737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    738 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    739 trigger.activate(data) 
    740 File
    741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    742 packages/chimerax/core/triggerset.py", line 190, in activate 
    743 ret = handler.invoke(data, self._remove_bad_handlers) 
    744 File
    745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    746 packages/chimerax/core/triggerset.py", line 132, in invoke 
    747 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    748 File
    749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    750 packages/chimerax/core/session.py", line 943, in <lambda> 
    751 logger.report_exception(preface=preface)) 
    752 File
    753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    754 packages/chimerax/core/logger.py", line 421, in report_exception 
    755 elif probably_chimera1_session(exc_info): 
    756 File
    757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    758 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    759 etype, evalue, etraceback = exc_info 
    760 TypeError: cannot unpack non-iterable NoneType object 
    761  
    762 TypeError: cannot unpack non-iterable NoneType object 
    763  
    764 File
    765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    766 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    767 etype, evalue, etraceback = exc_info 
    768  
    769 See log for complete Python traceback. 
    770  
    771 Traceback (most recent call last): 
    772 File
    773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    774 packages/chimerax/core/triggerset.py", line 130, in invoke 
    775 return self._func(self._name, data) 
    776 File
    777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    778 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    779 if v.display: 
    780 File
    781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    782 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    783 return self._any_displayed_positions and len(self._positions) > 0 
    784 TypeError: object of type 'NoneType' has no len() 
    785  
    786 During handling of the above exception, another exception occurred: 
    787  
    788 Traceback (most recent call last): 
    789 File
    790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    791 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    792 if not self.draw_new_frame(): 
    793 File
    794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    795 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    796 changed = view.check_for_drawing_change() 
    797 File
    798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    799 packages/chimerax/core/graphics/view.py", line 252, in
    800 check_for_drawing_change 
    801 trig.activate_trigger('graphics update', self) 
    802 File
    803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    804 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    805 trigger.activate(data) 
    806 File
    807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    808 packages/chimerax/core/triggerset.py", line 190, in activate 
    809 ret = handler.invoke(data, self._remove_bad_handlers) 
    810 File
    811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    812 packages/chimerax/core/triggerset.py", line 132, in invoke 
    813 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    814 File
    815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    816 packages/chimerax/core/session.py", line 943, in <lambda> 
    817 logger.report_exception(preface=preface)) 
    818 File
    819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    820 packages/chimerax/core/logger.py", line 421, in report_exception 
    821 elif probably_chimera1_session(exc_info): 
    822 File
    823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    824 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    825 etype, evalue, etraceback = exc_info 
    826 TypeError: cannot unpack non-iterable NoneType object 
    827  
    828 TypeError: cannot unpack non-iterable NoneType object 
    829  
    830 File
    831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    832 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    833 etype, evalue, etraceback = exc_info 
    834  
    835 See log for complete Python traceback. 
    836  
    837 Traceback (most recent call last): 
    838 File
    839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    840 packages/chimerax/core/triggerset.py", line 130, in invoke 
    841 return self._func(self._name, data) 
    842 File
    843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    844 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    845 if v.display: 
    846 File
    847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    848 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    849 return self._any_displayed_positions and len(self._positions) > 0 
    850 TypeError: object of type 'NoneType' has no len() 
    851  
    852 During handling of the above exception, another exception occurred: 
    853  
    854 Traceback (most recent call last): 
    855 File
    856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    857 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    858 if not self.draw_new_frame(): 
    859 File
    860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    861 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    862 changed = view.check_for_drawing_change() 
    863 File
    864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    865 packages/chimerax/core/graphics/view.py", line 252, in
    866 check_for_drawing_change 
    867 trig.activate_trigger('graphics update', self) 
    868 File
    869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    870 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    871 trigger.activate(data) 
    872 File
    873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    874 packages/chimerax/core/triggerset.py", line 190, in activate 
    875 ret = handler.invoke(data, self._remove_bad_handlers) 
    876 File
    877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    878 packages/chimerax/core/triggerset.py", line 132, in invoke 
    879 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    880 File
    881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    882 packages/chimerax/core/session.py", line 943, in <lambda> 
    883 logger.report_exception(preface=preface)) 
    884 File
    885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    886 packages/chimerax/core/logger.py", line 421, in report_exception 
    887 elif probably_chimera1_session(exc_info): 
    888 File
    889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    890 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    891 etype, evalue, etraceback = exc_info 
    892 TypeError: cannot unpack non-iterable NoneType object 
    893  
    894 TypeError: cannot unpack non-iterable NoneType object 
    895  
    896 File
    897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    898 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    899 etype, evalue, etraceback = exc_info 
    900  
    901 See log for complete Python traceback. 
    902  
    903 Traceback (most recent call last): 
    904 File
    905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    906 packages/chimerax/core/triggerset.py", line 130, in invoke 
    907 return self._func(self._name, data) 
    908 File
    909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    910 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    911 if v.display: 
    912 File
    913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    914 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    915 return self._any_displayed_positions and len(self._positions) > 0 
    916 TypeError: object of type 'NoneType' has no len() 
    917  
    918 During handling of the above exception, another exception occurred: 
    919  
    920 Traceback (most recent call last): 
    921 File
    922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    923 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    924 if not self.draw_new_frame(): 
    925 File
    926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    927 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    928 changed = view.check_for_drawing_change() 
    929 File
    930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    931 packages/chimerax/core/graphics/view.py", line 252, in
    932 check_for_drawing_change 
    933 trig.activate_trigger('graphics update', self) 
    934 File
    935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    936 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    937 trigger.activate(data) 
    938 File
    939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    940 packages/chimerax/core/triggerset.py", line 190, in activate 
    941 ret = handler.invoke(data, self._remove_bad_handlers) 
    942 File
    943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    944 packages/chimerax/core/triggerset.py", line 132, in invoke 
    945 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    946 File
    947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    948 packages/chimerax/core/session.py", line 943, in <lambda> 
    949 logger.report_exception(preface=preface)) 
    950 File
    951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    952 packages/chimerax/core/logger.py", line 421, in report_exception 
    953 elif probably_chimera1_session(exc_info): 
    954 File
    955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    956 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    957 etype, evalue, etraceback = exc_info 
    958 TypeError: cannot unpack non-iterable NoneType object 
    959  
    960 TypeError: cannot unpack non-iterable NoneType object 
    961  
    962 File
    963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    964 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    965 etype, evalue, etraceback = exc_info 
    966  
    967 See log for complete Python traceback. 
    968  
    969 Traceback (most recent call last): 
    970 File
    971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    972 packages/chimerax/core/triggerset.py", line 130, in invoke 
    973 return self._func(self._name, data) 
    974 File
    975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    976 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    977 if v.display: 
    978 File
    979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    980 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    981 return self._any_displayed_positions and len(self._positions) > 0 
    982 TypeError: object of type 'NoneType' has no len() 
    983  
    984 During handling of the above exception, another exception occurred: 
    985  
    986 Traceback (most recent call last): 
    987 File
    988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    989 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    990 if not self.draw_new_frame(): 
    991 File
    992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    993 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    994 changed = view.check_for_drawing_change() 
    995 File
    996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    997 packages/chimerax/core/graphics/view.py", line 252, in
    998 check_for_drawing_change 
    999 trig.activate_trigger('graphics update', self) 
    1000 File
    1001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1002 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1003 trigger.activate(data) 
    1004 File
    1005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1006 packages/chimerax/core/triggerset.py", line 190, in activate 
    1007 ret = handler.invoke(data, self._remove_bad_handlers) 
    1008 File
    1009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1010 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1011 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1012 File
    1013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1014 packages/chimerax/core/session.py", line 943, in <lambda> 
    1015 logger.report_exception(preface=preface)) 
    1016 File
    1017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1018 packages/chimerax/core/logger.py", line 421, in report_exception 
    1019 elif probably_chimera1_session(exc_info): 
    1020 File
    1021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1022 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1023 etype, evalue, etraceback = exc_info 
    1024 TypeError: cannot unpack non-iterable NoneType object 
    1025  
    1026 TypeError: cannot unpack non-iterable NoneType object 
    1027  
    1028 File
    1029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1030 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1031 etype, evalue, etraceback = exc_info 
    1032  
    1033 See log for complete Python traceback. 
    1034  
    1035 Traceback (most recent call last): 
    1036 File
    1037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1038 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1039 return self._func(self._name, data) 
    1040 File
    1041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1042 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1043 if v.display: 
    1044 File
    1045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1046 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1047 return self._any_displayed_positions and len(self._positions) > 0 
    1048 TypeError: object of type 'NoneType' has no len() 
    1049  
    1050 During handling of the above exception, another exception occurred: 
    1051  
    1052 Traceback (most recent call last): 
    1053 File
    1054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1055 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1056 if not self.draw_new_frame(): 
    1057 File
    1058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1059 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1060 changed = view.check_for_drawing_change() 
    1061 File
    1062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1063 packages/chimerax/core/graphics/view.py", line 252, in
    1064 check_for_drawing_change 
    1065 trig.activate_trigger('graphics update', self) 
    1066 File
    1067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1068 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1069 trigger.activate(data) 
    1070 File
    1071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1072 packages/chimerax/core/triggerset.py", line 190, in activate 
    1073 ret = handler.invoke(data, self._remove_bad_handlers) 
    1074 File
    1075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1076 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1077 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1078 File
    1079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1080 packages/chimerax/core/session.py", line 943, in <lambda> 
    1081 logger.report_exception(preface=preface)) 
    1082 File
    1083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1084 packages/chimerax/core/logger.py", line 421, in report_exception 
    1085 elif probably_chimera1_session(exc_info): 
    1086 File
    1087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1088 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1089 etype, evalue, etraceback = exc_info 
    1090 TypeError: cannot unpack non-iterable NoneType object 
    1091  
    1092 TypeError: cannot unpack non-iterable NoneType object 
    1093  
    1094 File
    1095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1096 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1097 etype, evalue, etraceback = exc_info 
    1098  
    1099 See log for complete Python traceback. 
    1100  
    1101 Traceback (most recent call last): 
    1102 File
    1103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1104 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1105 return self._func(self._name, data) 
    1106 File
    1107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1108 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1109 if v.display: 
    1110 File
    1111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1112 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1113 return self._any_displayed_positions and len(self._positions) > 0 
    1114 TypeError: object of type 'NoneType' has no len() 
    1115  
    1116 During handling of the above exception, another exception occurred: 
    1117  
    1118 Traceback (most recent call last): 
    1119 File
    1120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1121 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1122 if not self.draw_new_frame(): 
    1123 File
    1124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1125 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1126 changed = view.check_for_drawing_change() 
    1127 File
    1128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1129 packages/chimerax/core/graphics/view.py", line 252, in
    1130 check_for_drawing_change 
    1131 trig.activate_trigger('graphics update', self) 
    1132 File
    1133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1134 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1135 trigger.activate(data) 
    1136 File
    1137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1138 packages/chimerax/core/triggerset.py", line 190, in activate 
    1139 ret = handler.invoke(data, self._remove_bad_handlers) 
    1140 File
    1141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1142 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1143 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1144 File
    1145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1146 packages/chimerax/core/session.py", line 943, in <lambda> 
    1147 logger.report_exception(preface=preface)) 
    1148 File
    1149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1150 packages/chimerax/core/logger.py", line 421, in report_exception 
    1151 elif probably_chimera1_session(exc_info): 
    1152 File
    1153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1154 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1155 etype, evalue, etraceback = exc_info 
    1156 TypeError: cannot unpack non-iterable NoneType object 
    1157  
    1158 TypeError: cannot unpack non-iterable NoneType object 
    1159  
    1160 File
    1161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1162 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1163 etype, evalue, etraceback = exc_info 
    1164  
    1165 See log for complete Python traceback. 
    1166  
    1167 Traceback (most recent call last): 
    1168 File
    1169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1170 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1171 return self._func(self._name, data) 
    1172 File
    1173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1174 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1175 if v.display: 
    1176 File
    1177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1178 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1179 return self._any_displayed_positions and len(self._positions) > 0 
    1180 TypeError: object of type 'NoneType' has no len() 
    1181  
    1182 During handling of the above exception, another exception occurred: 
    1183  
    1184 Traceback (most recent call last): 
    1185 File
    1186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1187 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1188 if not self.draw_new_frame(): 
    1189 File
    1190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1191 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1192 changed = view.check_for_drawing_change() 
    1193 File
    1194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1195 packages/chimerax/core/graphics/view.py", line 252, in
    1196 check_for_drawing_change 
    1197 trig.activate_trigger('graphics update', self) 
    1198 File
    1199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1200 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1201 trigger.activate(data) 
    1202 File
    1203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1204 packages/chimerax/core/triggerset.py", line 190, in activate 
    1205 ret = handler.invoke(data, self._remove_bad_handlers) 
    1206 File
    1207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1208 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1209 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1210 File
    1211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1212 packages/chimerax/core/session.py", line 943, in <lambda> 
    1213 logger.report_exception(preface=preface)) 
    1214 File
    1215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1216 packages/chimerax/core/logger.py", line 421, in report_exception 
    1217 elif probably_chimera1_session(exc_info): 
    1218 File
    1219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1220 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1221 etype, evalue, etraceback = exc_info 
    1222 TypeError: cannot unpack non-iterable NoneType object 
    1223  
    1224 TypeError: cannot unpack non-iterable NoneType object 
    1225  
    1226 File
    1227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1228 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1229 etype, evalue, etraceback = exc_info 
    1230  
    1231 See log for complete Python traceback. 
    1232  
    1233 Traceback (most recent call last): 
    1234 File
    1235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1236 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1237 return self._func(self._name, data) 
    1238 File
    1239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1240 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1241 if v.display: 
    1242 File
    1243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1244 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1245 return self._any_displayed_positions and len(self._positions) > 0 
    1246 TypeError: object of type 'NoneType' has no len() 
    1247  
    1248 During handling of the above exception, another exception occurred: 
    1249  
    1250 Traceback (most recent call last): 
    1251 File
    1252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1253 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1254 if not self.draw_new_frame(): 
    1255 File
    1256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1257 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1258 changed = view.check_for_drawing_change() 
    1259 File
    1260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1261 packages/chimerax/core/graphics/view.py", line 252, in
    1262 check_for_drawing_change 
    1263 trig.activate_trigger('graphics update', self) 
    1264 File
    1265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1266 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1267 trigger.activate(data) 
    1268 File
    1269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1270 packages/chimerax/core/triggerset.py", line 190, in activate 
    1271 ret = handler.invoke(data, self._remove_bad_handlers) 
    1272 File
    1273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1274 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1275 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1276 File
    1277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1278 packages/chimerax/core/session.py", line 943, in <lambda> 
    1279 logger.report_exception(preface=preface)) 
    1280 File
    1281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1282 packages/chimerax/core/logger.py", line 421, in report_exception 
    1283 elif probably_chimera1_session(exc_info): 
    1284 File
    1285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1286 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1287 etype, evalue, etraceback = exc_info 
    1288 TypeError: cannot unpack non-iterable NoneType object 
    1289  
    1290 TypeError: cannot unpack non-iterable NoneType object 
    1291  
    1292 File
    1293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1294 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1295 etype, evalue, etraceback = exc_info 
    1296  
    1297 See log for complete Python traceback. 
    1298  
    1299 Traceback (most recent call last): 
    1300 File
    1301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1302 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1303 return self._func(self._name, data) 
    1304 File
    1305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1306 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1307 if v.display: 
    1308 File
    1309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1310 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1311 return self._any_displayed_positions and len(self._positions) > 0 
    1312 TypeError: object of type 'NoneType' has no len() 
    1313  
    1314 During handling of the above exception, another exception occurred: 
    1315  
    1316 Traceback (most recent call last): 
    1317 File
    1318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1319 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1320 if not self.draw_new_frame(): 
    1321 File
    1322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1323 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1324 changed = view.check_for_drawing_change() 
    1325 File
    1326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1327 packages/chimerax/core/graphics/view.py", line 252, in
    1328 check_for_drawing_change 
    1329 trig.activate_trigger('graphics update', self) 
    1330 File
    1331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1332 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1333 trigger.activate(data) 
    1334 File
    1335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1336 packages/chimerax/core/triggerset.py", line 190, in activate 
    1337 ret = handler.invoke(data, self._remove_bad_handlers) 
    1338 File
    1339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1340 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1341 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1342 File
    1343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1344 packages/chimerax/core/session.py", line 943, in <lambda> 
    1345 logger.report_exception(preface=preface)) 
    1346 File
    1347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1348 packages/chimerax/core/logger.py", line 421, in report_exception 
    1349 elif probably_chimera1_session(exc_info): 
    1350 File
    1351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1352 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1353 etype, evalue, etraceback = exc_info 
    1354 TypeError: cannot unpack non-iterable NoneType object 
    1355  
    1356 TypeError: cannot unpack non-iterable NoneType object 
    1357  
    1358 File
    1359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1360 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1361 etype, evalue, etraceback = exc_info 
    1362  
    1363 See log for complete Python traceback. 
    1364  
    1365 Traceback (most recent call last): 
    1366 File
    1367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1369 return self._func(self._name, data) 
    1370 File
    1371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1372 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1373 if v.display: 
    1374 File
    1375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1376 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1377 return self._any_displayed_positions and len(self._positions) > 0 
    1378 TypeError: object of type 'NoneType' has no len() 
    1379  
    1380 During handling of the above exception, another exception occurred: 
    1381  
    1382 Traceback (most recent call last): 
    1383 File
    1384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1385 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1386 if not self.draw_new_frame(): 
    1387 File
    1388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1389 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1390 changed = view.check_for_drawing_change() 
    1391 File
    1392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1393 packages/chimerax/core/graphics/view.py", line 252, in
    1394 check_for_drawing_change 
    1395 trig.activate_trigger('graphics update', self) 
    1396 File
    1397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1398 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1399 trigger.activate(data) 
    1400 File
    1401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1402 packages/chimerax/core/triggerset.py", line 190, in activate 
    1403 ret = handler.invoke(data, self._remove_bad_handlers) 
    1404 File
    1405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1406 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1407 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1408 File
    1409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1410 packages/chimerax/core/session.py", line 943, in <lambda> 
    1411 logger.report_exception(preface=preface)) 
    1412 File
    1413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1414 packages/chimerax/core/logger.py", line 421, in report_exception 
    1415 elif probably_chimera1_session(exc_info): 
    1416 File
    1417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1418 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1419 etype, evalue, etraceback = exc_info 
    1420 TypeError: cannot unpack non-iterable NoneType object 
    1421  
    1422 TypeError: cannot unpack non-iterable NoneType object 
    1423  
    1424 File
    1425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1426 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1427 etype, evalue, etraceback = exc_info 
    1428  
    1429 See log for complete Python traceback. 
    1430  
    1431 Traceback (most recent call last): 
    1432 File
    1433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1434 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1435 return self._func(self._name, data) 
    1436 File
    1437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1438 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1439 if v.display: 
    1440 File
    1441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1442 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1443 return self._any_displayed_positions and len(self._positions) > 0 
    1444 TypeError: object of type 'NoneType' has no len() 
    1445  
    1446 During handling of the above exception, another exception occurred: 
    1447  
    1448 Traceback (most recent call last): 
    1449 File
    1450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1451 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1452 if not self.draw_new_frame(): 
    1453 File
    1454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1455 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1456 changed = view.check_for_drawing_change() 
    1457 File
    1458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1459 packages/chimerax/core/graphics/view.py", line 252, in
    1460 check_for_drawing_change 
    1461 trig.activate_trigger('graphics update', self) 
    1462 File
    1463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1464 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1465 trigger.activate(data) 
    1466 File
    1467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1468 packages/chimerax/core/triggerset.py", line 190, in activate 
    1469 ret = handler.invoke(data, self._remove_bad_handlers) 
    1470 File
    1471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1472 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1473 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1474 File
    1475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1476 packages/chimerax/core/session.py", line 943, in <lambda> 
    1477 logger.report_exception(preface=preface)) 
    1478 File
    1479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1480 packages/chimerax/core/logger.py", line 421, in report_exception 
    1481 elif probably_chimera1_session(exc_info): 
    1482 File
    1483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1484 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1485 etype, evalue, etraceback = exc_info 
    1486 TypeError: cannot unpack non-iterable NoneType object 
    1487  
    1488 TypeError: cannot unpack non-iterable NoneType object 
    1489  
    1490 File
    1491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1492 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1493 etype, evalue, etraceback = exc_info 
    1494  
    1495 See log for complete Python traceback. 
    1496  
    1497 Traceback (most recent call last): 
    1498 File
    1499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1500 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1501 return self._func(self._name, data) 
    1502 File
    1503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1504 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1505 if v.display: 
    1506 File
    1507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1508 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1509 return self._any_displayed_positions and len(self._positions) > 0 
    1510 TypeError: object of type 'NoneType' has no len() 
    1511  
    1512 During handling of the above exception, another exception occurred: 
    1513  
    1514 Traceback (most recent call last): 
    1515 File
    1516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1517 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1518 if not self.draw_new_frame(): 
    1519 File
    1520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1521 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1522 changed = view.check_for_drawing_change() 
    1523 File
    1524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1525 packages/chimerax/core/graphics/view.py", line 252, in
    1526 check_for_drawing_change 
    1527 trig.activate_trigger('graphics update', self) 
    1528 File
    1529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1530 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1531 trigger.activate(data) 
    1532 File
    1533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1534 packages/chimerax/core/triggerset.py", line 190, in activate 
    1535 ret = handler.invoke(data, self._remove_bad_handlers) 
    1536 File
    1537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1538 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1539 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1540 File
    1541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1542 packages/chimerax/core/session.py", line 943, in <lambda> 
    1543 logger.report_exception(preface=preface)) 
    1544 File
    1545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1546 packages/chimerax/core/logger.py", line 421, in report_exception 
    1547 elif probably_chimera1_session(exc_info): 
    1548 File
    1549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1550 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1551 etype, evalue, etraceback = exc_info 
    1552 TypeError: cannot unpack non-iterable NoneType object 
    1553  
    1554 TypeError: cannot unpack non-iterable NoneType object 
    1555  
    1556 File
    1557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1558 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1559 etype, evalue, etraceback = exc_info 
    1560  
    1561 See log for complete Python traceback. 
    1562  
    1563 Traceback (most recent call last): 
    1564 File
    1565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1566 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1567 return self._func(self._name, data) 
    1568 File
    1569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1570 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1571 if v.display: 
    1572 File
    1573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1574 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1575 return self._any_displayed_positions and len(self._positions) > 0 
    1576 TypeError: object of type 'NoneType' has no len() 
    1577  
    1578 During handling of the above exception, another exception occurred: 
    1579  
    1580 Traceback (most recent call last): 
    1581 File
    1582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1583 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1584 if not self.draw_new_frame(): 
    1585 File
    1586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1587 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1588 changed = view.check_for_drawing_change() 
    1589 File
    1590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1591 packages/chimerax/core/graphics/view.py", line 252, in
    1592 check_for_drawing_change 
    1593 trig.activate_trigger('graphics update', self) 
    1594 File
    1595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1596 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1597 trigger.activate(data) 
    1598 File
    1599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1600 packages/chimerax/core/triggerset.py", line 190, in activate 
    1601 ret = handler.invoke(data, self._remove_bad_handlers) 
    1602 File
    1603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1604 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1605 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1606 File
    1607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1608 packages/chimerax/core/session.py", line 943, in <lambda> 
    1609 logger.report_exception(preface=preface)) 
    1610 File
    1611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1612 packages/chimerax/core/logger.py", line 421, in report_exception 
    1613 elif probably_chimera1_session(exc_info): 
    1614 File
    1615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1616 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1617 etype, evalue, etraceback = exc_info 
    1618 TypeError: cannot unpack non-iterable NoneType object 
    1619  
    1620 TypeError: cannot unpack non-iterable NoneType object 
    1621  
    1622 File
    1623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1624 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1625 etype, evalue, etraceback = exc_info 
    1626  
    1627 See log for complete Python traceback. 
    1628  
    1629 Traceback (most recent call last): 
    1630 File
    1631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1632 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1633 return self._func(self._name, data) 
    1634 File
    1635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1636 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1637 if v.display: 
    1638 File
    1639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1640 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1641 return self._any_displayed_positions and len(self._positions) > 0 
    1642 TypeError: object of type 'NoneType' has no len() 
    1643  
    1644 During handling of the above exception, another exception occurred: 
    1645  
    1646 Traceback (most recent call last): 
    1647 File
    1648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1649 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1650 if not self.draw_new_frame(): 
    1651 File
    1652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1653 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1654 changed = view.check_for_drawing_change() 
    1655 File
    1656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1657 packages/chimerax/core/graphics/view.py", line 252, in
    1658 check_for_drawing_change 
    1659 trig.activate_trigger('graphics update', self) 
    1660 File
    1661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1662 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1663 trigger.activate(data) 
    1664 File
    1665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1666 packages/chimerax/core/triggerset.py", line 190, in activate 
    1667 ret = handler.invoke(data, self._remove_bad_handlers) 
    1668 File
    1669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1670 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1671 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1672 File
    1673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1674 packages/chimerax/core/session.py", line 943, in <lambda> 
    1675 logger.report_exception(preface=preface)) 
    1676 File
    1677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1678 packages/chimerax/core/logger.py", line 421, in report_exception 
    1679 elif probably_chimera1_session(exc_info): 
    1680 File
    1681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1682 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1683 etype, evalue, etraceback = exc_info 
    1684 TypeError: cannot unpack non-iterable NoneType object 
    1685  
    1686 TypeError: cannot unpack non-iterable NoneType object 
    1687  
    1688 File
    1689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1690 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1691 etype, evalue, etraceback = exc_info 
    1692  
    1693 See log for complete Python traceback. 
    1694  
    1695 Traceback (most recent call last): 
    1696 File
    1697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1698 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1699 return self._func(self._name, data) 
    1700 File
    1701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1702 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1703 if v.display: 
    1704 File
    1705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1706 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1707 return self._any_displayed_positions and len(self._positions) > 0 
    1708 TypeError: object of type 'NoneType' has no len() 
    1709  
    1710 During handling of the above exception, another exception occurred: 
    1711  
    1712 Traceback (most recent call last): 
    1713 File
    1714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1715 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1716 if not self.draw_new_frame(): 
    1717 File
    1718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1719 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1720 changed = view.check_for_drawing_change() 
    1721 File
    1722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1723 packages/chimerax/core/graphics/view.py", line 252, in
    1724 check_for_drawing_change 
    1725 trig.activate_trigger('graphics update', self) 
    1726 File
    1727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1728 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1729 trigger.activate(data) 
    1730 File
    1731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1732 packages/chimerax/core/triggerset.py", line 190, in activate 
    1733 ret = handler.invoke(data, self._remove_bad_handlers) 
    1734 File
    1735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1736 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1737 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1738 File
    1739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1740 packages/chimerax/core/session.py", line 943, in <lambda> 
    1741 logger.report_exception(preface=preface)) 
    1742 File
    1743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1744 packages/chimerax/core/logger.py", line 421, in report_exception 
    1745 elif probably_chimera1_session(exc_info): 
    1746 File
    1747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1748 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1749 etype, evalue, etraceback = exc_info 
    1750 TypeError: cannot unpack non-iterable NoneType object 
    1751  
    1752 TypeError: cannot unpack non-iterable NoneType object 
    1753  
    1754 File
    1755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1756 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1757 etype, evalue, etraceback = exc_info 
    1758  
    1759 See log for complete Python traceback. 
    1760  
    1761 Traceback (most recent call last): 
    1762 File
    1763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1764 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1765 return self._func(self._name, data) 
    1766 File
    1767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1768 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1769 if v.display: 
    1770 File
    1771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1772 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1773 return self._any_displayed_positions and len(self._positions) > 0 
    1774 TypeError: object of type 'NoneType' has no len() 
    1775  
    1776 During handling of the above exception, another exception occurred: 
    1777  
    1778 Traceback (most recent call last): 
    1779 File
    1780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1781 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1782 if not self.draw_new_frame(): 
    1783 File
    1784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1785 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1786 changed = view.check_for_drawing_change() 
    1787 File
    1788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1789 packages/chimerax/core/graphics/view.py", line 252, in
    1790 check_for_drawing_change 
    1791 trig.activate_trigger('graphics update', self) 
    1792 File
    1793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1794 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1795 trigger.activate(data) 
    1796 File
    1797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1798 packages/chimerax/core/triggerset.py", line 190, in activate 
    1799 ret = handler.invoke(data, self._remove_bad_handlers) 
    1800 File
    1801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1802 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1803 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1804 File
    1805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1806 packages/chimerax/core/session.py", line 943, in <lambda> 
    1807 logger.report_exception(preface=preface)) 
    1808 File
    1809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1810 packages/chimerax/core/logger.py", line 421, in report_exception 
    1811 elif probably_chimera1_session(exc_info): 
    1812 File
    1813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1814 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1815 etype, evalue, etraceback = exc_info 
    1816 TypeError: cannot unpack non-iterable NoneType object 
    1817  
    1818 TypeError: cannot unpack non-iterable NoneType object 
    1819  
    1820 File
    1821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1822 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1823 etype, evalue, etraceback = exc_info 
    1824  
    1825 See log for complete Python traceback. 
    1826  
    1827 Traceback (most recent call last): 
    1828 File
    1829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1830 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1831 return self._func(self._name, data) 
    1832 File
    1833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1834 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1835 if v.display: 
    1836 File
    1837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1838 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1839 return self._any_displayed_positions and len(self._positions) > 0 
    1840 TypeError: object of type 'NoneType' has no len() 
    1841  
    1842 During handling of the above exception, another exception occurred: 
    1843  
    1844 Traceback (most recent call last): 
    1845 File
    1846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1847 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1848 if not self.draw_new_frame(): 
    1849 File
    1850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1851 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1852 changed = view.check_for_drawing_change() 
    1853 File
    1854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1855 packages/chimerax/core/graphics/view.py", line 252, in
    1856 check_for_drawing_change 
    1857 trig.activate_trigger('graphics update', self) 
    1858 File
    1859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1860 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1861 trigger.activate(data) 
    1862 File
    1863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1864 packages/chimerax/core/triggerset.py", line 190, in activate 
    1865 ret = handler.invoke(data, self._remove_bad_handlers) 
    1866 File
    1867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1868 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1869 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1870 File
    1871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1872 packages/chimerax/core/session.py", line 943, in <lambda> 
    1873 logger.report_exception(preface=preface)) 
    1874 File
    1875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1876 packages/chimerax/core/logger.py", line 421, in report_exception 
    1877 elif probably_chimera1_session(exc_info): 
    1878 File
    1879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1880 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1881 etype, evalue, etraceback = exc_info 
    1882 TypeError: cannot unpack non-iterable NoneType object 
    1883  
    1884 TypeError: cannot unpack non-iterable NoneType object 
    1885  
    1886 File
    1887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1888 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1889 etype, evalue, etraceback = exc_info 
    1890  
    1891 See log for complete Python traceback. 
    1892  
    1893 Traceback (most recent call last): 
    1894 File
    1895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1896 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1897 return self._func(self._name, data) 
    1898 File
    1899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1900 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1901 if v.display: 
    1902 File
    1903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1904 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1905 return self._any_displayed_positions and len(self._positions) > 0 
    1906 TypeError: object of type 'NoneType' has no len() 
    1907  
    1908 During handling of the above exception, another exception occurred: 
    1909  
    1910 Traceback (most recent call last): 
    1911 File
    1912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1913 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1914 if not self.draw_new_frame(): 
    1915 File
    1916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1917 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1918 changed = view.check_for_drawing_change() 
    1919 File
    1920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1921 packages/chimerax/core/graphics/view.py", line 252, in
    1922 check_for_drawing_change 
    1923 trig.activate_trigger('graphics update', self) 
    1924 File
    1925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1926 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1927 trigger.activate(data) 
    1928 File
    1929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1930 packages/chimerax/core/triggerset.py", line 190, in activate 
    1931 ret = handler.invoke(data, self._remove_bad_handlers) 
    1932 File
    1933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1934 packages/chimerax/core/triggerset.py", line 132, in invoke 
    1935 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    1936 File
    1937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1938 packages/chimerax/core/session.py", line 943, in <lambda> 
    1939 logger.report_exception(preface=preface)) 
    1940 File
    1941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1942 packages/chimerax/core/logger.py", line 421, in report_exception 
    1943 elif probably_chimera1_session(exc_info): 
    1944 File
    1945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1946 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1947 etype, evalue, etraceback = exc_info 
    1948 TypeError: cannot unpack non-iterable NoneType object 
    1949  
    1950 TypeError: cannot unpack non-iterable NoneType object 
    1951  
    1952 File
    1953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1954 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    1955 etype, evalue, etraceback = exc_info 
    1956  
    1957 See log for complete Python traceback. 
    1958  
    1959 Traceback (most recent call last): 
    1960 File
    1961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1962 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1963 return self._func(self._name, data) 
    1964 File
    1965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1966 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    1967 if v.display: 
    1968 File
    1969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1970 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    1971 return self._any_displayed_positions and len(self._positions) > 0 
    1972 TypeError: object of type 'NoneType' has no len() 
    1973  
    1974 During handling of the above exception, another exception occurred: 
    1975  
    1976 Traceback (most recent call last): 
    1977 File
    1978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1979 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    1980 if not self.draw_new_frame(): 
    1981 File
    1982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1983 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    1984 changed = view.check_for_drawing_change() 
    1985 File
    1986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1987 packages/chimerax/core/graphics/view.py", line 252, in
    1988 check_for_drawing_change 
    1989 trig.activate_trigger('graphics update', self) 
    1990 File
    1991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1992 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    1993 trigger.activate(data) 
    1994 File
    1995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    1996 packages/chimerax/core/triggerset.py", line 190, in activate 
    1997 ret = handler.invoke(data, self._remove_bad_handlers) 
    1998 File
    1999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2000 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2001 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2002 File
    2003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2004 packages/chimerax/core/session.py", line 943, in <lambda> 
    2005 logger.report_exception(preface=preface)) 
    2006 File
    2007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2008 packages/chimerax/core/logger.py", line 421, in report_exception 
    2009 elif probably_chimera1_session(exc_info): 
    2010 File
    2011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2012 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2013 etype, evalue, etraceback = exc_info 
    2014 TypeError: cannot unpack non-iterable NoneType object 
    2015  
    2016 TypeError: cannot unpack non-iterable NoneType object 
    2017  
    2018 File
    2019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2020 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2021 etype, evalue, etraceback = exc_info 
    2022  
    2023 See log for complete Python traceback. 
    2024  
    2025 Traceback (most recent call last): 
    2026 File
    2027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2028 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2029 return self._func(self._name, data) 
    2030 File
    2031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2032 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2033 if v.display: 
    2034 File
    2035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2036 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2037 return self._any_displayed_positions and len(self._positions) > 0 
    2038 TypeError: object of type 'NoneType' has no len() 
    2039  
    2040 During handling of the above exception, another exception occurred: 
    2041  
    2042 Traceback (most recent call last): 
    2043 File
    2044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2045 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2046 if not self.draw_new_frame(): 
    2047 File
    2048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2049 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2050 changed = view.check_for_drawing_change() 
    2051 File
    2052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2053 packages/chimerax/core/graphics/view.py", line 252, in
    2054 check_for_drawing_change 
    2055 trig.activate_trigger('graphics update', self) 
    2056 File
    2057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2058 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2059 trigger.activate(data) 
    2060 File
    2061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2062 packages/chimerax/core/triggerset.py", line 190, in activate 
    2063 ret = handler.invoke(data, self._remove_bad_handlers) 
    2064 File
    2065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2066 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2067 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2068 File
    2069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2070 packages/chimerax/core/session.py", line 943, in <lambda> 
    2071 logger.report_exception(preface=preface)) 
    2072 File
    2073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2074 packages/chimerax/core/logger.py", line 421, in report_exception 
    2075 elif probably_chimera1_session(exc_info): 
    2076 File
    2077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2078 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2079 etype, evalue, etraceback = exc_info 
    2080 TypeError: cannot unpack non-iterable NoneType object 
    2081  
    2082 TypeError: cannot unpack non-iterable NoneType object 
    2083  
    2084 File
    2085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2086 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2087 etype, evalue, etraceback = exc_info 
    2088  
    2089 See log for complete Python traceback. 
    2090  
    2091 Traceback (most recent call last): 
    2092 File
    2093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2094 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2095 return self._func(self._name, data) 
    2096 File
    2097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2098 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2099 if v.display: 
    2100 File
    2101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2102 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2103 return self._any_displayed_positions and len(self._positions) > 0 
    2104 TypeError: object of type 'NoneType' has no len() 
    2105  
    2106 During handling of the above exception, another exception occurred: 
    2107  
    2108 Traceback (most recent call last): 
    2109 File
    2110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2111 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2112 if not self.draw_new_frame(): 
    2113 File
    2114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2115 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2116 changed = view.check_for_drawing_change() 
    2117 File
    2118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2119 packages/chimerax/core/graphics/view.py", line 252, in
    2120 check_for_drawing_change 
    2121 trig.activate_trigger('graphics update', self) 
    2122 File
    2123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2124 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2125 trigger.activate(data) 
    2126 File
    2127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2128 packages/chimerax/core/triggerset.py", line 190, in activate 
    2129 ret = handler.invoke(data, self._remove_bad_handlers) 
    2130 File
    2131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2132 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2133 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2134 File
    2135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2136 packages/chimerax/core/session.py", line 943, in <lambda> 
    2137 logger.report_exception(preface=preface)) 
    2138 File
    2139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2140 packages/chimerax/core/logger.py", line 421, in report_exception 
    2141 elif probably_chimera1_session(exc_info): 
    2142 File
    2143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2144 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2145 etype, evalue, etraceback = exc_info 
    2146 TypeError: cannot unpack non-iterable NoneType object 
    2147  
    2148 TypeError: cannot unpack non-iterable NoneType object 
    2149  
    2150 File
    2151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2152 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2153 etype, evalue, etraceback = exc_info 
    2154  
    2155 See log for complete Python traceback. 
    2156  
    2157 Traceback (most recent call last): 
    2158 File
    2159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2160 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2161 return self._func(self._name, data) 
    2162 File
    2163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2164 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2165 if v.display: 
    2166 File
    2167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2168 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2169 return self._any_displayed_positions and len(self._positions) > 0 
    2170 TypeError: object of type 'NoneType' has no len() 
    2171  
    2172 During handling of the above exception, another exception occurred: 
    2173  
    2174 Traceback (most recent call last): 
    2175 File
    2176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2177 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2178 if not self.draw_new_frame(): 
    2179 File
    2180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2181 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2182 changed = view.check_for_drawing_change() 
    2183 File
    2184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2185 packages/chimerax/core/graphics/view.py", line 252, in
    2186 check_for_drawing_change 
    2187 trig.activate_trigger('graphics update', self) 
    2188 File
    2189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2190 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2191 trigger.activate(data) 
    2192 File
    2193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2194 packages/chimerax/core/triggerset.py", line 190, in activate 
    2195 ret = handler.invoke(data, self._remove_bad_handlers) 
    2196 File
    2197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2198 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2199 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2200 File
    2201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2202 packages/chimerax/core/session.py", line 943, in <lambda> 
    2203 logger.report_exception(preface=preface)) 
    2204 File
    2205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2206 packages/chimerax/core/logger.py", line 421, in report_exception 
    2207 elif probably_chimera1_session(exc_info): 
    2208 File
    2209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2210 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2211 etype, evalue, etraceback = exc_info 
    2212 TypeError: cannot unpack non-iterable NoneType object 
    2213  
    2214 TypeError: cannot unpack non-iterable NoneType object 
    2215  
    2216 File
    2217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2218 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2219 etype, evalue, etraceback = exc_info 
    2220  
    2221 See log for complete Python traceback. 
    2222  
    2223 Traceback (most recent call last): 
    2224 File
    2225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2226 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2227 return self._func(self._name, data) 
    2228 File
    2229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2230 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2231 if v.display: 
    2232 File
    2233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2234 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2235 return self._any_displayed_positions and len(self._positions) > 0 
    2236 TypeError: object of type 'NoneType' has no len() 
    2237  
    2238 During handling of the above exception, another exception occurred: 
    2239  
    2240 Traceback (most recent call last): 
    2241 File
    2242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2243 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2244 if not self.draw_new_frame(): 
    2245 File
    2246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2247 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2248 changed = view.check_for_drawing_change() 
    2249 File
    2250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2251 packages/chimerax/core/graphics/view.py", line 252, in
    2252 check_for_drawing_change 
    2253 trig.activate_trigger('graphics update', self) 
    2254 File
    2255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2256 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2257 trigger.activate(data) 
    2258 File
    2259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2260 packages/chimerax/core/triggerset.py", line 190, in activate 
    2261 ret = handler.invoke(data, self._remove_bad_handlers) 
    2262 File
    2263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2264 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2265 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2266 File
    2267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2268 packages/chimerax/core/session.py", line 943, in <lambda> 
    2269 logger.report_exception(preface=preface)) 
    2270 File
    2271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2272 packages/chimerax/core/logger.py", line 421, in report_exception 
    2273 elif probably_chimera1_session(exc_info): 
    2274 File
    2275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2276 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2277 etype, evalue, etraceback = exc_info 
    2278 TypeError: cannot unpack non-iterable NoneType object 
    2279  
    2280 TypeError: cannot unpack non-iterable NoneType object 
    2281  
    2282 File
    2283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2284 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2285 etype, evalue, etraceback = exc_info 
    2286  
    2287 See log for complete Python traceback. 
    2288  
    2289 Traceback (most recent call last): 
    2290 File
    2291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2292 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2293 return self._func(self._name, data) 
    2294 File
    2295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2296 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2297 if v.display: 
    2298 File
    2299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2300 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2301 return self._any_displayed_positions and len(self._positions) > 0 
    2302 TypeError: object of type 'NoneType' has no len() 
    2303  
    2304 During handling of the above exception, another exception occurred: 
    2305  
    2306 Traceback (most recent call last): 
    2307 File
    2308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2309 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2310 if not self.draw_new_frame(): 
    2311 File
    2312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2313 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2314 changed = view.check_for_drawing_change() 
    2315 File
    2316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2317 packages/chimerax/core/graphics/view.py", line 252, in
    2318 check_for_drawing_change 
    2319 trig.activate_trigger('graphics update', self) 
    2320 File
    2321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2322 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2323 trigger.activate(data) 
    2324 File
    2325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2326 packages/chimerax/core/triggerset.py", line 190, in activate 
    2327 ret = handler.invoke(data, self._remove_bad_handlers) 
    2328 File
    2329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2330 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2331 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2332 File
    2333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2334 packages/chimerax/core/session.py", line 943, in <lambda> 
    2335 logger.report_exception(preface=preface)) 
    2336 File
    2337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2338 packages/chimerax/core/logger.py", line 421, in report_exception 
    2339 elif probably_chimera1_session(exc_info): 
    2340 File
    2341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2342 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2343 etype, evalue, etraceback = exc_info 
    2344 TypeError: cannot unpack non-iterable NoneType object 
    2345  
    2346 TypeError: cannot unpack non-iterable NoneType object 
    2347  
    2348 File
    2349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2350 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2351 etype, evalue, etraceback = exc_info 
    2352  
    2353 See log for complete Python traceback. 
    2354  
    2355 Traceback (most recent call last): 
    2356 File
    2357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2358 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2359 return self._func(self._name, data) 
    2360 File
    2361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2362 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2363 if v.display: 
    2364 File
    2365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2366 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2367 return self._any_displayed_positions and len(self._positions) > 0 
    2368 TypeError: object of type 'NoneType' has no len() 
    2369  
    2370 During handling of the above exception, another exception occurred: 
    2371  
    2372 Traceback (most recent call last): 
    2373 File
    2374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2375 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2376 if not self.draw_new_frame(): 
    2377 File
    2378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2379 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2380 changed = view.check_for_drawing_change() 
    2381 File
    2382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2383 packages/chimerax/core/graphics/view.py", line 252, in
    2384 check_for_drawing_change 
    2385 trig.activate_trigger('graphics update', self) 
    2386 File
    2387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2388 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2389 trigger.activate(data) 
    2390 File
    2391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2392 packages/chimerax/core/triggerset.py", line 190, in activate 
    2393 ret = handler.invoke(data, self._remove_bad_handlers) 
    2394 File
    2395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2396 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2397 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2398 File
    2399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2400 packages/chimerax/core/session.py", line 943, in <lambda> 
    2401 logger.report_exception(preface=preface)) 
    2402 File
    2403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2404 packages/chimerax/core/logger.py", line 421, in report_exception 
    2405 elif probably_chimera1_session(exc_info): 
    2406 File
    2407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2408 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2409 etype, evalue, etraceback = exc_info 
    2410 TypeError: cannot unpack non-iterable NoneType object 
    2411  
    2412 TypeError: cannot unpack non-iterable NoneType object 
    2413  
    2414 File
    2415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2416 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2417 etype, evalue, etraceback = exc_info 
    2418  
    2419 See log for complete Python traceback. 
    2420  
    2421 Traceback (most recent call last): 
    2422 File
    2423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2424 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2425 return self._func(self._name, data) 
    2426 File
    2427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2428 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2429 if v.display: 
    2430 File
    2431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2432 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2433 return self._any_displayed_positions and len(self._positions) > 0 
    2434 TypeError: object of type 'NoneType' has no len() 
    2435  
    2436 During handling of the above exception, another exception occurred: 
    2437  
    2438 Traceback (most recent call last): 
    2439 File
    2440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2441 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2442 if not self.draw_new_frame(): 
    2443 File
    2444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2445 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2446 changed = view.check_for_drawing_change() 
    2447 File
    2448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2449 packages/chimerax/core/graphics/view.py", line 252, in
    2450 check_for_drawing_change 
    2451 trig.activate_trigger('graphics update', self) 
    2452 File
    2453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2454 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2455 trigger.activate(data) 
    2456 File
    2457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2458 packages/chimerax/core/triggerset.py", line 190, in activate 
    2459 ret = handler.invoke(data, self._remove_bad_handlers) 
    2460 File
    2461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2462 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2463 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2464 File
    2465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2466 packages/chimerax/core/session.py", line 943, in <lambda> 
    2467 logger.report_exception(preface=preface)) 
    2468 File
    2469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2470 packages/chimerax/core/logger.py", line 421, in report_exception 
    2471 elif probably_chimera1_session(exc_info): 
    2472 File
    2473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2474 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2475 etype, evalue, etraceback = exc_info 
    2476 TypeError: cannot unpack non-iterable NoneType object 
    2477  
    2478 TypeError: cannot unpack non-iterable NoneType object 
    2479  
    2480 File
    2481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2482 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2483 etype, evalue, etraceback = exc_info 
    2484  
    2485 See log for complete Python traceback. 
    2486  
    2487 Traceback (most recent call last): 
    2488 File
    2489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2490 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2491 return self._func(self._name, data) 
    2492 File
    2493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2494 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2495 if v.display: 
    2496 File
    2497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2498 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2499 return self._any_displayed_positions and len(self._positions) > 0 
    2500 TypeError: object of type 'NoneType' has no len() 
    2501  
    2502 During handling of the above exception, another exception occurred: 
    2503  
    2504 Traceback (most recent call last): 
    2505 File
    2506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2507 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2508 if not self.draw_new_frame(): 
    2509 File
    2510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2511 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2512 changed = view.check_for_drawing_change() 
    2513 File
    2514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2515 packages/chimerax/core/graphics/view.py", line 252, in
    2516 check_for_drawing_change 
    2517 trig.activate_trigger('graphics update', self) 
    2518 File
    2519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2520 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2521 trigger.activate(data) 
    2522 File
    2523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2524 packages/chimerax/core/triggerset.py", line 190, in activate 
    2525 ret = handler.invoke(data, self._remove_bad_handlers) 
    2526 File
    2527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2528 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2529 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2530 File
    2531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2532 packages/chimerax/core/session.py", line 943, in <lambda> 
    2533 logger.report_exception(preface=preface)) 
    2534 File
    2535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2536 packages/chimerax/core/logger.py", line 421, in report_exception 
    2537 elif probably_chimera1_session(exc_info): 
    2538 File
    2539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2540 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2541 etype, evalue, etraceback = exc_info 
    2542 TypeError: cannot unpack non-iterable NoneType object 
    2543  
    2544 TypeError: cannot unpack non-iterable NoneType object 
    2545  
    2546 File
    2547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2548 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2549 etype, evalue, etraceback = exc_info 
    2550  
    2551 See log for complete Python traceback. 
    2552  
    2553 Traceback (most recent call last): 
    2554 File
    2555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2556 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2557 return self._func(self._name, data) 
    2558 File
    2559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2560 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2561 if v.display: 
    2562 File
    2563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2564 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2565 return self._any_displayed_positions and len(self._positions) > 0 
    2566 TypeError: object of type 'NoneType' has no len() 
    2567  
    2568 During handling of the above exception, another exception occurred: 
    2569  
    2570 Traceback (most recent call last): 
    2571 File
    2572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2573 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2574 if not self.draw_new_frame(): 
    2575 File
    2576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2577 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2578 changed = view.check_for_drawing_change() 
    2579 File
    2580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2581 packages/chimerax/core/graphics/view.py", line 252, in
    2582 check_for_drawing_change 
    2583 trig.activate_trigger('graphics update', self) 
    2584 File
    2585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2586 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2587 trigger.activate(data) 
    2588 File
    2589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2590 packages/chimerax/core/triggerset.py", line 190, in activate 
    2591 ret = handler.invoke(data, self._remove_bad_handlers) 
    2592 File
    2593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2594 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2595 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2596 File
    2597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2598 packages/chimerax/core/session.py", line 943, in <lambda> 
    2599 logger.report_exception(preface=preface)) 
    2600 File
    2601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2602 packages/chimerax/core/logger.py", line 421, in report_exception 
    2603 elif probably_chimera1_session(exc_info): 
    2604 File
    2605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2606 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2607 etype, evalue, etraceback = exc_info 
    2608 TypeError: cannot unpack non-iterable NoneType object 
    2609  
    2610 TypeError: cannot unpack non-iterable NoneType object 
    2611  
    2612 File
    2613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2614 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2615 etype, evalue, etraceback = exc_info 
    2616  
    2617 See log for complete Python traceback. 
    2618  
    2619 Traceback (most recent call last): 
    2620 File
    2621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2622 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2623 return self._func(self._name, data) 
    2624 File
    2625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2626 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2627 if v.display: 
    2628 File
    2629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2630 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2631 return self._any_displayed_positions and len(self._positions) > 0 
    2632 TypeError: object of type 'NoneType' has no len() 
    2633  
    2634 During handling of the above exception, another exception occurred: 
    2635  
    2636 Traceback (most recent call last): 
    2637 File
    2638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2639 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2640 if not self.draw_new_frame(): 
    2641 File
    2642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2643 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2644 changed = view.check_for_drawing_change() 
    2645 File
    2646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2647 packages/chimerax/core/graphics/view.py", line 252, in
    2648 check_for_drawing_change 
    2649 trig.activate_trigger('graphics update', self) 
    2650 File
    2651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2652 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2653 trigger.activate(data) 
    2654 File
    2655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2656 packages/chimerax/core/triggerset.py", line 190, in activate 
    2657 ret = handler.invoke(data, self._remove_bad_handlers) 
    2658 File
    2659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2660 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2661 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2662 File
    2663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2664 packages/chimerax/core/session.py", line 943, in <lambda> 
    2665 logger.report_exception(preface=preface)) 
    2666 File
    2667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2668 packages/chimerax/core/logger.py", line 421, in report_exception 
    2669 elif probably_chimera1_session(exc_info): 
    2670 File
    2671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2672 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2673 etype, evalue, etraceback = exc_info 
    2674 TypeError: cannot unpack non-iterable NoneType object 
    2675  
    2676 TypeError: cannot unpack non-iterable NoneType object 
    2677  
    2678 File
    2679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2680 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2681 etype, evalue, etraceback = exc_info 
    2682  
    2683 See log for complete Python traceback. 
    2684  
    2685 Traceback (most recent call last): 
    2686 File
    2687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2688 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2689 return self._func(self._name, data) 
    2690 File
    2691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2692 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2693 if v.display: 
    2694 File
    2695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2696 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2697 return self._any_displayed_positions and len(self._positions) > 0 
    2698 TypeError: object of type 'NoneType' has no len() 
    2699  
    2700 During handling of the above exception, another exception occurred: 
    2701  
    2702 Traceback (most recent call last): 
    2703 File
    2704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2705 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2706 if not self.draw_new_frame(): 
    2707 File
    2708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2709 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2710 changed = view.check_for_drawing_change() 
    2711 File
    2712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2713 packages/chimerax/core/graphics/view.py", line 252, in
    2714 check_for_drawing_change 
    2715 trig.activate_trigger('graphics update', self) 
    2716 File
    2717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2718 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2719 trigger.activate(data) 
    2720 File
    2721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2722 packages/chimerax/core/triggerset.py", line 190, in activate 
    2723 ret = handler.invoke(data, self._remove_bad_handlers) 
    2724 File
    2725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2726 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2727 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2728 File
    2729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2730 packages/chimerax/core/session.py", line 943, in <lambda> 
    2731 logger.report_exception(preface=preface)) 
    2732 File
    2733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2734 packages/chimerax/core/logger.py", line 421, in report_exception 
    2735 elif probably_chimera1_session(exc_info): 
    2736 File
    2737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2738 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2739 etype, evalue, etraceback = exc_info 
    2740 TypeError: cannot unpack non-iterable NoneType object 
    2741  
    2742 TypeError: cannot unpack non-iterable NoneType object 
    2743  
    2744 File
    2745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2746 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2747 etype, evalue, etraceback = exc_info 
    2748  
    2749 See log for complete Python traceback. 
    2750  
    2751 Traceback (most recent call last): 
    2752 File
    2753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2754 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2755 return self._func(self._name, data) 
    2756 File
    2757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2758 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2759 if v.display: 
    2760 File
    2761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2762 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2763 return self._any_displayed_positions and len(self._positions) > 0 
    2764 TypeError: object of type 'NoneType' has no len() 
    2765  
    2766 During handling of the above exception, another exception occurred: 
    2767  
    2768 Traceback (most recent call last): 
    2769 File
    2770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2771 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2772 if not self.draw_new_frame(): 
    2773 File
    2774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2775 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2776 changed = view.check_for_drawing_change() 
    2777 File
    2778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2779 packages/chimerax/core/graphics/view.py", line 252, in
    2780 check_for_drawing_change 
    2781 trig.activate_trigger('graphics update', self) 
    2782 File
    2783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2784 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2785 trigger.activate(data) 
    2786 File
    2787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2788 packages/chimerax/core/triggerset.py", line 190, in activate 
    2789 ret = handler.invoke(data, self._remove_bad_handlers) 
    2790 File
    2791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2792 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2793 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2794 File
    2795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2796 packages/chimerax/core/session.py", line 943, in <lambda> 
    2797 logger.report_exception(preface=preface)) 
    2798 File
    2799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2800 packages/chimerax/core/logger.py", line 421, in report_exception 
    2801 elif probably_chimera1_session(exc_info): 
    2802 File
    2803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2804 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2805 etype, evalue, etraceback = exc_info 
    2806 TypeError: cannot unpack non-iterable NoneType object 
    2807  
    2808 TypeError: cannot unpack non-iterable NoneType object 
    2809  
    2810 File
    2811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2812 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2813 etype, evalue, etraceback = exc_info 
    2814  
    2815 See log for complete Python traceback. 
    2816  
    2817 Traceback (most recent call last): 
    2818 File
    2819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2820 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2821 return self._func(self._name, data) 
    2822 File
    2823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2824 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2825 if v.display: 
    2826 File
    2827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2828 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2829 return self._any_displayed_positions and len(self._positions) > 0 
    2830 TypeError: object of type 'NoneType' has no len() 
    2831  
    2832 During handling of the above exception, another exception occurred: 
    2833  
    2834 Traceback (most recent call last): 
    2835 File
    2836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2837 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2838 if not self.draw_new_frame(): 
    2839 File
    2840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2841 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2842 changed = view.check_for_drawing_change() 
    2843 File
    2844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2845 packages/chimerax/core/graphics/view.py", line 252, in
    2846 check_for_drawing_change 
    2847 trig.activate_trigger('graphics update', self) 
    2848 File
    2849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2850 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2851 trigger.activate(data) 
    2852 File
    2853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2854 packages/chimerax/core/triggerset.py", line 190, in activate 
    2855 ret = handler.invoke(data, self._remove_bad_handlers) 
    2856 File
    2857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2858 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2859 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2860 File
    2861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2862 packages/chimerax/core/session.py", line 943, in <lambda> 
    2863 logger.report_exception(preface=preface)) 
    2864 File
    2865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2866 packages/chimerax/core/logger.py", line 421, in report_exception 
    2867 elif probably_chimera1_session(exc_info): 
    2868 File
    2869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2870 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2871 etype, evalue, etraceback = exc_info 
    2872 TypeError: cannot unpack non-iterable NoneType object 
    2873  
    2874 TypeError: cannot unpack non-iterable NoneType object 
    2875  
    2876 File
    2877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2878 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2879 etype, evalue, etraceback = exc_info 
    2880  
    2881 See log for complete Python traceback. 
    2882  
    2883 Traceback (most recent call last): 
    2884 File
    2885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2886 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2887 return self._func(self._name, data) 
    2888 File
    2889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2890 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2891 if v.display: 
    2892 File
    2893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2894 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2895 return self._any_displayed_positions and len(self._positions) > 0 
    2896 TypeError: object of type 'NoneType' has no len() 
    2897  
    2898 During handling of the above exception, another exception occurred: 
    2899  
    2900 Traceback (most recent call last): 
    2901 File
    2902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2903 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2904 if not self.draw_new_frame(): 
    2905 File
    2906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2907 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2908 changed = view.check_for_drawing_change() 
    2909 File
    2910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2911 packages/chimerax/core/graphics/view.py", line 252, in
    2912 check_for_drawing_change 
    2913 trig.activate_trigger('graphics update', self) 
    2914 File
    2915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2916 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2917 trigger.activate(data) 
    2918 File
    2919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2920 packages/chimerax/core/triggerset.py", line 190, in activate 
    2921 ret = handler.invoke(data, self._remove_bad_handlers) 
    2922 File
    2923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2924 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2925 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2926 File
    2927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2928 packages/chimerax/core/session.py", line 943, in <lambda> 
    2929 logger.report_exception(preface=preface)) 
    2930 File
    2931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2932 packages/chimerax/core/logger.py", line 421, in report_exception 
    2933 elif probably_chimera1_session(exc_info): 
    2934 File
    2935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2936 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2937 etype, evalue, etraceback = exc_info 
    2938 TypeError: cannot unpack non-iterable NoneType object 
    2939  
    2940 TypeError: cannot unpack non-iterable NoneType object 
    2941  
    2942 File
    2943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2944 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    2945 etype, evalue, etraceback = exc_info 
    2946  
    2947 See log for complete Python traceback. 
    2948  
    2949 Traceback (most recent call last): 
    2950 File
    2951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2952 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2953 return self._func(self._name, data) 
    2954 File
    2955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2956 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    2957 if v.display: 
    2958 File
    2959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2960 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    2961 return self._any_displayed_positions and len(self._positions) > 0 
    2962 TypeError: object of type 'NoneType' has no len() 
    2963  
    2964 During handling of the above exception, another exception occurred: 
    2965  
    2966 Traceback (most recent call last): 
    2967 File
    2968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2969 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    2970 if not self.draw_new_frame(): 
    2971 File
    2972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2973 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    2974 changed = view.check_for_drawing_change() 
    2975 File
    2976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2977 packages/chimerax/core/graphics/view.py", line 252, in
    2978 check_for_drawing_change 
    2979 trig.activate_trigger('graphics update', self) 
    2980 File
    2981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2982 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    2983 trigger.activate(data) 
    2984 File
    2985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2986 packages/chimerax/core/triggerset.py", line 190, in activate 
    2987 ret = handler.invoke(data, self._remove_bad_handlers) 
    2988 File
    2989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2990 packages/chimerax/core/triggerset.py", line 132, in invoke 
    2991 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    2992 File
    2993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2994 packages/chimerax/core/session.py", line 943, in <lambda> 
    2995 logger.report_exception(preface=preface)) 
    2996 File
    2997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    2998 packages/chimerax/core/logger.py", line 421, in report_exception 
    2999 elif probably_chimera1_session(exc_info): 
    3000 File
    3001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3002 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3003 etype, evalue, etraceback = exc_info 
    3004 TypeError: cannot unpack non-iterable NoneType object 
    3005  
    3006 TypeError: cannot unpack non-iterable NoneType object 
    3007  
    3008 File
    3009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3010 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3011 etype, evalue, etraceback = exc_info 
    3012  
    3013 See log for complete Python traceback. 
    3014  
    3015 Traceback (most recent call last): 
    3016 File
    3017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3019 return self._func(self._name, data) 
    3020 File
    3021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3022 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3023 if v.display: 
    3024 File
    3025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3026 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3027 return self._any_displayed_positions and len(self._positions) > 0 
    3028 TypeError: object of type 'NoneType' has no len() 
    3029  
    3030 During handling of the above exception, another exception occurred: 
    3031  
    3032 Traceback (most recent call last): 
    3033 File
    3034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3035 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3036 if not self.draw_new_frame(): 
    3037 File
    3038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3039 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3040 changed = view.check_for_drawing_change() 
    3041 File
    3042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3043 packages/chimerax/core/graphics/view.py", line 252, in
    3044 check_for_drawing_change 
    3045 trig.activate_trigger('graphics update', self) 
    3046 File
    3047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3048 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3049 trigger.activate(data) 
    3050 File
    3051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3052 packages/chimerax/core/triggerset.py", line 190, in activate 
    3053 ret = handler.invoke(data, self._remove_bad_handlers) 
    3054 File
    3055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3056 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3057 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3058 File
    3059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3060 packages/chimerax/core/session.py", line 943, in <lambda> 
    3061 logger.report_exception(preface=preface)) 
    3062 File
    3063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3064 packages/chimerax/core/logger.py", line 421, in report_exception 
    3065 elif probably_chimera1_session(exc_info): 
    3066 File
    3067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3068 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3069 etype, evalue, etraceback = exc_info 
    3070 TypeError: cannot unpack non-iterable NoneType object 
    3071  
    3072 TypeError: cannot unpack non-iterable NoneType object 
    3073  
    3074 File
    3075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3076 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3077 etype, evalue, etraceback = exc_info 
    3078  
    3079 See log for complete Python traceback. 
    3080  
    3081 Traceback (most recent call last): 
    3082 File
    3083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3084 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3085 return self._func(self._name, data) 
    3086 File
    3087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3088 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3089 if v.display: 
    3090 File
    3091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3092 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3093 return self._any_displayed_positions and len(self._positions) > 0 
    3094 TypeError: object of type 'NoneType' has no len() 
    3095  
    3096 During handling of the above exception, another exception occurred: 
    3097  
    3098 Traceback (most recent call last): 
    3099 File
    3100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3101 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3102 if not self.draw_new_frame(): 
    3103 File
    3104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3105 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3106 changed = view.check_for_drawing_change() 
    3107 File
    3108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3109 packages/chimerax/core/graphics/view.py", line 252, in
    3110 check_for_drawing_change 
    3111 trig.activate_trigger('graphics update', self) 
    3112 File
    3113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3114 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3115 trigger.activate(data) 
    3116 File
    3117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3118 packages/chimerax/core/triggerset.py", line 190, in activate 
    3119 ret = handler.invoke(data, self._remove_bad_handlers) 
    3120 File
    3121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3122 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3123 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3124 File
    3125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3126 packages/chimerax/core/session.py", line 943, in <lambda> 
    3127 logger.report_exception(preface=preface)) 
    3128 File
    3129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3130 packages/chimerax/core/logger.py", line 421, in report_exception 
    3131 elif probably_chimera1_session(exc_info): 
    3132 File
    3133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3134 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3135 etype, evalue, etraceback = exc_info 
    3136 TypeError: cannot unpack non-iterable NoneType object 
    3137  
    3138 TypeError: cannot unpack non-iterable NoneType object 
    3139  
    3140 File
    3141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3142 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3143 etype, evalue, etraceback = exc_info 
    3144  
    3145 See log for complete Python traceback. 
    3146  
    3147 Traceback (most recent call last): 
    3148 File
    3149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3150 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3151 return self._func(self._name, data) 
    3152 File
    3153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3154 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3155 if v.display: 
    3156 File
    3157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3158 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3159 return self._any_displayed_positions and len(self._positions) > 0 
    3160 TypeError: object of type 'NoneType' has no len() 
    3161  
    3162 During handling of the above exception, another exception occurred: 
    3163  
    3164 Traceback (most recent call last): 
    3165 File
    3166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3167 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3168 if not self.draw_new_frame(): 
    3169 File
    3170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3171 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3172 changed = view.check_for_drawing_change() 
    3173 File
    3174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3175 packages/chimerax/core/graphics/view.py", line 252, in
    3176 check_for_drawing_change 
    3177 trig.activate_trigger('graphics update', self) 
    3178 File
    3179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3180 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3181 trigger.activate(data) 
    3182 File
    3183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3184 packages/chimerax/core/triggerset.py", line 190, in activate 
    3185 ret = handler.invoke(data, self._remove_bad_handlers) 
    3186 File
    3187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3188 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3189 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3190 File
    3191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3192 packages/chimerax/core/session.py", line 943, in <lambda> 
    3193 logger.report_exception(preface=preface)) 
    3194 File
    3195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3196 packages/chimerax/core/logger.py", line 421, in report_exception 
    3197 elif probably_chimera1_session(exc_info): 
    3198 File
    3199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3200 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3201 etype, evalue, etraceback = exc_info 
    3202 TypeError: cannot unpack non-iterable NoneType object 
    3203  
    3204 TypeError: cannot unpack non-iterable NoneType object 
    3205  
    3206 File
    3207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3208 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3209 etype, evalue, etraceback = exc_info 
    3210  
    3211 See log for complete Python traceback. 
    3212  
    3213 Traceback (most recent call last): 
    3214 File
    3215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3216 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3217 return self._func(self._name, data) 
    3218 File
    3219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3220 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3221 if v.display: 
    3222 File
    3223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3224 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3225 return self._any_displayed_positions and len(self._positions) > 0 
    3226 TypeError: object of type 'NoneType' has no len() 
    3227  
    3228 During handling of the above exception, another exception occurred: 
    3229  
    3230 Traceback (most recent call last): 
    3231 File
    3232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3233 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3234 if not self.draw_new_frame(): 
    3235 File
    3236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3237 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3238 changed = view.check_for_drawing_change() 
    3239 File
    3240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3241 packages/chimerax/core/graphics/view.py", line 252, in
    3242 check_for_drawing_change 
    3243 trig.activate_trigger('graphics update', self) 
    3244 File
    3245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3246 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3247 trigger.activate(data) 
    3248 File
    3249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3250 packages/chimerax/core/triggerset.py", line 190, in activate 
    3251 ret = handler.invoke(data, self._remove_bad_handlers) 
    3252 File
    3253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3254 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3255 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3256 File
    3257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3258 packages/chimerax/core/session.py", line 943, in <lambda> 
    3259 logger.report_exception(preface=preface)) 
    3260 File
    3261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3262 packages/chimerax/core/logger.py", line 421, in report_exception 
    3263 elif probably_chimera1_session(exc_info): 
    3264 File
    3265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3266 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3267 etype, evalue, etraceback = exc_info 
    3268 TypeError: cannot unpack non-iterable NoneType object 
    3269  
    3270 TypeError: cannot unpack non-iterable NoneType object 
    3271  
    3272 File
    3273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3274 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3275 etype, evalue, etraceback = exc_info 
    3276  
    3277 See log for complete Python traceback. 
    3278  
    3279 Traceback (most recent call last): 
    3280 File
    3281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3282 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3283 return self._func(self._name, data) 
    3284 File
    3285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3286 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3287 if v.display: 
    3288 File
    3289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3290 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3291 return self._any_displayed_positions and len(self._positions) > 0 
    3292 TypeError: object of type 'NoneType' has no len() 
    3293  
    3294 During handling of the above exception, another exception occurred: 
    3295  
    3296 Traceback (most recent call last): 
    3297 File
    3298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3299 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3300 if not self.draw_new_frame(): 
    3301 File
    3302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3303 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3304 changed = view.check_for_drawing_change() 
    3305 File
    3306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3307 packages/chimerax/core/graphics/view.py", line 252, in
    3308 check_for_drawing_change 
    3309 trig.activate_trigger('graphics update', self) 
    3310 File
    3311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3312 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3313 trigger.activate(data) 
    3314 File
    3315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3316 packages/chimerax/core/triggerset.py", line 190, in activate 
    3317 ret = handler.invoke(data, self._remove_bad_handlers) 
    3318 File
    3319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3320 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3321 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3322 File
    3323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3324 packages/chimerax/core/session.py", line 943, in <lambda> 
    3325 logger.report_exception(preface=preface)) 
    3326 File
    3327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3328 packages/chimerax/core/logger.py", line 421, in report_exception 
    3329 elif probably_chimera1_session(exc_info): 
    3330 File
    3331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3332 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3333 etype, evalue, etraceback = exc_info 
    3334 TypeError: cannot unpack non-iterable NoneType object 
    3335  
    3336 TypeError: cannot unpack non-iterable NoneType object 
    3337  
    3338 File
    3339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3340 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3341 etype, evalue, etraceback = exc_info 
    3342  
    3343 See log for complete Python traceback. 
    3344  
    3345 Traceback (most recent call last): 
    3346 File
    3347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3348 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3349 return self._func(self._name, data) 
    3350 File
    3351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3352 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3353 if v.display: 
    3354 File
    3355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3356 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3357 return self._any_displayed_positions and len(self._positions) > 0 
    3358 TypeError: object of type 'NoneType' has no len() 
    3359  
    3360 During handling of the above exception, another exception occurred: 
    3361  
    3362 Traceback (most recent call last): 
    3363 File
    3364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3365 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3366 if not self.draw_new_frame(): 
    3367 File
    3368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3369 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3370 changed = view.check_for_drawing_change() 
    3371 File
    3372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3373 packages/chimerax/core/graphics/view.py", line 252, in
    3374 check_for_drawing_change 
    3375 trig.activate_trigger('graphics update', self) 
    3376 File
    3377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3378 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3379 trigger.activate(data) 
    3380 File
    3381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3382 packages/chimerax/core/triggerset.py", line 190, in activate 
    3383 ret = handler.invoke(data, self._remove_bad_handlers) 
    3384 File
    3385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3386 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3387 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3388 File
    3389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3390 packages/chimerax/core/session.py", line 943, in <lambda> 
    3391 logger.report_exception(preface=preface)) 
    3392 File
    3393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3394 packages/chimerax/core/logger.py", line 421, in report_exception 
    3395 elif probably_chimera1_session(exc_info): 
    3396 File
    3397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3398 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3399 etype, evalue, etraceback = exc_info 
    3400 TypeError: cannot unpack non-iterable NoneType object 
    3401  
    3402 TypeError: cannot unpack non-iterable NoneType object 
    3403  
    3404 File
    3405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3406 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3407 etype, evalue, etraceback = exc_info 
    3408  
    3409 See log for complete Python traceback. 
    3410  
    3411 Traceback (most recent call last): 
    3412 File
    3413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3414 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3415 return self._func(self._name, data) 
    3416 File
    3417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3418 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3419 if v.display: 
    3420 File
    3421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3422 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3423 return self._any_displayed_positions and len(self._positions) > 0 
    3424 TypeError: object of type 'NoneType' has no len() 
    3425  
    3426 During handling of the above exception, another exception occurred: 
    3427  
    3428 Traceback (most recent call last): 
    3429 File
    3430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3431 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3432 if not self.draw_new_frame(): 
    3433 File
    3434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3435 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3436 changed = view.check_for_drawing_change() 
    3437 File
    3438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3439 packages/chimerax/core/graphics/view.py", line 252, in
    3440 check_for_drawing_change 
    3441 trig.activate_trigger('graphics update', self) 
    3442 File
    3443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3444 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3445 trigger.activate(data) 
    3446 File
    3447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3448 packages/chimerax/core/triggerset.py", line 190, in activate 
    3449 ret = handler.invoke(data, self._remove_bad_handlers) 
    3450 File
    3451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3452 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3453 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3454 File
    3455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3456 packages/chimerax/core/session.py", line 943, in <lambda> 
    3457 logger.report_exception(preface=preface)) 
    3458 File
    3459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3460 packages/chimerax/core/logger.py", line 421, in report_exception 
    3461 elif probably_chimera1_session(exc_info): 
    3462 File
    3463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3464 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3465 etype, evalue, etraceback = exc_info 
    3466 TypeError: cannot unpack non-iterable NoneType object 
    3467  
    3468 TypeError: cannot unpack non-iterable NoneType object 
    3469  
    3470 File
    3471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3472 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3473 etype, evalue, etraceback = exc_info 
    3474  
    3475 See log for complete Python traceback. 
    3476  
    3477 Traceback (most recent call last): 
    3478 File
    3479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3480 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3481 return self._func(self._name, data) 
    3482 File
    3483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3484 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3485 if v.display: 
    3486 File
    3487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3488 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3489 return self._any_displayed_positions and len(self._positions) > 0 
    3490 TypeError: object of type 'NoneType' has no len() 
    3491  
    3492 During handling of the above exception, another exception occurred: 
    3493  
    3494 Traceback (most recent call last): 
    3495 File
    3496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3497 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3498 if not self.draw_new_frame(): 
    3499 File
    3500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3501 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3502 changed = view.check_for_drawing_change() 
    3503 File
    3504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3505 packages/chimerax/core/graphics/view.py", line 252, in
    3506 check_for_drawing_change 
    3507 trig.activate_trigger('graphics update', self) 
    3508 File
    3509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3510 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3511 trigger.activate(data) 
    3512 File
    3513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3514 packages/chimerax/core/triggerset.py", line 190, in activate 
    3515 ret = handler.invoke(data, self._remove_bad_handlers) 
    3516 File
    3517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3518 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3519 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3520 File
    3521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3522 packages/chimerax/core/session.py", line 943, in <lambda> 
    3523 logger.report_exception(preface=preface)) 
    3524 File
    3525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3526 packages/chimerax/core/logger.py", line 421, in report_exception 
    3527 elif probably_chimera1_session(exc_info): 
    3528 File
    3529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3530 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3531 etype, evalue, etraceback = exc_info 
    3532 TypeError: cannot unpack non-iterable NoneType object 
    3533  
    3534 TypeError: cannot unpack non-iterable NoneType object 
    3535  
    3536 File
    3537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3538 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3539 etype, evalue, etraceback = exc_info 
    3540  
    3541 See log for complete Python traceback. 
    3542  
    3543 Traceback (most recent call last): 
    3544 File
    3545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3546 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3547 return self._func(self._name, data) 
    3548 File
    3549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3550 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3551 if v.display: 
    3552 File
    3553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3554 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3555 return self._any_displayed_positions and len(self._positions) > 0 
    3556 TypeError: object of type 'NoneType' has no len() 
    3557  
    3558 During handling of the above exception, another exception occurred: 
    3559  
    3560 Traceback (most recent call last): 
    3561 File
    3562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3563 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3564 if not self.draw_new_frame(): 
    3565 File
    3566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3567 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3568 changed = view.check_for_drawing_change() 
    3569 File
    3570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3571 packages/chimerax/core/graphics/view.py", line 252, in
    3572 check_for_drawing_change 
    3573 trig.activate_trigger('graphics update', self) 
    3574 File
    3575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3576 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3577 trigger.activate(data) 
    3578 File
    3579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3580 packages/chimerax/core/triggerset.py", line 190, in activate 
    3581 ret = handler.invoke(data, self._remove_bad_handlers) 
    3582 File
    3583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3584 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3585 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3586 File
    3587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3588 packages/chimerax/core/session.py", line 943, in <lambda> 
    3589 logger.report_exception(preface=preface)) 
    3590 File
    3591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3592 packages/chimerax/core/logger.py", line 421, in report_exception 
    3593 elif probably_chimera1_session(exc_info): 
    3594 File
    3595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3596 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3597 etype, evalue, etraceback = exc_info 
    3598 TypeError: cannot unpack non-iterable NoneType object 
    3599  
    3600 TypeError: cannot unpack non-iterable NoneType object 
    3601  
    3602 File
    3603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3604 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3605 etype, evalue, etraceback = exc_info 
    3606  
    3607 See log for complete Python traceback. 
    3608  
    3609 Traceback (most recent call last): 
    3610 File
    3611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3612 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3613 return self._func(self._name, data) 
    3614 File
    3615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3616 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3617 if v.display: 
    3618 File
    3619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3620 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3621 return self._any_displayed_positions and len(self._positions) > 0 
    3622 TypeError: object of type 'NoneType' has no len() 
    3623  
    3624 During handling of the above exception, another exception occurred: 
    3625  
    3626 Traceback (most recent call last): 
    3627 File
    3628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3629 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3630 if not self.draw_new_frame(): 
    3631 File
    3632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3633 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3634 changed = view.check_for_drawing_change() 
    3635 File
    3636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3637 packages/chimerax/core/graphics/view.py", line 252, in
    3638 check_for_drawing_change 
    3639 trig.activate_trigger('graphics update', self) 
    3640 File
    3641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3642 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3643 trigger.activate(data) 
    3644 File
    3645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3646 packages/chimerax/core/triggerset.py", line 190, in activate 
    3647 ret = handler.invoke(data, self._remove_bad_handlers) 
    3648 File
    3649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3650 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3651 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3652 File
    3653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3654 packages/chimerax/core/session.py", line 943, in <lambda> 
    3655 logger.report_exception(preface=preface)) 
    3656 File
    3657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3658 packages/chimerax/core/logger.py", line 421, in report_exception 
    3659 elif probably_chimera1_session(exc_info): 
    3660 File
    3661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3662 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3663 etype, evalue, etraceback = exc_info 
    3664 TypeError: cannot unpack non-iterable NoneType object 
    3665  
    3666 TypeError: cannot unpack non-iterable NoneType object 
    3667  
    3668 File
    3669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3670 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3671 etype, evalue, etraceback = exc_info 
    3672  
    3673 See log for complete Python traceback. 
    3674  
    3675 Traceback (most recent call last): 
    3676 File
    3677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3678 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3679 return self._func(self._name, data) 
    3680 File
    3681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3682 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3683 if v.display: 
    3684 File
    3685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3686 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3687 return self._any_displayed_positions and len(self._positions) > 0 
    3688 TypeError: object of type 'NoneType' has no len() 
    3689  
    3690 During handling of the above exception, another exception occurred: 
    3691  
    3692 Traceback (most recent call last): 
    3693 File
    3694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3695 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3696 if not self.draw_new_frame(): 
    3697 File
    3698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3699 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3700 changed = view.check_for_drawing_change() 
    3701 File
    3702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3703 packages/chimerax/core/graphics/view.py", line 252, in
    3704 check_for_drawing_change 
    3705 trig.activate_trigger('graphics update', self) 
    3706 File
    3707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3708 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3709 trigger.activate(data) 
    3710 File
    3711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3712 packages/chimerax/core/triggerset.py", line 190, in activate 
    3713 ret = handler.invoke(data, self._remove_bad_handlers) 
    3714 File
    3715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3716 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3717 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3718 File
    3719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3720 packages/chimerax/core/session.py", line 943, in <lambda> 
    3721 logger.report_exception(preface=preface)) 
    3722 File
    3723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3724 packages/chimerax/core/logger.py", line 421, in report_exception 
    3725 elif probably_chimera1_session(exc_info): 
    3726 File
    3727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3728 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3729 etype, evalue, etraceback = exc_info 
    3730 TypeError: cannot unpack non-iterable NoneType object 
    3731  
    3732 TypeError: cannot unpack non-iterable NoneType object 
    3733  
    3734 File
    3735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3736 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3737 etype, evalue, etraceback = exc_info 
    3738  
    3739 See log for complete Python traceback. 
    3740  
    3741 Traceback (most recent call last): 
    3742 File
    3743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3744 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3745 return self._func(self._name, data) 
    3746 File
    3747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3748 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3749 if v.display: 
    3750 File
    3751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3752 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3753 return self._any_displayed_positions and len(self._positions) > 0 
    3754 TypeError: object of type 'NoneType' has no len() 
    3755  
    3756 During handling of the above exception, another exception occurred: 
    3757  
    3758 Traceback (most recent call last): 
    3759 File
    3760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3761 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3762 if not self.draw_new_frame(): 
    3763 File
    3764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3765 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3766 changed = view.check_for_drawing_change() 
    3767 File
    3768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3769 packages/chimerax/core/graphics/view.py", line 252, in
    3770 check_for_drawing_change 
    3771 trig.activate_trigger('graphics update', self) 
    3772 File
    3773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3774 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3775 trigger.activate(data) 
    3776 File
    3777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3778 packages/chimerax/core/triggerset.py", line 190, in activate 
    3779 ret = handler.invoke(data, self._remove_bad_handlers) 
    3780 File
    3781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3782 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3783 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3784 File
    3785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3786 packages/chimerax/core/session.py", line 943, in <lambda> 
    3787 logger.report_exception(preface=preface)) 
    3788 File
    3789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3790 packages/chimerax/core/logger.py", line 421, in report_exception 
    3791 elif probably_chimera1_session(exc_info): 
    3792 File
    3793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3794 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3795 etype, evalue, etraceback = exc_info 
    3796 TypeError: cannot unpack non-iterable NoneType object 
    3797  
    3798 TypeError: cannot unpack non-iterable NoneType object 
    3799  
    3800 File
    3801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3802 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3803 etype, evalue, etraceback = exc_info 
    3804  
    3805 See log for complete Python traceback. 
    3806  
    3807 Traceback (most recent call last): 
    3808 File
    3809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3810 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3811 return self._func(self._name, data) 
    3812 File
    3813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3814 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3815 if v.display: 
    3816 File
    3817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3818 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3819 return self._any_displayed_positions and len(self._positions) > 0 
    3820 TypeError: object of type 'NoneType' has no len() 
    3821  
    3822 During handling of the above exception, another exception occurred: 
    3823  
    3824 Traceback (most recent call last): 
    3825 File
    3826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3827 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3828 if not self.draw_new_frame(): 
    3829 File
    3830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3831 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3832 changed = view.check_for_drawing_change() 
    3833 File
    3834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3835 packages/chimerax/core/graphics/view.py", line 252, in
    3836 check_for_drawing_change 
    3837 trig.activate_trigger('graphics update', self) 
    3838 File
    3839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3840 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3841 trigger.activate(data) 
    3842 File
    3843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3844 packages/chimerax/core/triggerset.py", line 190, in activate 
    3845 ret = handler.invoke(data, self._remove_bad_handlers) 
    3846 File
    3847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3848 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3849 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3850 File
    3851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3852 packages/chimerax/core/session.py", line 943, in <lambda> 
    3853 logger.report_exception(preface=preface)) 
    3854 File
    3855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3856 packages/chimerax/core/logger.py", line 421, in report_exception 
    3857 elif probably_chimera1_session(exc_info): 
    3858 File
    3859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3860 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3861 etype, evalue, etraceback = exc_info 
    3862 TypeError: cannot unpack non-iterable NoneType object 
    3863  
    3864 TypeError: cannot unpack non-iterable NoneType object 
    3865  
    3866 File
    3867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3868 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3869 etype, evalue, etraceback = exc_info 
    3870  
    3871 See log for complete Python traceback. 
    3872  
    3873 Traceback (most recent call last): 
    3874 File
    3875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3876 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3877 return self._func(self._name, data) 
    3878 File
    3879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3880 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3881 if v.display: 
    3882 File
    3883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3884 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3885 return self._any_displayed_positions and len(self._positions) > 0 
    3886 TypeError: object of type 'NoneType' has no len() 
    3887  
    3888 During handling of the above exception, another exception occurred: 
    3889  
    3890 Traceback (most recent call last): 
    3891 File
    3892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3893 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3894 if not self.draw_new_frame(): 
    3895 File
    3896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3897 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3898 changed = view.check_for_drawing_change() 
    3899 File
    3900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3901 packages/chimerax/core/graphics/view.py", line 252, in
    3902 check_for_drawing_change 
    3903 trig.activate_trigger('graphics update', self) 
    3904 File
    3905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3906 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3907 trigger.activate(data) 
    3908 File
    3909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3910 packages/chimerax/core/triggerset.py", line 190, in activate 
    3911 ret = handler.invoke(data, self._remove_bad_handlers) 
    3912 File
    3913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3914 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3915 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3916 File
    3917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3918 packages/chimerax/core/session.py", line 943, in <lambda> 
    3919 logger.report_exception(preface=preface)) 
    3920 File
    3921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3922 packages/chimerax/core/logger.py", line 421, in report_exception 
    3923 elif probably_chimera1_session(exc_info): 
    3924 File
    3925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3926 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3927 etype, evalue, etraceback = exc_info 
    3928 TypeError: cannot unpack non-iterable NoneType object 
    3929  
    3930 TypeError: cannot unpack non-iterable NoneType object 
    3931  
    3932 File
    3933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3934 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3935 etype, evalue, etraceback = exc_info 
    3936  
    3937 See log for complete Python traceback. 
    3938  
    3939 Traceback (most recent call last): 
    3940 File
    3941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3942 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3943 return self._func(self._name, data) 
    3944 File
    3945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3946 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    3947 if v.display: 
    3948 File
    3949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3950 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    3951 return self._any_displayed_positions and len(self._positions) > 0 
    3952 TypeError: object of type 'NoneType' has no len() 
    3953  
    3954 During handling of the above exception, another exception occurred: 
    3955  
    3956 Traceback (most recent call last): 
    3957 File
    3958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3959 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    3960 if not self.draw_new_frame(): 
    3961 File
    3962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3963 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    3964 changed = view.check_for_drawing_change() 
    3965 File
    3966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3967 packages/chimerax/core/graphics/view.py", line 252, in
    3968 check_for_drawing_change 
    3969 trig.activate_trigger('graphics update', self) 
    3970 File
    3971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3972 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    3973 trigger.activate(data) 
    3974 File
    3975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3976 packages/chimerax/core/triggerset.py", line 190, in activate 
    3977 ret = handler.invoke(data, self._remove_bad_handlers) 
    3978 File
    3979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3980 packages/chimerax/core/triggerset.py", line 132, in invoke 
    3981 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    3982 File
    3983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3984 packages/chimerax/core/session.py", line 943, in <lambda> 
    3985 logger.report_exception(preface=preface)) 
    3986 File
    3987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3988 packages/chimerax/core/logger.py", line 421, in report_exception 
    3989 elif probably_chimera1_session(exc_info): 
    3990 File
    3991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    3992 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    3993 etype, evalue, etraceback = exc_info 
    3994 TypeError: cannot unpack non-iterable NoneType object 
    3995  
    3996 TypeError: cannot unpack non-iterable NoneType object 
    3997  
    3998 File
    3999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4000 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4001 etype, evalue, etraceback = exc_info 
    4002  
    4003 See log for complete Python traceback. 
    4004  
    4005 Traceback (most recent call last): 
    4006 File
    4007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4008 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4009 return self._func(self._name, data) 
    4010 File
    4011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4012 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4013 if v.display: 
    4014 File
    4015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4016 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4017 return self._any_displayed_positions and len(self._positions) > 0 
    4018 TypeError: object of type 'NoneType' has no len() 
    4019  
    4020 During handling of the above exception, another exception occurred: 
    4021  
    4022 Traceback (most recent call last): 
    4023 File
    4024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4025 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4026 if not self.draw_new_frame(): 
    4027 File
    4028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4029 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4030 changed = view.check_for_drawing_change() 
    4031 File
    4032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4033 packages/chimerax/core/graphics/view.py", line 252, in
    4034 check_for_drawing_change 
    4035 trig.activate_trigger('graphics update', self) 
    4036 File
    4037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4038 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4039 trigger.activate(data) 
    4040 File
    4041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4042 packages/chimerax/core/triggerset.py", line 190, in activate 
    4043 ret = handler.invoke(data, self._remove_bad_handlers) 
    4044 File
    4045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4046 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4047 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4048 File
    4049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4050 packages/chimerax/core/session.py", line 943, in <lambda> 
    4051 logger.report_exception(preface=preface)) 
    4052 File
    4053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4054 packages/chimerax/core/logger.py", line 421, in report_exception 
    4055 elif probably_chimera1_session(exc_info): 
    4056 File
    4057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4058 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4059 etype, evalue, etraceback = exc_info 
    4060 TypeError: cannot unpack non-iterable NoneType object 
    4061  
    4062 TypeError: cannot unpack non-iterable NoneType object 
    4063  
    4064 File
    4065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4066 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4067 etype, evalue, etraceback = exc_info 
    4068  
    4069 See log for complete Python traceback. 
    4070  
    4071 Traceback (most recent call last): 
    4072 File
    4073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4074 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4075 return self._func(self._name, data) 
    4076 File
    4077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4078 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4079 if v.display: 
    4080 File
    4081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4082 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4083 return self._any_displayed_positions and len(self._positions) > 0 
    4084 TypeError: object of type 'NoneType' has no len() 
    4085  
    4086 During handling of the above exception, another exception occurred: 
    4087  
    4088 Traceback (most recent call last): 
    4089 File
    4090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4091 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4092 if not self.draw_new_frame(): 
    4093 File
    4094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4095 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4096 changed = view.check_for_drawing_change() 
    4097 File
    4098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4099 packages/chimerax/core/graphics/view.py", line 252, in
    4100 check_for_drawing_change 
    4101 trig.activate_trigger('graphics update', self) 
    4102 File
    4103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4104 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4105 trigger.activate(data) 
    4106 File
    4107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4108 packages/chimerax/core/triggerset.py", line 190, in activate 
    4109 ret = handler.invoke(data, self._remove_bad_handlers) 
    4110 File
    4111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4112 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4113 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4114 File
    4115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4116 packages/chimerax/core/session.py", line 943, in <lambda> 
    4117 logger.report_exception(preface=preface)) 
    4118 File
    4119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4120 packages/chimerax/core/logger.py", line 421, in report_exception 
    4121 elif probably_chimera1_session(exc_info): 
    4122 File
    4123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4124 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4125 etype, evalue, etraceback = exc_info 
    4126 TypeError: cannot unpack non-iterable NoneType object 
    4127  
    4128 TypeError: cannot unpack non-iterable NoneType object 
    4129  
    4130 File
    4131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4132 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4133 etype, evalue, etraceback = exc_info 
    4134  
    4135 See log for complete Python traceback. 
    4136  
    4137 Traceback (most recent call last): 
    4138 File
    4139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4140 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4141 return self._func(self._name, data) 
    4142 File
    4143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4144 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4145 if v.display: 
    4146 File
    4147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4148 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4149 return self._any_displayed_positions and len(self._positions) > 0 
    4150 TypeError: object of type 'NoneType' has no len() 
    4151  
    4152 During handling of the above exception, another exception occurred: 
    4153  
    4154 Traceback (most recent call last): 
    4155 File
    4156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4157 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4158 if not self.draw_new_frame(): 
    4159 File
    4160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4161 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4162 changed = view.check_for_drawing_change() 
    4163 File
    4164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4165 packages/chimerax/core/graphics/view.py", line 252, in
    4166 check_for_drawing_change 
    4167 trig.activate_trigger('graphics update', self) 
    4168 File
    4169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4170 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4171 trigger.activate(data) 
    4172 File
    4173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4174 packages/chimerax/core/triggerset.py", line 190, in activate 
    4175 ret = handler.invoke(data, self._remove_bad_handlers) 
    4176 File
    4177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4178 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4179 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4180 File
    4181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4182 packages/chimerax/core/session.py", line 943, in <lambda> 
    4183 logger.report_exception(preface=preface)) 
    4184 File
    4185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4186 packages/chimerax/core/logger.py", line 421, in report_exception 
    4187 elif probably_chimera1_session(exc_info): 
    4188 File
    4189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4190 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4191 etype, evalue, etraceback = exc_info 
    4192 TypeError: cannot unpack non-iterable NoneType object 
    4193  
    4194 TypeError: cannot unpack non-iterable NoneType object 
    4195  
    4196 File
    4197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4198 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4199 etype, evalue, etraceback = exc_info 
    4200  
    4201 See log for complete Python traceback. 
    4202  
    4203 Traceback (most recent call last): 
    4204 File
    4205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4206 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4207 return self._func(self._name, data) 
    4208 File
    4209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4210 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4211 if v.display: 
    4212 File
    4213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4214 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4215 return self._any_displayed_positions and len(self._positions) > 0 
    4216 TypeError: object of type 'NoneType' has no len() 
    4217  
    4218 During handling of the above exception, another exception occurred: 
    4219  
    4220 Traceback (most recent call last): 
    4221 File
    4222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4223 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4224 if not self.draw_new_frame(): 
    4225 File
    4226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4227 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4228 changed = view.check_for_drawing_change() 
    4229 File
    4230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4231 packages/chimerax/core/graphics/view.py", line 252, in
    4232 check_for_drawing_change 
    4233 trig.activate_trigger('graphics update', self) 
    4234 File
    4235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4236 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4237 trigger.activate(data) 
    4238 File
    4239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4240 packages/chimerax/core/triggerset.py", line 190, in activate 
    4241 ret = handler.invoke(data, self._remove_bad_handlers) 
    4242 File
    4243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4244 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4245 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4246 File
    4247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4248 packages/chimerax/core/session.py", line 943, in <lambda> 
    4249 logger.report_exception(preface=preface)) 
    4250 File
    4251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4252 packages/chimerax/core/logger.py", line 421, in report_exception 
    4253 elif probably_chimera1_session(exc_info): 
    4254 File
    4255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4256 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4257 etype, evalue, etraceback = exc_info 
    4258 TypeError: cannot unpack non-iterable NoneType object 
    4259  
    4260 TypeError: cannot unpack non-iterable NoneType object 
    4261  
    4262 File
    4263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4264 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4265 etype, evalue, etraceback = exc_info 
    4266  
    4267 See log for complete Python traceback. 
    4268  
    4269 Traceback (most recent call last): 
    4270 File
    4271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4272 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4273 return self._func(self._name, data) 
    4274 File
    4275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4276 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4277 if v.display: 
    4278 File
    4279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4280 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4281 return self._any_displayed_positions and len(self._positions) > 0 
    4282 TypeError: object of type 'NoneType' has no len() 
    4283  
    4284 During handling of the above exception, another exception occurred: 
    4285  
    4286 Traceback (most recent call last): 
    4287 File
    4288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4289 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4290 if not self.draw_new_frame(): 
    4291 File
    4292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4293 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4294 changed = view.check_for_drawing_change() 
    4295 File
    4296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4297 packages/chimerax/core/graphics/view.py", line 252, in
    4298 check_for_drawing_change 
    4299 trig.activate_trigger('graphics update', self) 
    4300 File
    4301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4302 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4303 trigger.activate(data) 
    4304 File
    4305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4306 packages/chimerax/core/triggerset.py", line 190, in activate 
    4307 ret = handler.invoke(data, self._remove_bad_handlers) 
    4308 File
    4309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4310 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4311 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4312 File
    4313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4314 packages/chimerax/core/session.py", line 943, in <lambda> 
    4315 logger.report_exception(preface=preface)) 
    4316 File
    4317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4318 packages/chimerax/core/logger.py", line 421, in report_exception 
    4319 elif probably_chimera1_session(exc_info): 
    4320 File
    4321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4322 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4323 etype, evalue, etraceback = exc_info 
    4324 TypeError: cannot unpack non-iterable NoneType object 
    4325  
    4326 TypeError: cannot unpack non-iterable NoneType object 
    4327  
    4328 File
    4329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4330 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4331 etype, evalue, etraceback = exc_info 
    4332  
    4333 See log for complete Python traceback. 
    4334  
    4335 Traceback (most recent call last): 
    4336 File
    4337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4338 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4339 return self._func(self._name, data) 
    4340 File
    4341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4342 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4343 if v.display: 
    4344 File
    4345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4346 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4347 return self._any_displayed_positions and len(self._positions) > 0 
    4348 TypeError: object of type 'NoneType' has no len() 
    4349  
    4350 During handling of the above exception, another exception occurred: 
    4351  
    4352 Traceback (most recent call last): 
    4353 File
    4354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4355 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4356 if not self.draw_new_frame(): 
    4357 File
    4358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4359 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4360 changed = view.check_for_drawing_change() 
    4361 File
    4362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4363 packages/chimerax/core/graphics/view.py", line 252, in
    4364 check_for_drawing_change 
    4365 trig.activate_trigger('graphics update', self) 
    4366 File
    4367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4368 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4369 trigger.activate(data) 
    4370 File
    4371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4372 packages/chimerax/core/triggerset.py", line 190, in activate 
    4373 ret = handler.invoke(data, self._remove_bad_handlers) 
    4374 File
    4375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4376 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4377 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4378 File
    4379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4380 packages/chimerax/core/session.py", line 943, in <lambda> 
    4381 logger.report_exception(preface=preface)) 
    4382 File
    4383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4384 packages/chimerax/core/logger.py", line 421, in report_exception 
    4385 elif probably_chimera1_session(exc_info): 
    4386 File
    4387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4388 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4389 etype, evalue, etraceback = exc_info 
    4390 TypeError: cannot unpack non-iterable NoneType object 
    4391  
    4392 TypeError: cannot unpack non-iterable NoneType object 
    4393  
    4394 File
    4395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4396 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4397 etype, evalue, etraceback = exc_info 
    4398  
    4399 See log for complete Python traceback. 
    4400  
    4401 Traceback (most recent call last): 
    4402 File
    4403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4404 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4405 return self._func(self._name, data) 
    4406 File
    4407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4408 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4409 if v.display: 
    4410 File
    4411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4412 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4413 return self._any_displayed_positions and len(self._positions) > 0 
    4414 TypeError: object of type 'NoneType' has no len() 
    4415  
    4416 During handling of the above exception, another exception occurred: 
    4417  
    4418 Traceback (most recent call last): 
    4419 File
    4420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4421 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4422 if not self.draw_new_frame(): 
    4423 File
    4424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4425 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4426 changed = view.check_for_drawing_change() 
    4427 File
    4428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4429 packages/chimerax/core/graphics/view.py", line 252, in
    4430 check_for_drawing_change 
    4431 trig.activate_trigger('graphics update', self) 
    4432 File
    4433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4434 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4435 trigger.activate(data) 
    4436 File
    4437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4438 packages/chimerax/core/triggerset.py", line 190, in activate 
    4439 ret = handler.invoke(data, self._remove_bad_handlers) 
    4440 File
    4441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4442 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4443 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4444 File
    4445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4446 packages/chimerax/core/session.py", line 943, in <lambda> 
    4447 logger.report_exception(preface=preface)) 
    4448 File
    4449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4450 packages/chimerax/core/logger.py", line 421, in report_exception 
    4451 elif probably_chimera1_session(exc_info): 
    4452 File
    4453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4454 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4455 etype, evalue, etraceback = exc_info 
    4456 TypeError: cannot unpack non-iterable NoneType object 
    4457  
    4458 TypeError: cannot unpack non-iterable NoneType object 
    4459  
    4460 File
    4461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4462 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4463 etype, evalue, etraceback = exc_info 
    4464  
    4465 See log for complete Python traceback. 
    4466  
    4467 Traceback (most recent call last): 
    4468 File
    4469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4470 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4471 return self._func(self._name, data) 
    4472 File
    4473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4474 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4475 if v.display: 
    4476 File
    4477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4478 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4479 return self._any_displayed_positions and len(self._positions) > 0 
    4480 TypeError: object of type 'NoneType' has no len() 
    4481  
    4482 During handling of the above exception, another exception occurred: 
    4483  
    4484 Traceback (most recent call last): 
    4485 File
    4486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4487 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4488 if not self.draw_new_frame(): 
    4489 File
    4490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4491 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4492 changed = view.check_for_drawing_change() 
    4493 File
    4494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4495 packages/chimerax/core/graphics/view.py", line 252, in
    4496 check_for_drawing_change 
    4497 trig.activate_trigger('graphics update', self) 
    4498 File
    4499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4500 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4501 trigger.activate(data) 
    4502 File
    4503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4504 packages/chimerax/core/triggerset.py", line 190, in activate 
    4505 ret = handler.invoke(data, self._remove_bad_handlers) 
    4506 File
    4507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4508 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4509 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4510 File
    4511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4512 packages/chimerax/core/session.py", line 943, in <lambda> 
    4513 logger.report_exception(preface=preface)) 
    4514 File
    4515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4516 packages/chimerax/core/logger.py", line 421, in report_exception 
    4517 elif probably_chimera1_session(exc_info): 
    4518 File
    4519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4520 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4521 etype, evalue, etraceback = exc_info 
    4522 TypeError: cannot unpack non-iterable NoneType object 
    4523  
    4524 TypeError: cannot unpack non-iterable NoneType object 
    4525  
    4526 File
    4527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4528 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4529 etype, evalue, etraceback = exc_info 
    4530  
    4531 See log for complete Python traceback. 
    4532  
    4533 Traceback (most recent call last): 
    4534 File
    4535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4536 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4537 return self._func(self._name, data) 
    4538 File
    4539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4540 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4541 if v.display: 
    4542 File
    4543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4544 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4545 return self._any_displayed_positions and len(self._positions) > 0 
    4546 TypeError: object of type 'NoneType' has no len() 
    4547  
    4548 During handling of the above exception, another exception occurred: 
    4549  
    4550 Traceback (most recent call last): 
    4551 File
    4552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4553 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4554 if not self.draw_new_frame(): 
    4555 File
    4556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4557 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4558 changed = view.check_for_drawing_change() 
    4559 File
    4560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4561 packages/chimerax/core/graphics/view.py", line 252, in
    4562 check_for_drawing_change 
    4563 trig.activate_trigger('graphics update', self) 
    4564 File
    4565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4566 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4567 trigger.activate(data) 
    4568 File
    4569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4570 packages/chimerax/core/triggerset.py", line 190, in activate 
    4571 ret = handler.invoke(data, self._remove_bad_handlers) 
    4572 File
    4573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4574 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4575 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4576 File
    4577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4578 packages/chimerax/core/session.py", line 943, in <lambda> 
    4579 logger.report_exception(preface=preface)) 
    4580 File
    4581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4582 packages/chimerax/core/logger.py", line 421, in report_exception 
    4583 elif probably_chimera1_session(exc_info): 
    4584 File
    4585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4586 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4587 etype, evalue, etraceback = exc_info 
    4588 TypeError: cannot unpack non-iterable NoneType object 
    4589  
    4590 TypeError: cannot unpack non-iterable NoneType object 
    4591  
    4592 File
    4593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4594 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4595 etype, evalue, etraceback = exc_info 
    4596  
    4597 See log for complete Python traceback. 
    4598  
    4599 Traceback (most recent call last): 
    4600 File
    4601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4602 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4603 return self._func(self._name, data) 
    4604 File
    4605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4606 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4607 if v.display: 
    4608 File
    4609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4610 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4611 return self._any_displayed_positions and len(self._positions) > 0 
    4612 TypeError: object of type 'NoneType' has no len() 
    4613  
    4614 During handling of the above exception, another exception occurred: 
    4615  
    4616 Traceback (most recent call last): 
    4617 File
    4618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4619 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4620 if not self.draw_new_frame(): 
    4621 File
    4622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4623 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4624 changed = view.check_for_drawing_change() 
    4625 File
    4626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4627 packages/chimerax/core/graphics/view.py", line 252, in
    4628 check_for_drawing_change 
    4629 trig.activate_trigger('graphics update', self) 
    4630 File
    4631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4632 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4633 trigger.activate(data) 
    4634 File
    4635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4636 packages/chimerax/core/triggerset.py", line 190, in activate 
    4637 ret = handler.invoke(data, self._remove_bad_handlers) 
    4638 File
    4639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4640 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4641 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4642 File
    4643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4644 packages/chimerax/core/session.py", line 943, in <lambda> 
    4645 logger.report_exception(preface=preface)) 
    4646 File
    4647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4648 packages/chimerax/core/logger.py", line 421, in report_exception 
    4649 elif probably_chimera1_session(exc_info): 
    4650 File
    4651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4652 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4653 etype, evalue, etraceback = exc_info 
    4654 TypeError: cannot unpack non-iterable NoneType object 
    4655  
    4656 TypeError: cannot unpack non-iterable NoneType object 
    4657  
    4658 File
    4659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4660 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4661 etype, evalue, etraceback = exc_info 
    4662  
    4663 See log for complete Python traceback. 
    4664  
    4665 Traceback (most recent call last): 
    4666 File
    4667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4669 return self._func(self._name, data) 
    4670 File
    4671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4672 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4673 if v.display: 
    4674 File
    4675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4676 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4677 return self._any_displayed_positions and len(self._positions) > 0 
    4678 TypeError: object of type 'NoneType' has no len() 
    4679  
    4680 During handling of the above exception, another exception occurred: 
    4681  
    4682 Traceback (most recent call last): 
    4683 File
    4684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4685 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4686 if not self.draw_new_frame(): 
    4687 File
    4688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4689 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4690 changed = view.check_for_drawing_change() 
    4691 File
    4692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4693 packages/chimerax/core/graphics/view.py", line 252, in
    4694 check_for_drawing_change 
    4695 trig.activate_trigger('graphics update', self) 
    4696 File
    4697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4698 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4699 trigger.activate(data) 
    4700 File
    4701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4702 packages/chimerax/core/triggerset.py", line 190, in activate 
    4703 ret = handler.invoke(data, self._remove_bad_handlers) 
    4704 File
    4705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4706 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4707 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4708 File
    4709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4710 packages/chimerax/core/session.py", line 943, in <lambda> 
    4711 logger.report_exception(preface=preface)) 
    4712 File
    4713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4714 packages/chimerax/core/logger.py", line 421, in report_exception 
    4715 elif probably_chimera1_session(exc_info): 
    4716 File
    4717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4718 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4719 etype, evalue, etraceback = exc_info 
    4720 TypeError: cannot unpack non-iterable NoneType object 
    4721  
    4722 TypeError: cannot unpack non-iterable NoneType object 
    4723  
    4724 File
    4725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4726 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4727 etype, evalue, etraceback = exc_info 
    4728  
    4729 See log for complete Python traceback. 
    4730  
    4731 Traceback (most recent call last): 
    4732 File
    4733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4734 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4735 return self._func(self._name, data) 
    4736 File
    4737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4738 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4739 if v.display: 
    4740 File
    4741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4742 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4743 return self._any_displayed_positions and len(self._positions) > 0 
    4744 TypeError: object of type 'NoneType' has no len() 
    4745  
    4746 During handling of the above exception, another exception occurred: 
    4747  
    4748 Traceback (most recent call last): 
    4749 File
    4750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4751 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4752 if not self.draw_new_frame(): 
    4753 File
    4754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4755 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4756 changed = view.check_for_drawing_change() 
    4757 File
    4758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4759 packages/chimerax/core/graphics/view.py", line 252, in
    4760 check_for_drawing_change 
    4761 trig.activate_trigger('graphics update', self) 
    4762 File
    4763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4764 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4765 trigger.activate(data) 
    4766 File
    4767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4768 packages/chimerax/core/triggerset.py", line 190, in activate 
    4769 ret = handler.invoke(data, self._remove_bad_handlers) 
    4770 File
    4771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4772 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4773 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4774 File
    4775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4776 packages/chimerax/core/session.py", line 943, in <lambda> 
    4777 logger.report_exception(preface=preface)) 
    4778 File
    4779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4780 packages/chimerax/core/logger.py", line 421, in report_exception 
    4781 elif probably_chimera1_session(exc_info): 
    4782 File
    4783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4784 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4785 etype, evalue, etraceback = exc_info 
    4786 TypeError: cannot unpack non-iterable NoneType object 
    4787  
    4788 TypeError: cannot unpack non-iterable NoneType object 
    4789  
    4790 File
    4791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4792 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4793 etype, evalue, etraceback = exc_info 
    4794  
    4795 See log for complete Python traceback. 
    4796  
    4797 Traceback (most recent call last): 
    4798 File
    4799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4800 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4801 return self._func(self._name, data) 
    4802 File
    4803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4804 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4805 if v.display: 
    4806 File
    4807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4808 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4809 return self._any_displayed_positions and len(self._positions) > 0 
    4810 TypeError: object of type 'NoneType' has no len() 
    4811  
    4812 During handling of the above exception, another exception occurred: 
    4813  
    4814 Traceback (most recent call last): 
    4815 File
    4816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4817 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4818 if not self.draw_new_frame(): 
    4819 File
    4820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4821 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4822 changed = view.check_for_drawing_change() 
    4823 File
    4824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4825 packages/chimerax/core/graphics/view.py", line 252, in
    4826 check_for_drawing_change 
    4827 trig.activate_trigger('graphics update', self) 
    4828 File
    4829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4830 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4831 trigger.activate(data) 
    4832 File
    4833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4834 packages/chimerax/core/triggerset.py", line 190, in activate 
    4835 ret = handler.invoke(data, self._remove_bad_handlers) 
    4836 File
    4837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4838 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4839 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4840 File
    4841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4842 packages/chimerax/core/session.py", line 943, in <lambda> 
    4843 logger.report_exception(preface=preface)) 
    4844 File
    4845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4846 packages/chimerax/core/logger.py", line 421, in report_exception 
    4847 elif probably_chimera1_session(exc_info): 
    4848 File
    4849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4850 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4851 etype, evalue, etraceback = exc_info 
    4852 TypeError: cannot unpack non-iterable NoneType object 
    4853  
    4854 TypeError: cannot unpack non-iterable NoneType object 
    4855  
    4856 File
    4857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4858 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4859 etype, evalue, etraceback = exc_info 
    4860  
    4861 See log for complete Python traceback. 
    4862  
    4863 Traceback (most recent call last): 
    4864 File
    4865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4866 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4867 return self._func(self._name, data) 
    4868 File
    4869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4870 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4871 if v.display: 
    4872 File
    4873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4874 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4875 return self._any_displayed_positions and len(self._positions) > 0 
    4876 TypeError: object of type 'NoneType' has no len() 
    4877  
    4878 During handling of the above exception, another exception occurred: 
    4879  
    4880 Traceback (most recent call last): 
    4881 File
    4882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4883 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4884 if not self.draw_new_frame(): 
    4885 File
    4886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4887 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4888 changed = view.check_for_drawing_change() 
    4889 File
    4890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4891 packages/chimerax/core/graphics/view.py", line 252, in
    4892 check_for_drawing_change 
    4893 trig.activate_trigger('graphics update', self) 
    4894 File
    4895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4896 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4897 trigger.activate(data) 
    4898 File
    4899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4900 packages/chimerax/core/triggerset.py", line 190, in activate 
    4901 ret = handler.invoke(data, self._remove_bad_handlers) 
    4902 File
    4903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4904 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4905 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4906 File
    4907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4908 packages/chimerax/core/session.py", line 943, in <lambda> 
    4909 logger.report_exception(preface=preface)) 
    4910 File
    4911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4912 packages/chimerax/core/logger.py", line 421, in report_exception 
    4913 elif probably_chimera1_session(exc_info): 
    4914 File
    4915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4916 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4917 etype, evalue, etraceback = exc_info 
    4918 TypeError: cannot unpack non-iterable NoneType object 
    4919  
    4920 TypeError: cannot unpack non-iterable NoneType object 
    4921  
    4922 File
    4923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4924 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4925 etype, evalue, etraceback = exc_info 
    4926  
    4927 See log for complete Python traceback. 
    4928  
    4929 Traceback (most recent call last): 
    4930 File
    4931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4932 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4933 return self._func(self._name, data) 
    4934 File
    4935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4936 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    4937 if v.display: 
    4938 File
    4939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4940 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    4941 return self._any_displayed_positions and len(self._positions) > 0 
    4942 TypeError: object of type 'NoneType' has no len() 
    4943  
    4944 During handling of the above exception, another exception occurred: 
    4945  
    4946 Traceback (most recent call last): 
    4947 File
    4948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4949 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    4950 if not self.draw_new_frame(): 
    4951 File
    4952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4953 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    4954 changed = view.check_for_drawing_change() 
    4955 File
    4956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4957 packages/chimerax/core/graphics/view.py", line 252, in
    4958 check_for_drawing_change 
    4959 trig.activate_trigger('graphics update', self) 
    4960 File
    4961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4962 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    4963 trigger.activate(data) 
    4964 File
    4965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4966 packages/chimerax/core/triggerset.py", line 190, in activate 
    4967 ret = handler.invoke(data, self._remove_bad_handlers) 
    4968 File
    4969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4970 packages/chimerax/core/triggerset.py", line 132, in invoke 
    4971 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    4972 File
    4973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4974 packages/chimerax/core/session.py", line 943, in <lambda> 
    4975 logger.report_exception(preface=preface)) 
    4976 File
    4977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4978 packages/chimerax/core/logger.py", line 421, in report_exception 
    4979 elif probably_chimera1_session(exc_info): 
    4980 File
    4981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4982 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4983 etype, evalue, etraceback = exc_info 
    4984 TypeError: cannot unpack non-iterable NoneType object 
    4985  
    4986 TypeError: cannot unpack non-iterable NoneType object 
    4987  
    4988 File
    4989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4990 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    4991 etype, evalue, etraceback = exc_info 
    4992  
    4993 See log for complete Python traceback. 
    4994  
    4995 Traceback (most recent call last): 
    4996 File
    4997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    4998 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4999 return self._func(self._name, data) 
    5000 File
    5001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5002 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5003 if v.display: 
    5004 File
    5005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5006 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5007 return self._any_displayed_positions and len(self._positions) > 0 
    5008 TypeError: object of type 'NoneType' has no len() 
    5009  
    5010 During handling of the above exception, another exception occurred: 
    5011  
    5012 Traceback (most recent call last): 
    5013 File
    5014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5015 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5016 if not self.draw_new_frame(): 
    5017 File
    5018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5019 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5020 changed = view.check_for_drawing_change() 
    5021 File
    5022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5023 packages/chimerax/core/graphics/view.py", line 252, in
    5024 check_for_drawing_change 
    5025 trig.activate_trigger('graphics update', self) 
    5026 File
    5027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5028 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5029 trigger.activate(data) 
    5030 File
    5031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5032 packages/chimerax/core/triggerset.py", line 190, in activate 
    5033 ret = handler.invoke(data, self._remove_bad_handlers) 
    5034 File
    5035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5036 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5037 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5038 File
    5039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5040 packages/chimerax/core/session.py", line 943, in <lambda> 
    5041 logger.report_exception(preface=preface)) 
    5042 File
    5043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5044 packages/chimerax/core/logger.py", line 421, in report_exception 
    5045 elif probably_chimera1_session(exc_info): 
    5046 File
    5047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5048 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5049 etype, evalue, etraceback = exc_info 
    5050 TypeError: cannot unpack non-iterable NoneType object 
    5051  
    5052 TypeError: cannot unpack non-iterable NoneType object 
    5053  
    5054 File
    5055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5056 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5057 etype, evalue, etraceback = exc_info 
    5058  
    5059 See log for complete Python traceback. 
    5060  
    5061 Traceback (most recent call last): 
    5062 File
    5063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5064 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5065 return self._func(self._name, data) 
    5066 File
    5067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5068 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5069 if v.display: 
    5070 File
    5071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5072 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5073 return self._any_displayed_positions and len(self._positions) > 0 
    5074 TypeError: object of type 'NoneType' has no len() 
    5075  
    5076 During handling of the above exception, another exception occurred: 
    5077  
    5078 Traceback (most recent call last): 
    5079 File
    5080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5081 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5082 if not self.draw_new_frame(): 
    5083 File
    5084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5085 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5086 changed = view.check_for_drawing_change() 
    5087 File
    5088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5089 packages/chimerax/core/graphics/view.py", line 252, in
    5090 check_for_drawing_change 
    5091 trig.activate_trigger('graphics update', self) 
    5092 File
    5093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5094 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5095 trigger.activate(data) 
    5096 File
    5097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5098 packages/chimerax/core/triggerset.py", line 190, in activate 
    5099 ret = handler.invoke(data, self._remove_bad_handlers) 
    5100 File
    5101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5102 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5103 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5104 File
    5105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5106 packages/chimerax/core/session.py", line 943, in <lambda> 
    5107 logger.report_exception(preface=preface)) 
    5108 File
    5109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5110 packages/chimerax/core/logger.py", line 421, in report_exception 
    5111 elif probably_chimera1_session(exc_info): 
    5112 File
    5113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5114 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5115 etype, evalue, etraceback = exc_info 
    5116 TypeError: cannot unpack non-iterable NoneType object 
    5117  
    5118 TypeError: cannot unpack non-iterable NoneType object 
    5119  
    5120 File
    5121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5122 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5123 etype, evalue, etraceback = exc_info 
    5124  
    5125 See log for complete Python traceback. 
    5126  
    5127 Traceback (most recent call last): 
    5128 File
    5129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5130 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5131 return self._func(self._name, data) 
    5132 File
    5133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5134 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5135 if v.display: 
    5136 File
    5137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5138 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5139 return self._any_displayed_positions and len(self._positions) > 0 
    5140 TypeError: object of type 'NoneType' has no len() 
    5141  
    5142 During handling of the above exception, another exception occurred: 
    5143  
    5144 Traceback (most recent call last): 
    5145 File
    5146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5147 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5148 if not self.draw_new_frame(): 
    5149 File
    5150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5151 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5152 changed = view.check_for_drawing_change() 
    5153 File
    5154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5155 packages/chimerax/core/graphics/view.py", line 252, in
    5156 check_for_drawing_change 
    5157 trig.activate_trigger('graphics update', self) 
    5158 File
    5159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5160 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5161 trigger.activate(data) 
    5162 File
    5163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5164 packages/chimerax/core/triggerset.py", line 190, in activate 
    5165 ret = handler.invoke(data, self._remove_bad_handlers) 
    5166 File
    5167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5168 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5169 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5170 File
    5171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5172 packages/chimerax/core/session.py", line 943, in <lambda> 
    5173 logger.report_exception(preface=preface)) 
    5174 File
    5175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5176 packages/chimerax/core/logger.py", line 421, in report_exception 
    5177 elif probably_chimera1_session(exc_info): 
    5178 File
    5179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5180 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5181 etype, evalue, etraceback = exc_info 
    5182 TypeError: cannot unpack non-iterable NoneType object 
    5183  
    5184 TypeError: cannot unpack non-iterable NoneType object 
    5185  
    5186 File
    5187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5188 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5189 etype, evalue, etraceback = exc_info 
    5190  
    5191 See log for complete Python traceback. 
    5192  
    5193 Traceback (most recent call last): 
    5194 File
    5195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5196 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5197 return self._func(self._name, data) 
    5198 File
    5199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5200 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5201 if v.display: 
    5202 File
    5203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5204 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5205 return self._any_displayed_positions and len(self._positions) > 0 
    5206 TypeError: object of type 'NoneType' has no len() 
    5207  
    5208 During handling of the above exception, another exception occurred: 
    5209  
    5210 Traceback (most recent call last): 
    5211 File
    5212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5213 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5214 if not self.draw_new_frame(): 
    5215 File
    5216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5217 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5218 changed = view.check_for_drawing_change() 
    5219 File
    5220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5221 packages/chimerax/core/graphics/view.py", line 252, in
    5222 check_for_drawing_change 
    5223 trig.activate_trigger('graphics update', self) 
    5224 File
    5225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5226 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5227 trigger.activate(data) 
    5228 File
    5229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5230 packages/chimerax/core/triggerset.py", line 190, in activate 
    5231 ret = handler.invoke(data, self._remove_bad_handlers) 
    5232 File
    5233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5234 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5235 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5236 File
    5237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5238 packages/chimerax/core/session.py", line 943, in <lambda> 
    5239 logger.report_exception(preface=preface)) 
    5240 File
    5241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5242 packages/chimerax/core/logger.py", line 421, in report_exception 
    5243 elif probably_chimera1_session(exc_info): 
    5244 File
    5245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5246 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5247 etype, evalue, etraceback = exc_info 
    5248 TypeError: cannot unpack non-iterable NoneType object 
    5249  
    5250 TypeError: cannot unpack non-iterable NoneType object 
    5251  
    5252 File
    5253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5254 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5255 etype, evalue, etraceback = exc_info 
    5256  
    5257 See log for complete Python traceback. 
    5258  
    5259 Traceback (most recent call last): 
    5260 File
    5261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5262 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5263 return self._func(self._name, data) 
    5264 File
    5265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5266 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5267 if v.display: 
    5268 File
    5269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5270 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5271 return self._any_displayed_positions and len(self._positions) > 0 
    5272 TypeError: object of type 'NoneType' has no len() 
    5273  
    5274 During handling of the above exception, another exception occurred: 
    5275  
    5276 Traceback (most recent call last): 
    5277 File
    5278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5279 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5280 if not self.draw_new_frame(): 
    5281 File
    5282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5283 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5284 changed = view.check_for_drawing_change() 
    5285 File
    5286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5287 packages/chimerax/core/graphics/view.py", line 252, in
    5288 check_for_drawing_change 
    5289 trig.activate_trigger('graphics update', self) 
    5290 File
    5291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5292 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5293 trigger.activate(data) 
    5294 File
    5295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5296 packages/chimerax/core/triggerset.py", line 190, in activate 
    5297 ret = handler.invoke(data, self._remove_bad_handlers) 
    5298 File
    5299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5300 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5301 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5302 File
    5303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5304 packages/chimerax/core/session.py", line 943, in <lambda> 
    5305 logger.report_exception(preface=preface)) 
    5306 File
    5307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5308 packages/chimerax/core/logger.py", line 421, in report_exception 
    5309 elif probably_chimera1_session(exc_info): 
    5310 File
    5311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5312 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5313 etype, evalue, etraceback = exc_info 
    5314 TypeError: cannot unpack non-iterable NoneType object 
    5315  
    5316 TypeError: cannot unpack non-iterable NoneType object 
    5317  
    5318 File
    5319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5320 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5321 etype, evalue, etraceback = exc_info 
    5322  
    5323 See log for complete Python traceback. 
    5324  
    5325 Traceback (most recent call last): 
    5326 File
    5327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5328 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5329 return self._func(self._name, data) 
    5330 File
    5331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5332 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5333 if v.display: 
    5334 File
    5335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5336 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5337 return self._any_displayed_positions and len(self._positions) > 0 
    5338 TypeError: object of type 'NoneType' has no len() 
    5339  
    5340 During handling of the above exception, another exception occurred: 
    5341  
    5342 Traceback (most recent call last): 
    5343 File
    5344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5345 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5346 if not self.draw_new_frame(): 
    5347 File
    5348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5349 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5350 changed = view.check_for_drawing_change() 
    5351 File
    5352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5353 packages/chimerax/core/graphics/view.py", line 252, in
    5354 check_for_drawing_change 
    5355 trig.activate_trigger('graphics update', self) 
    5356 File
    5357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5358 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5359 trigger.activate(data) 
    5360 File
    5361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5362 packages/chimerax/core/triggerset.py", line 190, in activate 
    5363 ret = handler.invoke(data, self._remove_bad_handlers) 
    5364 File
    5365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5366 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5367 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5368 File
    5369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5370 packages/chimerax/core/session.py", line 943, in <lambda> 
    5371 logger.report_exception(preface=preface)) 
    5372 File
    5373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5374 packages/chimerax/core/logger.py", line 421, in report_exception 
    5375 elif probably_chimera1_session(exc_info): 
    5376 File
    5377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5378 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5379 etype, evalue, etraceback = exc_info 
    5380 TypeError: cannot unpack non-iterable NoneType object 
    5381  
    5382 TypeError: cannot unpack non-iterable NoneType object 
    5383  
    5384 File
    5385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5386 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5387 etype, evalue, etraceback = exc_info 
    5388  
    5389 See log for complete Python traceback. 
    5390  
    5391 Traceback (most recent call last): 
    5392 File
    5393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5394 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5395 return self._func(self._name, data) 
    5396 File
    5397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5398 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5399 if v.display: 
    5400 File
    5401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5402 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5403 return self._any_displayed_positions and len(self._positions) > 0 
    5404 TypeError: object of type 'NoneType' has no len() 
    5405  
    5406 During handling of the above exception, another exception occurred: 
    5407  
    5408 Traceback (most recent call last): 
    5409 File
    5410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5411 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5412 if not self.draw_new_frame(): 
    5413 File
    5414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5415 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5416 changed = view.check_for_drawing_change() 
    5417 File
    5418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5419 packages/chimerax/core/graphics/view.py", line 252, in
    5420 check_for_drawing_change 
    5421 trig.activate_trigger('graphics update', self) 
    5422 File
    5423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5424 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5425 trigger.activate(data) 
    5426 File
    5427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5428 packages/chimerax/core/triggerset.py", line 190, in activate 
    5429 ret = handler.invoke(data, self._remove_bad_handlers) 
    5430 File
    5431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5432 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5433 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5434 File
    5435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5436 packages/chimerax/core/session.py", line 943, in <lambda> 
    5437 logger.report_exception(preface=preface)) 
    5438 File
    5439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5440 packages/chimerax/core/logger.py", line 421, in report_exception 
    5441 elif probably_chimera1_session(exc_info): 
    5442 File
    5443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5444 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5445 etype, evalue, etraceback = exc_info 
    5446 TypeError: cannot unpack non-iterable NoneType object 
    5447  
    5448 TypeError: cannot unpack non-iterable NoneType object 
    5449  
    5450 File
    5451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5452 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5453 etype, evalue, etraceback = exc_info 
    5454  
    5455 See log for complete Python traceback. 
    5456  
    5457 Traceback (most recent call last): 
    5458 File
    5459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5460 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5461 return self._func(self._name, data) 
    5462 File
    5463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5464 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5465 if v.display: 
    5466 File
    5467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5468 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5469 return self._any_displayed_positions and len(self._positions) > 0 
    5470 TypeError: object of type 'NoneType' has no len() 
    5471  
    5472 During handling of the above exception, another exception occurred: 
    5473  
    5474 Traceback (most recent call last): 
    5475 File
    5476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5477 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5478 if not self.draw_new_frame(): 
    5479 File
    5480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5481 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5482 changed = view.check_for_drawing_change() 
    5483 File
    5484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5485 packages/chimerax/core/graphics/view.py", line 252, in
    5486 check_for_drawing_change 
    5487 trig.activate_trigger('graphics update', self) 
    5488 File
    5489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5490 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5491 trigger.activate(data) 
    5492 File
    5493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5494 packages/chimerax/core/triggerset.py", line 190, in activate 
    5495 ret = handler.invoke(data, self._remove_bad_handlers) 
    5496 File
    5497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5498 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5499 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5500 File
    5501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5502 packages/chimerax/core/session.py", line 943, in <lambda> 
    5503 logger.report_exception(preface=preface)) 
    5504 File
    5505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5506 packages/chimerax/core/logger.py", line 421, in report_exception 
    5507 elif probably_chimera1_session(exc_info): 
    5508 File
    5509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5510 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5511 etype, evalue, etraceback = exc_info 
    5512 TypeError: cannot unpack non-iterable NoneType object 
    5513  
    5514 TypeError: cannot unpack non-iterable NoneType object 
    5515  
    5516 File
    5517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5518 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5519 etype, evalue, etraceback = exc_info 
    5520  
    5521 See log for complete Python traceback. 
    5522  
    5523 Traceback (most recent call last): 
    5524 File
    5525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5526 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5527 return self._func(self._name, data) 
    5528 File
    5529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5530 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5531 if v.display: 
    5532 File
    5533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5534 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5535 return self._any_displayed_positions and len(self._positions) > 0 
    5536 TypeError: object of type 'NoneType' has no len() 
    5537  
    5538 During handling of the above exception, another exception occurred: 
    5539  
    5540 Traceback (most recent call last): 
    5541 File
    5542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5543 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5544 if not self.draw_new_frame(): 
    5545 File
    5546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5547 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5548 changed = view.check_for_drawing_change() 
    5549 File
    5550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5551 packages/chimerax/core/graphics/view.py", line 252, in
    5552 check_for_drawing_change 
    5553 trig.activate_trigger('graphics update', self) 
    5554 File
    5555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5556 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5557 trigger.activate(data) 
    5558 File
    5559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5560 packages/chimerax/core/triggerset.py", line 190, in activate 
    5561 ret = handler.invoke(data, self._remove_bad_handlers) 
    5562 File
    5563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5564 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5565 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5566 File
    5567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5568 packages/chimerax/core/session.py", line 943, in <lambda> 
    5569 logger.report_exception(preface=preface)) 
    5570 File
    5571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5572 packages/chimerax/core/logger.py", line 421, in report_exception 
    5573 elif probably_chimera1_session(exc_info): 
    5574 File
    5575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5576 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5577 etype, evalue, etraceback = exc_info 
    5578 TypeError: cannot unpack non-iterable NoneType object 
    5579  
    5580 TypeError: cannot unpack non-iterable NoneType object 
    5581  
    5582 File
    5583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5584 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5585 etype, evalue, etraceback = exc_info 
    5586  
    5587 See log for complete Python traceback. 
    5588  
    5589 Traceback (most recent call last): 
    5590 File
    5591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5592 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5593 return self._func(self._name, data) 
    5594 File
    5595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5596 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5597 if v.display: 
    5598 File
    5599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5600 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5601 return self._any_displayed_positions and len(self._positions) > 0 
    5602 TypeError: object of type 'NoneType' has no len() 
    5603  
    5604 During handling of the above exception, another exception occurred: 
    5605  
    5606 Traceback (most recent call last): 
    5607 File
    5608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5609 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5610 if not self.draw_new_frame(): 
    5611 File
    5612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5613 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5614 changed = view.check_for_drawing_change() 
    5615 File
    5616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5617 packages/chimerax/core/graphics/view.py", line 252, in
    5618 check_for_drawing_change 
    5619 trig.activate_trigger('graphics update', self) 
    5620 File
    5621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5622 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5623 trigger.activate(data) 
    5624 File
    5625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5626 packages/chimerax/core/triggerset.py", line 190, in activate 
    5627 ret = handler.invoke(data, self._remove_bad_handlers) 
    5628 File
    5629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5630 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5631 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5632 File
    5633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5634 packages/chimerax/core/session.py", line 943, in <lambda> 
    5635 logger.report_exception(preface=preface)) 
    5636 File
    5637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5638 packages/chimerax/core/logger.py", line 421, in report_exception 
    5639 elif probably_chimera1_session(exc_info): 
    5640 File
    5641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5642 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5643 etype, evalue, etraceback = exc_info 
    5644 TypeError: cannot unpack non-iterable NoneType object 
    5645  
    5646 TypeError: cannot unpack non-iterable NoneType object 
    5647  
    5648 File
    5649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5650 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5651 etype, evalue, etraceback = exc_info 
    5652  
    5653 See log for complete Python traceback. 
    5654  
    5655 Traceback (most recent call last): 
    5656 File
    5657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5658 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5659 return self._func(self._name, data) 
    5660 File
    5661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5662 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5663 if v.display: 
    5664 File
    5665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5666 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5667 return self._any_displayed_positions and len(self._positions) > 0 
    5668 TypeError: object of type 'NoneType' has no len() 
    5669  
    5670 During handling of the above exception, another exception occurred: 
    5671  
    5672 Traceback (most recent call last): 
    5673 File
    5674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5675 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5676 if not self.draw_new_frame(): 
    5677 File
    5678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5679 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5680 changed = view.check_for_drawing_change() 
    5681 File
    5682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5683 packages/chimerax/core/graphics/view.py", line 252, in
    5684 check_for_drawing_change 
    5685 trig.activate_trigger('graphics update', self) 
    5686 File
    5687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5688 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5689 trigger.activate(data) 
    5690 File
    5691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5692 packages/chimerax/core/triggerset.py", line 190, in activate 
    5693 ret = handler.invoke(data, self._remove_bad_handlers) 
    5694 File
    5695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5696 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5697 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5698 File
    5699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5700 packages/chimerax/core/session.py", line 943, in <lambda> 
    5701 logger.report_exception(preface=preface)) 
    5702 File
    5703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5704 packages/chimerax/core/logger.py", line 421, in report_exception 
    5705 elif probably_chimera1_session(exc_info): 
    5706 File
    5707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5708 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5709 etype, evalue, etraceback = exc_info 
    5710 TypeError: cannot unpack non-iterable NoneType object 
    5711  
    5712 TypeError: cannot unpack non-iterable NoneType object 
    5713  
    5714 File
    5715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5716 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5717 etype, evalue, etraceback = exc_info 
    5718  
    5719 See log for complete Python traceback. 
    5720  
    5721 Traceback (most recent call last): 
    5722 File
    5723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5724 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5725 return self._func(self._name, data) 
    5726 File
    5727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5728 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5729 if v.display: 
    5730 File
    5731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5732 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5733 return self._any_displayed_positions and len(self._positions) > 0 
    5734 TypeError: object of type 'NoneType' has no len() 
    5735  
    5736 During handling of the above exception, another exception occurred: 
    5737  
    5738 Traceback (most recent call last): 
    5739 File
    5740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5741 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5742 if not self.draw_new_frame(): 
    5743 File
    5744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5745 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5746 changed = view.check_for_drawing_change() 
    5747 File
    5748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5749 packages/chimerax/core/graphics/view.py", line 252, in
    5750 check_for_drawing_change 
    5751 trig.activate_trigger('graphics update', self) 
    5752 File
    5753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5754 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5755 trigger.activate(data) 
    5756 File
    5757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5758 packages/chimerax/core/triggerset.py", line 190, in activate 
    5759 ret = handler.invoke(data, self._remove_bad_handlers) 
    5760 File
    5761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5762 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5763 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5764 File
    5765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5766 packages/chimerax/core/session.py", line 943, in <lambda> 
    5767 logger.report_exception(preface=preface)) 
    5768 File
    5769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5770 packages/chimerax/core/logger.py", line 421, in report_exception 
    5771 elif probably_chimera1_session(exc_info): 
    5772 File
    5773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5774 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5775 etype, evalue, etraceback = exc_info 
    5776 TypeError: cannot unpack non-iterable NoneType object 
    5777  
    5778 TypeError: cannot unpack non-iterable NoneType object 
    5779  
    5780 File
    5781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5782 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5783 etype, evalue, etraceback = exc_info 
    5784  
    5785 See log for complete Python traceback. 
    5786  
    5787 Traceback (most recent call last): 
    5788 File
    5789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5790 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5791 return self._func(self._name, data) 
    5792 File
    5793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5794 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5795 if v.display: 
    5796 File
    5797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5798 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5799 return self._any_displayed_positions and len(self._positions) > 0 
    5800 TypeError: object of type 'NoneType' has no len() 
    5801  
    5802 During handling of the above exception, another exception occurred: 
    5803  
    5804 Traceback (most recent call last): 
    5805 File
    5806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5807 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5808 if not self.draw_new_frame(): 
    5809 File
    5810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5811 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5812 changed = view.check_for_drawing_change() 
    5813 File
    5814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5815 packages/chimerax/core/graphics/view.py", line 252, in
    5816 check_for_drawing_change 
    5817 trig.activate_trigger('graphics update', self) 
    5818 File
    5819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5820 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5821 trigger.activate(data) 
    5822 File
    5823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5824 packages/chimerax/core/triggerset.py", line 190, in activate 
    5825 ret = handler.invoke(data, self._remove_bad_handlers) 
    5826 File
    5827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5828 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5829 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5830 File
    5831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5832 packages/chimerax/core/session.py", line 943, in <lambda> 
    5833 logger.report_exception(preface=preface)) 
    5834 File
    5835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5836 packages/chimerax/core/logger.py", line 421, in report_exception 
    5837 elif probably_chimera1_session(exc_info): 
    5838 File
    5839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5840 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5841 etype, evalue, etraceback = exc_info 
    5842 TypeError: cannot unpack non-iterable NoneType object 
    5843  
    5844 TypeError: cannot unpack non-iterable NoneType object 
    5845  
    5846 File
    5847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5848 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5849 etype, evalue, etraceback = exc_info 
    5850  
    5851 See log for complete Python traceback. 
    5852  
    5853 Traceback (most recent call last): 
    5854 File
    5855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5856 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5857 return self._func(self._name, data) 
    5858 File
    5859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5860 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5861 if v.display: 
    5862 File
    5863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5864 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5865 return self._any_displayed_positions and len(self._positions) > 0 
    5866 TypeError: object of type 'NoneType' has no len() 
    5867  
    5868 During handling of the above exception, another exception occurred: 
    5869  
    5870 Traceback (most recent call last): 
    5871 File
    5872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5873 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5874 if not self.draw_new_frame(): 
    5875 File
    5876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5877 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5878 changed = view.check_for_drawing_change() 
    5879 File
    5880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5881 packages/chimerax/core/graphics/view.py", line 252, in
    5882 check_for_drawing_change 
    5883 trig.activate_trigger('graphics update', self) 
    5884 File
    5885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5886 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5887 trigger.activate(data) 
    5888 File
    5889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5890 packages/chimerax/core/triggerset.py", line 190, in activate 
    5891 ret = handler.invoke(data, self._remove_bad_handlers) 
    5892 File
    5893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5894 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5895 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5896 File
    5897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5898 packages/chimerax/core/session.py", line 943, in <lambda> 
    5899 logger.report_exception(preface=preface)) 
    5900 File
    5901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5902 packages/chimerax/core/logger.py", line 421, in report_exception 
    5903 elif probably_chimera1_session(exc_info): 
    5904 File
    5905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5906 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5907 etype, evalue, etraceback = exc_info 
    5908 TypeError: cannot unpack non-iterable NoneType object 
    5909  
    5910 TypeError: cannot unpack non-iterable NoneType object 
    5911  
    5912 File
    5913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5914 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5915 etype, evalue, etraceback = exc_info 
    5916  
    5917 See log for complete Python traceback. 
    5918  
    5919 Traceback (most recent call last): 
    5920 File
    5921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5922 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5923 return self._func(self._name, data) 
    5924 File
    5925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5926 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5927 if v.display: 
    5928 File
    5929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5930 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5931 return self._any_displayed_positions and len(self._positions) > 0 
    5932 TypeError: object of type 'NoneType' has no len() 
    5933  
    5934 During handling of the above exception, another exception occurred: 
    5935  
    5936 Traceback (most recent call last): 
    5937 File
    5938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5939 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    5940 if not self.draw_new_frame(): 
    5941 File
    5942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5943 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    5944 changed = view.check_for_drawing_change() 
    5945 File
    5946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5947 packages/chimerax/core/graphics/view.py", line 252, in
    5948 check_for_drawing_change 
    5949 trig.activate_trigger('graphics update', self) 
    5950 File
    5951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5952 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    5953 trigger.activate(data) 
    5954 File
    5955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5956 packages/chimerax/core/triggerset.py", line 190, in activate 
    5957 ret = handler.invoke(data, self._remove_bad_handlers) 
    5958 File
    5959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5960 packages/chimerax/core/triggerset.py", line 132, in invoke 
    5961 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    5962 File
    5963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5964 packages/chimerax/core/session.py", line 943, in <lambda> 
    5965 logger.report_exception(preface=preface)) 
    5966 File
    5967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5968 packages/chimerax/core/logger.py", line 421, in report_exception 
    5969 elif probably_chimera1_session(exc_info): 
    5970 File
    5971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5972 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5973 etype, evalue, etraceback = exc_info 
    5974 TypeError: cannot unpack non-iterable NoneType object 
    5975  
    5976 TypeError: cannot unpack non-iterable NoneType object 
    5977  
    5978 File
    5979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5980 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    5981 etype, evalue, etraceback = exc_info 
    5982  
    5983 See log for complete Python traceback. 
    5984  
    5985 Traceback (most recent call last): 
    5986 File
    5987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5988 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5989 return self._func(self._name, data) 
    5990 File
    5991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5992 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    5993 if v.display: 
    5994 File
    5995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    5996 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    5997 return self._any_displayed_positions and len(self._positions) > 0 
    5998 TypeError: object of type 'NoneType' has no len() 
    5999  
    6000 During handling of the above exception, another exception occurred: 
    6001  
    6002 Traceback (most recent call last): 
    6003 File
    6004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6005 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6006 if not self.draw_new_frame(): 
    6007 File
    6008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6009 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6010 changed = view.check_for_drawing_change() 
    6011 File
    6012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6013 packages/chimerax/core/graphics/view.py", line 252, in
    6014 check_for_drawing_change 
    6015 trig.activate_trigger('graphics update', self) 
    6016 File
    6017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6018 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6019 trigger.activate(data) 
    6020 File
    6021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6022 packages/chimerax/core/triggerset.py", line 190, in activate 
    6023 ret = handler.invoke(data, self._remove_bad_handlers) 
    6024 File
    6025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6026 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6027 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6028 File
    6029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6030 packages/chimerax/core/session.py", line 943, in <lambda> 
    6031 logger.report_exception(preface=preface)) 
    6032 File
    6033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6034 packages/chimerax/core/logger.py", line 421, in report_exception 
    6035 elif probably_chimera1_session(exc_info): 
    6036 File
    6037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6038 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6039 etype, evalue, etraceback = exc_info 
    6040 TypeError: cannot unpack non-iterable NoneType object 
    6041  
    6042 TypeError: cannot unpack non-iterable NoneType object 
    6043  
    6044 File
    6045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6046 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6047 etype, evalue, etraceback = exc_info 
    6048  
    6049 See log for complete Python traceback. 
    6050  
    6051 Traceback (most recent call last): 
    6052 File
    6053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6054 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6055 return self._func(self._name, data) 
    6056 File
    6057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6058 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6059 if v.display: 
    6060 File
    6061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6062 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6063 return self._any_displayed_positions and len(self._positions) > 0 
    6064 TypeError: object of type 'NoneType' has no len() 
    6065  
    6066 During handling of the above exception, another exception occurred: 
    6067  
    6068 Traceback (most recent call last): 
    6069 File
    6070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6071 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6072 if not self.draw_new_frame(): 
    6073 File
    6074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6075 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6076 changed = view.check_for_drawing_change() 
    6077 File
    6078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6079 packages/chimerax/core/graphics/view.py", line 252, in
    6080 check_for_drawing_change 
    6081 trig.activate_trigger('graphics update', self) 
    6082 File
    6083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6084 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6085 trigger.activate(data) 
    6086 File
    6087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6088 packages/chimerax/core/triggerset.py", line 190, in activate 
    6089 ret = handler.invoke(data, self._remove_bad_handlers) 
    6090 File
    6091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6092 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6093 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6094 File
    6095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6096 packages/chimerax/core/session.py", line 943, in <lambda> 
    6097 logger.report_exception(preface=preface)) 
    6098 File
    6099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6100 packages/chimerax/core/logger.py", line 421, in report_exception 
    6101 elif probably_chimera1_session(exc_info): 
    6102 File
    6103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6104 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6105 etype, evalue, etraceback = exc_info 
    6106 TypeError: cannot unpack non-iterable NoneType object 
    6107  
    6108 TypeError: cannot unpack non-iterable NoneType object 
    6109  
    6110 File
    6111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6112 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6113 etype, evalue, etraceback = exc_info 
    6114  
    6115 See log for complete Python traceback. 
    6116  
    6117 Traceback (most recent call last): 
    6118 File
    6119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6120 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6121 return self._func(self._name, data) 
    6122 File
    6123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6124 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6125 if v.display: 
    6126 File
    6127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6128 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6129 return self._any_displayed_positions and len(self._positions) > 0 
    6130 TypeError: object of type 'NoneType' has no len() 
    6131  
    6132 During handling of the above exception, another exception occurred: 
    6133  
    6134 Traceback (most recent call last): 
    6135 File
    6136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6137 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6138 if not self.draw_new_frame(): 
    6139 File
    6140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6141 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6142 changed = view.check_for_drawing_change() 
    6143 File
    6144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6145 packages/chimerax/core/graphics/view.py", line 252, in
    6146 check_for_drawing_change 
    6147 trig.activate_trigger('graphics update', self) 
    6148 File
    6149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6150 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6151 trigger.activate(data) 
    6152 File
    6153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6154 packages/chimerax/core/triggerset.py", line 190, in activate 
    6155 ret = handler.invoke(data, self._remove_bad_handlers) 
    6156 File
    6157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6158 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6159 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6160 File
    6161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6162 packages/chimerax/core/session.py", line 943, in <lambda> 
    6163 logger.report_exception(preface=preface)) 
    6164 File
    6165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6166 packages/chimerax/core/logger.py", line 421, in report_exception 
    6167 elif probably_chimera1_session(exc_info): 
    6168 File
    6169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6170 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6171 etype, evalue, etraceback = exc_info 
    6172 TypeError: cannot unpack non-iterable NoneType object 
    6173  
    6174 TypeError: cannot unpack non-iterable NoneType object 
    6175  
    6176 File
    6177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6178 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6179 etype, evalue, etraceback = exc_info 
    6180  
    6181 See log for complete Python traceback. 
    6182  
    6183 Traceback (most recent call last): 
    6184 File
    6185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6186 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6187 return self._func(self._name, data) 
    6188 File
    6189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6190 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6191 if v.display: 
    6192 File
    6193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6194 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6195 return self._any_displayed_positions and len(self._positions) > 0 
    6196 TypeError: object of type 'NoneType' has no len() 
    6197  
    6198 During handling of the above exception, another exception occurred: 
    6199  
    6200 Traceback (most recent call last): 
    6201 File
    6202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6203 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6204 if not self.draw_new_frame(): 
    6205 File
    6206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6207 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6208 changed = view.check_for_drawing_change() 
    6209 File
    6210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6211 packages/chimerax/core/graphics/view.py", line 252, in
    6212 check_for_drawing_change 
    6213 trig.activate_trigger('graphics update', self) 
    6214 File
    6215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6216 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6217 trigger.activate(data) 
    6218 File
    6219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6220 packages/chimerax/core/triggerset.py", line 190, in activate 
    6221 ret = handler.invoke(data, self._remove_bad_handlers) 
    6222 File
    6223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6224 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6225 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6226 File
    6227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6228 packages/chimerax/core/session.py", line 943, in <lambda> 
    6229 logger.report_exception(preface=preface)) 
    6230 File
    6231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6232 packages/chimerax/core/logger.py", line 421, in report_exception 
    6233 elif probably_chimera1_session(exc_info): 
    6234 File
    6235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6236 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6237 etype, evalue, etraceback = exc_info 
    6238 TypeError: cannot unpack non-iterable NoneType object 
    6239  
    6240 TypeError: cannot unpack non-iterable NoneType object 
    6241  
    6242 File
    6243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6244 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6245 etype, evalue, etraceback = exc_info 
    6246  
    6247 See log for complete Python traceback. 
    6248  
    6249 Traceback (most recent call last): 
    6250 File
    6251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6252 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6253 return self._func(self._name, data) 
    6254 File
    6255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6256 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6257 if v.display: 
    6258 File
    6259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6260 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6261 return self._any_displayed_positions and len(self._positions) > 0 
    6262 TypeError: object of type 'NoneType' has no len() 
    6263  
    6264 During handling of the above exception, another exception occurred: 
    6265  
    6266 Traceback (most recent call last): 
    6267 File
    6268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6269 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6270 if not self.draw_new_frame(): 
    6271 File
    6272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6273 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6274 changed = view.check_for_drawing_change() 
    6275 File
    6276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6277 packages/chimerax/core/graphics/view.py", line 252, in
    6278 check_for_drawing_change 
    6279 trig.activate_trigger('graphics update', self) 
    6280 File
    6281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6282 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6283 trigger.activate(data) 
    6284 File
    6285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6286 packages/chimerax/core/triggerset.py", line 190, in activate 
    6287 ret = handler.invoke(data, self._remove_bad_handlers) 
    6288 File
    6289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6290 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6291 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6292 File
    6293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6294 packages/chimerax/core/session.py", line 943, in <lambda> 
    6295 logger.report_exception(preface=preface)) 
    6296 File
    6297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6298 packages/chimerax/core/logger.py", line 421, in report_exception 
    6299 elif probably_chimera1_session(exc_info): 
    6300 File
    6301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6302 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6303 etype, evalue, etraceback = exc_info 
    6304 TypeError: cannot unpack non-iterable NoneType object 
    6305  
    6306 TypeError: cannot unpack non-iterable NoneType object 
    6307  
    6308 File
    6309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6310 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6311 etype, evalue, etraceback = exc_info 
    6312  
    6313 See log for complete Python traceback. 
    6314  
    6315 Traceback (most recent call last): 
    6316 File
    6317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6319 return self._func(self._name, data) 
    6320 File
    6321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6322 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6323 if v.display: 
    6324 File
    6325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6326 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6327 return self._any_displayed_positions and len(self._positions) > 0 
    6328 TypeError: object of type 'NoneType' has no len() 
    6329  
    6330 During handling of the above exception, another exception occurred: 
    6331  
    6332 Traceback (most recent call last): 
    6333 File
    6334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6335 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6336 if not self.draw_new_frame(): 
    6337 File
    6338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6339 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6340 changed = view.check_for_drawing_change() 
    6341 File
    6342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6343 packages/chimerax/core/graphics/view.py", line 252, in
    6344 check_for_drawing_change 
    6345 trig.activate_trigger('graphics update', self) 
    6346 File
    6347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6348 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6349 trigger.activate(data) 
    6350 File
    6351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6352 packages/chimerax/core/triggerset.py", line 190, in activate 
    6353 ret = handler.invoke(data, self._remove_bad_handlers) 
    6354 File
    6355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6356 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6357 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6358 File
    6359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6360 packages/chimerax/core/session.py", line 943, in <lambda> 
    6361 logger.report_exception(preface=preface)) 
    6362 File
    6363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6364 packages/chimerax/core/logger.py", line 421, in report_exception 
    6365 elif probably_chimera1_session(exc_info): 
    6366 File
    6367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6368 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6369 etype, evalue, etraceback = exc_info 
    6370 TypeError: cannot unpack non-iterable NoneType object 
    6371  
    6372 TypeError: cannot unpack non-iterable NoneType object 
    6373  
    6374 File
    6375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6376 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6377 etype, evalue, etraceback = exc_info 
    6378  
    6379 See log for complete Python traceback. 
    6380  
    6381 Traceback (most recent call last): 
    6382 File
    6383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6384 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6385 return self._func(self._name, data) 
    6386 File
    6387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6388 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6389 if v.display: 
    6390 File
    6391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6392 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6393 return self._any_displayed_positions and len(self._positions) > 0 
    6394 TypeError: object of type 'NoneType' has no len() 
    6395  
    6396 During handling of the above exception, another exception occurred: 
    6397  
    6398 Traceback (most recent call last): 
    6399 File
    6400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6401 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6402 if not self.draw_new_frame(): 
    6403 File
    6404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6405 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6406 changed = view.check_for_drawing_change() 
    6407 File
    6408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6409 packages/chimerax/core/graphics/view.py", line 252, in
    6410 check_for_drawing_change 
    6411 trig.activate_trigger('graphics update', self) 
    6412 File
    6413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6414 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6415 trigger.activate(data) 
    6416 File
    6417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6418 packages/chimerax/core/triggerset.py", line 190, in activate 
    6419 ret = handler.invoke(data, self._remove_bad_handlers) 
    6420 File
    6421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6422 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6423 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6424 File
    6425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6426 packages/chimerax/core/session.py", line 943, in <lambda> 
    6427 logger.report_exception(preface=preface)) 
    6428 File
    6429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6430 packages/chimerax/core/logger.py", line 421, in report_exception 
    6431 elif probably_chimera1_session(exc_info): 
    6432 File
    6433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6434 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6435 etype, evalue, etraceback = exc_info 
    6436 TypeError: cannot unpack non-iterable NoneType object 
    6437  
    6438 TypeError: cannot unpack non-iterable NoneType object 
    6439  
    6440 File
    6441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6442 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6443 etype, evalue, etraceback = exc_info 
    6444  
    6445 See log for complete Python traceback. 
    6446  
    6447 Traceback (most recent call last): 
    6448 File
    6449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6450 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6451 return self._func(self._name, data) 
    6452 File
    6453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6454 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6455 if v.display: 
    6456 File
    6457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6458 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6459 return self._any_displayed_positions and len(self._positions) > 0 
    6460 TypeError: object of type 'NoneType' has no len() 
    6461  
    6462 During handling of the above exception, another exception occurred: 
    6463  
    6464 Traceback (most recent call last): 
    6465 File
    6466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6467 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6468 if not self.draw_new_frame(): 
    6469 File
    6470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6471 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6472 changed = view.check_for_drawing_change() 
    6473 File
    6474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6475 packages/chimerax/core/graphics/view.py", line 252, in
    6476 check_for_drawing_change 
    6477 trig.activate_trigger('graphics update', self) 
    6478 File
    6479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6480 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6481 trigger.activate(data) 
    6482 File
    6483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6484 packages/chimerax/core/triggerset.py", line 190, in activate 
    6485 ret = handler.invoke(data, self._remove_bad_handlers) 
    6486 File
    6487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6488 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6489 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6490 File
    6491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6492 packages/chimerax/core/session.py", line 943, in <lambda> 
    6493 logger.report_exception(preface=preface)) 
    6494 File
    6495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6496 packages/chimerax/core/logger.py", line 421, in report_exception 
    6497 elif probably_chimera1_session(exc_info): 
    6498 File
    6499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6500 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6501 etype, evalue, etraceback = exc_info 
    6502 TypeError: cannot unpack non-iterable NoneType object 
    6503  
    6504 TypeError: cannot unpack non-iterable NoneType object 
    6505  
    6506 File
    6507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6508 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6509 etype, evalue, etraceback = exc_info 
    6510  
    6511 See log for complete Python traceback. 
    6512  
    6513 Traceback (most recent call last): 
    6514 File
    6515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6516 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6517 return self._func(self._name, data) 
    6518 File
    6519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6520 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6521 if v.display: 
    6522 File
    6523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6524 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6525 return self._any_displayed_positions and len(self._positions) > 0 
    6526 TypeError: object of type 'NoneType' has no len() 
    6527  
    6528 During handling of the above exception, another exception occurred: 
    6529  
    6530 Traceback (most recent call last): 
    6531 File
    6532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6533 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6534 if not self.draw_new_frame(): 
    6535 File
    6536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6537 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6538 changed = view.check_for_drawing_change() 
    6539 File
    6540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6541 packages/chimerax/core/graphics/view.py", line 252, in
    6542 check_for_drawing_change 
    6543 trig.activate_trigger('graphics update', self) 
    6544 File
    6545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6546 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6547 trigger.activate(data) 
    6548 File
    6549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6550 packages/chimerax/core/triggerset.py", line 190, in activate 
    6551 ret = handler.invoke(data, self._remove_bad_handlers) 
    6552 File
    6553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6554 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6555 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6556 File
    6557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6558 packages/chimerax/core/session.py", line 943, in <lambda> 
    6559 logger.report_exception(preface=preface)) 
    6560 File
    6561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6562 packages/chimerax/core/logger.py", line 421, in report_exception 
    6563 elif probably_chimera1_session(exc_info): 
    6564 File
    6565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6566 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6567 etype, evalue, etraceback = exc_info 
    6568 TypeError: cannot unpack non-iterable NoneType object 
    6569  
    6570 TypeError: cannot unpack non-iterable NoneType object 
    6571  
    6572 File
    6573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6574 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6575 etype, evalue, etraceback = exc_info 
    6576  
    6577 See log for complete Python traceback. 
    6578  
    6579 Traceback (most recent call last): 
    6580 File
    6581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6582 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6583 return self._func(self._name, data) 
    6584 File
    6585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6586 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6587 if v.display: 
    6588 File
    6589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6590 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6591 return self._any_displayed_positions and len(self._positions) > 0 
    6592 TypeError: object of type 'NoneType' has no len() 
    6593  
    6594 During handling of the above exception, another exception occurred: 
    6595  
    6596 Traceback (most recent call last): 
    6597 File
    6598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6599 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6600 if not self.draw_new_frame(): 
    6601 File
    6602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6603 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6604 changed = view.check_for_drawing_change() 
    6605 File
    6606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6607 packages/chimerax/core/graphics/view.py", line 252, in
    6608 check_for_drawing_change 
    6609 trig.activate_trigger('graphics update', self) 
    6610 File
    6611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6612 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6613 trigger.activate(data) 
    6614 File
    6615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6616 packages/chimerax/core/triggerset.py", line 190, in activate 
    6617 ret = handler.invoke(data, self._remove_bad_handlers) 
    6618 File
    6619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6620 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6621 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6622 File
    6623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6624 packages/chimerax/core/session.py", line 943, in <lambda> 
    6625 logger.report_exception(preface=preface)) 
    6626 File
    6627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6628 packages/chimerax/core/logger.py", line 421, in report_exception 
    6629 elif probably_chimera1_session(exc_info): 
    6630 File
    6631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6632 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6633 etype, evalue, etraceback = exc_info 
    6634 TypeError: cannot unpack non-iterable NoneType object 
    6635  
    6636 TypeError: cannot unpack non-iterable NoneType object 
    6637  
    6638 File
    6639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6640 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6641 etype, evalue, etraceback = exc_info 
    6642  
    6643 See log for complete Python traceback. 
    6644  
    6645 Traceback (most recent call last): 
    6646 File
    6647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6648 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6649 return self._func(self._name, data) 
    6650 File
    6651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6652 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6653 if v.display: 
    6654 File
    6655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6656 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6657 return self._any_displayed_positions and len(self._positions) > 0 
    6658 TypeError: object of type 'NoneType' has no len() 
    6659  
    6660 During handling of the above exception, another exception occurred: 
    6661  
    6662 Traceback (most recent call last): 
    6663 File
    6664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6665 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6666 if not self.draw_new_frame(): 
    6667 File
    6668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6669 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6670 changed = view.check_for_drawing_change() 
    6671 File
    6672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6673 packages/chimerax/core/graphics/view.py", line 252, in
    6674 check_for_drawing_change 
    6675 trig.activate_trigger('graphics update', self) 
    6676 File
    6677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6678 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6679 trigger.activate(data) 
    6680 File
    6681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6682 packages/chimerax/core/triggerset.py", line 190, in activate 
    6683 ret = handler.invoke(data, self._remove_bad_handlers) 
    6684 File
    6685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6686 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6687 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6688 File
    6689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6690 packages/chimerax/core/session.py", line 943, in <lambda> 
    6691 logger.report_exception(preface=preface)) 
    6692 File
    6693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6694 packages/chimerax/core/logger.py", line 421, in report_exception 
    6695 elif probably_chimera1_session(exc_info): 
    6696 File
    6697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6698 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6699 etype, evalue, etraceback = exc_info 
    6700 TypeError: cannot unpack non-iterable NoneType object 
    6701  
    6702 TypeError: cannot unpack non-iterable NoneType object 
    6703  
    6704 File
    6705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6706 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6707 etype, evalue, etraceback = exc_info 
    6708  
    6709 See log for complete Python traceback. 
    6710  
    6711 Traceback (most recent call last): 
    6712 File
    6713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6714 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6715 return self._func(self._name, data) 
    6716 File
    6717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6718 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6719 if v.display: 
    6720 File
    6721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6722 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6723 return self._any_displayed_positions and len(self._positions) > 0 
    6724 TypeError: object of type 'NoneType' has no len() 
    6725  
    6726 During handling of the above exception, another exception occurred: 
    6727  
    6728 Traceback (most recent call last): 
    6729 File
    6730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6731 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6732 if not self.draw_new_frame(): 
    6733 File
    6734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6735 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6736 changed = view.check_for_drawing_change() 
    6737 File
    6738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6739 packages/chimerax/core/graphics/view.py", line 252, in
    6740 check_for_drawing_change 
    6741 trig.activate_trigger('graphics update', self) 
    6742 File
    6743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6744 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6745 trigger.activate(data) 
    6746 File
    6747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6748 packages/chimerax/core/triggerset.py", line 190, in activate 
    6749 ret = handler.invoke(data, self._remove_bad_handlers) 
    6750 File
    6751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6752 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6753 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6754 File
    6755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6756 packages/chimerax/core/session.py", line 943, in <lambda> 
    6757 logger.report_exception(preface=preface)) 
    6758 File
    6759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6760 packages/chimerax/core/logger.py", line 421, in report_exception 
    6761 elif probably_chimera1_session(exc_info): 
    6762 File
    6763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6764 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6765 etype, evalue, etraceback = exc_info 
    6766 TypeError: cannot unpack non-iterable NoneType object 
    6767  
    6768 TypeError: cannot unpack non-iterable NoneType object 
    6769  
    6770 File
    6771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6772 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6773 etype, evalue, etraceback = exc_info 
    6774  
    6775 See log for complete Python traceback. 
    6776  
    6777 Traceback (most recent call last): 
    6778 File
    6779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6780 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6781 return self._func(self._name, data) 
    6782 File
    6783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6784 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6785 if v.display: 
    6786 File
    6787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6788 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6789 return self._any_displayed_positions and len(self._positions) > 0 
    6790 TypeError: object of type 'NoneType' has no len() 
    6791  
    6792 During handling of the above exception, another exception occurred: 
    6793  
    6794 Traceback (most recent call last): 
    6795 File
    6796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6797 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6798 if not self.draw_new_frame(): 
    6799 File
    6800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6801 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6802 changed = view.check_for_drawing_change() 
    6803 File
    6804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6805 packages/chimerax/core/graphics/view.py", line 252, in
    6806 check_for_drawing_change 
    6807 trig.activate_trigger('graphics update', self) 
    6808 File
    6809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6810 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6811 trigger.activate(data) 
    6812 File
    6813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6814 packages/chimerax/core/triggerset.py", line 190, in activate 
    6815 ret = handler.invoke(data, self._remove_bad_handlers) 
    6816 File
    6817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6818 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6819 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6820 File
    6821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6822 packages/chimerax/core/session.py", line 943, in <lambda> 
    6823 logger.report_exception(preface=preface)) 
    6824 File
    6825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6826 packages/chimerax/core/logger.py", line 421, in report_exception 
    6827 elif probably_chimera1_session(exc_info): 
    6828 File
    6829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6830 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6831 etype, evalue, etraceback = exc_info 
    6832 TypeError: cannot unpack non-iterable NoneType object 
    6833  
    6834 TypeError: cannot unpack non-iterable NoneType object 
    6835  
    6836 File
    6837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6838 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6839 etype, evalue, etraceback = exc_info 
    6840  
    6841 See log for complete Python traceback. 
    6842  
    6843 Traceback (most recent call last): 
    6844 File
    6845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6846 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6847 return self._func(self._name, data) 
    6848 File
    6849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6850 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6851 if v.display: 
    6852 File
    6853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6854 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6855 return self._any_displayed_positions and len(self._positions) > 0 
    6856 TypeError: object of type 'NoneType' has no len() 
    6857  
    6858 During handling of the above exception, another exception occurred: 
    6859  
    6860 Traceback (most recent call last): 
    6861 File
    6862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6863 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6864 if not self.draw_new_frame(): 
    6865 File
    6866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6867 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6868 changed = view.check_for_drawing_change() 
    6869 File
    6870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6871 packages/chimerax/core/graphics/view.py", line 252, in
    6872 check_for_drawing_change 
    6873 trig.activate_trigger('graphics update', self) 
    6874 File
    6875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6876 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6877 trigger.activate(data) 
    6878 File
    6879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6880 packages/chimerax/core/triggerset.py", line 190, in activate 
    6881 ret = handler.invoke(data, self._remove_bad_handlers) 
    6882 File
    6883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6884 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6885 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6886 File
    6887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6888 packages/chimerax/core/session.py", line 943, in <lambda> 
    6889 logger.report_exception(preface=preface)) 
    6890 File
    6891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6892 packages/chimerax/core/logger.py", line 421, in report_exception 
    6893 elif probably_chimera1_session(exc_info): 
    6894 File
    6895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6896 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6897 etype, evalue, etraceback = exc_info 
    6898 TypeError: cannot unpack non-iterable NoneType object 
    6899  
    6900 TypeError: cannot unpack non-iterable NoneType object 
    6901  
    6902 File
    6903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6904 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6905 etype, evalue, etraceback = exc_info 
    6906  
    6907 See log for complete Python traceback. 
    6908  
    6909 Traceback (most recent call last): 
    6910 File
    6911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6912 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6913 return self._func(self._name, data) 
    6914 File
    6915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6916 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6917 if v.display: 
    6918 File
    6919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6920 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6921 return self._any_displayed_positions and len(self._positions) > 0 
    6922 TypeError: object of type 'NoneType' has no len() 
    6923  
    6924 During handling of the above exception, another exception occurred: 
    6925  
    6926 Traceback (most recent call last): 
    6927 File
    6928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6929 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6930 if not self.draw_new_frame(): 
    6931 File
    6932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6933 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    6934 changed = view.check_for_drawing_change() 
    6935 File
    6936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6937 packages/chimerax/core/graphics/view.py", line 252, in
    6938 check_for_drawing_change 
    6939 trig.activate_trigger('graphics update', self) 
    6940 File
    6941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6942 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    6943 trigger.activate(data) 
    6944 File
    6945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6946 packages/chimerax/core/triggerset.py", line 190, in activate 
    6947 ret = handler.invoke(data, self._remove_bad_handlers) 
    6948 File
    6949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6950 packages/chimerax/core/triggerset.py", line 132, in invoke 
    6951 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    6952 File
    6953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6954 packages/chimerax/core/session.py", line 943, in <lambda> 
    6955 logger.report_exception(preface=preface)) 
    6956 File
    6957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6958 packages/chimerax/core/logger.py", line 421, in report_exception 
    6959 elif probably_chimera1_session(exc_info): 
    6960 File
    6961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6962 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6963 etype, evalue, etraceback = exc_info 
    6964 TypeError: cannot unpack non-iterable NoneType object 
    6965  
    6966 TypeError: cannot unpack non-iterable NoneType object 
    6967  
    6968 File
    6969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6970 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    6971 etype, evalue, etraceback = exc_info 
    6972  
    6973 See log for complete Python traceback. 
    6974  
    6975 Traceback (most recent call last): 
    6976 File
    6977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6978 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6979 return self._func(self._name, data) 
    6980 File
    6981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6982 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    6983 if v.display: 
    6984 File
    6985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6986 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    6987 return self._any_displayed_positions and len(self._positions) > 0 
    6988 TypeError: object of type 'NoneType' has no len() 
    6989  
    6990 During handling of the above exception, another exception occurred: 
    6991  
    6992 Traceback (most recent call last): 
    6993 File
    6994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6995 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    6996 if not self.draw_new_frame(): 
    6997 File
    6998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    6999 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7000 changed = view.check_for_drawing_change() 
    7001 File
    7002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7003 packages/chimerax/core/graphics/view.py", line 252, in
    7004 check_for_drawing_change 
    7005 trig.activate_trigger('graphics update', self) 
    7006 File
    7007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7008 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7009 trigger.activate(data) 
    7010 File
    7011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7012 packages/chimerax/core/triggerset.py", line 190, in activate 
    7013 ret = handler.invoke(data, self._remove_bad_handlers) 
    7014 File
    7015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7016 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7017 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7018 File
    7019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7020 packages/chimerax/core/session.py", line 943, in <lambda> 
    7021 logger.report_exception(preface=preface)) 
    7022 File
    7023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7024 packages/chimerax/core/logger.py", line 421, in report_exception 
    7025 elif probably_chimera1_session(exc_info): 
    7026 File
    7027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7028 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7029 etype, evalue, etraceback = exc_info 
    7030 TypeError: cannot unpack non-iterable NoneType object 
    7031  
    7032 TypeError: cannot unpack non-iterable NoneType object 
    7033  
    7034 File
    7035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7036 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7037 etype, evalue, etraceback = exc_info 
    7038  
    7039 See log for complete Python traceback. 
    7040  
    7041 Traceback (most recent call last): 
    7042 File
    7043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7044 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7045 return self._func(self._name, data) 
    7046 File
    7047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7048 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7049 if v.display: 
    7050 File
    7051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7052 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7053 return self._any_displayed_positions and len(self._positions) > 0 
    7054 TypeError: object of type 'NoneType' has no len() 
    7055  
    7056 During handling of the above exception, another exception occurred: 
    7057  
    7058 Traceback (most recent call last): 
    7059 File
    7060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7061 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7062 if not self.draw_new_frame(): 
    7063 File
    7064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7065 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7066 changed = view.check_for_drawing_change() 
    7067 File
    7068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7069 packages/chimerax/core/graphics/view.py", line 252, in
    7070 check_for_drawing_change 
    7071 trig.activate_trigger('graphics update', self) 
    7072 File
    7073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7074 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7075 trigger.activate(data) 
    7076 File
    7077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7078 packages/chimerax/core/triggerset.py", line 190, in activate 
    7079 ret = handler.invoke(data, self._remove_bad_handlers) 
    7080 File
    7081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7082 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7083 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7084 File
    7085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7086 packages/chimerax/core/session.py", line 943, in <lambda> 
    7087 logger.report_exception(preface=preface)) 
    7088 File
    7089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7090 packages/chimerax/core/logger.py", line 421, in report_exception 
    7091 elif probably_chimera1_session(exc_info): 
    7092 File
    7093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7094 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7095 etype, evalue, etraceback = exc_info 
    7096 TypeError: cannot unpack non-iterable NoneType object 
    7097  
    7098 TypeError: cannot unpack non-iterable NoneType object 
    7099  
    7100 File
    7101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7102 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7103 etype, evalue, etraceback = exc_info 
    7104  
    7105 See log for complete Python traceback. 
    7106  
    7107 Traceback (most recent call last): 
    7108 File
    7109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7110 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7111 return self._func(self._name, data) 
    7112 File
    7113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7114 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7115 if v.display: 
    7116 File
    7117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7118 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7119 return self._any_displayed_positions and len(self._positions) > 0 
    7120 TypeError: object of type 'NoneType' has no len() 
    7121  
    7122 During handling of the above exception, another exception occurred: 
    7123  
    7124 Traceback (most recent call last): 
    7125 File
    7126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7127 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7128 if not self.draw_new_frame(): 
    7129 File
    7130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7131 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7132 changed = view.check_for_drawing_change() 
    7133 File
    7134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7135 packages/chimerax/core/graphics/view.py", line 252, in
    7136 check_for_drawing_change 
    7137 trig.activate_trigger('graphics update', self) 
    7138 File
    7139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7140 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7141 trigger.activate(data) 
    7142 File
    7143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7144 packages/chimerax/core/triggerset.py", line 190, in activate 
    7145 ret = handler.invoke(data, self._remove_bad_handlers) 
    7146 File
    7147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7148 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7149 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7150 File
    7151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7152 packages/chimerax/core/session.py", line 943, in <lambda> 
    7153 logger.report_exception(preface=preface)) 
    7154 File
    7155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7156 packages/chimerax/core/logger.py", line 421, in report_exception 
    7157 elif probably_chimera1_session(exc_info): 
    7158 File
    7159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7160 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7161 etype, evalue, etraceback = exc_info 
    7162 TypeError: cannot unpack non-iterable NoneType object 
    7163  
    7164 TypeError: cannot unpack non-iterable NoneType object 
    7165  
    7166 File
    7167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7168 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7169 etype, evalue, etraceback = exc_info 
    7170  
    7171 See log for complete Python traceback. 
    7172  
    7173 Traceback (most recent call last): 
    7174 File
    7175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7176 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7177 return self._func(self._name, data) 
    7178 File
    7179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7180 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7181 if v.display: 
    7182 File
    7183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7184 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7185 return self._any_displayed_positions and len(self._positions) > 0 
    7186 TypeError: object of type 'NoneType' has no len() 
    7187  
    7188 During handling of the above exception, another exception occurred: 
    7189  
    7190 Traceback (most recent call last): 
    7191 File
    7192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7193 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7194 if not self.draw_new_frame(): 
    7195 File
    7196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7197 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7198 changed = view.check_for_drawing_change() 
    7199 File
    7200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7201 packages/chimerax/core/graphics/view.py", line 252, in
    7202 check_for_drawing_change 
    7203 trig.activate_trigger('graphics update', self) 
    7204 File
    7205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7206 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7207 trigger.activate(data) 
    7208 File
    7209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7210 packages/chimerax/core/triggerset.py", line 190, in activate 
    7211 ret = handler.invoke(data, self._remove_bad_handlers) 
    7212 File
    7213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7214 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7215 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7216 File
    7217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7218 packages/chimerax/core/session.py", line 943, in <lambda> 
    7219 logger.report_exception(preface=preface)) 
    7220 File
    7221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7222 packages/chimerax/core/logger.py", line 421, in report_exception 
    7223 elif probably_chimera1_session(exc_info): 
    7224 File
    7225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7226 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7227 etype, evalue, etraceback = exc_info 
    7228 TypeError: cannot unpack non-iterable NoneType object 
    7229  
    7230 TypeError: cannot unpack non-iterable NoneType object 
    7231  
    7232 File
    7233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7234 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7235 etype, evalue, etraceback = exc_info 
    7236  
    7237 See log for complete Python traceback. 
    7238  
    7239 Traceback (most recent call last): 
    7240 File
    7241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7242 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7243 return self._func(self._name, data) 
    7244 File
    7245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7246 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7247 if v.display: 
    7248 File
    7249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7250 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7251 return self._any_displayed_positions and len(self._positions) > 0 
    7252 TypeError: object of type 'NoneType' has no len() 
    7253  
    7254 During handling of the above exception, another exception occurred: 
    7255  
    7256 Traceback (most recent call last): 
    7257 File
    7258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7259 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7260 if not self.draw_new_frame(): 
    7261 File
    7262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7263 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7264 changed = view.check_for_drawing_change() 
    7265 File
    7266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7267 packages/chimerax/core/graphics/view.py", line 252, in
    7268 check_for_drawing_change 
    7269 trig.activate_trigger('graphics update', self) 
    7270 File
    7271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7272 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7273 trigger.activate(data) 
    7274 File
    7275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7276 packages/chimerax/core/triggerset.py", line 190, in activate 
    7277 ret = handler.invoke(data, self._remove_bad_handlers) 
    7278 File
    7279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7280 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7281 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7282 File
    7283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7284 packages/chimerax/core/session.py", line 943, in <lambda> 
    7285 logger.report_exception(preface=preface)) 
    7286 File
    7287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7288 packages/chimerax/core/logger.py", line 421, in report_exception 
    7289 elif probably_chimera1_session(exc_info): 
    7290 File
    7291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7292 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7293 etype, evalue, etraceback = exc_info 
    7294 TypeError: cannot unpack non-iterable NoneType object 
    7295  
    7296 TypeError: cannot unpack non-iterable NoneType object 
    7297  
    7298 File
    7299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7300 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7301 etype, evalue, etraceback = exc_info 
    7302  
    7303 See log for complete Python traceback. 
    7304  
    7305 Traceback (most recent call last): 
    7306 File
    7307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7308 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7309 return self._func(self._name, data) 
    7310 File
    7311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7312 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7313 if v.display: 
    7314 File
    7315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7316 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7317 return self._any_displayed_positions and len(self._positions) > 0 
    7318 TypeError: object of type 'NoneType' has no len() 
    7319  
    7320 During handling of the above exception, another exception occurred: 
    7321  
    7322 Traceback (most recent call last): 
    7323 File
    7324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7325 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7326 if not self.draw_new_frame(): 
    7327 File
    7328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7329 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7330 changed = view.check_for_drawing_change() 
    7331 File
    7332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7333 packages/chimerax/core/graphics/view.py", line 252, in
    7334 check_for_drawing_change 
    7335 trig.activate_trigger('graphics update', self) 
    7336 File
    7337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7338 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7339 trigger.activate(data) 
    7340 File
    7341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7342 packages/chimerax/core/triggerset.py", line 190, in activate 
    7343 ret = handler.invoke(data, self._remove_bad_handlers) 
    7344 File
    7345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7346 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7347 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7348 File
    7349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7350 packages/chimerax/core/session.py", line 943, in <lambda> 
    7351 logger.report_exception(preface=preface)) 
    7352 File
    7353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7354 packages/chimerax/core/logger.py", line 421, in report_exception 
    7355 elif probably_chimera1_session(exc_info): 
    7356 File
    7357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7358 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7359 etype, evalue, etraceback = exc_info 
    7360 TypeError: cannot unpack non-iterable NoneType object 
    7361  
    7362 TypeError: cannot unpack non-iterable NoneType object 
    7363  
    7364 File
    7365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7366 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7367 etype, evalue, etraceback = exc_info 
    7368  
    7369 See log for complete Python traceback. 
    7370  
    7371 Traceback (most recent call last): 
    7372 File
    7373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7374 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7375 return self._func(self._name, data) 
    7376 File
    7377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7378 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7379 if v.display: 
    7380 File
    7381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7382 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7383 return self._any_displayed_positions and len(self._positions) > 0 
    7384 TypeError: object of type 'NoneType' has no len() 
    7385  
    7386 During handling of the above exception, another exception occurred: 
    7387  
    7388 Traceback (most recent call last): 
    7389 File
    7390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7391 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7392 if not self.draw_new_frame(): 
    7393 File
    7394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7395 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7396 changed = view.check_for_drawing_change() 
    7397 File
    7398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7399 packages/chimerax/core/graphics/view.py", line 252, in
    7400 check_for_drawing_change 
    7401 trig.activate_trigger('graphics update', self) 
    7402 File
    7403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7404 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7405 trigger.activate(data) 
    7406 File
    7407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7408 packages/chimerax/core/triggerset.py", line 190, in activate 
    7409 ret = handler.invoke(data, self._remove_bad_handlers) 
    7410 File
    7411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7412 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7413 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7414 File
    7415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7416 packages/chimerax/core/session.py", line 943, in <lambda> 
    7417 logger.report_exception(preface=preface)) 
    7418 File
    7419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7420 packages/chimerax/core/logger.py", line 421, in report_exception 
    7421 elif probably_chimera1_session(exc_info): 
    7422 File
    7423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7424 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7425 etype, evalue, etraceback = exc_info 
    7426 TypeError: cannot unpack non-iterable NoneType object 
    7427  
    7428 TypeError: cannot unpack non-iterable NoneType object 
    7429  
    7430 File
    7431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7432 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7433 etype, evalue, etraceback = exc_info 
    7434  
    7435 See log for complete Python traceback. 
    7436  
    7437 Traceback (most recent call last): 
    7438 File
    7439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7440 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7441 return self._func(self._name, data) 
    7442 File
    7443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7444 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7445 if v.display: 
    7446 File
    7447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7448 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7449 return self._any_displayed_positions and len(self._positions) > 0 
    7450 TypeError: object of type 'NoneType' has no len() 
    7451  
    7452 During handling of the above exception, another exception occurred: 
    7453  
    7454 Traceback (most recent call last): 
    7455 File
    7456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7457 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7458 if not self.draw_new_frame(): 
    7459 File
    7460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7461 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7462 changed = view.check_for_drawing_change() 
    7463 File
    7464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7465 packages/chimerax/core/graphics/view.py", line 252, in
    7466 check_for_drawing_change 
    7467 trig.activate_trigger('graphics update', self) 
    7468 File
    7469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7470 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7471 trigger.activate(data) 
    7472 File
    7473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7474 packages/chimerax/core/triggerset.py", line 190, in activate 
    7475 ret = handler.invoke(data, self._remove_bad_handlers) 
    7476 File
    7477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7478 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7479 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7480 File
    7481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7482 packages/chimerax/core/session.py", line 943, in <lambda> 
    7483 logger.report_exception(preface=preface)) 
    7484 File
    7485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7486 packages/chimerax/core/logger.py", line 421, in report_exception 
    7487 elif probably_chimera1_session(exc_info): 
    7488 File
    7489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7490 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7491 etype, evalue, etraceback = exc_info 
    7492 TypeError: cannot unpack non-iterable NoneType object 
    7493  
    7494 TypeError: cannot unpack non-iterable NoneType object 
    7495  
    7496 File
    7497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7498 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7499 etype, evalue, etraceback = exc_info 
    7500  
    7501 See log for complete Python traceback. 
    7502  
    7503 Traceback (most recent call last): 
    7504 File
    7505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7506 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7507 return self._func(self._name, data) 
    7508 File
    7509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7510 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7511 if v.display: 
    7512 File
    7513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7514 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7515 return self._any_displayed_positions and len(self._positions) > 0 
    7516 TypeError: object of type 'NoneType' has no len() 
    7517  
    7518 During handling of the above exception, another exception occurred: 
    7519  
    7520 Traceback (most recent call last): 
    7521 File
    7522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7523 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7524 if not self.draw_new_frame(): 
    7525 File
    7526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7527 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7528 changed = view.check_for_drawing_change() 
    7529 File
    7530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7531 packages/chimerax/core/graphics/view.py", line 252, in
    7532 check_for_drawing_change 
    7533 trig.activate_trigger('graphics update', self) 
    7534 File
    7535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7536 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7537 trigger.activate(data) 
    7538 File
    7539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7540 packages/chimerax/core/triggerset.py", line 190, in activate 
    7541 ret = handler.invoke(data, self._remove_bad_handlers) 
    7542 File
    7543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7544 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7545 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7546 File
    7547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7548 packages/chimerax/core/session.py", line 943, in <lambda> 
    7549 logger.report_exception(preface=preface)) 
    7550 File
    7551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7552 packages/chimerax/core/logger.py", line 421, in report_exception 
    7553 elif probably_chimera1_session(exc_info): 
    7554 File
    7555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7556 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7557 etype, evalue, etraceback = exc_info 
    7558 TypeError: cannot unpack non-iterable NoneType object 
    7559  
    7560 TypeError: cannot unpack non-iterable NoneType object 
    7561  
    7562 File
    7563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7564 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7565 etype, evalue, etraceback = exc_info 
    7566  
    7567 See log for complete Python traceback. 
    7568  
    7569 Traceback (most recent call last): 
    7570 File
    7571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7572 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7573 return self._func(self._name, data) 
    7574 File
    7575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7576 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7577 if v.display: 
    7578 File
    7579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7580 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7581 return self._any_displayed_positions and len(self._positions) > 0 
    7582 TypeError: object of type 'NoneType' has no len() 
    7583  
    7584 During handling of the above exception, another exception occurred: 
    7585  
    7586 Traceback (most recent call last): 
    7587 File
    7588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7589 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7590 if not self.draw_new_frame(): 
    7591 File
    7592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7593 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7594 changed = view.check_for_drawing_change() 
    7595 File
    7596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7597 packages/chimerax/core/graphics/view.py", line 252, in
    7598 check_for_drawing_change 
    7599 trig.activate_trigger('graphics update', self) 
    7600 File
    7601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7602 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7603 trigger.activate(data) 
    7604 File
    7605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7606 packages/chimerax/core/triggerset.py", line 190, in activate 
    7607 ret = handler.invoke(data, self._remove_bad_handlers) 
    7608 File
    7609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7610 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7611 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7612 File
    7613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7614 packages/chimerax/core/session.py", line 943, in <lambda> 
    7615 logger.report_exception(preface=preface)) 
    7616 File
    7617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7618 packages/chimerax/core/logger.py", line 421, in report_exception 
    7619 elif probably_chimera1_session(exc_info): 
    7620 File
    7621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7622 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7623 etype, evalue, etraceback = exc_info 
    7624 TypeError: cannot unpack non-iterable NoneType object 
    7625  
    7626 TypeError: cannot unpack non-iterable NoneType object 
    7627  
    7628 File
    7629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7630 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7631 etype, evalue, etraceback = exc_info 
    7632  
    7633 See log for complete Python traceback. 
    7634  
    7635 Traceback (most recent call last): 
    7636 File
    7637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7638 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7639 return self._func(self._name, data) 
    7640 File
    7641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7642 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7643 if v.display: 
    7644 File
    7645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7646 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7647 return self._any_displayed_positions and len(self._positions) > 0 
    7648 TypeError: object of type 'NoneType' has no len() 
    7649  
    7650 During handling of the above exception, another exception occurred: 
    7651  
    7652 Traceback (most recent call last): 
    7653 File
    7654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7655 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7656 if not self.draw_new_frame(): 
    7657 File
    7658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7659 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7660 changed = view.check_for_drawing_change() 
    7661 File
    7662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7663 packages/chimerax/core/graphics/view.py", line 252, in
    7664 check_for_drawing_change 
    7665 trig.activate_trigger('graphics update', self) 
    7666 File
    7667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7668 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7669 trigger.activate(data) 
    7670 File
    7671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7672 packages/chimerax/core/triggerset.py", line 190, in activate 
    7673 ret = handler.invoke(data, self._remove_bad_handlers) 
    7674 File
    7675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7676 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7677 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7678 File
    7679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7680 packages/chimerax/core/session.py", line 943, in <lambda> 
    7681 logger.report_exception(preface=preface)) 
    7682 File
    7683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7684 packages/chimerax/core/logger.py", line 421, in report_exception 
    7685 elif probably_chimera1_session(exc_info): 
    7686 File
    7687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7688 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7689 etype, evalue, etraceback = exc_info 
    7690 TypeError: cannot unpack non-iterable NoneType object 
    7691  
    7692 TypeError: cannot unpack non-iterable NoneType object 
    7693  
    7694 File
    7695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7696 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7697 etype, evalue, etraceback = exc_info 
    7698  
    7699 See log for complete Python traceback. 
    7700  
    7701 Traceback (most recent call last): 
    7702 File
    7703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7704 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7705 return self._func(self._name, data) 
    7706 File
    7707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7708 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7709 if v.display: 
    7710 File
    7711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7712 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7713 return self._any_displayed_positions and len(self._positions) > 0 
    7714 TypeError: object of type 'NoneType' has no len() 
    7715  
    7716 During handling of the above exception, another exception occurred: 
    7717  
    7718 Traceback (most recent call last): 
    7719 File
    7720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7721 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7722 if not self.draw_new_frame(): 
    7723 File
    7724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7725 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7726 changed = view.check_for_drawing_change() 
    7727 File
    7728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7729 packages/chimerax/core/graphics/view.py", line 252, in
    7730 check_for_drawing_change 
    7731 trig.activate_trigger('graphics update', self) 
    7732 File
    7733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7734 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7735 trigger.activate(data) 
    7736 File
    7737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7738 packages/chimerax/core/triggerset.py", line 190, in activate 
    7739 ret = handler.invoke(data, self._remove_bad_handlers) 
    7740 File
    7741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7742 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7743 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7744 File
    7745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7746 packages/chimerax/core/session.py", line 943, in <lambda> 
    7747 logger.report_exception(preface=preface)) 
    7748 File
    7749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7750 packages/chimerax/core/logger.py", line 421, in report_exception 
    7751 elif probably_chimera1_session(exc_info): 
    7752 File
    7753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7754 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7755 etype, evalue, etraceback = exc_info 
    7756 TypeError: cannot unpack non-iterable NoneType object 
    7757  
    7758 TypeError: cannot unpack non-iterable NoneType object 
    7759  
    7760 File
    7761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7762 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7763 etype, evalue, etraceback = exc_info 
    7764  
    7765 See log for complete Python traceback. 
    7766  
    7767 Traceback (most recent call last): 
    7768 File
    7769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7770 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7771 return self._func(self._name, data) 
    7772 File
    7773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7774 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7775 if v.display: 
    7776 File
    7777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7778 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7779 return self._any_displayed_positions and len(self._positions) > 0 
    7780 TypeError: object of type 'NoneType' has no len() 
    7781  
    7782 During handling of the above exception, another exception occurred: 
    7783  
    7784 Traceback (most recent call last): 
    7785 File
    7786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7787 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7788 if not self.draw_new_frame(): 
    7789 File
    7790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7791 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7792 changed = view.check_for_drawing_change() 
    7793 File
    7794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7795 packages/chimerax/core/graphics/view.py", line 252, in
    7796 check_for_drawing_change 
    7797 trig.activate_trigger('graphics update', self) 
    7798 File
    7799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7800 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7801 trigger.activate(data) 
    7802 File
    7803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7804 packages/chimerax/core/triggerset.py", line 190, in activate 
    7805 ret = handler.invoke(data, self._remove_bad_handlers) 
    7806 File
    7807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7808 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7809 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7810 File
    7811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7812 packages/chimerax/core/session.py", line 943, in <lambda> 
    7813 logger.report_exception(preface=preface)) 
    7814 File
    7815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7816 packages/chimerax/core/logger.py", line 421, in report_exception 
    7817 elif probably_chimera1_session(exc_info): 
    7818 File
    7819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7820 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7821 etype, evalue, etraceback = exc_info 
    7822 TypeError: cannot unpack non-iterable NoneType object 
    7823  
    7824 TypeError: cannot unpack non-iterable NoneType object 
    7825  
    7826 File
    7827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7828 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7829 etype, evalue, etraceback = exc_info 
    7830  
    7831 See log for complete Python traceback. 
    7832  
    7833 Traceback (most recent call last): 
    7834 File
    7835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7836 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7837 return self._func(self._name, data) 
    7838 File
    7839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7840 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7841 if v.display: 
    7842 File
    7843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7844 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7845 return self._any_displayed_positions and len(self._positions) > 0 
    7846 TypeError: object of type 'NoneType' has no len() 
    7847  
    7848 During handling of the above exception, another exception occurred: 
    7849  
    7850 Traceback (most recent call last): 
    7851 File
    7852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7853 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7854 if not self.draw_new_frame(): 
    7855 File
    7856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7857 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7858 changed = view.check_for_drawing_change() 
    7859 File
    7860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7861 packages/chimerax/core/graphics/view.py", line 252, in
    7862 check_for_drawing_change 
    7863 trig.activate_trigger('graphics update', self) 
    7864 File
    7865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7866 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7867 trigger.activate(data) 
    7868 File
    7869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7870 packages/chimerax/core/triggerset.py", line 190, in activate 
    7871 ret = handler.invoke(data, self._remove_bad_handlers) 
    7872 File
    7873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7874 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7875 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7876 File
    7877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7878 packages/chimerax/core/session.py", line 943, in <lambda> 
    7879 logger.report_exception(preface=preface)) 
    7880 File
    7881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7882 packages/chimerax/core/logger.py", line 421, in report_exception 
    7883 elif probably_chimera1_session(exc_info): 
    7884 File
    7885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7886 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7887 etype, evalue, etraceback = exc_info 
    7888 TypeError: cannot unpack non-iterable NoneType object 
    7889  
    7890 TypeError: cannot unpack non-iterable NoneType object 
    7891  
    7892 File
    7893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7894 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7895 etype, evalue, etraceback = exc_info 
    7896  
    7897 See log for complete Python traceback. 
    7898  
    7899 Traceback (most recent call last): 
    7900 File
    7901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7902 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7903 return self._func(self._name, data) 
    7904 File
    7905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7906 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7907 if v.display: 
    7908 File
    7909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7910 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7911 return self._any_displayed_positions and len(self._positions) > 0 
    7912 TypeError: object of type 'NoneType' has no len() 
    7913  
    7914 During handling of the above exception, another exception occurred: 
    7915  
    7916 Traceback (most recent call last): 
    7917 File
    7918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7919 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7920 if not self.draw_new_frame(): 
    7921 File
    7922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7923 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7924 changed = view.check_for_drawing_change() 
    7925 File
    7926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7927 packages/chimerax/core/graphics/view.py", line 252, in
    7928 check_for_drawing_change 
    7929 trig.activate_trigger('graphics update', self) 
    7930 File
    7931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7932 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7933 trigger.activate(data) 
    7934 File
    7935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7936 packages/chimerax/core/triggerset.py", line 190, in activate 
    7937 ret = handler.invoke(data, self._remove_bad_handlers) 
    7938 File
    7939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7940 packages/chimerax/core/triggerset.py", line 132, in invoke 
    7941 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    7942 File
    7943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7944 packages/chimerax/core/session.py", line 943, in <lambda> 
    7945 logger.report_exception(preface=preface)) 
    7946 File
    7947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7948 packages/chimerax/core/logger.py", line 421, in report_exception 
    7949 elif probably_chimera1_session(exc_info): 
    7950 File
    7951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7952 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7953 etype, evalue, etraceback = exc_info 
    7954 TypeError: cannot unpack non-iterable NoneType object 
    7955  
    7956 TypeError: cannot unpack non-iterable NoneType object 
    7957  
    7958 File
    7959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7960 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    7961 etype, evalue, etraceback = exc_info 
    7962  
    7963 See log for complete Python traceback. 
    7964  
    7965 Traceback (most recent call last): 
    7966 File
    7967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7969 return self._func(self._name, data) 
    7970 File
    7971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7972 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    7973 if v.display: 
    7974 File
    7975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7976 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    7977 return self._any_displayed_positions and len(self._positions) > 0 
    7978 TypeError: object of type 'NoneType' has no len() 
    7979  
    7980 During handling of the above exception, another exception occurred: 
    7981  
    7982 Traceback (most recent call last): 
    7983 File
    7984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7985 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    7986 if not self.draw_new_frame(): 
    7987 File
    7988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7989 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    7990 changed = view.check_for_drawing_change() 
    7991 File
    7992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7993 packages/chimerax/core/graphics/view.py", line 252, in
    7994 check_for_drawing_change 
    7995 trig.activate_trigger('graphics update', self) 
    7996 File
    7997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    7998 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    7999 trigger.activate(data) 
    8000 File
    8001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8002 packages/chimerax/core/triggerset.py", line 190, in activate 
    8003 ret = handler.invoke(data, self._remove_bad_handlers) 
    8004 File
    8005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8006 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8007 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8008 File
    8009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8010 packages/chimerax/core/session.py", line 943, in <lambda> 
    8011 logger.report_exception(preface=preface)) 
    8012 File
    8013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8014 packages/chimerax/core/logger.py", line 421, in report_exception 
    8015 elif probably_chimera1_session(exc_info): 
    8016 File
    8017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8018 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8019 etype, evalue, etraceback = exc_info 
    8020 TypeError: cannot unpack non-iterable NoneType object 
    8021  
    8022 TypeError: cannot unpack non-iterable NoneType object 
    8023  
    8024 File
    8025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8026 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8027 etype, evalue, etraceback = exc_info 
    8028  
    8029 See log for complete Python traceback. 
    8030  
    8031 Traceback (most recent call last): 
    8032 File
    8033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8034 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8035 return self._func(self._name, data) 
    8036 File
    8037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8038 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8039 if v.display: 
    8040 File
    8041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8042 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8043 return self._any_displayed_positions and len(self._positions) > 0 
    8044 TypeError: object of type 'NoneType' has no len() 
    8045  
    8046 During handling of the above exception, another exception occurred: 
    8047  
    8048 Traceback (most recent call last): 
    8049 File
    8050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8051 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8052 if not self.draw_new_frame(): 
    8053 File
    8054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8055 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8056 changed = view.check_for_drawing_change() 
    8057 File
    8058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8059 packages/chimerax/core/graphics/view.py", line 252, in
    8060 check_for_drawing_change 
    8061 trig.activate_trigger('graphics update', self) 
    8062 File
    8063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8064 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8065 trigger.activate(data) 
    8066 File
    8067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8068 packages/chimerax/core/triggerset.py", line 190, in activate 
    8069 ret = handler.invoke(data, self._remove_bad_handlers) 
    8070 File
    8071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8072 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8073 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8074 File
    8075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8076 packages/chimerax/core/session.py", line 943, in <lambda> 
    8077 logger.report_exception(preface=preface)) 
    8078 File
    8079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8080 packages/chimerax/core/logger.py", line 421, in report_exception 
    8081 elif probably_chimera1_session(exc_info): 
    8082 File
    8083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8084 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8085 etype, evalue, etraceback = exc_info 
    8086 TypeError: cannot unpack non-iterable NoneType object 
    8087  
    8088 TypeError: cannot unpack non-iterable NoneType object 
    8089  
    8090 File
    8091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8092 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8093 etype, evalue, etraceback = exc_info 
    8094  
    8095 See log for complete Python traceback. 
    8096  
    8097 Traceback (most recent call last): 
    8098 File
    8099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8100 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8101 return self._func(self._name, data) 
    8102 File
    8103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8104 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8105 if v.display: 
    8106 File
    8107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8108 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8109 return self._any_displayed_positions and len(self._positions) > 0 
    8110 TypeError: object of type 'NoneType' has no len() 
    8111  
    8112 During handling of the above exception, another exception occurred: 
    8113  
    8114 Traceback (most recent call last): 
    8115 File
    8116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8117 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8118 if not self.draw_new_frame(): 
    8119 File
    8120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8121 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8122 changed = view.check_for_drawing_change() 
    8123 File
    8124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8125 packages/chimerax/core/graphics/view.py", line 252, in
    8126 check_for_drawing_change 
    8127 trig.activate_trigger('graphics update', self) 
    8128 File
    8129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8130 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8131 trigger.activate(data) 
    8132 File
    8133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8134 packages/chimerax/core/triggerset.py", line 190, in activate 
    8135 ret = handler.invoke(data, self._remove_bad_handlers) 
    8136 File
    8137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8138 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8139 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8140 File
    8141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8142 packages/chimerax/core/session.py", line 943, in <lambda> 
    8143 logger.report_exception(preface=preface)) 
    8144 File
    8145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8146 packages/chimerax/core/logger.py", line 421, in report_exception 
    8147 elif probably_chimera1_session(exc_info): 
    8148 File
    8149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8150 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8151 etype, evalue, etraceback = exc_info 
    8152 TypeError: cannot unpack non-iterable NoneType object 
    8153  
    8154 TypeError: cannot unpack non-iterable NoneType object 
    8155  
    8156 File
    8157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8158 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8159 etype, evalue, etraceback = exc_info 
    8160  
    8161 See log for complete Python traceback. 
    8162  
    8163 Traceback (most recent call last): 
    8164 File
    8165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8166 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8167 return self._func(self._name, data) 
    8168 File
    8169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8170 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8171 if v.display: 
    8172 File
    8173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8174 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8175 return self._any_displayed_positions and len(self._positions) > 0 
    8176 TypeError: object of type 'NoneType' has no len() 
    8177  
    8178 During handling of the above exception, another exception occurred: 
    8179  
    8180 Traceback (most recent call last): 
    8181 File
    8182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8183 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8184 if not self.draw_new_frame(): 
    8185 File
    8186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8187 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8188 changed = view.check_for_drawing_change() 
    8189 File
    8190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8191 packages/chimerax/core/graphics/view.py", line 252, in
    8192 check_for_drawing_change 
    8193 trig.activate_trigger('graphics update', self) 
    8194 File
    8195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8196 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8197 trigger.activate(data) 
    8198 File
    8199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8200 packages/chimerax/core/triggerset.py", line 190, in activate 
    8201 ret = handler.invoke(data, self._remove_bad_handlers) 
    8202 File
    8203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8204 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8205 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8206 File
    8207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8208 packages/chimerax/core/session.py", line 943, in <lambda> 
    8209 logger.report_exception(preface=preface)) 
    8210 File
    8211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8212 packages/chimerax/core/logger.py", line 421, in report_exception 
    8213 elif probably_chimera1_session(exc_info): 
    8214 File
    8215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8216 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8217 etype, evalue, etraceback = exc_info 
    8218 TypeError: cannot unpack non-iterable NoneType object 
    8219  
    8220 TypeError: cannot unpack non-iterable NoneType object 
    8221  
    8222 File
    8223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8224 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8225 etype, evalue, etraceback = exc_info 
    8226  
    8227 See log for complete Python traceback. 
    8228  
    8229 Traceback (most recent call last): 
    8230 File
    8231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8232 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8233 return self._func(self._name, data) 
    8234 File
    8235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8236 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8237 if v.display: 
    8238 File
    8239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8240 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8241 return self._any_displayed_positions and len(self._positions) > 0 
    8242 TypeError: object of type 'NoneType' has no len() 
    8243  
    8244 During handling of the above exception, another exception occurred: 
    8245  
    8246 Traceback (most recent call last): 
    8247 File
    8248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8249 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8250 if not self.draw_new_frame(): 
    8251 File
    8252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8253 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8254 changed = view.check_for_drawing_change() 
    8255 File
    8256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8257 packages/chimerax/core/graphics/view.py", line 252, in
    8258 check_for_drawing_change 
    8259 trig.activate_trigger('graphics update', self) 
    8260 File
    8261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8262 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8263 trigger.activate(data) 
    8264 File
    8265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8266 packages/chimerax/core/triggerset.py", line 190, in activate 
    8267 ret = handler.invoke(data, self._remove_bad_handlers) 
    8268 File
    8269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8270 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8271 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8272 File
    8273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8274 packages/chimerax/core/session.py", line 943, in <lambda> 
    8275 logger.report_exception(preface=preface)) 
    8276 File
    8277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8278 packages/chimerax/core/logger.py", line 421, in report_exception 
    8279 elif probably_chimera1_session(exc_info): 
    8280 File
    8281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8282 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8283 etype, evalue, etraceback = exc_info 
    8284 TypeError: cannot unpack non-iterable NoneType object 
    8285  
    8286 TypeError: cannot unpack non-iterable NoneType object 
    8287  
    8288 File
    8289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8290 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8291 etype, evalue, etraceback = exc_info 
    8292  
    8293 See log for complete Python traceback. 
    8294  
    8295 Traceback (most recent call last): 
    8296 File
    8297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8298 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8299 return self._func(self._name, data) 
    8300 File
    8301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8302 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8303 if v.display: 
    8304 File
    8305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8306 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8307 return self._any_displayed_positions and len(self._positions) > 0 
    8308 TypeError: object of type 'NoneType' has no len() 
    8309  
    8310 During handling of the above exception, another exception occurred: 
    8311  
    8312 Traceback (most recent call last): 
    8313 File
    8314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8315 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8316 if not self.draw_new_frame(): 
    8317 File
    8318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8319 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8320 changed = view.check_for_drawing_change() 
    8321 File
    8322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8323 packages/chimerax/core/graphics/view.py", line 252, in
    8324 check_for_drawing_change 
    8325 trig.activate_trigger('graphics update', self) 
    8326 File
    8327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8328 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8329 trigger.activate(data) 
    8330 File
    8331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8332 packages/chimerax/core/triggerset.py", line 190, in activate 
    8333 ret = handler.invoke(data, self._remove_bad_handlers) 
    8334 File
    8335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8336 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8337 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8338 File
    8339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8340 packages/chimerax/core/session.py", line 943, in <lambda> 
    8341 logger.report_exception(preface=preface)) 
    8342 File
    8343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8344 packages/chimerax/core/logger.py", line 421, in report_exception 
    8345 elif probably_chimera1_session(exc_info): 
    8346 File
    8347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8348 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8349 etype, evalue, etraceback = exc_info 
    8350 TypeError: cannot unpack non-iterable NoneType object 
    8351  
    8352 TypeError: cannot unpack non-iterable NoneType object 
    8353  
    8354 File
    8355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8356 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8357 etype, evalue, etraceback = exc_info 
    8358  
    8359 See log for complete Python traceback. 
    8360  
    8361 Traceback (most recent call last): 
    8362 File
    8363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8364 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8365 return self._func(self._name, data) 
    8366 File
    8367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8368 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8369 if v.display: 
    8370 File
    8371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8372 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8373 return self._any_displayed_positions and len(self._positions) > 0 
    8374 TypeError: object of type 'NoneType' has no len() 
    8375  
    8376 During handling of the above exception, another exception occurred: 
    8377  
    8378 Traceback (most recent call last): 
    8379 File
    8380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8381 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8382 if not self.draw_new_frame(): 
    8383 File
    8384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8385 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8386 changed = view.check_for_drawing_change() 
    8387 File
    8388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8389 packages/chimerax/core/graphics/view.py", line 252, in
    8390 check_for_drawing_change 
    8391 trig.activate_trigger('graphics update', self) 
    8392 File
    8393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8394 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8395 trigger.activate(data) 
    8396 File
    8397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8398 packages/chimerax/core/triggerset.py", line 190, in activate 
    8399 ret = handler.invoke(data, self._remove_bad_handlers) 
    8400 File
    8401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8402 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8403 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8404 File
    8405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8406 packages/chimerax/core/session.py", line 943, in <lambda> 
    8407 logger.report_exception(preface=preface)) 
    8408 File
    8409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8410 packages/chimerax/core/logger.py", line 421, in report_exception 
    8411 elif probably_chimera1_session(exc_info): 
    8412 File
    8413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8414 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8415 etype, evalue, etraceback = exc_info 
    8416 TypeError: cannot unpack non-iterable NoneType object 
    8417  
    8418 TypeError: cannot unpack non-iterable NoneType object 
    8419  
    8420 File
    8421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8422 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8423 etype, evalue, etraceback = exc_info 
    8424  
    8425 See log for complete Python traceback. 
    8426  
    8427 Traceback (most recent call last): 
    8428 File
    8429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8430 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8431 return self._func(self._name, data) 
    8432 File
    8433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8434 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8435 if v.display: 
    8436 File
    8437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8438 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8439 return self._any_displayed_positions and len(self._positions) > 0 
    8440 TypeError: object of type 'NoneType' has no len() 
    8441  
    8442 During handling of the above exception, another exception occurred: 
    8443  
    8444 Traceback (most recent call last): 
    8445 File
    8446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8447 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8448 if not self.draw_new_frame(): 
    8449 File
    8450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8451 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8452 changed = view.check_for_drawing_change() 
    8453 File
    8454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8455 packages/chimerax/core/graphics/view.py", line 252, in
    8456 check_for_drawing_change 
    8457 trig.activate_trigger('graphics update', self) 
    8458 File
    8459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8460 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8461 trigger.activate(data) 
    8462 File
    8463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8464 packages/chimerax/core/triggerset.py", line 190, in activate 
    8465 ret = handler.invoke(data, self._remove_bad_handlers) 
    8466 File
    8467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8468 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8469 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8470 File
    8471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8472 packages/chimerax/core/session.py", line 943, in <lambda> 
    8473 logger.report_exception(preface=preface)) 
    8474 File
    8475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8476 packages/chimerax/core/logger.py", line 421, in report_exception 
    8477 elif probably_chimera1_session(exc_info): 
    8478 File
    8479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8480 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8481 etype, evalue, etraceback = exc_info 
    8482 TypeError: cannot unpack non-iterable NoneType object 
    8483  
    8484 TypeError: cannot unpack non-iterable NoneType object 
    8485  
    8486 File
    8487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8488 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8489 etype, evalue, etraceback = exc_info 
    8490  
    8491 See log for complete Python traceback. 
    8492  
    8493 Traceback (most recent call last): 
    8494 File
    8495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8496 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8497 return self._func(self._name, data) 
    8498 File
    8499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8500 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8501 if v.display: 
    8502 File
    8503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8504 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8505 return self._any_displayed_positions and len(self._positions) > 0 
    8506 TypeError: object of type 'NoneType' has no len() 
    8507  
    8508 During handling of the above exception, another exception occurred: 
    8509  
    8510 Traceback (most recent call last): 
    8511 File
    8512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8513 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8514 if not self.draw_new_frame(): 
    8515 File
    8516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8517 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8518 changed = view.check_for_drawing_change() 
    8519 File
    8520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8521 packages/chimerax/core/graphics/view.py", line 252, in
    8522 check_for_drawing_change 
    8523 trig.activate_trigger('graphics update', self) 
    8524 File
    8525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8526 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8527 trigger.activate(data) 
    8528 File
    8529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8530 packages/chimerax/core/triggerset.py", line 190, in activate 
    8531 ret = handler.invoke(data, self._remove_bad_handlers) 
    8532 File
    8533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8534 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8535 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8536 File
    8537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8538 packages/chimerax/core/session.py", line 943, in <lambda> 
    8539 logger.report_exception(preface=preface)) 
    8540 File
    8541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8542 packages/chimerax/core/logger.py", line 421, in report_exception 
    8543 elif probably_chimera1_session(exc_info): 
    8544 File
    8545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8546 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8547 etype, evalue, etraceback = exc_info 
    8548 TypeError: cannot unpack non-iterable NoneType object 
    8549  
    8550 TypeError: cannot unpack non-iterable NoneType object 
    8551  
    8552 File
    8553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8554 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8555 etype, evalue, etraceback = exc_info 
    8556  
    8557 See log for complete Python traceback. 
    8558  
    8559 Traceback (most recent call last): 
    8560 File
    8561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8562 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8563 return self._func(self._name, data) 
    8564 File
    8565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8566 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8567 if v.display: 
    8568 File
    8569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8570 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8571 return self._any_displayed_positions and len(self._positions) > 0 
    8572 TypeError: object of type 'NoneType' has no len() 
    8573  
    8574 During handling of the above exception, another exception occurred: 
    8575  
    8576 Traceback (most recent call last): 
    8577 File
    8578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8579 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8580 if not self.draw_new_frame(): 
    8581 File
    8582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8583 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8584 changed = view.check_for_drawing_change() 
    8585 File
    8586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8587 packages/chimerax/core/graphics/view.py", line 252, in
    8588 check_for_drawing_change 
    8589 trig.activate_trigger('graphics update', self) 
    8590 File
    8591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8592 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8593 trigger.activate(data) 
    8594 File
    8595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8596 packages/chimerax/core/triggerset.py", line 190, in activate 
    8597 ret = handler.invoke(data, self._remove_bad_handlers) 
    8598 File
    8599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8600 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8601 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8602 File
    8603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8604 packages/chimerax/core/session.py", line 943, in <lambda> 
    8605 logger.report_exception(preface=preface)) 
    8606 File
    8607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8608 packages/chimerax/core/logger.py", line 421, in report_exception 
    8609 elif probably_chimera1_session(exc_info): 
    8610 File
    8611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8612 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8613 etype, evalue, etraceback = exc_info 
    8614 TypeError: cannot unpack non-iterable NoneType object 
    8615  
    8616 TypeError: cannot unpack non-iterable NoneType object 
    8617  
    8618 File
    8619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8620 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8621 etype, evalue, etraceback = exc_info 
    8622  
    8623 See log for complete Python traceback. 
    8624  
    8625 Traceback (most recent call last): 
    8626 File
    8627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8628 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8629 return self._func(self._name, data) 
    8630 File
    8631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8632 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8633 if v.display: 
    8634 File
    8635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8636 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8637 return self._any_displayed_positions and len(self._positions) > 0 
    8638 TypeError: object of type 'NoneType' has no len() 
    8639  
    8640 During handling of the above exception, another exception occurred: 
    8641  
    8642 Traceback (most recent call last): 
    8643 File
    8644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8645 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8646 if not self.draw_new_frame(): 
    8647 File
    8648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8649 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8650 changed = view.check_for_drawing_change() 
    8651 File
    8652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8653 packages/chimerax/core/graphics/view.py", line 252, in
    8654 check_for_drawing_change 
    8655 trig.activate_trigger('graphics update', self) 
    8656 File
    8657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8658 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8659 trigger.activate(data) 
    8660 File
    8661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8662 packages/chimerax/core/triggerset.py", line 190, in activate 
    8663 ret = handler.invoke(data, self._remove_bad_handlers) 
    8664 File
    8665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8666 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8667 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8668 File
    8669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8670 packages/chimerax/core/session.py", line 943, in <lambda> 
    8671 logger.report_exception(preface=preface)) 
    8672 File
    8673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8674 packages/chimerax/core/logger.py", line 421, in report_exception 
    8675 elif probably_chimera1_session(exc_info): 
    8676 File
    8677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8678 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8679 etype, evalue, etraceback = exc_info 
    8680 TypeError: cannot unpack non-iterable NoneType object 
    8681  
    8682 TypeError: cannot unpack non-iterable NoneType object 
    8683  
    8684 File
    8685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8686 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8687 etype, evalue, etraceback = exc_info 
    8688  
    8689 See log for complete Python traceback. 
    8690  
    8691 Traceback (most recent call last): 
    8692 File
    8693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8694 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8695 return self._func(self._name, data) 
    8696 File
    8697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8698 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8699 if v.display: 
    8700 File
    8701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8702 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8703 return self._any_displayed_positions and len(self._positions) > 0 
    8704 TypeError: object of type 'NoneType' has no len() 
    8705  
    8706 During handling of the above exception, another exception occurred: 
    8707  
    8708 Traceback (most recent call last): 
    8709 File
    8710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8711 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8712 if not self.draw_new_frame(): 
    8713 File
    8714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8715 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8716 changed = view.check_for_drawing_change() 
    8717 File
    8718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8719 packages/chimerax/core/graphics/view.py", line 252, in
    8720 check_for_drawing_change 
    8721 trig.activate_trigger('graphics update', self) 
    8722 File
    8723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8724 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8725 trigger.activate(data) 
    8726 File
    8727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8728 packages/chimerax/core/triggerset.py", line 190, in activate 
    8729 ret = handler.invoke(data, self._remove_bad_handlers) 
    8730 File
    8731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8732 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8733 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8734 File
    8735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8736 packages/chimerax/core/session.py", line 943, in <lambda> 
    8737 logger.report_exception(preface=preface)) 
    8738 File
    8739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8740 packages/chimerax/core/logger.py", line 421, in report_exception 
    8741 elif probably_chimera1_session(exc_info): 
    8742 File
    8743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8744 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8745 etype, evalue, etraceback = exc_info 
    8746 TypeError: cannot unpack non-iterable NoneType object 
    8747  
    8748 TypeError: cannot unpack non-iterable NoneType object 
    8749  
    8750 File
    8751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8752 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8753 etype, evalue, etraceback = exc_info 
    8754  
    8755 See log for complete Python traceback. 
    8756  
    8757 Traceback (most recent call last): 
    8758 File
    8759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8760 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8761 return self._func(self._name, data) 
    8762 File
    8763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8764 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8765 if v.display: 
    8766 File
    8767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8768 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8769 return self._any_displayed_positions and len(self._positions) > 0 
    8770 TypeError: object of type 'NoneType' has no len() 
    8771  
    8772 During handling of the above exception, another exception occurred: 
    8773  
    8774 Traceback (most recent call last): 
    8775 File
    8776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8777 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8778 if not self.draw_new_frame(): 
    8779 File
    8780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8781 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8782 changed = view.check_for_drawing_change() 
    8783 File
    8784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8785 packages/chimerax/core/graphics/view.py", line 252, in
    8786 check_for_drawing_change 
    8787 trig.activate_trigger('graphics update', self) 
    8788 File
    8789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8790 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8791 trigger.activate(data) 
    8792 File
    8793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8794 packages/chimerax/core/triggerset.py", line 190, in activate 
    8795 ret = handler.invoke(data, self._remove_bad_handlers) 
    8796 File
    8797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8798 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8799 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8800 File
    8801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8802 packages/chimerax/core/session.py", line 943, in <lambda> 
    8803 logger.report_exception(preface=preface)) 
    8804 File
    8805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8806 packages/chimerax/core/logger.py", line 421, in report_exception 
    8807 elif probably_chimera1_session(exc_info): 
    8808 File
    8809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8810 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8811 etype, evalue, etraceback = exc_info 
    8812 TypeError: cannot unpack non-iterable NoneType object 
    8813  
    8814 TypeError: cannot unpack non-iterable NoneType object 
    8815  
    8816 File
    8817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8818 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8819 etype, evalue, etraceback = exc_info 
    8820  
    8821 See log for complete Python traceback. 
    8822  
    8823 Traceback (most recent call last): 
    8824 File
    8825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8826 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8827 return self._func(self._name, data) 
    8828 File
    8829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8830 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8831 if v.display: 
    8832 File
    8833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8834 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8835 return self._any_displayed_positions and len(self._positions) > 0 
    8836 TypeError: object of type 'NoneType' has no len() 
    8837  
    8838 During handling of the above exception, another exception occurred: 
    8839  
    8840 Traceback (most recent call last): 
    8841 File
    8842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8843 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8844 if not self.draw_new_frame(): 
    8845 File
    8846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8847 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8848 changed = view.check_for_drawing_change() 
    8849 File
    8850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8851 packages/chimerax/core/graphics/view.py", line 252, in
    8852 check_for_drawing_change 
    8853 trig.activate_trigger('graphics update', self) 
    8854 File
    8855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8856 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8857 trigger.activate(data) 
    8858 File
    8859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8860 packages/chimerax/core/triggerset.py", line 190, in activate 
    8861 ret = handler.invoke(data, self._remove_bad_handlers) 
    8862 File
    8863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8864 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8865 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8866 File
    8867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8868 packages/chimerax/core/session.py", line 943, in <lambda> 
    8869 logger.report_exception(preface=preface)) 
    8870 File
    8871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8872 packages/chimerax/core/logger.py", line 421, in report_exception 
    8873 elif probably_chimera1_session(exc_info): 
    8874 File
    8875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8876 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8877 etype, evalue, etraceback = exc_info 
    8878 TypeError: cannot unpack non-iterable NoneType object 
    8879  
    8880 TypeError: cannot unpack non-iterable NoneType object 
    8881  
    8882 File
    8883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8884 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8885 etype, evalue, etraceback = exc_info 
    8886  
    8887 See log for complete Python traceback. 
    8888  
    8889 Traceback (most recent call last): 
    8890 File
    8891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8892 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8893 return self._func(self._name, data) 
    8894 File
    8895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8896 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8897 if v.display: 
    8898 File
    8899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8900 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8901 return self._any_displayed_positions and len(self._positions) > 0 
    8902 TypeError: object of type 'NoneType' has no len() 
    8903  
    8904 During handling of the above exception, another exception occurred: 
    8905  
    8906 Traceback (most recent call last): 
    8907 File
    8908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8909 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8910 if not self.draw_new_frame(): 
    8911 File
    8912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8913 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8914 changed = view.check_for_drawing_change() 
    8915 File
    8916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8917 packages/chimerax/core/graphics/view.py", line 252, in
    8918 check_for_drawing_change 
    8919 trig.activate_trigger('graphics update', self) 
    8920 File
    8921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8922 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8923 trigger.activate(data) 
    8924 File
    8925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8926 packages/chimerax/core/triggerset.py", line 190, in activate 
    8927 ret = handler.invoke(data, self._remove_bad_handlers) 
    8928 File
    8929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8930 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8931 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8932 File
    8933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8934 packages/chimerax/core/session.py", line 943, in <lambda> 
    8935 logger.report_exception(preface=preface)) 
    8936 File
    8937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8938 packages/chimerax/core/logger.py", line 421, in report_exception 
    8939 elif probably_chimera1_session(exc_info): 
    8940 File
    8941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8942 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8943 etype, evalue, etraceback = exc_info 
    8944 TypeError: cannot unpack non-iterable NoneType object 
    8945  
    8946 TypeError: cannot unpack non-iterable NoneType object 
    8947  
    8948 File
    8949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8950 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    8951 etype, evalue, etraceback = exc_info 
    8952  
    8953 See log for complete Python traceback. 
    8954  
    8955 Traceback (most recent call last): 
    8956 File
    8957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8958 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8959 return self._func(self._name, data) 
    8960 File
    8961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8962 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    8963 if v.display: 
    8964 File
    8965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8966 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    8967 return self._any_displayed_positions and len(self._positions) > 0 
    8968 TypeError: object of type 'NoneType' has no len() 
    8969  
    8970 During handling of the above exception, another exception occurred: 
    8971  
    8972 Traceback (most recent call last): 
    8973 File
    8974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8975 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    8976 if not self.draw_new_frame(): 
    8977 File
    8978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8979 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    8980 changed = view.check_for_drawing_change() 
    8981 File
    8982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8983 packages/chimerax/core/graphics/view.py", line 252, in
    8984 check_for_drawing_change 
    8985 trig.activate_trigger('graphics update', self) 
    8986 File
    8987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8988 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    8989 trigger.activate(data) 
    8990 File
    8991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8992 packages/chimerax/core/triggerset.py", line 190, in activate 
    8993 ret = handler.invoke(data, self._remove_bad_handlers) 
    8994 File
    8995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    8996 packages/chimerax/core/triggerset.py", line 132, in invoke 
    8997 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    8998 File
    8999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9000 packages/chimerax/core/session.py", line 943, in <lambda> 
    9001 logger.report_exception(preface=preface)) 
    9002 File
    9003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9004 packages/chimerax/core/logger.py", line 421, in report_exception 
    9005 elif probably_chimera1_session(exc_info): 
    9006 File
    9007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9008 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9009 etype, evalue, etraceback = exc_info 
    9010 TypeError: cannot unpack non-iterable NoneType object 
    9011  
    9012 TypeError: cannot unpack non-iterable NoneType object 
    9013  
    9014 File
    9015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9016 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9017 etype, evalue, etraceback = exc_info 
    9018  
    9019 See log for complete Python traceback. 
    9020  
    9021 Traceback (most recent call last): 
    9022 File
    9023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9024 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9025 return self._func(self._name, data) 
    9026 File
    9027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9028 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9029 if v.display: 
    9030 File
    9031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9032 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9033 return self._any_displayed_positions and len(self._positions) > 0 
    9034 TypeError: object of type 'NoneType' has no len() 
    9035  
    9036 During handling of the above exception, another exception occurred: 
    9037  
    9038 Traceback (most recent call last): 
    9039 File
    9040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9041 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9042 if not self.draw_new_frame(): 
    9043 File
    9044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9045 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9046 changed = view.check_for_drawing_change() 
    9047 File
    9048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9049 packages/chimerax/core/graphics/view.py", line 252, in
    9050 check_for_drawing_change 
    9051 trig.activate_trigger('graphics update', self) 
    9052 File
    9053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9054 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9055 trigger.activate(data) 
    9056 File
    9057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9058 packages/chimerax/core/triggerset.py", line 190, in activate 
    9059 ret = handler.invoke(data, self._remove_bad_handlers) 
    9060 File
    9061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9062 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9063 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9064 File
    9065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9066 packages/chimerax/core/session.py", line 943, in <lambda> 
    9067 logger.report_exception(preface=preface)) 
    9068 File
    9069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9070 packages/chimerax/core/logger.py", line 421, in report_exception 
    9071 elif probably_chimera1_session(exc_info): 
    9072 File
    9073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9074 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9075 etype, evalue, etraceback = exc_info 
    9076 TypeError: cannot unpack non-iterable NoneType object 
    9077  
    9078 TypeError: cannot unpack non-iterable NoneType object 
    9079  
    9080 File
    9081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9082 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9083 etype, evalue, etraceback = exc_info 
    9084  
    9085 See log for complete Python traceback. 
    9086  
    9087 Traceback (most recent call last): 
    9088 File
    9089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9090 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9091 return self._func(self._name, data) 
    9092 File
    9093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9094 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9095 if v.display: 
    9096 File
    9097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9098 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9099 return self._any_displayed_positions and len(self._positions) > 0 
    9100 TypeError: object of type 'NoneType' has no len() 
    9101  
    9102 During handling of the above exception, another exception occurred: 
    9103  
    9104 Traceback (most recent call last): 
    9105 File
    9106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9107 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9108 if not self.draw_new_frame(): 
    9109 File
    9110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9111 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9112 changed = view.check_for_drawing_change() 
    9113 File
    9114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9115 packages/chimerax/core/graphics/view.py", line 252, in
    9116 check_for_drawing_change 
    9117 trig.activate_trigger('graphics update', self) 
    9118 File
    9119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9120 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9121 trigger.activate(data) 
    9122 File
    9123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9124 packages/chimerax/core/triggerset.py", line 190, in activate 
    9125 ret = handler.invoke(data, self._remove_bad_handlers) 
    9126 File
    9127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9128 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9129 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9130 File
    9131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9132 packages/chimerax/core/session.py", line 943, in <lambda> 
    9133 logger.report_exception(preface=preface)) 
    9134 File
    9135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9136 packages/chimerax/core/logger.py", line 421, in report_exception 
    9137 elif probably_chimera1_session(exc_info): 
    9138 File
    9139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9140 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9141 etype, evalue, etraceback = exc_info 
    9142 TypeError: cannot unpack non-iterable NoneType object 
    9143  
    9144 TypeError: cannot unpack non-iterable NoneType object 
    9145  
    9146 File
    9147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9148 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9149 etype, evalue, etraceback = exc_info 
    9150  
    9151 See log for complete Python traceback. 
    9152  
    9153 Traceback (most recent call last): 
    9154 File
    9155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9156 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9157 return self._func(self._name, data) 
    9158 File
    9159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9160 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9161 if v.display: 
    9162 File
    9163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9164 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9165 return self._any_displayed_positions and len(self._positions) > 0 
    9166 TypeError: object of type 'NoneType' has no len() 
    9167  
    9168 During handling of the above exception, another exception occurred: 
    9169  
    9170 Traceback (most recent call last): 
    9171 File
    9172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9173 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9174 if not self.draw_new_frame(): 
    9175 File
    9176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9177 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9178 changed = view.check_for_drawing_change() 
    9179 File
    9180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9181 packages/chimerax/core/graphics/view.py", line 252, in
    9182 check_for_drawing_change 
    9183 trig.activate_trigger('graphics update', self) 
    9184 File
    9185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9186 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9187 trigger.activate(data) 
    9188 File
    9189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9190 packages/chimerax/core/triggerset.py", line 190, in activate 
    9191 ret = handler.invoke(data, self._remove_bad_handlers) 
    9192 File
    9193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9194 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9195 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9196 File
    9197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9198 packages/chimerax/core/session.py", line 943, in <lambda> 
    9199 logger.report_exception(preface=preface)) 
    9200 File
    9201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9202 packages/chimerax/core/logger.py", line 421, in report_exception 
    9203 elif probably_chimera1_session(exc_info): 
    9204 File
    9205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9206 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9207 etype, evalue, etraceback = exc_info 
    9208 TypeError: cannot unpack non-iterable NoneType object 
    9209  
    9210 TypeError: cannot unpack non-iterable NoneType object 
    9211  
    9212 File
    9213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9214 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9215 etype, evalue, etraceback = exc_info 
    9216  
    9217 See log for complete Python traceback. 
    9218  
    9219 Traceback (most recent call last): 
    9220 File
    9221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9222 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9223 return self._func(self._name, data) 
    9224 File
    9225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9226 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9227 if v.display: 
    9228 File
    9229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9230 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9231 return self._any_displayed_positions and len(self._positions) > 0 
    9232 TypeError: object of type 'NoneType' has no len() 
    9233  
    9234 During handling of the above exception, another exception occurred: 
    9235  
    9236 Traceback (most recent call last): 
    9237 File
    9238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9239 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9240 if not self.draw_new_frame(): 
    9241 File
    9242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9243 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9244 changed = view.check_for_drawing_change() 
    9245 File
    9246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9247 packages/chimerax/core/graphics/view.py", line 252, in
    9248 check_for_drawing_change 
    9249 trig.activate_trigger('graphics update', self) 
    9250 File
    9251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9252 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9253 trigger.activate(data) 
    9254 File
    9255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9256 packages/chimerax/core/triggerset.py", line 190, in activate 
    9257 ret = handler.invoke(data, self._remove_bad_handlers) 
    9258 File
    9259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9260 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9261 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9262 File
    9263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9264 packages/chimerax/core/session.py", line 943, in <lambda> 
    9265 logger.report_exception(preface=preface)) 
    9266 File
    9267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9268 packages/chimerax/core/logger.py", line 421, in report_exception 
    9269 elif probably_chimera1_session(exc_info): 
    9270 File
    9271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9272 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9273 etype, evalue, etraceback = exc_info 
    9274 TypeError: cannot unpack non-iterable NoneType object 
    9275  
    9276 TypeError: cannot unpack non-iterable NoneType object 
    9277  
    9278 File
    9279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9280 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9281 etype, evalue, etraceback = exc_info 
    9282  
    9283 See log for complete Python traceback. 
    9284  
    9285 Traceback (most recent call last): 
    9286 File
    9287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9288 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9289 return self._func(self._name, data) 
    9290 File
    9291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9292 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9293 if v.display: 
    9294 File
    9295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9296 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9297 return self._any_displayed_positions and len(self._positions) > 0 
    9298 TypeError: object of type 'NoneType' has no len() 
    9299  
    9300 During handling of the above exception, another exception occurred: 
    9301  
    9302 Traceback (most recent call last): 
    9303 File
    9304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9305 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9306 if not self.draw_new_frame(): 
    9307 File
    9308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9309 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9310 changed = view.check_for_drawing_change() 
    9311 File
    9312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9313 packages/chimerax/core/graphics/view.py", line 252, in
    9314 check_for_drawing_change 
    9315 trig.activate_trigger('graphics update', self) 
    9316 File
    9317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9318 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9319 trigger.activate(data) 
    9320 File
    9321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9322 packages/chimerax/core/triggerset.py", line 190, in activate 
    9323 ret = handler.invoke(data, self._remove_bad_handlers) 
    9324 File
    9325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9326 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9327 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9328 File
    9329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9330 packages/chimerax/core/session.py", line 943, in <lambda> 
    9331 logger.report_exception(preface=preface)) 
    9332 File
    9333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9334 packages/chimerax/core/logger.py", line 421, in report_exception 
    9335 elif probably_chimera1_session(exc_info): 
    9336 File
    9337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9338 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9339 etype, evalue, etraceback = exc_info 
    9340 TypeError: cannot unpack non-iterable NoneType object 
    9341  
    9342 TypeError: cannot unpack non-iterable NoneType object 
    9343  
    9344 File
    9345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9346 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9347 etype, evalue, etraceback = exc_info 
    9348  
    9349 See log for complete Python traceback. 
    9350  
    9351 Traceback (most recent call last): 
    9352 File
    9353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9354 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9355 return self._func(self._name, data) 
    9356 File
    9357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9358 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9359 if v.display: 
    9360 File
    9361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9362 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9363 return self._any_displayed_positions and len(self._positions) > 0 
    9364 TypeError: object of type 'NoneType' has no len() 
    9365  
    9366 During handling of the above exception, another exception occurred: 
    9367  
    9368 Traceback (most recent call last): 
    9369 File
    9370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9371 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9372 if not self.draw_new_frame(): 
    9373 File
    9374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9375 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9376 changed = view.check_for_drawing_change() 
    9377 File
    9378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9379 packages/chimerax/core/graphics/view.py", line 252, in
    9380 check_for_drawing_change 
    9381 trig.activate_trigger('graphics update', self) 
    9382 File
    9383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9384 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9385 trigger.activate(data) 
    9386 File
    9387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9388 packages/chimerax/core/triggerset.py", line 190, in activate 
    9389 ret = handler.invoke(data, self._remove_bad_handlers) 
    9390 File
    9391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9392 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9393 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9394 File
    9395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9396 packages/chimerax/core/session.py", line 943, in <lambda> 
    9397 logger.report_exception(preface=preface)) 
    9398 File
    9399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9400 packages/chimerax/core/logger.py", line 421, in report_exception 
    9401 elif probably_chimera1_session(exc_info): 
    9402 File
    9403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9404 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9405 etype, evalue, etraceback = exc_info 
    9406 TypeError: cannot unpack non-iterable NoneType object 
    9407  
    9408 TypeError: cannot unpack non-iterable NoneType object 
    9409  
    9410 File
    9411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9412 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9413 etype, evalue, etraceback = exc_info 
    9414  
    9415 See log for complete Python traceback. 
    9416  
    9417 Traceback (most recent call last): 
    9418 File
    9419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9420 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9421 return self._func(self._name, data) 
    9422 File
    9423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9424 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9425 if v.display: 
    9426 File
    9427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9428 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9429 return self._any_displayed_positions and len(self._positions) > 0 
    9430 TypeError: object of type 'NoneType' has no len() 
    9431  
    9432 During handling of the above exception, another exception occurred: 
    9433  
    9434 Traceback (most recent call last): 
    9435 File
    9436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9437 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9438 if not self.draw_new_frame(): 
    9439 File
    9440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9441 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9442 changed = view.check_for_drawing_change() 
    9443 File
    9444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9445 packages/chimerax/core/graphics/view.py", line 252, in
    9446 check_for_drawing_change 
    9447 trig.activate_trigger('graphics update', self) 
    9448 File
    9449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9450 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9451 trigger.activate(data) 
    9452 File
    9453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9454 packages/chimerax/core/triggerset.py", line 190, in activate 
    9455 ret = handler.invoke(data, self._remove_bad_handlers) 
    9456 File
    9457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9458 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9459 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9460 File
    9461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9462 packages/chimerax/core/session.py", line 943, in <lambda> 
    9463 logger.report_exception(preface=preface)) 
    9464 File
    9465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9466 packages/chimerax/core/logger.py", line 421, in report_exception 
    9467 elif probably_chimera1_session(exc_info): 
    9468 File
    9469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9470 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9471 etype, evalue, etraceback = exc_info 
    9472 TypeError: cannot unpack non-iterable NoneType object 
    9473  
    9474 TypeError: cannot unpack non-iterable NoneType object 
    9475  
    9476 File
    9477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9478 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9479 etype, evalue, etraceback = exc_info 
    9480  
    9481 See log for complete Python traceback. 
    9482  
    9483 Traceback (most recent call last): 
    9484 File
    9485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9486 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9487 return self._func(self._name, data) 
    9488 File
    9489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9490 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9491 if v.display: 
    9492 File
    9493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9494 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9495 return self._any_displayed_positions and len(self._positions) > 0 
    9496 TypeError: object of type 'NoneType' has no len() 
    9497  
    9498 During handling of the above exception, another exception occurred: 
    9499  
    9500 Traceback (most recent call last): 
    9501 File
    9502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9503 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9504 if not self.draw_new_frame(): 
    9505 File
    9506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9507 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9508 changed = view.check_for_drawing_change() 
    9509 File
    9510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9511 packages/chimerax/core/graphics/view.py", line 252, in
    9512 check_for_drawing_change 
    9513 trig.activate_trigger('graphics update', self) 
    9514 File
    9515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9516 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9517 trigger.activate(data) 
    9518 File
    9519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9520 packages/chimerax/core/triggerset.py", line 190, in activate 
    9521 ret = handler.invoke(data, self._remove_bad_handlers) 
    9522 File
    9523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9524 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9525 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9526 File
    9527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9528 packages/chimerax/core/session.py", line 943, in <lambda> 
    9529 logger.report_exception(preface=preface)) 
    9530 File
    9531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9532 packages/chimerax/core/logger.py", line 421, in report_exception 
    9533 elif probably_chimera1_session(exc_info): 
    9534 File
    9535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9536 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9537 etype, evalue, etraceback = exc_info 
    9538 TypeError: cannot unpack non-iterable NoneType object 
    9539  
    9540 TypeError: cannot unpack non-iterable NoneType object 
    9541  
    9542 File
    9543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9544 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9545 etype, evalue, etraceback = exc_info 
    9546  
    9547 See log for complete Python traceback. 
    9548  
    9549 Traceback (most recent call last): 
    9550 File
    9551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9552 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9553 return self._func(self._name, data) 
    9554 File
    9555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9556 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9557 if v.display: 
    9558 File
    9559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9560 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9561 return self._any_displayed_positions and len(self._positions) > 0 
    9562 TypeError: object of type 'NoneType' has no len() 
    9563  
    9564 During handling of the above exception, another exception occurred: 
    9565  
    9566 Traceback (most recent call last): 
    9567 File
    9568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9569 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9570 if not self.draw_new_frame(): 
    9571 File
    9572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9573 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9574 changed = view.check_for_drawing_change() 
    9575 File
    9576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9577 packages/chimerax/core/graphics/view.py", line 252, in
    9578 check_for_drawing_change 
    9579 trig.activate_trigger('graphics update', self) 
    9580 File
    9581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9582 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9583 trigger.activate(data) 
    9584 File
    9585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9586 packages/chimerax/core/triggerset.py", line 190, in activate 
    9587 ret = handler.invoke(data, self._remove_bad_handlers) 
    9588 File
    9589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9590 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9591 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9592 File
    9593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9594 packages/chimerax/core/session.py", line 943, in <lambda> 
    9595 logger.report_exception(preface=preface)) 
    9596 File
    9597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9598 packages/chimerax/core/logger.py", line 421, in report_exception 
    9599 elif probably_chimera1_session(exc_info): 
    9600 File
    9601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9602 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9603 etype, evalue, etraceback = exc_info 
    9604 TypeError: cannot unpack non-iterable NoneType object 
    9605  
    9606 TypeError: cannot unpack non-iterable NoneType object 
    9607  
    9608 File
    9609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9610 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9611 etype, evalue, etraceback = exc_info 
    9612  
    9613 See log for complete Python traceback. 
    9614  
    9615 Traceback (most recent call last): 
    9616 File
    9617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9619 return self._func(self._name, data) 
    9620 File
    9621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9622 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9623 if v.display: 
    9624 File
    9625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9626 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9627 return self._any_displayed_positions and len(self._positions) > 0 
    9628 TypeError: object of type 'NoneType' has no len() 
    9629  
    9630 During handling of the above exception, another exception occurred: 
    9631  
    9632 Traceback (most recent call last): 
    9633 File
    9634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9635 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9636 if not self.draw_new_frame(): 
    9637 File
    9638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9639 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9640 changed = view.check_for_drawing_change() 
    9641 File
    9642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9643 packages/chimerax/core/graphics/view.py", line 252, in
    9644 check_for_drawing_change 
    9645 trig.activate_trigger('graphics update', self) 
    9646 File
    9647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9648 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9649 trigger.activate(data) 
    9650 File
    9651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9652 packages/chimerax/core/triggerset.py", line 190, in activate 
    9653 ret = handler.invoke(data, self._remove_bad_handlers) 
    9654 File
    9655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9656 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9657 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9658 File
    9659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9660 packages/chimerax/core/session.py", line 943, in <lambda> 
    9661 logger.report_exception(preface=preface)) 
    9662 File
    9663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9664 packages/chimerax/core/logger.py", line 421, in report_exception 
    9665 elif probably_chimera1_session(exc_info): 
    9666 File
    9667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9668 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9669 etype, evalue, etraceback = exc_info 
    9670 TypeError: cannot unpack non-iterable NoneType object 
    9671  
    9672 TypeError: cannot unpack non-iterable NoneType object 
    9673  
    9674 File
    9675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9676 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9677 etype, evalue, etraceback = exc_info 
    9678  
    9679 See log for complete Python traceback. 
    9680  
    9681 Traceback (most recent call last): 
    9682 File
    9683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9684 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9685 return self._func(self._name, data) 
    9686 File
    9687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9688 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9689 if v.display: 
    9690 File
    9691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9692 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9693 return self._any_displayed_positions and len(self._positions) > 0 
    9694 TypeError: object of type 'NoneType' has no len() 
    9695  
    9696 During handling of the above exception, another exception occurred: 
    9697  
    9698 Traceback (most recent call last): 
    9699 File
    9700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9701 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9702 if not self.draw_new_frame(): 
    9703 File
    9704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9705 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9706 changed = view.check_for_drawing_change() 
    9707 File
    9708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9709 packages/chimerax/core/graphics/view.py", line 252, in
    9710 check_for_drawing_change 
    9711 trig.activate_trigger('graphics update', self) 
    9712 File
    9713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9714 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9715 trigger.activate(data) 
    9716 File
    9717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9718 packages/chimerax/core/triggerset.py", line 190, in activate 
    9719 ret = handler.invoke(data, self._remove_bad_handlers) 
    9720 File
    9721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9722 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9723 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9724 File
    9725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9726 packages/chimerax/core/session.py", line 943, in <lambda> 
    9727 logger.report_exception(preface=preface)) 
    9728 File
    9729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9730 packages/chimerax/core/logger.py", line 421, in report_exception 
    9731 elif probably_chimera1_session(exc_info): 
    9732 File
    9733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9734 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9735 etype, evalue, etraceback = exc_info 
    9736 TypeError: cannot unpack non-iterable NoneType object 
    9737  
    9738 TypeError: cannot unpack non-iterable NoneType object 
    9739  
    9740 File
    9741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9742 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9743 etype, evalue, etraceback = exc_info 
    9744  
    9745 See log for complete Python traceback. 
    9746  
    9747 Traceback (most recent call last): 
    9748 File
    9749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9750 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9751 return self._func(self._name, data) 
    9752 File
    9753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9754 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9755 if v.display: 
    9756 File
    9757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9758 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9759 return self._any_displayed_positions and len(self._positions) > 0 
    9760 TypeError: object of type 'NoneType' has no len() 
    9761  
    9762 During handling of the above exception, another exception occurred: 
    9763  
    9764 Traceback (most recent call last): 
    9765 File
    9766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9767 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9768 if not self.draw_new_frame(): 
    9769 File
    9770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9771 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9772 changed = view.check_for_drawing_change() 
    9773 File
    9774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9775 packages/chimerax/core/graphics/view.py", line 252, in
    9776 check_for_drawing_change 
    9777 trig.activate_trigger('graphics update', self) 
    9778 File
    9779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9780 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9781 trigger.activate(data) 
    9782 File
    9783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9784 packages/chimerax/core/triggerset.py", line 190, in activate 
    9785 ret = handler.invoke(data, self._remove_bad_handlers) 
    9786 File
    9787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9788 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9789 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9790 File
    9791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9792 packages/chimerax/core/session.py", line 943, in <lambda> 
    9793 logger.report_exception(preface=preface)) 
    9794 File
    9795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9796 packages/chimerax/core/logger.py", line 421, in report_exception 
    9797 elif probably_chimera1_session(exc_info): 
    9798 File
    9799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9800 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9801 etype, evalue, etraceback = exc_info 
    9802 TypeError: cannot unpack non-iterable NoneType object 
    9803  
    9804 TypeError: cannot unpack non-iterable NoneType object 
    9805  
    9806 File
    9807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9808 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9809 etype, evalue, etraceback = exc_info 
    9810  
    9811 See log for complete Python traceback. 
    9812  
    9813 Traceback (most recent call last): 
    9814 File
    9815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9816 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9817 return self._func(self._name, data) 
    9818 File
    9819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9820 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9821 if v.display: 
    9822 File
    9823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9824 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9825 return self._any_displayed_positions and len(self._positions) > 0 
    9826 TypeError: object of type 'NoneType' has no len() 
    9827  
    9828 During handling of the above exception, another exception occurred: 
    9829  
    9830 Traceback (most recent call last): 
    9831 File
    9832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9833 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9834 if not self.draw_new_frame(): 
    9835 File
    9836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9837 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9838 changed = view.check_for_drawing_change() 
    9839 File
    9840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9841 packages/chimerax/core/graphics/view.py", line 252, in
    9842 check_for_drawing_change 
    9843 trig.activate_trigger('graphics update', self) 
    9844 File
    9845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9846 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9847 trigger.activate(data) 
    9848 File
    9849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9850 packages/chimerax/core/triggerset.py", line 190, in activate 
    9851 ret = handler.invoke(data, self._remove_bad_handlers) 
    9852 File
    9853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9854 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9855 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9856 File
    9857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9858 packages/chimerax/core/session.py", line 943, in <lambda> 
    9859 logger.report_exception(preface=preface)) 
    9860 File
    9861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9862 packages/chimerax/core/logger.py", line 421, in report_exception 
    9863 elif probably_chimera1_session(exc_info): 
    9864 File
    9865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9866 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9867 etype, evalue, etraceback = exc_info 
    9868 TypeError: cannot unpack non-iterable NoneType object 
    9869  
    9870 TypeError: cannot unpack non-iterable NoneType object 
    9871  
    9872 File
    9873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9874 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9875 etype, evalue, etraceback = exc_info 
    9876  
    9877 See log for complete Python traceback. 
    9878  
    9879 Traceback (most recent call last): 
    9880 File
    9881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9882 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9883 return self._func(self._name, data) 
    9884 File
    9885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9886 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9887 if v.display: 
    9888 File
    9889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9890 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9891 return self._any_displayed_positions and len(self._positions) > 0 
    9892 TypeError: object of type 'NoneType' has no len() 
    9893  
    9894 During handling of the above exception, another exception occurred: 
    9895  
    9896 Traceback (most recent call last): 
    9897 File
    9898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9899 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9900 if not self.draw_new_frame(): 
    9901 File
    9902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9903 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9904 changed = view.check_for_drawing_change() 
    9905 File
    9906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9907 packages/chimerax/core/graphics/view.py", line 252, in
    9908 check_for_drawing_change 
    9909 trig.activate_trigger('graphics update', self) 
    9910 File
    9911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9912 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9913 trigger.activate(data) 
    9914 File
    9915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9916 packages/chimerax/core/triggerset.py", line 190, in activate 
    9917 ret = handler.invoke(data, self._remove_bad_handlers) 
    9918 File
    9919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9920 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9921 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9922 File
    9923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9924 packages/chimerax/core/session.py", line 943, in <lambda> 
    9925 logger.report_exception(preface=preface)) 
    9926 File
    9927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9928 packages/chimerax/core/logger.py", line 421, in report_exception 
    9929 elif probably_chimera1_session(exc_info): 
    9930 File
    9931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9932 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9933 etype, evalue, etraceback = exc_info 
    9934 TypeError: cannot unpack non-iterable NoneType object 
    9935  
    9936 TypeError: cannot unpack non-iterable NoneType object 
    9937  
    9938 File
    9939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9940 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9941 etype, evalue, etraceback = exc_info 
    9942  
    9943 See log for complete Python traceback. 
    9944  
    9945 Traceback (most recent call last): 
    9946 File
    9947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9948 packages/chimerax/core/triggerset.py", line 130, in invoke 
    9949 return self._func(self._name, data) 
    9950 File
    9951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9952 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    9953 if v.display: 
    9954 File
    9955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9956 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    9957 return self._any_displayed_positions and len(self._positions) > 0 
    9958 TypeError: object of type 'NoneType' has no len() 
    9959  
    9960 During handling of the above exception, another exception occurred: 
    9961  
    9962 Traceback (most recent call last): 
    9963 File
    9964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9965 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    9966 if not self.draw_new_frame(): 
    9967 File
    9968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9969 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    9970 changed = view.check_for_drawing_change() 
    9971 File
    9972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9973 packages/chimerax/core/graphics/view.py", line 252, in
    9974 check_for_drawing_change 
    9975 trig.activate_trigger('graphics update', self) 
    9976 File
    9977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9978 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    9979 trigger.activate(data) 
    9980 File
    9981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9982 packages/chimerax/core/triggerset.py", line 190, in activate 
    9983 ret = handler.invoke(data, self._remove_bad_handlers) 
    9984 File
    9985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9986 packages/chimerax/core/triggerset.py", line 132, in invoke 
    9987 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    9988 File
    9989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9990 packages/chimerax/core/session.py", line 943, in <lambda> 
    9991 logger.report_exception(preface=preface)) 
    9992 File
    9993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9994 packages/chimerax/core/logger.py", line 421, in report_exception 
    9995 elif probably_chimera1_session(exc_info): 
    9996 File
    9997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    9998 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    9999 etype, evalue, etraceback = exc_info 
    10000 TypeError: cannot unpack non-iterable NoneType object 
    10001  
    10002 TypeError: cannot unpack non-iterable NoneType object 
    10003  
    10004 File
    10005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10006 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10007 etype, evalue, etraceback = exc_info 
    10008  
    10009 See log for complete Python traceback. 
    10010  
    10011 Traceback (most recent call last): 
    10012 File
    10013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10014 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10015 return self._func(self._name, data) 
    10016 File
    10017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10018 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10019 if v.display: 
    10020 File
    10021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10022 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10023 return self._any_displayed_positions and len(self._positions) > 0 
    10024 TypeError: object of type 'NoneType' has no len() 
    10025  
    10026 During handling of the above exception, another exception occurred: 
    10027  
    10028 Traceback (most recent call last): 
    10029 File
    10030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10031 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10032 if not self.draw_new_frame(): 
    10033 File
    10034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10035 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10036 changed = view.check_for_drawing_change() 
    10037 File
    10038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10039 packages/chimerax/core/graphics/view.py", line 252, in
    10040 check_for_drawing_change 
    10041 trig.activate_trigger('graphics update', self) 
    10042 File
    10043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10044 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10045 trigger.activate(data) 
    10046 File
    10047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10048 packages/chimerax/core/triggerset.py", line 190, in activate 
    10049 ret = handler.invoke(data, self._remove_bad_handlers) 
    10050 File
    10051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10052 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10053 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10054 File
    10055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10056 packages/chimerax/core/session.py", line 943, in <lambda> 
    10057 logger.report_exception(preface=preface)) 
    10058 File
    10059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10060 packages/chimerax/core/logger.py", line 421, in report_exception 
    10061 elif probably_chimera1_session(exc_info): 
    10062 File
    10063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10064 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10065 etype, evalue, etraceback = exc_info 
    10066 TypeError: cannot unpack non-iterable NoneType object 
    10067  
    10068 TypeError: cannot unpack non-iterable NoneType object 
    10069  
    10070 File
    10071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10072 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10073 etype, evalue, etraceback = exc_info 
    10074  
    10075 See log for complete Python traceback. 
    10076  
    10077 Traceback (most recent call last): 
    10078 File
    10079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10080 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10081 return self._func(self._name, data) 
    10082 File
    10083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10084 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10085 if v.display: 
    10086 File
    10087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10088 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10089 return self._any_displayed_positions and len(self._positions) > 0 
    10090 TypeError: object of type 'NoneType' has no len() 
    10091  
    10092 During handling of the above exception, another exception occurred: 
    10093  
    10094 Traceback (most recent call last): 
    10095 File
    10096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10097 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10098 if not self.draw_new_frame(): 
    10099 File
    10100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10101 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10102 changed = view.check_for_drawing_change() 
    10103 File
    10104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10105 packages/chimerax/core/graphics/view.py", line 252, in
    10106 check_for_drawing_change 
    10107 trig.activate_trigger('graphics update', self) 
    10108 File
    10109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10110 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10111 trigger.activate(data) 
    10112 File
    10113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10114 packages/chimerax/core/triggerset.py", line 190, in activate 
    10115 ret = handler.invoke(data, self._remove_bad_handlers) 
    10116 File
    10117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10118 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10119 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10120 File
    10121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10122 packages/chimerax/core/session.py", line 943, in <lambda> 
    10123 logger.report_exception(preface=preface)) 
    10124 File
    10125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10126 packages/chimerax/core/logger.py", line 421, in report_exception 
    10127 elif probably_chimera1_session(exc_info): 
    10128 File
    10129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10130 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10131 etype, evalue, etraceback = exc_info 
    10132 TypeError: cannot unpack non-iterable NoneType object 
    10133  
    10134 TypeError: cannot unpack non-iterable NoneType object 
    10135  
    10136 File
    10137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10138 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10139 etype, evalue, etraceback = exc_info 
    10140  
    10141 See log for complete Python traceback. 
    10142  
    10143 Traceback (most recent call last): 
    10144 File
    10145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10146 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10147 return self._func(self._name, data) 
    10148 File
    10149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10150 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10151 if v.display: 
    10152 File
    10153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10154 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10155 return self._any_displayed_positions and len(self._positions) > 0 
    10156 TypeError: object of type 'NoneType' has no len() 
    10157  
    10158 During handling of the above exception, another exception occurred: 
    10159  
    10160 Traceback (most recent call last): 
    10161 File
    10162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10163 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10164 if not self.draw_new_frame(): 
    10165 File
    10166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10167 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10168 changed = view.check_for_drawing_change() 
    10169 File
    10170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10171 packages/chimerax/core/graphics/view.py", line 252, in
    10172 check_for_drawing_change 
    10173 trig.activate_trigger('graphics update', self) 
    10174 File
    10175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10176 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10177 trigger.activate(data) 
    10178 File
    10179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10180 packages/chimerax/core/triggerset.py", line 190, in activate 
    10181 ret = handler.invoke(data, self._remove_bad_handlers) 
    10182 File
    10183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10184 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10185 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10186 File
    10187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10188 packages/chimerax/core/session.py", line 943, in <lambda> 
    10189 logger.report_exception(preface=preface)) 
    10190 File
    10191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10192 packages/chimerax/core/logger.py", line 421, in report_exception 
    10193 elif probably_chimera1_session(exc_info): 
    10194 File
    10195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10196 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10197 etype, evalue, etraceback = exc_info 
    10198 TypeError: cannot unpack non-iterable NoneType object 
    10199  
    10200 TypeError: cannot unpack non-iterable NoneType object 
    10201  
    10202 File
    10203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10204 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10205 etype, evalue, etraceback = exc_info 
    10206  
    10207 See log for complete Python traceback. 
    10208  
    10209 Traceback (most recent call last): 
    10210 File
    10211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10212 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10213 return self._func(self._name, data) 
    10214 File
    10215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10216 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10217 if v.display: 
    10218 File
    10219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10220 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10221 return self._any_displayed_positions and len(self._positions) > 0 
    10222 TypeError: object of type 'NoneType' has no len() 
    10223  
    10224 During handling of the above exception, another exception occurred: 
    10225  
    10226 Traceback (most recent call last): 
    10227 File
    10228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10229 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10230 if not self.draw_new_frame(): 
    10231 File
    10232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10233 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10234 changed = view.check_for_drawing_change() 
    10235 File
    10236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10237 packages/chimerax/core/graphics/view.py", line 252, in
    10238 check_for_drawing_change 
    10239 trig.activate_trigger('graphics update', self) 
    10240 File
    10241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10242 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10243 trigger.activate(data) 
    10244 File
    10245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10246 packages/chimerax/core/triggerset.py", line 190, in activate 
    10247 ret = handler.invoke(data, self._remove_bad_handlers) 
    10248 File
    10249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10250 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10251 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10252 File
    10253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10254 packages/chimerax/core/session.py", line 943, in <lambda> 
    10255 logger.report_exception(preface=preface)) 
    10256 File
    10257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10258 packages/chimerax/core/logger.py", line 421, in report_exception 
    10259 elif probably_chimera1_session(exc_info): 
    10260 File
    10261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10262 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10263 etype, evalue, etraceback = exc_info 
    10264 TypeError: cannot unpack non-iterable NoneType object 
    10265  
    10266 TypeError: cannot unpack non-iterable NoneType object 
    10267  
    10268 File
    10269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10270 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10271 etype, evalue, etraceback = exc_info 
    10272  
    10273 See log for complete Python traceback. 
    10274  
    10275 Traceback (most recent call last): 
    10276 File
    10277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10278 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10279 return self._func(self._name, data) 
    10280 File
    10281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10282 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10283 if v.display: 
    10284 File
    10285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10286 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10287 return self._any_displayed_positions and len(self._positions) > 0 
    10288 TypeError: object of type 'NoneType' has no len() 
    10289  
    10290 During handling of the above exception, another exception occurred: 
    10291  
    10292 Traceback (most recent call last): 
    10293 File
    10294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10295 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10296 if not self.draw_new_frame(): 
    10297 File
    10298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10299 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10300 changed = view.check_for_drawing_change() 
    10301 File
    10302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10303 packages/chimerax/core/graphics/view.py", line 252, in
    10304 check_for_drawing_change 
    10305 trig.activate_trigger('graphics update', self) 
    10306 File
    10307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10308 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10309 trigger.activate(data) 
    10310 File
    10311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10312 packages/chimerax/core/triggerset.py", line 190, in activate 
    10313 ret = handler.invoke(data, self._remove_bad_handlers) 
    10314 File
    10315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10316 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10317 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10318 File
    10319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10320 packages/chimerax/core/session.py", line 943, in <lambda> 
    10321 logger.report_exception(preface=preface)) 
    10322 File
    10323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10324 packages/chimerax/core/logger.py", line 421, in report_exception 
    10325 elif probably_chimera1_session(exc_info): 
    10326 File
    10327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10328 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10329 etype, evalue, etraceback = exc_info 
    10330 TypeError: cannot unpack non-iterable NoneType object 
    10331  
    10332 TypeError: cannot unpack non-iterable NoneType object 
    10333  
    10334 File
    10335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10336 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10337 etype, evalue, etraceback = exc_info 
    10338  
    10339 See log for complete Python traceback. 
    10340  
    10341 Traceback (most recent call last): 
    10342 File
    10343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10344 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10345 return self._func(self._name, data) 
    10346 File
    10347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10348 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10349 if v.display: 
    10350 File
    10351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10352 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10353 return self._any_displayed_positions and len(self._positions) > 0 
    10354 TypeError: object of type 'NoneType' has no len() 
    10355  
    10356 During handling of the above exception, another exception occurred: 
    10357  
    10358 Traceback (most recent call last): 
    10359 File
    10360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10361 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10362 if not self.draw_new_frame(): 
    10363 File
    10364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10365 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10366 changed = view.check_for_drawing_change() 
    10367 File
    10368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10369 packages/chimerax/core/graphics/view.py", line 252, in
    10370 check_for_drawing_change 
    10371 trig.activate_trigger('graphics update', self) 
    10372 File
    10373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10374 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10375 trigger.activate(data) 
    10376 File
    10377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10378 packages/chimerax/core/triggerset.py", line 190, in activate 
    10379 ret = handler.invoke(data, self._remove_bad_handlers) 
    10380 File
    10381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10382 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10383 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10384 File
    10385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10386 packages/chimerax/core/session.py", line 943, in <lambda> 
    10387 logger.report_exception(preface=preface)) 
    10388 File
    10389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10390 packages/chimerax/core/logger.py", line 421, in report_exception 
    10391 elif probably_chimera1_session(exc_info): 
    10392 File
    10393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10394 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10395 etype, evalue, etraceback = exc_info 
    10396 TypeError: cannot unpack non-iterable NoneType object 
    10397  
    10398 TypeError: cannot unpack non-iterable NoneType object 
    10399  
    10400 File
    10401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10402 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10403 etype, evalue, etraceback = exc_info 
    10404  
    10405 See log for complete Python traceback. 
    10406  
    10407 Traceback (most recent call last): 
    10408 File
    10409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10410 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10411 return self._func(self._name, data) 
    10412 File
    10413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10414 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10415 if v.display: 
    10416 File
    10417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10418 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10419 return self._any_displayed_positions and len(self._positions) > 0 
    10420 TypeError: object of type 'NoneType' has no len() 
    10421  
    10422 During handling of the above exception, another exception occurred: 
    10423  
    10424 Traceback (most recent call last): 
    10425 File
    10426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10427 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10428 if not self.draw_new_frame(): 
    10429 File
    10430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10431 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10432 changed = view.check_for_drawing_change() 
    10433 File
    10434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10435 packages/chimerax/core/graphics/view.py", line 252, in
    10436 check_for_drawing_change 
    10437 trig.activate_trigger('graphics update', self) 
    10438 File
    10439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10440 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10441 trigger.activate(data) 
    10442 File
    10443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10444 packages/chimerax/core/triggerset.py", line 190, in activate 
    10445 ret = handler.invoke(data, self._remove_bad_handlers) 
    10446 File
    10447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10448 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10449 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10450 File
    10451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10452 packages/chimerax/core/session.py", line 943, in <lambda> 
    10453 logger.report_exception(preface=preface)) 
    10454 File
    10455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10456 packages/chimerax/core/logger.py", line 421, in report_exception 
    10457 elif probably_chimera1_session(exc_info): 
    10458 File
    10459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10460 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10461 etype, evalue, etraceback = exc_info 
    10462 TypeError: cannot unpack non-iterable NoneType object 
    10463  
    10464 TypeError: cannot unpack non-iterable NoneType object 
    10465  
    10466 File
    10467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10468 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10469 etype, evalue, etraceback = exc_info 
    10470  
    10471 See log for complete Python traceback. 
    10472  
    10473 Traceback (most recent call last): 
    10474 File
    10475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10476 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10477 return self._func(self._name, data) 
    10478 File
    10479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10480 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10481 if v.display: 
    10482 File
    10483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10484 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10485 return self._any_displayed_positions and len(self._positions) > 0 
    10486 TypeError: object of type 'NoneType' has no len() 
    10487  
    10488 During handling of the above exception, another exception occurred: 
    10489  
    10490 Traceback (most recent call last): 
    10491 File
    10492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10493 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10494 if not self.draw_new_frame(): 
    10495 File
    10496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10497 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10498 changed = view.check_for_drawing_change() 
    10499 File
    10500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10501 packages/chimerax/core/graphics/view.py", line 252, in
    10502 check_for_drawing_change 
    10503 trig.activate_trigger('graphics update', self) 
    10504 File
    10505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10506 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10507 trigger.activate(data) 
    10508 File
    10509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10510 packages/chimerax/core/triggerset.py", line 190, in activate 
    10511 ret = handler.invoke(data, self._remove_bad_handlers) 
    10512 File
    10513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10514 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10515 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10516 File
    10517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10518 packages/chimerax/core/session.py", line 943, in <lambda> 
    10519 logger.report_exception(preface=preface)) 
    10520 File
    10521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10522 packages/chimerax/core/logger.py", line 421, in report_exception 
    10523 elif probably_chimera1_session(exc_info): 
    10524 File
    10525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10526 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10527 etype, evalue, etraceback = exc_info 
    10528 TypeError: cannot unpack non-iterable NoneType object 
    10529  
    10530 TypeError: cannot unpack non-iterable NoneType object 
    10531  
    10532 File
    10533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10534 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10535 etype, evalue, etraceback = exc_info 
    10536  
    10537 See log for complete Python traceback. 
    10538  
    10539 Traceback (most recent call last): 
    10540 File
    10541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10542 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10543 return self._func(self._name, data) 
    10544 File
    10545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10546 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10547 if v.display: 
    10548 File
    10549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10550 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10551 return self._any_displayed_positions and len(self._positions) > 0 
    10552 TypeError: object of type 'NoneType' has no len() 
    10553  
    10554 During handling of the above exception, another exception occurred: 
    10555  
    10556 Traceback (most recent call last): 
    10557 File
    10558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10559 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10560 if not self.draw_new_frame(): 
    10561 File
    10562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10563 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10564 changed = view.check_for_drawing_change() 
    10565 File
    10566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10567 packages/chimerax/core/graphics/view.py", line 252, in
    10568 check_for_drawing_change 
    10569 trig.activate_trigger('graphics update', self) 
    10570 File
    10571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10572 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10573 trigger.activate(data) 
    10574 File
    10575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10576 packages/chimerax/core/triggerset.py", line 190, in activate 
    10577 ret = handler.invoke(data, self._remove_bad_handlers) 
    10578 File
    10579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10580 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10581 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10582 File
    10583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10584 packages/chimerax/core/session.py", line 943, in <lambda> 
    10585 logger.report_exception(preface=preface)) 
    10586 File
    10587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10588 packages/chimerax/core/logger.py", line 421, in report_exception 
    10589 elif probably_chimera1_session(exc_info): 
    10590 File
    10591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10592 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10593 etype, evalue, etraceback = exc_info 
    10594 TypeError: cannot unpack non-iterable NoneType object 
    10595  
    10596 TypeError: cannot unpack non-iterable NoneType object 
    10597  
    10598 File
    10599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10600 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10601 etype, evalue, etraceback = exc_info 
    10602  
    10603 See log for complete Python traceback. 
    10604  
    10605 Traceback (most recent call last): 
    10606 File
    10607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10608 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10609 return self._func(self._name, data) 
    10610 File
    10611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10612 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10613 if v.display: 
    10614 File
    10615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10616 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10617 return self._any_displayed_positions and len(self._positions) > 0 
    10618 TypeError: object of type 'NoneType' has no len() 
    10619  
    10620 During handling of the above exception, another exception occurred: 
    10621  
    10622 Traceback (most recent call last): 
    10623 File
    10624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10625 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10626 if not self.draw_new_frame(): 
    10627 File
    10628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10629 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10630 changed = view.check_for_drawing_change() 
    10631 File
    10632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10633 packages/chimerax/core/graphics/view.py", line 252, in
    10634 check_for_drawing_change 
    10635 trig.activate_trigger('graphics update', self) 
    10636 File
    10637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10638 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10639 trigger.activate(data) 
    10640 File
    10641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10642 packages/chimerax/core/triggerset.py", line 190, in activate 
    10643 ret = handler.invoke(data, self._remove_bad_handlers) 
    10644 File
    10645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10646 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10647 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10648 File
    10649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10650 packages/chimerax/core/session.py", line 943, in <lambda> 
    10651 logger.report_exception(preface=preface)) 
    10652 File
    10653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10654 packages/chimerax/core/logger.py", line 421, in report_exception 
    10655 elif probably_chimera1_session(exc_info): 
    10656 File
    10657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10658 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10659 etype, evalue, etraceback = exc_info 
    10660 TypeError: cannot unpack non-iterable NoneType object 
    10661  
    10662 TypeError: cannot unpack non-iterable NoneType object 
    10663  
    10664 File
    10665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10666 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10667 etype, evalue, etraceback = exc_info 
    10668  
    10669 See log for complete Python traceback. 
    10670  
    10671 Traceback (most recent call last): 
    10672 File
    10673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10674 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10675 return self._func(self._name, data) 
    10676 File
    10677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10678 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10679 if v.display: 
    10680 File
    10681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10682 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10683 return self._any_displayed_positions and len(self._positions) > 0 
    10684 TypeError: object of type 'NoneType' has no len() 
    10685  
    10686 During handling of the above exception, another exception occurred: 
    10687  
    10688 Traceback (most recent call last): 
    10689 File
    10690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10691 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10692 if not self.draw_new_frame(): 
    10693 File
    10694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10695 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10696 changed = view.check_for_drawing_change() 
    10697 File
    10698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10699 packages/chimerax/core/graphics/view.py", line 252, in
    10700 check_for_drawing_change 
    10701 trig.activate_trigger('graphics update', self) 
    10702 File
    10703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10704 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10705 trigger.activate(data) 
    10706 File
    10707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10708 packages/chimerax/core/triggerset.py", line 190, in activate 
    10709 ret = handler.invoke(data, self._remove_bad_handlers) 
    10710 File
    10711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10712 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10713 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10714 File
    10715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10716 packages/chimerax/core/session.py", line 943, in <lambda> 
    10717 logger.report_exception(preface=preface)) 
    10718 File
    10719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10720 packages/chimerax/core/logger.py", line 421, in report_exception 
    10721 elif probably_chimera1_session(exc_info): 
    10722 File
    10723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10724 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10725 etype, evalue, etraceback = exc_info 
    10726 TypeError: cannot unpack non-iterable NoneType object 
    10727  
    10728 TypeError: cannot unpack non-iterable NoneType object 
    10729  
    10730 File
    10731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10732 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10733 etype, evalue, etraceback = exc_info 
    10734  
    10735 See log for complete Python traceback. 
    10736  
    10737 Traceback (most recent call last): 
    10738 File
    10739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10740 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10741 return self._func(self._name, data) 
    10742 File
    10743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10744 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10745 if v.display: 
    10746 File
    10747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10748 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10749 return self._any_displayed_positions and len(self._positions) > 0 
    10750 TypeError: object of type 'NoneType' has no len() 
    10751  
    10752 During handling of the above exception, another exception occurred: 
    10753  
    10754 Traceback (most recent call last): 
    10755 File
    10756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10757 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10758 if not self.draw_new_frame(): 
    10759 File
    10760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10761 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10762 changed = view.check_for_drawing_change() 
    10763 File
    10764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10765 packages/chimerax/core/graphics/view.py", line 252, in
    10766 check_for_drawing_change 
    10767 trig.activate_trigger('graphics update', self) 
    10768 File
    10769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10770 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10771 trigger.activate(data) 
    10772 File
    10773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10774 packages/chimerax/core/triggerset.py", line 190, in activate 
    10775 ret = handler.invoke(data, self._remove_bad_handlers) 
    10776 File
    10777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10778 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10779 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10780 File
    10781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10782 packages/chimerax/core/session.py", line 943, in <lambda> 
    10783 logger.report_exception(preface=preface)) 
    10784 File
    10785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10786 packages/chimerax/core/logger.py", line 421, in report_exception 
    10787 elif probably_chimera1_session(exc_info): 
    10788 File
    10789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10790 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10791 etype, evalue, etraceback = exc_info 
    10792 TypeError: cannot unpack non-iterable NoneType object 
    10793  
    10794 TypeError: cannot unpack non-iterable NoneType object 
    10795  
    10796 File
    10797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10798 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10799 etype, evalue, etraceback = exc_info 
    10800  
    10801 See log for complete Python traceback. 
    10802  
    10803 Traceback (most recent call last): 
    10804 File
    10805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10806 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10807 return self._func(self._name, data) 
    10808 File
    10809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10810 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10811 if v.display: 
    10812 File
    10813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10814 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10815 return self._any_displayed_positions and len(self._positions) > 0 
    10816 TypeError: object of type 'NoneType' has no len() 
    10817  
    10818 During handling of the above exception, another exception occurred: 
    10819  
    10820 Traceback (most recent call last): 
    10821 File
    10822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10823 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10824 if not self.draw_new_frame(): 
    10825 File
    10826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10827 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10828 changed = view.check_for_drawing_change() 
    10829 File
    10830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10831 packages/chimerax/core/graphics/view.py", line 252, in
    10832 check_for_drawing_change 
    10833 trig.activate_trigger('graphics update', self) 
    10834 File
    10835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10836 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10837 trigger.activate(data) 
    10838 File
    10839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10840 packages/chimerax/core/triggerset.py", line 190, in activate 
    10841 ret = handler.invoke(data, self._remove_bad_handlers) 
    10842 File
    10843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10844 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10845 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10846 File
    10847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10848 packages/chimerax/core/session.py", line 943, in <lambda> 
    10849 logger.report_exception(preface=preface)) 
    10850 File
    10851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10852 packages/chimerax/core/logger.py", line 421, in report_exception 
    10853 elif probably_chimera1_session(exc_info): 
    10854 File
    10855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10856 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10857 etype, evalue, etraceback = exc_info 
    10858 TypeError: cannot unpack non-iterable NoneType object 
    10859  
    10860 TypeError: cannot unpack non-iterable NoneType object 
    10861  
    10862 File
    10863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10864 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10865 etype, evalue, etraceback = exc_info 
    10866  
    10867 See log for complete Python traceback. 
    10868  
    10869 Traceback (most recent call last): 
    10870 File
    10871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10872 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10873 return self._func(self._name, data) 
    10874 File
    10875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10876 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10877 if v.display: 
    10878 File
    10879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10880 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10881 return self._any_displayed_positions and len(self._positions) > 0 
    10882 TypeError: object of type 'NoneType' has no len() 
    10883  
    10884 During handling of the above exception, another exception occurred: 
    10885  
    10886 Traceback (most recent call last): 
    10887 File
    10888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10889 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10890 if not self.draw_new_frame(): 
    10891 File
    10892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10893 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10894 changed = view.check_for_drawing_change() 
    10895 File
    10896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10897 packages/chimerax/core/graphics/view.py", line 252, in
    10898 check_for_drawing_change 
    10899 trig.activate_trigger('graphics update', self) 
    10900 File
    10901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10902 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10903 trigger.activate(data) 
    10904 File
    10905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10906 packages/chimerax/core/triggerset.py", line 190, in activate 
    10907 ret = handler.invoke(data, self._remove_bad_handlers) 
    10908 File
    10909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10910 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10911 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10912 File
    10913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10914 packages/chimerax/core/session.py", line 943, in <lambda> 
    10915 logger.report_exception(preface=preface)) 
    10916 File
    10917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10918 packages/chimerax/core/logger.py", line 421, in report_exception 
    10919 elif probably_chimera1_session(exc_info): 
    10920 File
    10921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10922 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10923 etype, evalue, etraceback = exc_info 
    10924 TypeError: cannot unpack non-iterable NoneType object 
    10925  
    10926 TypeError: cannot unpack non-iterable NoneType object 
    10927  
    10928 File
    10929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10930 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10931 etype, evalue, etraceback = exc_info 
    10932  
    10933 See log for complete Python traceback. 
    10934  
    10935 Traceback (most recent call last): 
    10936 File
    10937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10938 packages/chimerax/core/triggerset.py", line 130, in invoke 
    10939 return self._func(self._name, data) 
    10940 File
    10941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10942 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    10943 if v.display: 
    10944 File
    10945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10946 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    10947 return self._any_displayed_positions and len(self._positions) > 0 
    10948 TypeError: object of type 'NoneType' has no len() 
    10949  
    10950 During handling of the above exception, another exception occurred: 
    10951  
    10952 Traceback (most recent call last): 
    10953 File
    10954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10955 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    10956 if not self.draw_new_frame(): 
    10957 File
    10958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10959 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    10960 changed = view.check_for_drawing_change() 
    10961 File
    10962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10963 packages/chimerax/core/graphics/view.py", line 252, in
    10964 check_for_drawing_change 
    10965 trig.activate_trigger('graphics update', self) 
    10966 File
    10967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10968 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    10969 trigger.activate(data) 
    10970 File
    10971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10972 packages/chimerax/core/triggerset.py", line 190, in activate 
    10973 ret = handler.invoke(data, self._remove_bad_handlers) 
    10974 File
    10975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10976 packages/chimerax/core/triggerset.py", line 132, in invoke 
    10977 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    10978 File
    10979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10980 packages/chimerax/core/session.py", line 943, in <lambda> 
    10981 logger.report_exception(preface=preface)) 
    10982 File
    10983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10984 packages/chimerax/core/logger.py", line 421, in report_exception 
    10985 elif probably_chimera1_session(exc_info): 
    10986 File
    10987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10988 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10989 etype, evalue, etraceback = exc_info 
    10990 TypeError: cannot unpack non-iterable NoneType object 
    10991  
    10992 TypeError: cannot unpack non-iterable NoneType object 
    10993  
    10994 File
    10995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    10996 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    10997 etype, evalue, etraceback = exc_info 
    10998  
    10999 See log for complete Python traceback. 
    11000  
    11001 Traceback (most recent call last): 
    11002 File
    11003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11004 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11005 return self._func(self._name, data) 
    11006 File
    11007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11008 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11009 if v.display: 
    11010 File
    11011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11012 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11013 return self._any_displayed_positions and len(self._positions) > 0 
    11014 TypeError: object of type 'NoneType' has no len() 
    11015  
    11016 During handling of the above exception, another exception occurred: 
    11017  
    11018 Traceback (most recent call last): 
    11019 File
    11020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11021 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11022 if not self.draw_new_frame(): 
    11023 File
    11024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11025 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11026 changed = view.check_for_drawing_change() 
    11027 File
    11028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11029 packages/chimerax/core/graphics/view.py", line 252, in
    11030 check_for_drawing_change 
    11031 trig.activate_trigger('graphics update', self) 
    11032 File
    11033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11034 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11035 trigger.activate(data) 
    11036 File
    11037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11038 packages/chimerax/core/triggerset.py", line 190, in activate 
    11039 ret = handler.invoke(data, self._remove_bad_handlers) 
    11040 File
    11041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11042 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11043 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11044 File
    11045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11046 packages/chimerax/core/session.py", line 943, in <lambda> 
    11047 logger.report_exception(preface=preface)) 
    11048 File
    11049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11050 packages/chimerax/core/logger.py", line 421, in report_exception 
    11051 elif probably_chimera1_session(exc_info): 
    11052 File
    11053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11054 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11055 etype, evalue, etraceback = exc_info 
    11056 TypeError: cannot unpack non-iterable NoneType object 
    11057  
    11058 TypeError: cannot unpack non-iterable NoneType object 
    11059  
    11060 File
    11061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11062 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11063 etype, evalue, etraceback = exc_info 
    11064  
    11065 See log for complete Python traceback. 
    11066  
    11067 Traceback (most recent call last): 
    11068 File
    11069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11070 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11071 return self._func(self._name, data) 
    11072 File
    11073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11074 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11075 if v.display: 
    11076 File
    11077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11078 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11079 return self._any_displayed_positions and len(self._positions) > 0 
    11080 TypeError: object of type 'NoneType' has no len() 
    11081  
    11082 During handling of the above exception, another exception occurred: 
    11083  
    11084 Traceback (most recent call last): 
    11085 File
    11086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11087 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11088 if not self.draw_new_frame(): 
    11089 File
    11090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11091 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11092 changed = view.check_for_drawing_change() 
    11093 File
    11094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11095 packages/chimerax/core/graphics/view.py", line 252, in
    11096 check_for_drawing_change 
    11097 trig.activate_trigger('graphics update', self) 
    11098 File
    11099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11100 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11101 trigger.activate(data) 
    11102 File
    11103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11104 packages/chimerax/core/triggerset.py", line 190, in activate 
    11105 ret = handler.invoke(data, self._remove_bad_handlers) 
    11106 File
    11107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11108 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11109 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11110 File
    11111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11112 packages/chimerax/core/session.py", line 943, in <lambda> 
    11113 logger.report_exception(preface=preface)) 
    11114 File
    11115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11116 packages/chimerax/core/logger.py", line 421, in report_exception 
    11117 elif probably_chimera1_session(exc_info): 
    11118 File
    11119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11120 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11121 etype, evalue, etraceback = exc_info 
    11122 TypeError: cannot unpack non-iterable NoneType object 
    11123  
    11124 TypeError: cannot unpack non-iterable NoneType object 
    11125  
    11126 File
    11127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11128 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11129 etype, evalue, etraceback = exc_info 
    11130  
    11131 See log for complete Python traceback. 
    11132  
    11133 Traceback (most recent call last): 
    11134 File
    11135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11136 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11137 return self._func(self._name, data) 
    11138 File
    11139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11140 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11141 if v.display: 
    11142 File
    11143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11144 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11145 return self._any_displayed_positions and len(self._positions) > 0 
    11146 TypeError: object of type 'NoneType' has no len() 
    11147  
    11148 During handling of the above exception, another exception occurred: 
    11149  
    11150 Traceback (most recent call last): 
    11151 File
    11152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11153 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11154 if not self.draw_new_frame(): 
    11155 File
    11156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11157 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11158 changed = view.check_for_drawing_change() 
    11159 File
    11160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11161 packages/chimerax/core/graphics/view.py", line 252, in
    11162 check_for_drawing_change 
    11163 trig.activate_trigger('graphics update', self) 
    11164 File
    11165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11166 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11167 trigger.activate(data) 
    11168 File
    11169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11170 packages/chimerax/core/triggerset.py", line 190, in activate 
    11171 ret = handler.invoke(data, self._remove_bad_handlers) 
    11172 File
    11173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11174 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11175 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11176 File
    11177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11178 packages/chimerax/core/session.py", line 943, in <lambda> 
    11179 logger.report_exception(preface=preface)) 
    11180 File
    11181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11182 packages/chimerax/core/logger.py", line 421, in report_exception 
    11183 elif probably_chimera1_session(exc_info): 
    11184 File
    11185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11186 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11187 etype, evalue, etraceback = exc_info 
    11188 TypeError: cannot unpack non-iterable NoneType object 
    11189  
    11190 TypeError: cannot unpack non-iterable NoneType object 
    11191  
    11192 File
    11193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11194 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11195 etype, evalue, etraceback = exc_info 
    11196  
    11197 See log for complete Python traceback. 
    11198  
    11199 Traceback (most recent call last): 
    11200 File
    11201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11202 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11203 return self._func(self._name, data) 
    11204 File
    11205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11206 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11207 if v.display: 
    11208 File
    11209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11210 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11211 return self._any_displayed_positions and len(self._positions) > 0 
    11212 TypeError: object of type 'NoneType' has no len() 
    11213  
    11214 During handling of the above exception, another exception occurred: 
    11215  
    11216 Traceback (most recent call last): 
    11217 File
    11218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11219 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11220 if not self.draw_new_frame(): 
    11221 File
    11222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11223 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11224 changed = view.check_for_drawing_change() 
    11225 File
    11226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11227 packages/chimerax/core/graphics/view.py", line 252, in
    11228 check_for_drawing_change 
    11229 trig.activate_trigger('graphics update', self) 
    11230 File
    11231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11232 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11233 trigger.activate(data) 
    11234 File
    11235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11236 packages/chimerax/core/triggerset.py", line 190, in activate 
    11237 ret = handler.invoke(data, self._remove_bad_handlers) 
    11238 File
    11239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11240 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11241 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11242 File
    11243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11244 packages/chimerax/core/session.py", line 943, in <lambda> 
    11245 logger.report_exception(preface=preface)) 
    11246 File
    11247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11248 packages/chimerax/core/logger.py", line 421, in report_exception 
    11249 elif probably_chimera1_session(exc_info): 
    11250 File
    11251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11252 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11253 etype, evalue, etraceback = exc_info 
    11254 TypeError: cannot unpack non-iterable NoneType object 
    11255  
    11256 TypeError: cannot unpack non-iterable NoneType object 
    11257  
    11258 File
    11259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11260 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11261 etype, evalue, etraceback = exc_info 
    11262  
    11263 See log for complete Python traceback. 
    11264  
    11265 Traceback (most recent call last): 
    11266 File
    11267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11269 return self._func(self._name, data) 
    11270 File
    11271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11272 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11273 if v.display: 
    11274 File
    11275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11276 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11277 return self._any_displayed_positions and len(self._positions) > 0 
    11278 TypeError: object of type 'NoneType' has no len() 
    11279  
    11280 During handling of the above exception, another exception occurred: 
    11281  
    11282 Traceback (most recent call last): 
    11283 File
    11284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11285 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11286 if not self.draw_new_frame(): 
    11287 File
    11288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11289 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11290 changed = view.check_for_drawing_change() 
    11291 File
    11292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11293 packages/chimerax/core/graphics/view.py", line 252, in
    11294 check_for_drawing_change 
    11295 trig.activate_trigger('graphics update', self) 
    11296 File
    11297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11298 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11299 trigger.activate(data) 
    11300 File
    11301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11302 packages/chimerax/core/triggerset.py", line 190, in activate 
    11303 ret = handler.invoke(data, self._remove_bad_handlers) 
    11304 File
    11305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11306 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11307 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11308 File
    11309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11310 packages/chimerax/core/session.py", line 943, in <lambda> 
    11311 logger.report_exception(preface=preface)) 
    11312 File
    11313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11314 packages/chimerax/core/logger.py", line 421, in report_exception 
    11315 elif probably_chimera1_session(exc_info): 
    11316 File
    11317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11318 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11319 etype, evalue, etraceback = exc_info 
    11320 TypeError: cannot unpack non-iterable NoneType object 
    11321  
    11322 TypeError: cannot unpack non-iterable NoneType object 
    11323  
    11324 File
    11325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11326 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11327 etype, evalue, etraceback = exc_info 
    11328  
    11329 See log for complete Python traceback. 
    11330  
    11331 Traceback (most recent call last): 
    11332 File
    11333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11334 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11335 return self._func(self._name, data) 
    11336 File
    11337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11338 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11339 if v.display: 
    11340 File
    11341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11342 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11343 return self._any_displayed_positions and len(self._positions) > 0 
    11344 TypeError: object of type 'NoneType' has no len() 
    11345  
    11346 During handling of the above exception, another exception occurred: 
    11347  
    11348 Traceback (most recent call last): 
    11349 File
    11350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11351 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11352 if not self.draw_new_frame(): 
    11353 File
    11354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11355 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11356 changed = view.check_for_drawing_change() 
    11357 File
    11358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11359 packages/chimerax/core/graphics/view.py", line 252, in
    11360 check_for_drawing_change 
    11361 trig.activate_trigger('graphics update', self) 
    11362 File
    11363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11364 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11365 trigger.activate(data) 
    11366 File
    11367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11368 packages/chimerax/core/triggerset.py", line 190, in activate 
    11369 ret = handler.invoke(data, self._remove_bad_handlers) 
    11370 File
    11371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11372 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11373 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11374 File
    11375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11376 packages/chimerax/core/session.py", line 943, in <lambda> 
    11377 logger.report_exception(preface=preface)) 
    11378 File
    11379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11380 packages/chimerax/core/logger.py", line 421, in report_exception 
    11381 elif probably_chimera1_session(exc_info): 
    11382 File
    11383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11384 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11385 etype, evalue, etraceback = exc_info 
    11386 TypeError: cannot unpack non-iterable NoneType object 
    11387  
    11388 TypeError: cannot unpack non-iterable NoneType object 
    11389  
    11390 File
    11391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11392 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11393 etype, evalue, etraceback = exc_info 
    11394  
    11395 See log for complete Python traceback. 
    11396  
    11397 Traceback (most recent call last): 
    11398 File
    11399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11400 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11401 return self._func(self._name, data) 
    11402 File
    11403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11404 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11405 if v.display: 
    11406 File
    11407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11408 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11409 return self._any_displayed_positions and len(self._positions) > 0 
    11410 TypeError: object of type 'NoneType' has no len() 
    11411  
    11412 During handling of the above exception, another exception occurred: 
    11413  
    11414 Traceback (most recent call last): 
    11415 File
    11416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11417 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11418 if not self.draw_new_frame(): 
    11419 File
    11420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11421 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11422 changed = view.check_for_drawing_change() 
    11423 File
    11424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11425 packages/chimerax/core/graphics/view.py", line 252, in
    11426 check_for_drawing_change 
    11427 trig.activate_trigger('graphics update', self) 
    11428 File
    11429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11430 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11431 trigger.activate(data) 
    11432 File
    11433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11434 packages/chimerax/core/triggerset.py", line 190, in activate 
    11435 ret = handler.invoke(data, self._remove_bad_handlers) 
    11436 File
    11437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11438 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11439 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11440 File
    11441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11442 packages/chimerax/core/session.py", line 943, in <lambda> 
    11443 logger.report_exception(preface=preface)) 
    11444 File
    11445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11446 packages/chimerax/core/logger.py", line 421, in report_exception 
    11447 elif probably_chimera1_session(exc_info): 
    11448 File
    11449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11450 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11451 etype, evalue, etraceback = exc_info 
    11452 TypeError: cannot unpack non-iterable NoneType object 
    11453  
    11454 TypeError: cannot unpack non-iterable NoneType object 
    11455  
    11456 File
    11457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11458 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11459 etype, evalue, etraceback = exc_info 
    11460  
    11461 See log for complete Python traceback. 
    11462  
    11463 Traceback (most recent call last): 
    11464 File
    11465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11466 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11467 return self._func(self._name, data) 
    11468 File
    11469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11470 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11471 if v.display: 
    11472 File
    11473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11474 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11475 return self._any_displayed_positions and len(self._positions) > 0 
    11476 TypeError: object of type 'NoneType' has no len() 
    11477  
    11478 During handling of the above exception, another exception occurred: 
    11479  
    11480 Traceback (most recent call last): 
    11481 File
    11482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11483 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11484 if not self.draw_new_frame(): 
    11485 File
    11486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11487 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11488 changed = view.check_for_drawing_change() 
    11489 File
    11490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11491 packages/chimerax/core/graphics/view.py", line 252, in
    11492 check_for_drawing_change 
    11493 trig.activate_trigger('graphics update', self) 
    11494 File
    11495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11496 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11497 trigger.activate(data) 
    11498 File
    11499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11500 packages/chimerax/core/triggerset.py", line 190, in activate 
    11501 ret = handler.invoke(data, self._remove_bad_handlers) 
    11502 File
    11503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11504 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11505 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11506 File
    11507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11508 packages/chimerax/core/session.py", line 943, in <lambda> 
    11509 logger.report_exception(preface=preface)) 
    11510 File
    11511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11512 packages/chimerax/core/logger.py", line 421, in report_exception 
    11513 elif probably_chimera1_session(exc_info): 
    11514 File
    11515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11516 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11517 etype, evalue, etraceback = exc_info 
    11518 TypeError: cannot unpack non-iterable NoneType object 
    11519  
    11520 TypeError: cannot unpack non-iterable NoneType object 
    11521  
    11522 File
    11523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11524 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11525 etype, evalue, etraceback = exc_info 
    11526  
    11527 See log for complete Python traceback. 
    11528  
    11529 Traceback (most recent call last): 
    11530 File
    11531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11532 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11533 return self._func(self._name, data) 
    11534 File
    11535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11536 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11537 if v.display: 
    11538 File
    11539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11540 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11541 return self._any_displayed_positions and len(self._positions) > 0 
    11542 TypeError: object of type 'NoneType' has no len() 
    11543  
    11544 During handling of the above exception, another exception occurred: 
    11545  
    11546 Traceback (most recent call last): 
    11547 File
    11548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11549 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11550 if not self.draw_new_frame(): 
    11551 File
    11552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11553 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11554 changed = view.check_for_drawing_change() 
    11555 File
    11556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11557 packages/chimerax/core/graphics/view.py", line 252, in
    11558 check_for_drawing_change 
    11559 trig.activate_trigger('graphics update', self) 
    11560 File
    11561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11562 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11563 trigger.activate(data) 
    11564 File
    11565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11566 packages/chimerax/core/triggerset.py", line 190, in activate 
    11567 ret = handler.invoke(data, self._remove_bad_handlers) 
    11568 File
    11569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11570 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11571 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11572 File
    11573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11574 packages/chimerax/core/session.py", line 943, in <lambda> 
    11575 logger.report_exception(preface=preface)) 
    11576 File
    11577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11578 packages/chimerax/core/logger.py", line 421, in report_exception 
    11579 elif probably_chimera1_session(exc_info): 
    11580 File
    11581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11582 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11583 etype, evalue, etraceback = exc_info 
    11584 TypeError: cannot unpack non-iterable NoneType object 
    11585  
    11586 TypeError: cannot unpack non-iterable NoneType object 
    11587  
    11588 File
    11589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11590 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11591 etype, evalue, etraceback = exc_info 
    11592  
    11593 See log for complete Python traceback. 
    11594  
    11595 Traceback (most recent call last): 
    11596 File
    11597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11598 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11599 return self._func(self._name, data) 
    11600 File
    11601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11602 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11603 if v.display: 
    11604 File
    11605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11606 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11607 return self._any_displayed_positions and len(self._positions) > 0 
    11608 TypeError: object of type 'NoneType' has no len() 
    11609  
    11610 During handling of the above exception, another exception occurred: 
    11611  
    11612 Traceback (most recent call last): 
    11613 File
    11614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11615 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11616 if not self.draw_new_frame(): 
    11617 File
    11618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11619 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11620 changed = view.check_for_drawing_change() 
    11621 File
    11622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11623 packages/chimerax/core/graphics/view.py", line 252, in
    11624 check_for_drawing_change 
    11625 trig.activate_trigger('graphics update', self) 
    11626 File
    11627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11628 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11629 trigger.activate(data) 
    11630 File
    11631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11632 packages/chimerax/core/triggerset.py", line 190, in activate 
    11633 ret = handler.invoke(data, self._remove_bad_handlers) 
    11634 File
    11635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11636 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11637 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11638 File
    11639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11640 packages/chimerax/core/session.py", line 943, in <lambda> 
    11641 logger.report_exception(preface=preface)) 
    11642 File
    11643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11644 packages/chimerax/core/logger.py", line 421, in report_exception 
    11645 elif probably_chimera1_session(exc_info): 
    11646 File
    11647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11648 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11649 etype, evalue, etraceback = exc_info 
    11650 TypeError: cannot unpack non-iterable NoneType object 
    11651  
    11652 TypeError: cannot unpack non-iterable NoneType object 
    11653  
    11654 File
    11655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11656 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11657 etype, evalue, etraceback = exc_info 
    11658  
    11659 See log for complete Python traceback. 
    11660  
    11661 Traceback (most recent call last): 
    11662 File
    11663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11664 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11665 return self._func(self._name, data) 
    11666 File
    11667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11668 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11669 if v.display: 
    11670 File
    11671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11672 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11673 return self._any_displayed_positions and len(self._positions) > 0 
    11674 TypeError: object of type 'NoneType' has no len() 
    11675  
    11676 During handling of the above exception, another exception occurred: 
    11677  
    11678 Traceback (most recent call last): 
    11679 File
    11680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11681 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11682 if not self.draw_new_frame(): 
    11683 File
    11684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11685 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11686 changed = view.check_for_drawing_change() 
    11687 File
    11688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11689 packages/chimerax/core/graphics/view.py", line 252, in
    11690 check_for_drawing_change 
    11691 trig.activate_trigger('graphics update', self) 
    11692 File
    11693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11694 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11695 trigger.activate(data) 
    11696 File
    11697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11698 packages/chimerax/core/triggerset.py", line 190, in activate 
    11699 ret = handler.invoke(data, self._remove_bad_handlers) 
    11700 File
    11701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11702 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11703 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11704 File
    11705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11706 packages/chimerax/core/session.py", line 943, in <lambda> 
    11707 logger.report_exception(preface=preface)) 
    11708 File
    11709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11710 packages/chimerax/core/logger.py", line 421, in report_exception 
    11711 elif probably_chimera1_session(exc_info): 
    11712 File
    11713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11714 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11715 etype, evalue, etraceback = exc_info 
    11716 TypeError: cannot unpack non-iterable NoneType object 
    11717  
    11718 TypeError: cannot unpack non-iterable NoneType object 
    11719  
    11720 File
    11721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11722 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11723 etype, evalue, etraceback = exc_info 
    11724  
    11725 See log for complete Python traceback. 
    11726  
    11727 Traceback (most recent call last): 
    11728 File
    11729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11730 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11731 return self._func(self._name, data) 
    11732 File
    11733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11734 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11735 if v.display: 
    11736 File
    11737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11738 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11739 return self._any_displayed_positions and len(self._positions) > 0 
    11740 TypeError: object of type 'NoneType' has no len() 
    11741  
    11742 During handling of the above exception, another exception occurred: 
    11743  
    11744 Traceback (most recent call last): 
    11745 File
    11746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11747 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11748 if not self.draw_new_frame(): 
    11749 File
    11750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11751 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11752 changed = view.check_for_drawing_change() 
    11753 File
    11754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11755 packages/chimerax/core/graphics/view.py", line 252, in
    11756 check_for_drawing_change 
    11757 trig.activate_trigger('graphics update', self) 
    11758 File
    11759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11760 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11761 trigger.activate(data) 
    11762 File
    11763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11764 packages/chimerax/core/triggerset.py", line 190, in activate 
    11765 ret = handler.invoke(data, self._remove_bad_handlers) 
    11766 File
    11767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11768 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11769 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11770 File
    11771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11772 packages/chimerax/core/session.py", line 943, in <lambda> 
    11773 logger.report_exception(preface=preface)) 
    11774 File
    11775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11776 packages/chimerax/core/logger.py", line 421, in report_exception 
    11777 elif probably_chimera1_session(exc_info): 
    11778 File
    11779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11780 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11781 etype, evalue, etraceback = exc_info 
    11782 TypeError: cannot unpack non-iterable NoneType object 
    11783  
    11784 TypeError: cannot unpack non-iterable NoneType object 
    11785  
    11786 File
    11787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11788 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11789 etype, evalue, etraceback = exc_info 
    11790  
    11791 See log for complete Python traceback. 
    11792  
    11793 Traceback (most recent call last): 
    11794 File
    11795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11796 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11797 return self._func(self._name, data) 
    11798 File
    11799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11800 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11801 if v.display: 
    11802 File
    11803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11804 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11805 return self._any_displayed_positions and len(self._positions) > 0 
    11806 TypeError: object of type 'NoneType' has no len() 
    11807  
    11808 During handling of the above exception, another exception occurred: 
    11809  
    11810 Traceback (most recent call last): 
    11811 File
    11812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11813 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11814 if not self.draw_new_frame(): 
    11815 File
    11816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11817 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11818 changed = view.check_for_drawing_change() 
    11819 File
    11820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11821 packages/chimerax/core/graphics/view.py", line 252, in
    11822 check_for_drawing_change 
    11823 trig.activate_trigger('graphics update', self) 
    11824 File
    11825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11826 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11827 trigger.activate(data) 
    11828 File
    11829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11830 packages/chimerax/core/triggerset.py", line 190, in activate 
    11831 ret = handler.invoke(data, self._remove_bad_handlers) 
    11832 File
    11833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11834 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11835 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11836 File
    11837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11838 packages/chimerax/core/session.py", line 943, in <lambda> 
    11839 logger.report_exception(preface=preface)) 
    11840 File
    11841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11842 packages/chimerax/core/logger.py", line 421, in report_exception 
    11843 elif probably_chimera1_session(exc_info): 
    11844 File
    11845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11846 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11847 etype, evalue, etraceback = exc_info 
    11848 TypeError: cannot unpack non-iterable NoneType object 
    11849  
    11850 TypeError: cannot unpack non-iterable NoneType object 
    11851  
    11852 File
    11853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11854 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11855 etype, evalue, etraceback = exc_info 
    11856  
    11857 See log for complete Python traceback. 
    11858  
    11859 Traceback (most recent call last): 
    11860 File
    11861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11862 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11863 return self._func(self._name, data) 
    11864 File
    11865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11866 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11867 if v.display: 
    11868 File
    11869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11870 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11871 return self._any_displayed_positions and len(self._positions) > 0 
    11872 TypeError: object of type 'NoneType' has no len() 
    11873  
    11874 During handling of the above exception, another exception occurred: 
    11875  
    11876 Traceback (most recent call last): 
    11877 File
    11878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11879 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11880 if not self.draw_new_frame(): 
    11881 File
    11882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11883 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11884 changed = view.check_for_drawing_change() 
    11885 File
    11886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11887 packages/chimerax/core/graphics/view.py", line 252, in
    11888 check_for_drawing_change 
    11889 trig.activate_trigger('graphics update', self) 
    11890 File
    11891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11892 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11893 trigger.activate(data) 
    11894 File
    11895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11896 packages/chimerax/core/triggerset.py", line 190, in activate 
    11897 ret = handler.invoke(data, self._remove_bad_handlers) 
    11898 File
    11899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11900 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11901 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11902 File
    11903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11904 packages/chimerax/core/session.py", line 943, in <lambda> 
    11905 logger.report_exception(preface=preface)) 
    11906 File
    11907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11908 packages/chimerax/core/logger.py", line 421, in report_exception 
    11909 elif probably_chimera1_session(exc_info): 
    11910 File
    11911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11912 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11913 etype, evalue, etraceback = exc_info 
    11914 TypeError: cannot unpack non-iterable NoneType object 
    11915  
    11916 TypeError: cannot unpack non-iterable NoneType object 
    11917  
    11918 File
    11919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11920 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11921 etype, evalue, etraceback = exc_info 
    11922  
    11923 See log for complete Python traceback. 
    11924  
    11925 Traceback (most recent call last): 
    11926 File
    11927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11928 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11929 return self._func(self._name, data) 
    11930 File
    11931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11932 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11933 if v.display: 
    11934 File
    11935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11936 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    11937 return self._any_displayed_positions and len(self._positions) > 0 
    11938 TypeError: object of type 'NoneType' has no len() 
    11939  
    11940 During handling of the above exception, another exception occurred: 
    11941  
    11942 Traceback (most recent call last): 
    11943 File
    11944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11945 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    11946 if not self.draw_new_frame(): 
    11947 File
    11948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11949 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    11950 changed = view.check_for_drawing_change() 
    11951 File
    11952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11953 packages/chimerax/core/graphics/view.py", line 252, in
    11954 check_for_drawing_change 
    11955 trig.activate_trigger('graphics update', self) 
    11956 File
    11957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11958 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    11959 trigger.activate(data) 
    11960 File
    11961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11962 packages/chimerax/core/triggerset.py", line 190, in activate 
    11963 ret = handler.invoke(data, self._remove_bad_handlers) 
    11964 File
    11965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11966 packages/chimerax/core/triggerset.py", line 132, in invoke 
    11967 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    11968 File
    11969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11970 packages/chimerax/core/session.py", line 943, in <lambda> 
    11971 logger.report_exception(preface=preface)) 
    11972 File
    11973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11974 packages/chimerax/core/logger.py", line 421, in report_exception 
    11975 elif probably_chimera1_session(exc_info): 
    11976 File
    11977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11978 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11979 etype, evalue, etraceback = exc_info 
    11980 TypeError: cannot unpack non-iterable NoneType object 
    11981  
    11982 TypeError: cannot unpack non-iterable NoneType object 
    11983  
    11984 File
    11985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11986 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    11987 etype, evalue, etraceback = exc_info 
    11988  
    11989 See log for complete Python traceback. 
    11990  
    11991 Traceback (most recent call last): 
    11992 File
    11993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11994 packages/chimerax/core/triggerset.py", line 130, in invoke 
    11995 return self._func(self._name, data) 
    11996 File
    11997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    11998 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    11999 if v.display: 
    12000 File
    12001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12002 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12003 return self._any_displayed_positions and len(self._positions) > 0 
    12004 TypeError: object of type 'NoneType' has no len() 
    12005  
    12006 During handling of the above exception, another exception occurred: 
    12007  
    12008 Traceback (most recent call last): 
    12009 File
    12010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12011 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12012 if not self.draw_new_frame(): 
    12013 File
    12014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12015 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12016 changed = view.check_for_drawing_change() 
    12017 File
    12018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12019 packages/chimerax/core/graphics/view.py", line 252, in
    12020 check_for_drawing_change 
    12021 trig.activate_trigger('graphics update', self) 
    12022 File
    12023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12024 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12025 trigger.activate(data) 
    12026 File
    12027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12028 packages/chimerax/core/triggerset.py", line 190, in activate 
    12029 ret = handler.invoke(data, self._remove_bad_handlers) 
    12030 File
    12031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12032 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12033 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12034 File
    12035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12036 packages/chimerax/core/session.py", line 943, in <lambda> 
    12037 logger.report_exception(preface=preface)) 
    12038 File
    12039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12040 packages/chimerax/core/logger.py", line 421, in report_exception 
    12041 elif probably_chimera1_session(exc_info): 
    12042 File
    12043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12044 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12045 etype, evalue, etraceback = exc_info 
    12046 TypeError: cannot unpack non-iterable NoneType object 
    12047  
    12048 TypeError: cannot unpack non-iterable NoneType object 
    12049  
    12050 File
    12051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12052 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12053 etype, evalue, etraceback = exc_info 
    12054  
    12055 See log for complete Python traceback. 
    12056  
    12057 Traceback (most recent call last): 
    12058 File
    12059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12060 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12061 return self._func(self._name, data) 
    12062 File
    12063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12064 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12065 if v.display: 
    12066 File
    12067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12068 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12069 return self._any_displayed_positions and len(self._positions) > 0 
    12070 TypeError: object of type 'NoneType' has no len() 
    12071  
    12072 During handling of the above exception, another exception occurred: 
    12073  
    12074 Traceback (most recent call last): 
    12075 File
    12076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12077 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12078 if not self.draw_new_frame(): 
    12079 File
    12080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12081 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12082 changed = view.check_for_drawing_change() 
    12083 File
    12084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12085 packages/chimerax/core/graphics/view.py", line 252, in
    12086 check_for_drawing_change 
    12087 trig.activate_trigger('graphics update', self) 
    12088 File
    12089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12090 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12091 trigger.activate(data) 
    12092 File
    12093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12094 packages/chimerax/core/triggerset.py", line 190, in activate 
    12095 ret = handler.invoke(data, self._remove_bad_handlers) 
    12096 File
    12097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12098 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12099 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12100 File
    12101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12102 packages/chimerax/core/session.py", line 943, in <lambda> 
    12103 logger.report_exception(preface=preface)) 
    12104 File
    12105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12106 packages/chimerax/core/logger.py", line 421, in report_exception 
    12107 elif probably_chimera1_session(exc_info): 
    12108 File
    12109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12110 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12111 etype, evalue, etraceback = exc_info 
    12112 TypeError: cannot unpack non-iterable NoneType object 
    12113  
    12114 TypeError: cannot unpack non-iterable NoneType object 
    12115  
    12116 File
    12117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12118 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12119 etype, evalue, etraceback = exc_info 
    12120  
    12121 See log for complete Python traceback. 
    12122  
    12123 Traceback (most recent call last): 
    12124 File
    12125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12126 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12127 return self._func(self._name, data) 
    12128 File
    12129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12130 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12131 if v.display: 
    12132 File
    12133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12134 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12135 return self._any_displayed_positions and len(self._positions) > 0 
    12136 TypeError: object of type 'NoneType' has no len() 
    12137  
    12138 During handling of the above exception, another exception occurred: 
    12139  
    12140 Traceback (most recent call last): 
    12141 File
    12142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12143 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12144 if not self.draw_new_frame(): 
    12145 File
    12146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12147 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12148 changed = view.check_for_drawing_change() 
    12149 File
    12150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12151 packages/chimerax/core/graphics/view.py", line 252, in
    12152 check_for_drawing_change 
    12153 trig.activate_trigger('graphics update', self) 
    12154 File
    12155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12156 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12157 trigger.activate(data) 
    12158 File
    12159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12160 packages/chimerax/core/triggerset.py", line 190, in activate 
    12161 ret = handler.invoke(data, self._remove_bad_handlers) 
    12162 File
    12163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12164 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12165 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12166 File
    12167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12168 packages/chimerax/core/session.py", line 943, in <lambda> 
    12169 logger.report_exception(preface=preface)) 
    12170 File
    12171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12172 packages/chimerax/core/logger.py", line 421, in report_exception 
    12173 elif probably_chimera1_session(exc_info): 
    12174 File
    12175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12176 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12177 etype, evalue, etraceback = exc_info 
    12178 TypeError: cannot unpack non-iterable NoneType object 
    12179  
    12180 TypeError: cannot unpack non-iterable NoneType object 
    12181  
    12182 File
    12183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12184 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12185 etype, evalue, etraceback = exc_info 
    12186  
    12187 See log for complete Python traceback. 
    12188  
    12189 Traceback (most recent call last): 
    12190 File
    12191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12192 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12193 return self._func(self._name, data) 
    12194 File
    12195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12196 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12197 if v.display: 
    12198 File
    12199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12200 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12201 return self._any_displayed_positions and len(self._positions) > 0 
    12202 TypeError: object of type 'NoneType' has no len() 
    12203  
    12204 During handling of the above exception, another exception occurred: 
    12205  
    12206 Traceback (most recent call last): 
    12207 File
    12208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12209 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12210 if not self.draw_new_frame(): 
    12211 File
    12212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12213 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12214 changed = view.check_for_drawing_change() 
    12215 File
    12216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12217 packages/chimerax/core/graphics/view.py", line 252, in
    12218 check_for_drawing_change 
    12219 trig.activate_trigger('graphics update', self) 
    12220 File
    12221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12222 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12223 trigger.activate(data) 
    12224 File
    12225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12226 packages/chimerax/core/triggerset.py", line 190, in activate 
    12227 ret = handler.invoke(data, self._remove_bad_handlers) 
    12228 File
    12229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12230 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12231 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12232 File
    12233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12234 packages/chimerax/core/session.py", line 943, in <lambda> 
    12235 logger.report_exception(preface=preface)) 
    12236 File
    12237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12238 packages/chimerax/core/logger.py", line 421, in report_exception 
    12239 elif probably_chimera1_session(exc_info): 
    12240 File
    12241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12242 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12243 etype, evalue, etraceback = exc_info 
    12244 TypeError: cannot unpack non-iterable NoneType object 
    12245  
    12246 TypeError: cannot unpack non-iterable NoneType object 
    12247  
    12248 File
    12249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12250 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12251 etype, evalue, etraceback = exc_info 
    12252  
    12253 See log for complete Python traceback. 
    12254  
    12255 Traceback (most recent call last): 
    12256 File
    12257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12258 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12259 return self._func(self._name, data) 
    12260 File
    12261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12262 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12263 if v.display: 
    12264 File
    12265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12266 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12267 return self._any_displayed_positions and len(self._positions) > 0 
    12268 TypeError: object of type 'NoneType' has no len() 
    12269  
    12270 During handling of the above exception, another exception occurred: 
    12271  
    12272 Traceback (most recent call last): 
    12273 File
    12274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12275 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12276 if not self.draw_new_frame(): 
    12277 File
    12278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12279 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12280 changed = view.check_for_drawing_change() 
    12281 File
    12282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12283 packages/chimerax/core/graphics/view.py", line 252, in
    12284 check_for_drawing_change 
    12285 trig.activate_trigger('graphics update', self) 
    12286 File
    12287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12288 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12289 trigger.activate(data) 
    12290 File
    12291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12292 packages/chimerax/core/triggerset.py", line 190, in activate 
    12293 ret = handler.invoke(data, self._remove_bad_handlers) 
    12294 File
    12295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12296 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12297 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12298 File
    12299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12300 packages/chimerax/core/session.py", line 943, in <lambda> 
    12301 logger.report_exception(preface=preface)) 
    12302 File
    12303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12304 packages/chimerax/core/logger.py", line 421, in report_exception 
    12305 elif probably_chimera1_session(exc_info): 
    12306 File
    12307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12308 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12309 etype, evalue, etraceback = exc_info 
    12310 TypeError: cannot unpack non-iterable NoneType object 
    12311  
    12312 TypeError: cannot unpack non-iterable NoneType object 
    12313  
    12314 File
    12315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12316 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12317 etype, evalue, etraceback = exc_info 
    12318  
    12319 See log for complete Python traceback. 
    12320  
    12321 Traceback (most recent call last): 
    12322 File
    12323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12324 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12325 return self._func(self._name, data) 
    12326 File
    12327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12328 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12329 if v.display: 
    12330 File
    12331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12332 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12333 return self._any_displayed_positions and len(self._positions) > 0 
    12334 TypeError: object of type 'NoneType' has no len() 
    12335  
    12336 During handling of the above exception, another exception occurred: 
    12337  
    12338 Traceback (most recent call last): 
    12339 File
    12340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12341 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12342 if not self.draw_new_frame(): 
    12343 File
    12344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12345 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12346 changed = view.check_for_drawing_change() 
    12347 File
    12348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12349 packages/chimerax/core/graphics/view.py", line 252, in
    12350 check_for_drawing_change 
    12351 trig.activate_trigger('graphics update', self) 
    12352 File
    12353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12354 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12355 trigger.activate(data) 
    12356 File
    12357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12358 packages/chimerax/core/triggerset.py", line 190, in activate 
    12359 ret = handler.invoke(data, self._remove_bad_handlers) 
    12360 File
    12361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12362 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12363 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12364 File
    12365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12366 packages/chimerax/core/session.py", line 943, in <lambda> 
    12367 logger.report_exception(preface=preface)) 
    12368 File
    12369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12370 packages/chimerax/core/logger.py", line 421, in report_exception 
    12371 elif probably_chimera1_session(exc_info): 
    12372 File
    12373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12374 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12375 etype, evalue, etraceback = exc_info 
    12376 TypeError: cannot unpack non-iterable NoneType object 
    12377  
    12378 TypeError: cannot unpack non-iterable NoneType object 
    12379  
    12380 File
    12381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12382 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12383 etype, evalue, etraceback = exc_info 
    12384  
    12385 See log for complete Python traceback. 
    12386  
    12387 Traceback (most recent call last): 
    12388 File
    12389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12390 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12391 return self._func(self._name, data) 
    12392 File
    12393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12394 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12395 if v.display: 
    12396 File
    12397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12398 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12399 return self._any_displayed_positions and len(self._positions) > 0 
    12400 TypeError: object of type 'NoneType' has no len() 
    12401  
    12402 During handling of the above exception, another exception occurred: 
    12403  
    12404 Traceback (most recent call last): 
    12405 File
    12406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12407 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12408 if not self.draw_new_frame(): 
    12409 File
    12410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12411 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12412 changed = view.check_for_drawing_change() 
    12413 File
    12414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12415 packages/chimerax/core/graphics/view.py", line 252, in
    12416 check_for_drawing_change 
    12417 trig.activate_trigger('graphics update', self) 
    12418 File
    12419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12420 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12421 trigger.activate(data) 
    12422 File
    12423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12424 packages/chimerax/core/triggerset.py", line 190, in activate 
    12425 ret = handler.invoke(data, self._remove_bad_handlers) 
    12426 File
    12427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12428 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12429 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12430 File
    12431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12432 packages/chimerax/core/session.py", line 943, in <lambda> 
    12433 logger.report_exception(preface=preface)) 
    12434 File
    12435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12436 packages/chimerax/core/logger.py", line 421, in report_exception 
    12437 elif probably_chimera1_session(exc_info): 
    12438 File
    12439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12440 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12441 etype, evalue, etraceback = exc_info 
    12442 TypeError: cannot unpack non-iterable NoneType object 
    12443  
    12444 TypeError: cannot unpack non-iterable NoneType object 
    12445  
    12446 File
    12447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12448 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12449 etype, evalue, etraceback = exc_info 
    12450  
    12451 See log for complete Python traceback. 
    12452  
    12453 Traceback (most recent call last): 
    12454 File
    12455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12456 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12457 return self._func(self._name, data) 
    12458 File
    12459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12460 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12461 if v.display: 
    12462 File
    12463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12464 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12465 return self._any_displayed_positions and len(self._positions) > 0 
    12466 TypeError: object of type 'NoneType' has no len() 
    12467  
    12468 During handling of the above exception, another exception occurred: 
    12469  
    12470 Traceback (most recent call last): 
    12471 File
    12472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12473 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12474 if not self.draw_new_frame(): 
    12475 File
    12476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12477 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12478 changed = view.check_for_drawing_change() 
    12479 File
    12480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12481 packages/chimerax/core/graphics/view.py", line 252, in
    12482 check_for_drawing_change 
    12483 trig.activate_trigger('graphics update', self) 
    12484 File
    12485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12486 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12487 trigger.activate(data) 
    12488 File
    12489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12490 packages/chimerax/core/triggerset.py", line 190, in activate 
    12491 ret = handler.invoke(data, self._remove_bad_handlers) 
    12492 File
    12493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12494 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12495 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12496 File
    12497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12498 packages/chimerax/core/session.py", line 943, in <lambda> 
    12499 logger.report_exception(preface=preface)) 
    12500 File
    12501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12502 packages/chimerax/core/logger.py", line 421, in report_exception 
    12503 elif probably_chimera1_session(exc_info): 
    12504 File
    12505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12506 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12507 etype, evalue, etraceback = exc_info 
    12508 TypeError: cannot unpack non-iterable NoneType object 
    12509  
    12510 TypeError: cannot unpack non-iterable NoneType object 
    12511  
    12512 File
    12513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12514 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12515 etype, evalue, etraceback = exc_info 
    12516  
    12517 See log for complete Python traceback. 
    12518  
    12519 Traceback (most recent call last): 
    12520 File
    12521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12522 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12523 return self._func(self._name, data) 
    12524 File
    12525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12526 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12527 if v.display: 
    12528 File
    12529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12530 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12531 return self._any_displayed_positions and len(self._positions) > 0 
    12532 TypeError: object of type 'NoneType' has no len() 
    12533  
    12534 During handling of the above exception, another exception occurred: 
    12535  
    12536 Traceback (most recent call last): 
    12537 File
    12538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12539 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12540 if not self.draw_new_frame(): 
    12541 File
    12542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12543 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12544 changed = view.check_for_drawing_change() 
    12545 File
    12546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12547 packages/chimerax/core/graphics/view.py", line 252, in
    12548 check_for_drawing_change 
    12549 trig.activate_trigger('graphics update', self) 
    12550 File
    12551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12552 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12553 trigger.activate(data) 
    12554 File
    12555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12556 packages/chimerax/core/triggerset.py", line 190, in activate 
    12557 ret = handler.invoke(data, self._remove_bad_handlers) 
    12558 File
    12559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12560 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12561 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12562 File
    12563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12564 packages/chimerax/core/session.py", line 943, in <lambda> 
    12565 logger.report_exception(preface=preface)) 
    12566 File
    12567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12568 packages/chimerax/core/logger.py", line 421, in report_exception 
    12569 elif probably_chimera1_session(exc_info): 
    12570 File
    12571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12572 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12573 etype, evalue, etraceback = exc_info 
    12574 TypeError: cannot unpack non-iterable NoneType object 
    12575  
    12576 TypeError: cannot unpack non-iterable NoneType object 
    12577  
    12578 File
    12579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12580 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12581 etype, evalue, etraceback = exc_info 
    12582  
    12583 See log for complete Python traceback. 
    12584  
    12585 Traceback (most recent call last): 
    12586 File
    12587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12588 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12589 return self._func(self._name, data) 
    12590 File
    12591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12592 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12593 if v.display: 
    12594 File
    12595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12596 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12597 return self._any_displayed_positions and len(self._positions) > 0 
    12598 TypeError: object of type 'NoneType' has no len() 
    12599  
    12600 During handling of the above exception, another exception occurred: 
    12601  
    12602 Traceback (most recent call last): 
    12603 File
    12604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12605 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12606 if not self.draw_new_frame(): 
    12607 File
    12608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12609 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12610 changed = view.check_for_drawing_change() 
    12611 File
    12612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12613 packages/chimerax/core/graphics/view.py", line 252, in
    12614 check_for_drawing_change 
    12615 trig.activate_trigger('graphics update', self) 
    12616 File
    12617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12618 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12619 trigger.activate(data) 
    12620 File
    12621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12622 packages/chimerax/core/triggerset.py", line 190, in activate 
    12623 ret = handler.invoke(data, self._remove_bad_handlers) 
    12624 File
    12625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12626 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12627 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12628 File
    12629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12630 packages/chimerax/core/session.py", line 943, in <lambda> 
    12631 logger.report_exception(preface=preface)) 
    12632 File
    12633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12634 packages/chimerax/core/logger.py", line 421, in report_exception 
    12635 elif probably_chimera1_session(exc_info): 
    12636 File
    12637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12638 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12639 etype, evalue, etraceback = exc_info 
    12640 TypeError: cannot unpack non-iterable NoneType object 
    12641  
    12642 TypeError: cannot unpack non-iterable NoneType object 
    12643  
    12644 File
    12645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12646 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12647 etype, evalue, etraceback = exc_info 
    12648  
    12649 See log for complete Python traceback. 
    12650  
    12651 Traceback (most recent call last): 
    12652 File
    12653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12654 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12655 return self._func(self._name, data) 
    12656 File
    12657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12658 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12659 if v.display: 
    12660 File
    12661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12662 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12663 return self._any_displayed_positions and len(self._positions) > 0 
    12664 TypeError: object of type 'NoneType' has no len() 
    12665  
    12666 During handling of the above exception, another exception occurred: 
    12667  
    12668 Traceback (most recent call last): 
    12669 File
    12670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12671 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12672 if not self.draw_new_frame(): 
    12673 File
    12674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12675 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12676 changed = view.check_for_drawing_change() 
    12677 File
    12678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12679 packages/chimerax/core/graphics/view.py", line 252, in
    12680 check_for_drawing_change 
    12681 trig.activate_trigger('graphics update', self) 
    12682 File
    12683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12684 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12685 trigger.activate(data) 
    12686 File
    12687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12688 packages/chimerax/core/triggerset.py", line 190, in activate 
    12689 ret = handler.invoke(data, self._remove_bad_handlers) 
    12690 File
    12691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12692 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12693 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12694 File
    12695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12696 packages/chimerax/core/session.py", line 943, in <lambda> 
    12697 logger.report_exception(preface=preface)) 
    12698 File
    12699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12700 packages/chimerax/core/logger.py", line 421, in report_exception 
    12701 elif probably_chimera1_session(exc_info): 
    12702 File
    12703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12704 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12705 etype, evalue, etraceback = exc_info 
    12706 TypeError: cannot unpack non-iterable NoneType object 
    12707  
    12708 TypeError: cannot unpack non-iterable NoneType object 
    12709  
    12710 File
    12711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12712 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12713 etype, evalue, etraceback = exc_info 
    12714  
    12715 See log for complete Python traceback. 
    12716  
    12717 Traceback (most recent call last): 
    12718 File
    12719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12720 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12721 return self._func(self._name, data) 
    12722 File
    12723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12724 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12725 if v.display: 
    12726 File
    12727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12728 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12729 return self._any_displayed_positions and len(self._positions) > 0 
    12730 TypeError: object of type 'NoneType' has no len() 
    12731  
    12732 During handling of the above exception, another exception occurred: 
    12733  
    12734 Traceback (most recent call last): 
    12735 File
    12736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12737 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12738 if not self.draw_new_frame(): 
    12739 File
    12740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12741 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12742 changed = view.check_for_drawing_change() 
    12743 File
    12744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12745 packages/chimerax/core/graphics/view.py", line 252, in
    12746 check_for_drawing_change 
    12747 trig.activate_trigger('graphics update', self) 
    12748 File
    12749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12750 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12751 trigger.activate(data) 
    12752 File
    12753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12754 packages/chimerax/core/triggerset.py", line 190, in activate 
    12755 ret = handler.invoke(data, self._remove_bad_handlers) 
    12756 File
    12757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12758 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12759 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12760 File
    12761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12762 packages/chimerax/core/session.py", line 943, in <lambda> 
    12763 logger.report_exception(preface=preface)) 
    12764 File
    12765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12766 packages/chimerax/core/logger.py", line 421, in report_exception 
    12767 elif probably_chimera1_session(exc_info): 
    12768 File
    12769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12770 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12771 etype, evalue, etraceback = exc_info 
    12772 TypeError: cannot unpack non-iterable NoneType object 
    12773  
    12774 TypeError: cannot unpack non-iterable NoneType object 
    12775  
    12776 File
    12777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12778 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12779 etype, evalue, etraceback = exc_info 
    12780  
    12781 See log for complete Python traceback. 
    12782  
    12783 Traceback (most recent call last): 
    12784 File
    12785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12786 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12787 return self._func(self._name, data) 
    12788 File
    12789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12790 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12791 if v.display: 
    12792 File
    12793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12794 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12795 return self._any_displayed_positions and len(self._positions) > 0 
    12796 TypeError: object of type 'NoneType' has no len() 
    12797  
    12798 During handling of the above exception, another exception occurred: 
    12799  
    12800 Traceback (most recent call last): 
    12801 File
    12802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12803 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12804 if not self.draw_new_frame(): 
    12805 File
    12806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12807 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12808 changed = view.check_for_drawing_change() 
    12809 File
    12810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12811 packages/chimerax/core/graphics/view.py", line 252, in
    12812 check_for_drawing_change 
    12813 trig.activate_trigger('graphics update', self) 
    12814 File
    12815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12816 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12817 trigger.activate(data) 
    12818 File
    12819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12820 packages/chimerax/core/triggerset.py", line 190, in activate 
    12821 ret = handler.invoke(data, self._remove_bad_handlers) 
    12822 File
    12823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12824 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12825 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12826 File
    12827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12828 packages/chimerax/core/session.py", line 943, in <lambda> 
    12829 logger.report_exception(preface=preface)) 
    12830 File
    12831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12832 packages/chimerax/core/logger.py", line 421, in report_exception 
    12833 elif probably_chimera1_session(exc_info): 
    12834 File
    12835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12836 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12837 etype, evalue, etraceback = exc_info 
    12838 TypeError: cannot unpack non-iterable NoneType object 
    12839  
    12840 TypeError: cannot unpack non-iterable NoneType object 
    12841  
    12842 File
    12843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12844 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12845 etype, evalue, etraceback = exc_info 
    12846  
    12847 See log for complete Python traceback. 
    12848  
    12849 Traceback (most recent call last): 
    12850 File
    12851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12852 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12853 return self._func(self._name, data) 
    12854 File
    12855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12856 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12857 if v.display: 
    12858 File
    12859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12860 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12861 return self._any_displayed_positions and len(self._positions) > 0 
    12862 TypeError: object of type 'NoneType' has no len() 
    12863  
    12864 During handling of the above exception, another exception occurred: 
    12865  
    12866 Traceback (most recent call last): 
    12867 File
    12868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12869 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12870 if not self.draw_new_frame(): 
    12871 File
    12872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12873 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12874 changed = view.check_for_drawing_change() 
    12875 File
    12876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12877 packages/chimerax/core/graphics/view.py", line 252, in
    12878 check_for_drawing_change 
    12879 trig.activate_trigger('graphics update', self) 
    12880 File
    12881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12882 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12883 trigger.activate(data) 
    12884 File
    12885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12886 packages/chimerax/core/triggerset.py", line 190, in activate 
    12887 ret = handler.invoke(data, self._remove_bad_handlers) 
    12888 File
    12889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12890 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12891 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12892 File
    12893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12894 packages/chimerax/core/session.py", line 943, in <lambda> 
    12895 logger.report_exception(preface=preface)) 
    12896 File
    12897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12898 packages/chimerax/core/logger.py", line 421, in report_exception 
    12899 elif probably_chimera1_session(exc_info): 
    12900 File
    12901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12902 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12903 etype, evalue, etraceback = exc_info 
    12904 TypeError: cannot unpack non-iterable NoneType object 
    12905  
    12906 TypeError: cannot unpack non-iterable NoneType object 
    12907  
    12908 File
    12909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12910 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12911 etype, evalue, etraceback = exc_info 
    12912  
    12913 See log for complete Python traceback. 
    12914  
    12915 Traceback (most recent call last): 
    12916 File
    12917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12919 return self._func(self._name, data) 
    12920 File
    12921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12922 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12923 if v.display: 
    12924 File
    12925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12926 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12927 return self._any_displayed_positions and len(self._positions) > 0 
    12928 TypeError: object of type 'NoneType' has no len() 
    12929  
    12930 During handling of the above exception, another exception occurred: 
    12931  
    12932 Traceback (most recent call last): 
    12933 File
    12934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12935 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    12936 if not self.draw_new_frame(): 
    12937 File
    12938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12939 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    12940 changed = view.check_for_drawing_change() 
    12941 File
    12942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12943 packages/chimerax/core/graphics/view.py", line 252, in
    12944 check_for_drawing_change 
    12945 trig.activate_trigger('graphics update', self) 
    12946 File
    12947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12948 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    12949 trigger.activate(data) 
    12950 File
    12951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12952 packages/chimerax/core/triggerset.py", line 190, in activate 
    12953 ret = handler.invoke(data, self._remove_bad_handlers) 
    12954 File
    12955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12956 packages/chimerax/core/triggerset.py", line 132, in invoke 
    12957 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    12958 File
    12959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12960 packages/chimerax/core/session.py", line 943, in <lambda> 
    12961 logger.report_exception(preface=preface)) 
    12962 File
    12963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12964 packages/chimerax/core/logger.py", line 421, in report_exception 
    12965 elif probably_chimera1_session(exc_info): 
    12966 File
    12967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12968 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12969 etype, evalue, etraceback = exc_info 
    12970 TypeError: cannot unpack non-iterable NoneType object 
    12971  
    12972 TypeError: cannot unpack non-iterable NoneType object 
    12973  
    12974 File
    12975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12976 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    12977 etype, evalue, etraceback = exc_info 
    12978  
    12979 See log for complete Python traceback. 
    12980  
    12981 Traceback (most recent call last): 
    12982 File
    12983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12984 packages/chimerax/core/triggerset.py", line 130, in invoke 
    12985 return self._func(self._name, data) 
    12986 File
    12987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12988 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    12989 if v.display: 
    12990 File
    12991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    12992 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    12993 return self._any_displayed_positions and len(self._positions) > 0 
    12994 TypeError: object of type 'NoneType' has no len() 
    12995  
    12996 During handling of the above exception, another exception occurred: 
    12997  
    12998 Traceback (most recent call last): 
    12999 File
    13000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13001 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13002 if not self.draw_new_frame(): 
    13003 File
    13004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13005 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13006 changed = view.check_for_drawing_change() 
    13007 File
    13008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13009 packages/chimerax/core/graphics/view.py", line 252, in
    13010 check_for_drawing_change 
    13011 trig.activate_trigger('graphics update', self) 
    13012 File
    13013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13014 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13015 trigger.activate(data) 
    13016 File
    13017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13018 packages/chimerax/core/triggerset.py", line 190, in activate 
    13019 ret = handler.invoke(data, self._remove_bad_handlers) 
    13020 File
    13021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13022 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13023 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13024 File
    13025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13026 packages/chimerax/core/session.py", line 943, in <lambda> 
    13027 logger.report_exception(preface=preface)) 
    13028 File
    13029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13030 packages/chimerax/core/logger.py", line 421, in report_exception 
    13031 elif probably_chimera1_session(exc_info): 
    13032 File
    13033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13034 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13035 etype, evalue, etraceback = exc_info 
    13036 TypeError: cannot unpack non-iterable NoneType object 
    13037  
    13038 TypeError: cannot unpack non-iterable NoneType object 
    13039  
    13040 File
    13041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13042 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13043 etype, evalue, etraceback = exc_info 
    13044  
    13045 See log for complete Python traceback. 
    13046  
    13047 Traceback (most recent call last): 
    13048 File
    13049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13050 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13051 return self._func(self._name, data) 
    13052 File
    13053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13054 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13055 if v.display: 
    13056 File
    13057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13058 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13059 return self._any_displayed_positions and len(self._positions) > 0 
    13060 TypeError: object of type 'NoneType' has no len() 
    13061  
    13062 During handling of the above exception, another exception occurred: 
    13063  
    13064 Traceback (most recent call last): 
    13065 File
    13066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13067 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13068 if not self.draw_new_frame(): 
    13069 File
    13070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13071 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13072 changed = view.check_for_drawing_change() 
    13073 File
    13074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13075 packages/chimerax/core/graphics/view.py", line 252, in
    13076 check_for_drawing_change 
    13077 trig.activate_trigger('graphics update', self) 
    13078 File
    13079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13080 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13081 trigger.activate(data) 
    13082 File
    13083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13084 packages/chimerax/core/triggerset.py", line 190, in activate 
    13085 ret = handler.invoke(data, self._remove_bad_handlers) 
    13086 File
    13087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13088 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13089 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13090 File
    13091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13092 packages/chimerax/core/session.py", line 943, in <lambda> 
    13093 logger.report_exception(preface=preface)) 
    13094 File
    13095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13096 packages/chimerax/core/logger.py", line 421, in report_exception 
    13097 elif probably_chimera1_session(exc_info): 
    13098 File
    13099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13100 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13101 etype, evalue, etraceback = exc_info 
    13102 TypeError: cannot unpack non-iterable NoneType object 
    13103  
    13104 TypeError: cannot unpack non-iterable NoneType object 
    13105  
    13106 File
    13107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13108 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13109 etype, evalue, etraceback = exc_info 
    13110  
    13111 See log for complete Python traceback. 
    13112  
    13113 Traceback (most recent call last): 
    13114 File
    13115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13116 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13117 return self._func(self._name, data) 
    13118 File
    13119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13120 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13121 if v.display: 
    13122 File
    13123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13124 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13125 return self._any_displayed_positions and len(self._positions) > 0 
    13126 TypeError: object of type 'NoneType' has no len() 
    13127  
    13128 During handling of the above exception, another exception occurred: 
    13129  
    13130 Traceback (most recent call last): 
    13131 File
    13132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13133 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13134 if not self.draw_new_frame(): 
    13135 File
    13136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13137 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13138 changed = view.check_for_drawing_change() 
    13139 File
    13140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13141 packages/chimerax/core/graphics/view.py", line 252, in
    13142 check_for_drawing_change 
    13143 trig.activate_trigger('graphics update', self) 
    13144 File
    13145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13146 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13147 trigger.activate(data) 
    13148 File
    13149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13150 packages/chimerax/core/triggerset.py", line 190, in activate 
    13151 ret = handler.invoke(data, self._remove_bad_handlers) 
    13152 File
    13153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13154 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13155 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13156 File
    13157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13158 packages/chimerax/core/session.py", line 943, in <lambda> 
    13159 logger.report_exception(preface=preface)) 
    13160 File
    13161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13162 packages/chimerax/core/logger.py", line 421, in report_exception 
    13163 elif probably_chimera1_session(exc_info): 
    13164 File
    13165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13166 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13167 etype, evalue, etraceback = exc_info 
    13168 TypeError: cannot unpack non-iterable NoneType object 
    13169  
    13170 TypeError: cannot unpack non-iterable NoneType object 
    13171  
    13172 File
    13173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13174 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13175 etype, evalue, etraceback = exc_info 
    13176  
    13177 See log for complete Python traceback. 
    13178  
    13179 Traceback (most recent call last): 
    13180 File
    13181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13182 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13183 return self._func(self._name, data) 
    13184 File
    13185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13186 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13187 if v.display: 
    13188 File
    13189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13190 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13191 return self._any_displayed_positions and len(self._positions) > 0 
    13192 TypeError: object of type 'NoneType' has no len() 
    13193  
    13194 During handling of the above exception, another exception occurred: 
    13195  
    13196 Traceback (most recent call last): 
    13197 File
    13198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13199 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13200 if not self.draw_new_frame(): 
    13201 File
    13202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13203 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13204 changed = view.check_for_drawing_change() 
    13205 File
    13206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13207 packages/chimerax/core/graphics/view.py", line 252, in
    13208 check_for_drawing_change 
    13209 trig.activate_trigger('graphics update', self) 
    13210 File
    13211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13212 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13213 trigger.activate(data) 
    13214 File
    13215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13216 packages/chimerax/core/triggerset.py", line 190, in activate 
    13217 ret = handler.invoke(data, self._remove_bad_handlers) 
    13218 File
    13219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13220 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13221 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13222 File
    13223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13224 packages/chimerax/core/session.py", line 943, in <lambda> 
    13225 logger.report_exception(preface=preface)) 
    13226 File
    13227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13228 packages/chimerax/core/logger.py", line 421, in report_exception 
    13229 elif probably_chimera1_session(exc_info): 
    13230 File
    13231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13232 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13233 etype, evalue, etraceback = exc_info 
    13234 TypeError: cannot unpack non-iterable NoneType object 
    13235  
    13236 TypeError: cannot unpack non-iterable NoneType object 
    13237  
    13238 File
    13239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13240 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13241 etype, evalue, etraceback = exc_info 
    13242  
    13243 See log for complete Python traceback. 
    13244  
    13245 Traceback (most recent call last): 
    13246 File
    13247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13248 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13249 return self._func(self._name, data) 
    13250 File
    13251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13252 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13253 if v.display: 
    13254 File
    13255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13256 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13257 return self._any_displayed_positions and len(self._positions) > 0 
    13258 TypeError: object of type 'NoneType' has no len() 
    13259  
    13260 During handling of the above exception, another exception occurred: 
    13261  
    13262 Traceback (most recent call last): 
    13263 File
    13264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13265 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13266 if not self.draw_new_frame(): 
    13267 File
    13268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13269 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13270 changed = view.check_for_drawing_change() 
    13271 File
    13272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13273 packages/chimerax/core/graphics/view.py", line 252, in
    13274 check_for_drawing_change 
    13275 trig.activate_trigger('graphics update', self) 
    13276 File
    13277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13278 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13279 trigger.activate(data) 
    13280 File
    13281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13282 packages/chimerax/core/triggerset.py", line 190, in activate 
    13283 ret = handler.invoke(data, self._remove_bad_handlers) 
    13284 File
    13285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13286 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13287 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13288 File
    13289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13290 packages/chimerax/core/session.py", line 943, in <lambda> 
    13291 logger.report_exception(preface=preface)) 
    13292 File
    13293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13294 packages/chimerax/core/logger.py", line 421, in report_exception 
    13295 elif probably_chimera1_session(exc_info): 
    13296 File
    13297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13298 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13299 etype, evalue, etraceback = exc_info 
    13300 TypeError: cannot unpack non-iterable NoneType object 
    13301  
    13302 TypeError: cannot unpack non-iterable NoneType object 
    13303  
    13304 File
    13305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13306 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13307 etype, evalue, etraceback = exc_info 
    13308  
    13309 See log for complete Python traceback. 
    13310  
    13311 Traceback (most recent call last): 
    13312 File
    13313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13314 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13315 return self._func(self._name, data) 
    13316 File
    13317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13318 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13319 if v.display: 
    13320 File
    13321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13322 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13323 return self._any_displayed_positions and len(self._positions) > 0 
    13324 TypeError: object of type 'NoneType' has no len() 
    13325  
    13326 During handling of the above exception, another exception occurred: 
    13327  
    13328 Traceback (most recent call last): 
    13329 File
    13330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13331 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13332 if not self.draw_new_frame(): 
    13333 File
    13334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13335 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13336 changed = view.check_for_drawing_change() 
    13337 File
    13338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13339 packages/chimerax/core/graphics/view.py", line 252, in
    13340 check_for_drawing_change 
    13341 trig.activate_trigger('graphics update', self) 
    13342 File
    13343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13344 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13345 trigger.activate(data) 
    13346 File
    13347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13348 packages/chimerax/core/triggerset.py", line 190, in activate 
    13349 ret = handler.invoke(data, self._remove_bad_handlers) 
    13350 File
    13351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13352 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13353 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13354 File
    13355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13356 packages/chimerax/core/session.py", line 943, in <lambda> 
    13357 logger.report_exception(preface=preface)) 
    13358 File
    13359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13360 packages/chimerax/core/logger.py", line 421, in report_exception 
    13361 elif probably_chimera1_session(exc_info): 
    13362 File
    13363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13364 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13365 etype, evalue, etraceback = exc_info 
    13366 TypeError: cannot unpack non-iterable NoneType object 
    13367  
    13368 TypeError: cannot unpack non-iterable NoneType object 
    13369  
    13370 File
    13371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13372 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13373 etype, evalue, etraceback = exc_info 
    13374  
    13375 See log for complete Python traceback. 
    13376  
    13377 Traceback (most recent call last): 
    13378 File
    13379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13380 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13381 return self._func(self._name, data) 
    13382 File
    13383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13384 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13385 if v.display: 
    13386 File
    13387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13388 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13389 return self._any_displayed_positions and len(self._positions) > 0 
    13390 TypeError: object of type 'NoneType' has no len() 
    13391  
    13392 During handling of the above exception, another exception occurred: 
    13393  
    13394 Traceback (most recent call last): 
    13395 File
    13396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13397 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13398 if not self.draw_new_frame(): 
    13399 File
    13400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13401 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13402 changed = view.check_for_drawing_change() 
    13403 File
    13404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13405 packages/chimerax/core/graphics/view.py", line 252, in
    13406 check_for_drawing_change 
    13407 trig.activate_trigger('graphics update', self) 
    13408 File
    13409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13410 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13411 trigger.activate(data) 
    13412 File
    13413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13414 packages/chimerax/core/triggerset.py", line 190, in activate 
    13415 ret = handler.invoke(data, self._remove_bad_handlers) 
    13416 File
    13417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13418 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13419 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13420 File
    13421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13422 packages/chimerax/core/session.py", line 943, in <lambda> 
    13423 logger.report_exception(preface=preface)) 
    13424 File
    13425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13426 packages/chimerax/core/logger.py", line 421, in report_exception 
    13427 elif probably_chimera1_session(exc_info): 
    13428 File
    13429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13430 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13431 etype, evalue, etraceback = exc_info 
    13432 TypeError: cannot unpack non-iterable NoneType object 
    13433  
    13434 TypeError: cannot unpack non-iterable NoneType object 
    13435  
    13436 File
    13437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13438 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13439 etype, evalue, etraceback = exc_info 
    13440  
    13441 See log for complete Python traceback. 
    13442  
    13443 Traceback (most recent call last): 
    13444 File
    13445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13446 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13447 return self._func(self._name, data) 
    13448 File
    13449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13450 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13451 if v.display: 
    13452 File
    13453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13454 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13455 return self._any_displayed_positions and len(self._positions) > 0 
    13456 TypeError: object of type 'NoneType' has no len() 
    13457  
    13458 During handling of the above exception, another exception occurred: 
    13459  
    13460 Traceback (most recent call last): 
    13461 File
    13462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13463 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13464 if not self.draw_new_frame(): 
    13465 File
    13466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13467 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13468 changed = view.check_for_drawing_change() 
    13469 File
    13470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13471 packages/chimerax/core/graphics/view.py", line 252, in
    13472 check_for_drawing_change 
    13473 trig.activate_trigger('graphics update', self) 
    13474 File
    13475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13476 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13477 trigger.activate(data) 
    13478 File
    13479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13480 packages/chimerax/core/triggerset.py", line 190, in activate 
    13481 ret = handler.invoke(data, self._remove_bad_handlers) 
    13482 File
    13483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13484 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13485 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13486 File
    13487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13488 packages/chimerax/core/session.py", line 943, in <lambda> 
    13489 logger.report_exception(preface=preface)) 
    13490 File
    13491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13492 packages/chimerax/core/logger.py", line 421, in report_exception 
    13493 elif probably_chimera1_session(exc_info): 
    13494 File
    13495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13496 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13497 etype, evalue, etraceback = exc_info 
    13498 TypeError: cannot unpack non-iterable NoneType object 
    13499  
    13500 TypeError: cannot unpack non-iterable NoneType object 
    13501  
    13502 File
    13503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13504 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13505 etype, evalue, etraceback = exc_info 
    13506  
    13507 See log for complete Python traceback. 
    13508  
    13509 Traceback (most recent call last): 
    13510 File
    13511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13512 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13513 return self._func(self._name, data) 
    13514 File
    13515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13516 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13517 if v.display: 
    13518 File
    13519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13520 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13521 return self._any_displayed_positions and len(self._positions) > 0 
    13522 TypeError: object of type 'NoneType' has no len() 
    13523  
    13524 During handling of the above exception, another exception occurred: 
    13525  
    13526 Traceback (most recent call last): 
    13527 File
    13528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13529 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13530 if not self.draw_new_frame(): 
    13531 File
    13532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13533 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13534 changed = view.check_for_drawing_change() 
    13535 File
    13536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13537 packages/chimerax/core/graphics/view.py", line 252, in
    13538 check_for_drawing_change 
    13539 trig.activate_trigger('graphics update', self) 
    13540 File
    13541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13542 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13543 trigger.activate(data) 
    13544 File
    13545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13546 packages/chimerax/core/triggerset.py", line 190, in activate 
    13547 ret = handler.invoke(data, self._remove_bad_handlers) 
    13548 File
    13549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13550 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13551 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13552 File
    13553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13554 packages/chimerax/core/session.py", line 943, in <lambda> 
    13555 logger.report_exception(preface=preface)) 
    13556 File
    13557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13558 packages/chimerax/core/logger.py", line 421, in report_exception 
    13559 elif probably_chimera1_session(exc_info): 
    13560 File
    13561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13562 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13563 etype, evalue, etraceback = exc_info 
    13564 TypeError: cannot unpack non-iterable NoneType object 
    13565  
    13566 TypeError: cannot unpack non-iterable NoneType object 
    13567  
    13568 File
    13569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13570 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13571 etype, evalue, etraceback = exc_info 
    13572  
    13573 See log for complete Python traceback. 
    13574  
    13575 Traceback (most recent call last): 
    13576 File
    13577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13578 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13579 return self._func(self._name, data) 
    13580 File
    13581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13582 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13583 if v.display: 
    13584 File
    13585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13586 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13587 return self._any_displayed_positions and len(self._positions) > 0 
    13588 TypeError: object of type 'NoneType' has no len() 
    13589  
    13590 During handling of the above exception, another exception occurred: 
    13591  
    13592 Traceback (most recent call last): 
    13593 File
    13594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13595 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13596 if not self.draw_new_frame(): 
    13597 File
    13598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13599 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13600 changed = view.check_for_drawing_change() 
    13601 File
    13602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13603 packages/chimerax/core/graphics/view.py", line 252, in
    13604 check_for_drawing_change 
    13605 trig.activate_trigger('graphics update', self) 
    13606 File
    13607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13608 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13609 trigger.activate(data) 
    13610 File
    13611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13612 packages/chimerax/core/triggerset.py", line 190, in activate 
    13613 ret = handler.invoke(data, self._remove_bad_handlers) 
    13614 File
    13615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13616 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13617 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13618 File
    13619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13620 packages/chimerax/core/session.py", line 943, in <lambda> 
    13621 logger.report_exception(preface=preface)) 
    13622 File
    13623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13624 packages/chimerax/core/logger.py", line 421, in report_exception 
    13625 elif probably_chimera1_session(exc_info): 
    13626 File
    13627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13628 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13629 etype, evalue, etraceback = exc_info 
    13630 TypeError: cannot unpack non-iterable NoneType object 
    13631  
    13632 TypeError: cannot unpack non-iterable NoneType object 
    13633  
    13634 File
    13635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13636 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13637 etype, evalue, etraceback = exc_info 
    13638  
    13639 See log for complete Python traceback. 
    13640  
    13641 Traceback (most recent call last): 
    13642 File
    13643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13644 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13645 return self._func(self._name, data) 
    13646 File
    13647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13648 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13649 if v.display: 
    13650 File
    13651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13652 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13653 return self._any_displayed_positions and len(self._positions) > 0 
    13654 TypeError: object of type 'NoneType' has no len() 
    13655  
    13656 During handling of the above exception, another exception occurred: 
    13657  
    13658 Traceback (most recent call last): 
    13659 File
    13660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13661 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13662 if not self.draw_new_frame(): 
    13663 File
    13664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13665 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13666 changed = view.check_for_drawing_change() 
    13667 File
    13668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13669 packages/chimerax/core/graphics/view.py", line 252, in
    13670 check_for_drawing_change 
    13671 trig.activate_trigger('graphics update', self) 
    13672 File
    13673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13674 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13675 trigger.activate(data) 
    13676 File
    13677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13678 packages/chimerax/core/triggerset.py", line 190, in activate 
    13679 ret = handler.invoke(data, self._remove_bad_handlers) 
    13680 File
    13681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13682 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13683 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13684 File
    13685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13686 packages/chimerax/core/session.py", line 943, in <lambda> 
    13687 logger.report_exception(preface=preface)) 
    13688 File
    13689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13690 packages/chimerax/core/logger.py", line 421, in report_exception 
    13691 elif probably_chimera1_session(exc_info): 
    13692 File
    13693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13694 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13695 etype, evalue, etraceback = exc_info 
    13696 TypeError: cannot unpack non-iterable NoneType object 
    13697  
    13698 TypeError: cannot unpack non-iterable NoneType object 
    13699  
    13700 File
    13701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13702 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13703 etype, evalue, etraceback = exc_info 
    13704  
    13705 See log for complete Python traceback. 
    13706  
    13707 Traceback (most recent call last): 
    13708 File
    13709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13710 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13711 return self._func(self._name, data) 
    13712 File
    13713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13714 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13715 if v.display: 
    13716 File
    13717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13718 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13719 return self._any_displayed_positions and len(self._positions) > 0 
    13720 TypeError: object of type 'NoneType' has no len() 
    13721  
    13722 During handling of the above exception, another exception occurred: 
    13723  
    13724 Traceback (most recent call last): 
    13725 File
    13726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13727 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13728 if not self.draw_new_frame(): 
    13729 File
    13730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13731 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13732 changed = view.check_for_drawing_change() 
    13733 File
    13734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13735 packages/chimerax/core/graphics/view.py", line 252, in
    13736 check_for_drawing_change 
    13737 trig.activate_trigger('graphics update', self) 
    13738 File
    13739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13740 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13741 trigger.activate(data) 
    13742 File
    13743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13744 packages/chimerax/core/triggerset.py", line 190, in activate 
    13745 ret = handler.invoke(data, self._remove_bad_handlers) 
    13746 File
    13747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13748 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13749 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13750 File
    13751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13752 packages/chimerax/core/session.py", line 943, in <lambda> 
    13753 logger.report_exception(preface=preface)) 
    13754 File
    13755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13756 packages/chimerax/core/logger.py", line 421, in report_exception 
    13757 elif probably_chimera1_session(exc_info): 
    13758 File
    13759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13760 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13761 etype, evalue, etraceback = exc_info 
    13762 TypeError: cannot unpack non-iterable NoneType object 
    13763  
    13764 TypeError: cannot unpack non-iterable NoneType object 
    13765  
    13766 File
    13767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13768 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13769 etype, evalue, etraceback = exc_info 
    13770  
    13771 See log for complete Python traceback. 
    13772  
    13773 Traceback (most recent call last): 
    13774 File
    13775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13776 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13777 return self._func(self._name, data) 
    13778 File
    13779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13780 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13781 if v.display: 
    13782 File
    13783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13784 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13785 return self._any_displayed_positions and len(self._positions) > 0 
    13786 TypeError: object of type 'NoneType' has no len() 
    13787  
    13788 During handling of the above exception, another exception occurred: 
    13789  
    13790 Traceback (most recent call last): 
    13791 File
    13792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13793 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13794 if not self.draw_new_frame(): 
    13795 File
    13796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13797 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13798 changed = view.check_for_drawing_change() 
    13799 File
    13800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13801 packages/chimerax/core/graphics/view.py", line 252, in
    13802 check_for_drawing_change 
    13803 trig.activate_trigger('graphics update', self) 
    13804 File
    13805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13806 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13807 trigger.activate(data) 
    13808 File
    13809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13810 packages/chimerax/core/triggerset.py", line 190, in activate 
    13811 ret = handler.invoke(data, self._remove_bad_handlers) 
    13812 File
    13813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13814 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13815 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13816 File
    13817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13818 packages/chimerax/core/session.py", line 943, in <lambda> 
    13819 logger.report_exception(preface=preface)) 
    13820 File
    13821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13822 packages/chimerax/core/logger.py", line 421, in report_exception 
    13823 elif probably_chimera1_session(exc_info): 
    13824 File
    13825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13826 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13827 etype, evalue, etraceback = exc_info 
    13828 TypeError: cannot unpack non-iterable NoneType object 
    13829  
    13830 TypeError: cannot unpack non-iterable NoneType object 
    13831  
    13832 File
    13833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13834 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13835 etype, evalue, etraceback = exc_info 
    13836  
    13837 See log for complete Python traceback. 
    13838  
    13839 Traceback (most recent call last): 
    13840 File
    13841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13842 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13843 return self._func(self._name, data) 
    13844 File
    13845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13846 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13847 if v.display: 
    13848 File
    13849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13850 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13851 return self._any_displayed_positions and len(self._positions) > 0 
    13852 TypeError: object of type 'NoneType' has no len() 
    13853  
    13854 During handling of the above exception, another exception occurred: 
    13855  
    13856 Traceback (most recent call last): 
    13857 File
    13858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13859 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13860 if not self.draw_new_frame(): 
    13861 File
    13862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13863 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13864 changed = view.check_for_drawing_change() 
    13865 File
    13866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13867 packages/chimerax/core/graphics/view.py", line 252, in
    13868 check_for_drawing_change 
    13869 trig.activate_trigger('graphics update', self) 
    13870 File
    13871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13872 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13873 trigger.activate(data) 
    13874 File
    13875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13876 packages/chimerax/core/triggerset.py", line 190, in activate 
    13877 ret = handler.invoke(data, self._remove_bad_handlers) 
    13878 File
    13879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13880 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13881 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13882 File
    13883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13884 packages/chimerax/core/session.py", line 943, in <lambda> 
    13885 logger.report_exception(preface=preface)) 
    13886 File
    13887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13888 packages/chimerax/core/logger.py", line 421, in report_exception 
    13889 elif probably_chimera1_session(exc_info): 
    13890 File
    13891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13892 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13893 etype, evalue, etraceback = exc_info 
    13894 TypeError: cannot unpack non-iterable NoneType object 
    13895  
    13896 TypeError: cannot unpack non-iterable NoneType object 
    13897  
    13898 File
    13899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13900 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13901 etype, evalue, etraceback = exc_info 
    13902  
    13903 See log for complete Python traceback. 
    13904  
    13905 Traceback (most recent call last): 
    13906 File
    13907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13908 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13909 return self._func(self._name, data) 
    13910 File
    13911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13912 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13913 if v.display: 
    13914 File
    13915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13916 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13917 return self._any_displayed_positions and len(self._positions) > 0 
    13918 TypeError: object of type 'NoneType' has no len() 
    13919  
    13920 During handling of the above exception, another exception occurred: 
    13921  
    13922 Traceback (most recent call last): 
    13923 File
    13924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13925 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13926 if not self.draw_new_frame(): 
    13927 File
    13928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13929 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13930 changed = view.check_for_drawing_change() 
    13931 File
    13932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13933 packages/chimerax/core/graphics/view.py", line 252, in
    13934 check_for_drawing_change 
    13935 trig.activate_trigger('graphics update', self) 
    13936 File
    13937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13938 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    13939 trigger.activate(data) 
    13940 File
    13941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13942 packages/chimerax/core/triggerset.py", line 190, in activate 
    13943 ret = handler.invoke(data, self._remove_bad_handlers) 
    13944 File
    13945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13946 packages/chimerax/core/triggerset.py", line 132, in invoke 
    13947 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    13948 File
    13949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13950 packages/chimerax/core/session.py", line 943, in <lambda> 
    13951 logger.report_exception(preface=preface)) 
    13952 File
    13953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13954 packages/chimerax/core/logger.py", line 421, in report_exception 
    13955 elif probably_chimera1_session(exc_info): 
    13956 File
    13957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13958 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13959 etype, evalue, etraceback = exc_info 
    13960 TypeError: cannot unpack non-iterable NoneType object 
    13961  
    13962 TypeError: cannot unpack non-iterable NoneType object 
    13963  
    13964 File
    13965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13966 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    13967 etype, evalue, etraceback = exc_info 
    13968  
    13969 See log for complete Python traceback. 
    13970  
    13971 Traceback (most recent call last): 
    13972 File
    13973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13974 packages/chimerax/core/triggerset.py", line 130, in invoke 
    13975 return self._func(self._name, data) 
    13976 File
    13977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13978 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    13979 if v.display: 
    13980 File
    13981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13982 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    13983 return self._any_displayed_positions and len(self._positions) > 0 
    13984 TypeError: object of type 'NoneType' has no len() 
    13985  
    13986 During handling of the above exception, another exception occurred: 
    13987  
    13988 Traceback (most recent call last): 
    13989 File
    13990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13991 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    13992 if not self.draw_new_frame(): 
    13993 File
    13994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13995 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    13996 changed = view.check_for_drawing_change() 
    13997 File
    13998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    13999 packages/chimerax/core/graphics/view.py", line 252, in
    14000 check_for_drawing_change 
    14001 trig.activate_trigger('graphics update', self) 
    14002 File
    14003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14004 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14005 trigger.activate(data) 
    14006 File
    14007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14008 packages/chimerax/core/triggerset.py", line 190, in activate 
    14009 ret = handler.invoke(data, self._remove_bad_handlers) 
    14010 File
    14011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14012 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14013 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14014 File
    14015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14016 packages/chimerax/core/session.py", line 943, in <lambda> 
    14017 logger.report_exception(preface=preface)) 
    14018 File
    14019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14020 packages/chimerax/core/logger.py", line 421, in report_exception 
    14021 elif probably_chimera1_session(exc_info): 
    14022 File
    14023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14024 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14025 etype, evalue, etraceback = exc_info 
    14026 TypeError: cannot unpack non-iterable NoneType object 
    14027  
    14028 TypeError: cannot unpack non-iterable NoneType object 
    14029  
    14030 File
    14031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14032 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14033 etype, evalue, etraceback = exc_info 
    14034  
    14035 See log for complete Python traceback. 
    14036  
    14037 Traceback (most recent call last): 
    14038 File
    14039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14040 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14041 return self._func(self._name, data) 
    14042 File
    14043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14044 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14045 if v.display: 
    14046 File
    14047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14048 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14049 return self._any_displayed_positions and len(self._positions) > 0 
    14050 TypeError: object of type 'NoneType' has no len() 
    14051  
    14052 During handling of the above exception, another exception occurred: 
    14053  
    14054 Traceback (most recent call last): 
    14055 File
    14056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14057 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14058 if not self.draw_new_frame(): 
    14059 File
    14060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14061 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14062 changed = view.check_for_drawing_change() 
    14063 File
    14064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14065 packages/chimerax/core/graphics/view.py", line 252, in
    14066 check_for_drawing_change 
    14067 trig.activate_trigger('graphics update', self) 
    14068 File
    14069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14070 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14071 trigger.activate(data) 
    14072 File
    14073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14074 packages/chimerax/core/triggerset.py", line 190, in activate 
    14075 ret = handler.invoke(data, self._remove_bad_handlers) 
    14076 File
    14077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14078 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14079 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14080 File
    14081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14082 packages/chimerax/core/session.py", line 943, in <lambda> 
    14083 logger.report_exception(preface=preface)) 
    14084 File
    14085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14086 packages/chimerax/core/logger.py", line 421, in report_exception 
    14087 elif probably_chimera1_session(exc_info): 
    14088 File
    14089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14090 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14091 etype, evalue, etraceback = exc_info 
    14092 TypeError: cannot unpack non-iterable NoneType object 
    14093  
    14094 TypeError: cannot unpack non-iterable NoneType object 
    14095  
    14096 File
    14097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14098 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14099 etype, evalue, etraceback = exc_info 
    14100  
    14101 See log for complete Python traceback. 
    14102  
    14103 Traceback (most recent call last): 
    14104 File
    14105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14106 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14107 return self._func(self._name, data) 
    14108 File
    14109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14110 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14111 if v.display: 
    14112 File
    14113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14114 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14115 return self._any_displayed_positions and len(self._positions) > 0 
    14116 TypeError: object of type 'NoneType' has no len() 
    14117  
    14118 During handling of the above exception, another exception occurred: 
    14119  
    14120 Traceback (most recent call last): 
    14121 File
    14122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14123 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14124 if not self.draw_new_frame(): 
    14125 File
    14126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14127 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14128 changed = view.check_for_drawing_change() 
    14129 File
    14130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14131 packages/chimerax/core/graphics/view.py", line 252, in
    14132 check_for_drawing_change 
    14133 trig.activate_trigger('graphics update', self) 
    14134 File
    14135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14136 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14137 trigger.activate(data) 
    14138 File
    14139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14140 packages/chimerax/core/triggerset.py", line 190, in activate 
    14141 ret = handler.invoke(data, self._remove_bad_handlers) 
    14142 File
    14143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14144 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14145 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14146 File
    14147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14148 packages/chimerax/core/session.py", line 943, in <lambda> 
    14149 logger.report_exception(preface=preface)) 
    14150 File
    14151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14152 packages/chimerax/core/logger.py", line 421, in report_exception 
    14153 elif probably_chimera1_session(exc_info): 
    14154 File
    14155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14156 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14157 etype, evalue, etraceback = exc_info 
    14158 TypeError: cannot unpack non-iterable NoneType object 
    14159  
    14160 TypeError: cannot unpack non-iterable NoneType object 
    14161  
    14162 File
    14163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14164 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14165 etype, evalue, etraceback = exc_info 
    14166  
    14167 See log for complete Python traceback. 
    14168  
    14169 Traceback (most recent call last): 
    14170 File
    14171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14172 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14173 return self._func(self._name, data) 
    14174 File
    14175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14176 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14177 if v.display: 
    14178 File
    14179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14180 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14181 return self._any_displayed_positions and len(self._positions) > 0 
    14182 TypeError: object of type 'NoneType' has no len() 
    14183  
    14184 During handling of the above exception, another exception occurred: 
    14185  
    14186 Traceback (most recent call last): 
    14187 File
    14188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14189 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14190 if not self.draw_new_frame(): 
    14191 File
    14192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14193 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14194 changed = view.check_for_drawing_change() 
    14195 File
    14196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14197 packages/chimerax/core/graphics/view.py", line 252, in
    14198 check_for_drawing_change 
    14199 trig.activate_trigger('graphics update', self) 
    14200 File
    14201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14202 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14203 trigger.activate(data) 
    14204 File
    14205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14206 packages/chimerax/core/triggerset.py", line 190, in activate 
    14207 ret = handler.invoke(data, self._remove_bad_handlers) 
    14208 File
    14209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14210 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14211 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14212 File
    14213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14214 packages/chimerax/core/session.py", line 943, in <lambda> 
    14215 logger.report_exception(preface=preface)) 
    14216 File
    14217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14218 packages/chimerax/core/logger.py", line 421, in report_exception 
    14219 elif probably_chimera1_session(exc_info): 
    14220 File
    14221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14222 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14223 etype, evalue, etraceback = exc_info 
    14224 TypeError: cannot unpack non-iterable NoneType object 
    14225  
    14226 TypeError: cannot unpack non-iterable NoneType object 
    14227  
    14228 File
    14229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14230 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14231 etype, evalue, etraceback = exc_info 
    14232  
    14233 See log for complete Python traceback. 
    14234  
    14235 Traceback (most recent call last): 
    14236 File
    14237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14238 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14239 return self._func(self._name, data) 
    14240 File
    14241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14242 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14243 if v.display: 
    14244 File
    14245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14246 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14247 return self._any_displayed_positions and len(self._positions) > 0 
    14248 TypeError: object of type 'NoneType' has no len() 
    14249  
    14250 During handling of the above exception, another exception occurred: 
    14251  
    14252 Traceback (most recent call last): 
    14253 File
    14254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14255 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14256 if not self.draw_new_frame(): 
    14257 File
    14258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14259 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14260 changed = view.check_for_drawing_change() 
    14261 File
    14262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14263 packages/chimerax/core/graphics/view.py", line 252, in
    14264 check_for_drawing_change 
    14265 trig.activate_trigger('graphics update', self) 
    14266 File
    14267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14268 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14269 trigger.activate(data) 
    14270 File
    14271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14272 packages/chimerax/core/triggerset.py", line 190, in activate 
    14273 ret = handler.invoke(data, self._remove_bad_handlers) 
    14274 File
    14275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14276 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14277 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14278 File
    14279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14280 packages/chimerax/core/session.py", line 943, in <lambda> 
    14281 logger.report_exception(preface=preface)) 
    14282 File
    14283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14284 packages/chimerax/core/logger.py", line 421, in report_exception 
    14285 elif probably_chimera1_session(exc_info): 
    14286 File
    14287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14288 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14289 etype, evalue, etraceback = exc_info 
    14290 TypeError: cannot unpack non-iterable NoneType object 
    14291  
    14292 TypeError: cannot unpack non-iterable NoneType object 
    14293  
    14294 File
    14295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14296 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14297 etype, evalue, etraceback = exc_info 
    14298  
    14299 See log for complete Python traceback. 
    14300  
    14301 Traceback (most recent call last): 
    14302 File
    14303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14304 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14305 return self._func(self._name, data) 
    14306 File
    14307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14308 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14309 if v.display: 
    14310 File
    14311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14312 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14313 return self._any_displayed_positions and len(self._positions) > 0 
    14314 TypeError: object of type 'NoneType' has no len() 
    14315  
    14316 During handling of the above exception, another exception occurred: 
    14317  
    14318 Traceback (most recent call last): 
    14319 File
    14320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14321 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14322 if not self.draw_new_frame(): 
    14323 File
    14324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14325 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14326 changed = view.check_for_drawing_change() 
    14327 File
    14328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14329 packages/chimerax/core/graphics/view.py", line 252, in
    14330 check_for_drawing_change 
    14331 trig.activate_trigger('graphics update', self) 
    14332 File
    14333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14334 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14335 trigger.activate(data) 
    14336 File
    14337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14338 packages/chimerax/core/triggerset.py", line 190, in activate 
    14339 ret = handler.invoke(data, self._remove_bad_handlers) 
    14340 File
    14341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14342 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14343 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14344 File
    14345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14346 packages/chimerax/core/session.py", line 943, in <lambda> 
    14347 logger.report_exception(preface=preface)) 
    14348 File
    14349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14350 packages/chimerax/core/logger.py", line 421, in report_exception 
    14351 elif probably_chimera1_session(exc_info): 
    14352 File
    14353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14354 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14355 etype, evalue, etraceback = exc_info 
    14356 TypeError: cannot unpack non-iterable NoneType object 
    14357  
    14358 TypeError: cannot unpack non-iterable NoneType object 
    14359  
    14360 File
    14361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14362 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14363 etype, evalue, etraceback = exc_info 
    14364  
    14365 See log for complete Python traceback. 
    14366  
    14367 Traceback (most recent call last): 
    14368 File
    14369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14370 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14371 return self._func(self._name, data) 
    14372 File
    14373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14374 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14375 if v.display: 
    14376 File
    14377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14378 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14379 return self._any_displayed_positions and len(self._positions) > 0 
    14380 TypeError: object of type 'NoneType' has no len() 
    14381  
    14382 During handling of the above exception, another exception occurred: 
    14383  
    14384 Traceback (most recent call last): 
    14385 File
    14386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14387 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14388 if not self.draw_new_frame(): 
    14389 File
    14390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14391 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14392 changed = view.check_for_drawing_change() 
    14393 File
    14394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14395 packages/chimerax/core/graphics/view.py", line 252, in
    14396 check_for_drawing_change 
    14397 trig.activate_trigger('graphics update', self) 
    14398 File
    14399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14400 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14401 trigger.activate(data) 
    14402 File
    14403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14404 packages/chimerax/core/triggerset.py", line 190, in activate 
    14405 ret = handler.invoke(data, self._remove_bad_handlers) 
    14406 File
    14407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14408 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14409 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14410 File
    14411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14412 packages/chimerax/core/session.py", line 943, in <lambda> 
    14413 logger.report_exception(preface=preface)) 
    14414 File
    14415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14416 packages/chimerax/core/logger.py", line 421, in report_exception 
    14417 elif probably_chimera1_session(exc_info): 
    14418 File
    14419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14420 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14421 etype, evalue, etraceback = exc_info 
    14422 TypeError: cannot unpack non-iterable NoneType object 
    14423  
    14424 TypeError: cannot unpack non-iterable NoneType object 
    14425  
    14426 File
    14427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14428 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14429 etype, evalue, etraceback = exc_info 
    14430  
    14431 See log for complete Python traceback. 
    14432  
    14433 Traceback (most recent call last): 
    14434 File
    14435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14436 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14437 return self._func(self._name, data) 
    14438 File
    14439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14440 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14441 if v.display: 
    14442 File
    14443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14444 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14445 return self._any_displayed_positions and len(self._positions) > 0 
    14446 TypeError: object of type 'NoneType' has no len() 
    14447  
    14448 During handling of the above exception, another exception occurred: 
    14449  
    14450 Traceback (most recent call last): 
    14451 File
    14452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14453 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14454 if not self.draw_new_frame(): 
    14455 File
    14456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14457 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14458 changed = view.check_for_drawing_change() 
    14459 File
    14460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14461 packages/chimerax/core/graphics/view.py", line 252, in
    14462 check_for_drawing_change 
    14463 trig.activate_trigger('graphics update', self) 
    14464 File
    14465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14466 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14467 trigger.activate(data) 
    14468 File
    14469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14470 packages/chimerax/core/triggerset.py", line 190, in activate 
    14471 ret = handler.invoke(data, self._remove_bad_handlers) 
    14472 File
    14473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14474 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14475 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14476 File
    14477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14478 packages/chimerax/core/session.py", line 943, in <lambda> 
    14479 logger.report_exception(preface=preface)) 
    14480 File
    14481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14482 packages/chimerax/core/logger.py", line 421, in report_exception 
    14483 elif probably_chimera1_session(exc_info): 
    14484 File
    14485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14486 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14487 etype, evalue, etraceback = exc_info 
    14488 TypeError: cannot unpack non-iterable NoneType object 
    14489  
    14490 TypeError: cannot unpack non-iterable NoneType object 
    14491  
    14492 File
    14493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14494 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14495 etype, evalue, etraceback = exc_info 
    14496  
    14497 See log for complete Python traceback. 
    14498  
    14499 Traceback (most recent call last): 
    14500 File
    14501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14502 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14503 return self._func(self._name, data) 
    14504 File
    14505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14506 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14507 if v.display: 
    14508 File
    14509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14510 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14511 return self._any_displayed_positions and len(self._positions) > 0 
    14512 TypeError: object of type 'NoneType' has no len() 
    14513  
    14514 During handling of the above exception, another exception occurred: 
    14515  
    14516 Traceback (most recent call last): 
    14517 File
    14518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14519 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14520 if not self.draw_new_frame(): 
    14521 File
    14522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14523 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14524 changed = view.check_for_drawing_change() 
    14525 File
    14526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14527 packages/chimerax/core/graphics/view.py", line 252, in
    14528 check_for_drawing_change 
    14529 trig.activate_trigger('graphics update', self) 
    14530 File
    14531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14532 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14533 trigger.activate(data) 
    14534 File
    14535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14536 packages/chimerax/core/triggerset.py", line 190, in activate 
    14537 ret = handler.invoke(data, self._remove_bad_handlers) 
    14538 File
    14539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14540 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14541 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14542 File
    14543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14544 packages/chimerax/core/session.py", line 943, in <lambda> 
    14545 logger.report_exception(preface=preface)) 
    14546 File
    14547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14548 packages/chimerax/core/logger.py", line 421, in report_exception 
    14549 elif probably_chimera1_session(exc_info): 
    14550 File
    14551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14552 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14553 etype, evalue, etraceback = exc_info 
    14554 TypeError: cannot unpack non-iterable NoneType object 
    14555  
    14556 TypeError: cannot unpack non-iterable NoneType object 
    14557  
    14558 File
    14559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14560 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14561 etype, evalue, etraceback = exc_info 
    14562  
    14563 See log for complete Python traceback. 
    14564  
    14565 Traceback (most recent call last): 
    14566 File
    14567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14569 return self._func(self._name, data) 
    14570 File
    14571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14572 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14573 if v.display: 
    14574 File
    14575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14576 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14577 return self._any_displayed_positions and len(self._positions) > 0 
    14578 TypeError: object of type 'NoneType' has no len() 
    14579  
    14580 During handling of the above exception, another exception occurred: 
    14581  
    14582 Traceback (most recent call last): 
    14583 File
    14584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14585 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14586 if not self.draw_new_frame(): 
    14587 File
    14588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14589 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14590 changed = view.check_for_drawing_change() 
    14591 File
    14592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14593 packages/chimerax/core/graphics/view.py", line 252, in
    14594 check_for_drawing_change 
    14595 trig.activate_trigger('graphics update', self) 
    14596 File
    14597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14598 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14599 trigger.activate(data) 
    14600 File
    14601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14602 packages/chimerax/core/triggerset.py", line 190, in activate 
    14603 ret = handler.invoke(data, self._remove_bad_handlers) 
    14604 File
    14605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14606 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14607 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14608 File
    14609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14610 packages/chimerax/core/session.py", line 943, in <lambda> 
    14611 logger.report_exception(preface=preface)) 
    14612 File
    14613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14614 packages/chimerax/core/logger.py", line 421, in report_exception 
    14615 elif probably_chimera1_session(exc_info): 
    14616 File
    14617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14618 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14619 etype, evalue, etraceback = exc_info 
    14620 TypeError: cannot unpack non-iterable NoneType object 
    14621  
    14622 TypeError: cannot unpack non-iterable NoneType object 
    14623  
    14624 File
    14625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14626 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14627 etype, evalue, etraceback = exc_info 
    14628  
    14629 See log for complete Python traceback. 
    14630  
    14631 Traceback (most recent call last): 
    14632 File
    14633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14634 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14635 return self._func(self._name, data) 
    14636 File
    14637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14638 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14639 if v.display: 
    14640 File
    14641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14642 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14643 return self._any_displayed_positions and len(self._positions) > 0 
    14644 TypeError: object of type 'NoneType' has no len() 
    14645  
    14646 During handling of the above exception, another exception occurred: 
    14647  
    14648 Traceback (most recent call last): 
    14649 File
    14650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14651 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14652 if not self.draw_new_frame(): 
    14653 File
    14654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14655 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14656 changed = view.check_for_drawing_change() 
    14657 File
    14658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14659 packages/chimerax/core/graphics/view.py", line 252, in
    14660 check_for_drawing_change 
    14661 trig.activate_trigger('graphics update', self) 
    14662 File
    14663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14664 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14665 trigger.activate(data) 
    14666 File
    14667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14668 packages/chimerax/core/triggerset.py", line 190, in activate 
    14669 ret = handler.invoke(data, self._remove_bad_handlers) 
    14670 File
    14671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14672 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14673 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14674 File
    14675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14676 packages/chimerax/core/session.py", line 943, in <lambda> 
    14677 logger.report_exception(preface=preface)) 
    14678 File
    14679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14680 packages/chimerax/core/logger.py", line 421, in report_exception 
    14681 elif probably_chimera1_session(exc_info): 
    14682 File
    14683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14684 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14685 etype, evalue, etraceback = exc_info 
    14686 TypeError: cannot unpack non-iterable NoneType object 
    14687  
    14688 TypeError: cannot unpack non-iterable NoneType object 
    14689  
    14690 File
    14691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14692 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14693 etype, evalue, etraceback = exc_info 
    14694  
    14695 See log for complete Python traceback. 
    14696  
    14697 Traceback (most recent call last): 
    14698 File
    14699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14700 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14701 return self._func(self._name, data) 
    14702 File
    14703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14704 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14705 if v.display: 
    14706 File
    14707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14708 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14709 return self._any_displayed_positions and len(self._positions) > 0 
    14710 TypeError: object of type 'NoneType' has no len() 
    14711  
    14712 During handling of the above exception, another exception occurred: 
    14713  
    14714 Traceback (most recent call last): 
    14715 File
    14716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14717 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14718 if not self.draw_new_frame(): 
    14719 File
    14720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14721 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14722 changed = view.check_for_drawing_change() 
    14723 File
    14724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14725 packages/chimerax/core/graphics/view.py", line 252, in
    14726 check_for_drawing_change 
    14727 trig.activate_trigger('graphics update', self) 
    14728 File
    14729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14730 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14731 trigger.activate(data) 
    14732 File
    14733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14734 packages/chimerax/core/triggerset.py", line 190, in activate 
    14735 ret = handler.invoke(data, self._remove_bad_handlers) 
    14736 File
    14737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14738 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14739 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14740 File
    14741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14742 packages/chimerax/core/session.py", line 943, in <lambda> 
    14743 logger.report_exception(preface=preface)) 
    14744 File
    14745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14746 packages/chimerax/core/logger.py", line 421, in report_exception 
    14747 elif probably_chimera1_session(exc_info): 
    14748 File
    14749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14750 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14751 etype, evalue, etraceback = exc_info 
    14752 TypeError: cannot unpack non-iterable NoneType object 
    14753  
    14754 TypeError: cannot unpack non-iterable NoneType object 
    14755  
    14756 File
    14757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14758 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14759 etype, evalue, etraceback = exc_info 
    14760  
    14761 See log for complete Python traceback. 
    14762  
    14763 Traceback (most recent call last): 
    14764 File
    14765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14766 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14767 return self._func(self._name, data) 
    14768 File
    14769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14770 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14771 if v.display: 
    14772 File
    14773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14774 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14775 return self._any_displayed_positions and len(self._positions) > 0 
    14776 TypeError: object of type 'NoneType' has no len() 
    14777  
    14778 During handling of the above exception, another exception occurred: 
    14779  
    14780 Traceback (most recent call last): 
    14781 File
    14782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14783 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14784 if not self.draw_new_frame(): 
    14785 File
    14786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14787 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14788 changed = view.check_for_drawing_change() 
    14789 File
    14790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14791 packages/chimerax/core/graphics/view.py", line 252, in
    14792 check_for_drawing_change 
    14793 trig.activate_trigger('graphics update', self) 
    14794 File
    14795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14796 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14797 trigger.activate(data) 
    14798 File
    14799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14800 packages/chimerax/core/triggerset.py", line 190, in activate 
    14801 ret = handler.invoke(data, self._remove_bad_handlers) 
    14802 File
    14803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14804 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14805 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14806 File
    14807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14808 packages/chimerax/core/session.py", line 943, in <lambda> 
    14809 logger.report_exception(preface=preface)) 
    14810 File
    14811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14812 packages/chimerax/core/logger.py", line 421, in report_exception 
    14813 elif probably_chimera1_session(exc_info): 
    14814 File
    14815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14816 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14817 etype, evalue, etraceback = exc_info 
    14818 TypeError: cannot unpack non-iterable NoneType object 
    14819  
    14820 TypeError: cannot unpack non-iterable NoneType object 
    14821  
    14822 File
    14823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14824 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14825 etype, evalue, etraceback = exc_info 
    14826  
    14827 See log for complete Python traceback. 
    14828  
    14829 Traceback (most recent call last): 
    14830 File
    14831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14832 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14833 return self._func(self._name, data) 
    14834 File
    14835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14836 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14837 if v.display: 
    14838 File
    14839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14840 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14841 return self._any_displayed_positions and len(self._positions) > 0 
    14842 TypeError: object of type 'NoneType' has no len() 
    14843  
    14844 During handling of the above exception, another exception occurred: 
    14845  
    14846 Traceback (most recent call last): 
    14847 File
    14848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14849 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14850 if not self.draw_new_frame(): 
    14851 File
    14852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14853 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14854 changed = view.check_for_drawing_change() 
    14855 File
    14856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14857 packages/chimerax/core/graphics/view.py", line 252, in
    14858 check_for_drawing_change 
    14859 trig.activate_trigger('graphics update', self) 
    14860 File
    14861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14862 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14863 trigger.activate(data) 
    14864 File
    14865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14866 packages/chimerax/core/triggerset.py", line 190, in activate 
    14867 ret = handler.invoke(data, self._remove_bad_handlers) 
    14868 File
    14869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14870 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14871 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14872 File
    14873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14874 packages/chimerax/core/session.py", line 943, in <lambda> 
    14875 logger.report_exception(preface=preface)) 
    14876 File
    14877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14878 packages/chimerax/core/logger.py", line 421, in report_exception 
    14879 elif probably_chimera1_session(exc_info): 
    14880 File
    14881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14882 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14883 etype, evalue, etraceback = exc_info 
    14884 TypeError: cannot unpack non-iterable NoneType object 
    14885  
    14886 TypeError: cannot unpack non-iterable NoneType object 
    14887  
    14888 File
    14889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14890 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14891 etype, evalue, etraceback = exc_info 
    14892  
    14893 See log for complete Python traceback. 
    14894  
    14895 Traceback (most recent call last): 
    14896 File
    14897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14898 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14899 return self._func(self._name, data) 
    14900 File
    14901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14902 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14903 if v.display: 
    14904 File
    14905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14906 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14907 return self._any_displayed_positions and len(self._positions) > 0 
    14908 TypeError: object of type 'NoneType' has no len() 
    14909  
    14910 During handling of the above exception, another exception occurred: 
    14911  
    14912 Traceback (most recent call last): 
    14913 File
    14914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14915 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14916 if not self.draw_new_frame(): 
    14917 File
    14918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14919 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14920 changed = view.check_for_drawing_change() 
    14921 File
    14922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14923 packages/chimerax/core/graphics/view.py", line 252, in
    14924 check_for_drawing_change 
    14925 trig.activate_trigger('graphics update', self) 
    14926 File
    14927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14928 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14929 trigger.activate(data) 
    14930 File
    14931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14932 packages/chimerax/core/triggerset.py", line 190, in activate 
    14933 ret = handler.invoke(data, self._remove_bad_handlers) 
    14934 File
    14935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14936 packages/chimerax/core/triggerset.py", line 132, in invoke 
    14937 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    14938 File
    14939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14940 packages/chimerax/core/session.py", line 943, in <lambda> 
    14941 logger.report_exception(preface=preface)) 
    14942 File
    14943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14944 packages/chimerax/core/logger.py", line 421, in report_exception 
    14945 elif probably_chimera1_session(exc_info): 
    14946 File
    14947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14948 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14949 etype, evalue, etraceback = exc_info 
    14950 TypeError: cannot unpack non-iterable NoneType object 
    14951  
    14952 TypeError: cannot unpack non-iterable NoneType object 
    14953  
    14954 File
    14955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14956 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    14957 etype, evalue, etraceback = exc_info 
    14958  
    14959 See log for complete Python traceback. 
    14960  
    14961 Traceback (most recent call last): 
    14962 File
    14963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14964 packages/chimerax/core/triggerset.py", line 130, in invoke 
    14965 return self._func(self._name, data) 
    14966 File
    14967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14968 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    14969 if v.display: 
    14970 File
    14971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14972 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    14973 return self._any_displayed_positions and len(self._positions) > 0 
    14974 TypeError: object of type 'NoneType' has no len() 
    14975  
    14976 During handling of the above exception, another exception occurred: 
    14977  
    14978 Traceback (most recent call last): 
    14979 File
    14980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14981 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    14982 if not self.draw_new_frame(): 
    14983 File
    14984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14985 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    14986 changed = view.check_for_drawing_change() 
    14987 File
    14988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14989 packages/chimerax/core/graphics/view.py", line 252, in
    14990 check_for_drawing_change 
    14991 trig.activate_trigger('graphics update', self) 
    14992 File
    14993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14994 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    14995 trigger.activate(data) 
    14996 File
    14997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    14998 packages/chimerax/core/triggerset.py", line 190, in activate 
    14999 ret = handler.invoke(data, self._remove_bad_handlers) 
    15000 File
    15001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15002 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15003 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15004 File
    15005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15006 packages/chimerax/core/session.py", line 943, in <lambda> 
    15007 logger.report_exception(preface=preface)) 
    15008 File
    15009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15010 packages/chimerax/core/logger.py", line 421, in report_exception 
    15011 elif probably_chimera1_session(exc_info): 
    15012 File
    15013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15014 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15015 etype, evalue, etraceback = exc_info 
    15016 TypeError: cannot unpack non-iterable NoneType object 
    15017  
    15018 TypeError: cannot unpack non-iterable NoneType object 
    15019  
    15020 File
    15021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15022 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15023 etype, evalue, etraceback = exc_info 
    15024  
    15025 See log for complete Python traceback. 
    15026  
    15027 Traceback (most recent call last): 
    15028 File
    15029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15030 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15031 return self._func(self._name, data) 
    15032 File
    15033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15034 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15035 if v.display: 
    15036 File
    15037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15038 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15039 return self._any_displayed_positions and len(self._positions) > 0 
    15040 TypeError: object of type 'NoneType' has no len() 
    15041  
    15042 During handling of the above exception, another exception occurred: 
    15043  
    15044 Traceback (most recent call last): 
    15045 File
    15046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15047 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15048 if not self.draw_new_frame(): 
    15049 File
    15050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15051 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15052 changed = view.check_for_drawing_change() 
    15053 File
    15054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15055 packages/chimerax/core/graphics/view.py", line 252, in
    15056 check_for_drawing_change 
    15057 trig.activate_trigger('graphics update', self) 
    15058 File
    15059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15060 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15061 trigger.activate(data) 
    15062 File
    15063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15064 packages/chimerax/core/triggerset.py", line 190, in activate 
    15065 ret = handler.invoke(data, self._remove_bad_handlers) 
    15066 File
    15067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15068 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15069 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15070 File
    15071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15072 packages/chimerax/core/session.py", line 943, in <lambda> 
    15073 logger.report_exception(preface=preface)) 
    15074 File
    15075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15076 packages/chimerax/core/logger.py", line 421, in report_exception 
    15077 elif probably_chimera1_session(exc_info): 
    15078 File
    15079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15080 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15081 etype, evalue, etraceback = exc_info 
    15082 TypeError: cannot unpack non-iterable NoneType object 
    15083  
    15084 TypeError: cannot unpack non-iterable NoneType object 
    15085  
    15086 File
    15087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15088 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15089 etype, evalue, etraceback = exc_info 
    15090  
    15091 See log for complete Python traceback. 
    15092  
    15093 Traceback (most recent call last): 
    15094 File
    15095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15096 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15097 return self._func(self._name, data) 
    15098 File
    15099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15100 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15101 if v.display: 
    15102 File
    15103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15104 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15105 return self._any_displayed_positions and len(self._positions) > 0 
    15106 TypeError: object of type 'NoneType' has no len() 
    15107  
    15108 During handling of the above exception, another exception occurred: 
    15109  
    15110 Traceback (most recent call last): 
    15111 File
    15112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15113 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15114 if not self.draw_new_frame(): 
    15115 File
    15116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15117 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15118 changed = view.check_for_drawing_change() 
    15119 File
    15120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15121 packages/chimerax/core/graphics/view.py", line 252, in
    15122 check_for_drawing_change 
    15123 trig.activate_trigger('graphics update', self) 
    15124 File
    15125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15126 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15127 trigger.activate(data) 
    15128 File
    15129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15130 packages/chimerax/core/triggerset.py", line 190, in activate 
    15131 ret = handler.invoke(data, self._remove_bad_handlers) 
    15132 File
    15133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15134 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15135 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15136 File
    15137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15138 packages/chimerax/core/session.py", line 943, in <lambda> 
    15139 logger.report_exception(preface=preface)) 
    15140 File
    15141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15142 packages/chimerax/core/logger.py", line 421, in report_exception 
    15143 elif probably_chimera1_session(exc_info): 
    15144 File
    15145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15146 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15147 etype, evalue, etraceback = exc_info 
    15148 TypeError: cannot unpack non-iterable NoneType object 
    15149  
    15150 TypeError: cannot unpack non-iterable NoneType object 
    15151  
    15152 File
    15153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15154 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15155 etype, evalue, etraceback = exc_info 
    15156  
    15157 See log for complete Python traceback. 
    15158  
    15159 Traceback (most recent call last): 
    15160 File
    15161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15162 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15163 return self._func(self._name, data) 
    15164 File
    15165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15166 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15167 if v.display: 
    15168 File
    15169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15170 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15171 return self._any_displayed_positions and len(self._positions) > 0 
    15172 TypeError: object of type 'NoneType' has no len() 
    15173  
    15174 During handling of the above exception, another exception occurred: 
    15175  
    15176 Traceback (most recent call last): 
    15177 File
    15178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15179 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15180 if not self.draw_new_frame(): 
    15181 File
    15182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15183 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15184 changed = view.check_for_drawing_change() 
    15185 File
    15186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15187 packages/chimerax/core/graphics/view.py", line 252, in
    15188 check_for_drawing_change 
    15189 trig.activate_trigger('graphics update', self) 
    15190 File
    15191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15192 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15193 trigger.activate(data) 
    15194 File
    15195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15196 packages/chimerax/core/triggerset.py", line 190, in activate 
    15197 ret = handler.invoke(data, self._remove_bad_handlers) 
    15198 File
    15199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15200 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15201 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15202 File
    15203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15204 packages/chimerax/core/session.py", line 943, in <lambda> 
    15205 logger.report_exception(preface=preface)) 
    15206 File
    15207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15208 packages/chimerax/core/logger.py", line 421, in report_exception 
    15209 elif probably_chimera1_session(exc_info): 
    15210 File
    15211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15212 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15213 etype, evalue, etraceback = exc_info 
    15214 TypeError: cannot unpack non-iterable NoneType object 
    15215  
    15216 TypeError: cannot unpack non-iterable NoneType object 
    15217  
    15218 File
    15219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15220 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15221 etype, evalue, etraceback = exc_info 
    15222  
    15223 See log for complete Python traceback. 
    15224  
    15225 Traceback (most recent call last): 
    15226 File
    15227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15228 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15229 return self._func(self._name, data) 
    15230 File
    15231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15232 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15233 if v.display: 
    15234 File
    15235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15236 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15237 return self._any_displayed_positions and len(self._positions) > 0 
    15238 TypeError: object of type 'NoneType' has no len() 
    15239  
    15240 During handling of the above exception, another exception occurred: 
    15241  
    15242 Traceback (most recent call last): 
    15243 File
    15244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15245 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15246 if not self.draw_new_frame(): 
    15247 File
    15248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15249 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15250 changed = view.check_for_drawing_change() 
    15251 File
    15252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15253 packages/chimerax/core/graphics/view.py", line 252, in
    15254 check_for_drawing_change 
    15255 trig.activate_trigger('graphics update', self) 
    15256 File
    15257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15258 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15259 trigger.activate(data) 
    15260 File
    15261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15262 packages/chimerax/core/triggerset.py", line 190, in activate 
    15263 ret = handler.invoke(data, self._remove_bad_handlers) 
    15264 File
    15265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15266 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15267 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15268 File
    15269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15270 packages/chimerax/core/session.py", line 943, in <lambda> 
    15271 logger.report_exception(preface=preface)) 
    15272 File
    15273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15274 packages/chimerax/core/logger.py", line 421, in report_exception 
    15275 elif probably_chimera1_session(exc_info): 
    15276 File
    15277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15278 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15279 etype, evalue, etraceback = exc_info 
    15280 TypeError: cannot unpack non-iterable NoneType object 
    15281  
    15282 TypeError: cannot unpack non-iterable NoneType object 
    15283  
    15284 File
    15285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15286 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15287 etype, evalue, etraceback = exc_info 
    15288  
    15289 See log for complete Python traceback. 
    15290  
    15291 Traceback (most recent call last): 
    15292 File
    15293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15294 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15295 return self._func(self._name, data) 
    15296 File
    15297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15298 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15299 if v.display: 
    15300 File
    15301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15302 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15303 return self._any_displayed_positions and len(self._positions) > 0 
    15304 TypeError: object of type 'NoneType' has no len() 
    15305  
    15306 During handling of the above exception, another exception occurred: 
    15307  
    15308 Traceback (most recent call last): 
    15309 File
    15310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15311 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15312 if not self.draw_new_frame(): 
    15313 File
    15314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15315 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15316 changed = view.check_for_drawing_change() 
    15317 File
    15318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15319 packages/chimerax/core/graphics/view.py", line 252, in
    15320 check_for_drawing_change 
    15321 trig.activate_trigger('graphics update', self) 
    15322 File
    15323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15324 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15325 trigger.activate(data) 
    15326 File
    15327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15328 packages/chimerax/core/triggerset.py", line 190, in activate 
    15329 ret = handler.invoke(data, self._remove_bad_handlers) 
    15330 File
    15331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15332 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15333 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15334 File
    15335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15336 packages/chimerax/core/session.py", line 943, in <lambda> 
    15337 logger.report_exception(preface=preface)) 
    15338 File
    15339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15340 packages/chimerax/core/logger.py", line 421, in report_exception 
    15341 elif probably_chimera1_session(exc_info): 
    15342 File
    15343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15344 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15345 etype, evalue, etraceback = exc_info 
    15346 TypeError: cannot unpack non-iterable NoneType object 
    15347  
    15348 TypeError: cannot unpack non-iterable NoneType object 
    15349  
    15350 File
    15351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15352 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15353 etype, evalue, etraceback = exc_info 
    15354  
    15355 See log for complete Python traceback. 
    15356  
    15357 Traceback (most recent call last): 
    15358 File
    15359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15360 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15361 return self._func(self._name, data) 
    15362 File
    15363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15364 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15365 if v.display: 
    15366 File
    15367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15368 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15369 return self._any_displayed_positions and len(self._positions) > 0 
    15370 TypeError: object of type 'NoneType' has no len() 
    15371  
    15372 During handling of the above exception, another exception occurred: 
    15373  
    15374 Traceback (most recent call last): 
    15375 File
    15376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15377 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15378 if not self.draw_new_frame(): 
    15379 File
    15380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15381 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15382 changed = view.check_for_drawing_change() 
    15383 File
    15384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15385 packages/chimerax/core/graphics/view.py", line 252, in
    15386 check_for_drawing_change 
    15387 trig.activate_trigger('graphics update', self) 
    15388 File
    15389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15390 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15391 trigger.activate(data) 
    15392 File
    15393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15394 packages/chimerax/core/triggerset.py", line 190, in activate 
    15395 ret = handler.invoke(data, self._remove_bad_handlers) 
    15396 File
    15397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15398 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15399 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15400 File
    15401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15402 packages/chimerax/core/session.py", line 943, in <lambda> 
    15403 logger.report_exception(preface=preface)) 
    15404 File
    15405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15406 packages/chimerax/core/logger.py", line 421, in report_exception 
    15407 elif probably_chimera1_session(exc_info): 
    15408 File
    15409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15410 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15411 etype, evalue, etraceback = exc_info 
    15412 TypeError: cannot unpack non-iterable NoneType object 
    15413  
    15414 TypeError: cannot unpack non-iterable NoneType object 
    15415  
    15416 File
    15417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15418 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15419 etype, evalue, etraceback = exc_info 
    15420  
    15421 See log for complete Python traceback. 
    15422  
    15423 Traceback (most recent call last): 
    15424 File
    15425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15426 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15427 return self._func(self._name, data) 
    15428 File
    15429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15430 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15431 if v.display: 
    15432 File
    15433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15434 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15435 return self._any_displayed_positions and len(self._positions) > 0 
    15436 TypeError: object of type 'NoneType' has no len() 
    15437  
    15438 During handling of the above exception, another exception occurred: 
    15439  
    15440 Traceback (most recent call last): 
    15441 File
    15442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15443 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15444 if not self.draw_new_frame(): 
    15445 File
    15446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15447 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15448 changed = view.check_for_drawing_change() 
    15449 File
    15450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15451 packages/chimerax/core/graphics/view.py", line 252, in
    15452 check_for_drawing_change 
    15453 trig.activate_trigger('graphics update', self) 
    15454 File
    15455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15456 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15457 trigger.activate(data) 
    15458 File
    15459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15460 packages/chimerax/core/triggerset.py", line 190, in activate 
    15461 ret = handler.invoke(data, self._remove_bad_handlers) 
    15462 File
    15463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15464 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15465 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15466 File
    15467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15468 packages/chimerax/core/session.py", line 943, in <lambda> 
    15469 logger.report_exception(preface=preface)) 
    15470 File
    15471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15472 packages/chimerax/core/logger.py", line 421, in report_exception 
    15473 elif probably_chimera1_session(exc_info): 
    15474 File
    15475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15476 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15477 etype, evalue, etraceback = exc_info 
    15478 TypeError: cannot unpack non-iterable NoneType object 
    15479  
    15480 TypeError: cannot unpack non-iterable NoneType object 
    15481  
    15482 File
    15483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15484 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15485 etype, evalue, etraceback = exc_info 
    15486  
    15487 See log for complete Python traceback. 
    15488  
    15489 Traceback (most recent call last): 
    15490 File
    15491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15492 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15493 return self._func(self._name, data) 
    15494 File
    15495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15496 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15497 if v.display: 
    15498 File
    15499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15500 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15501 return self._any_displayed_positions and len(self._positions) > 0 
    15502 TypeError: object of type 'NoneType' has no len() 
    15503  
    15504 During handling of the above exception, another exception occurred: 
    15505  
    15506 Traceback (most recent call last): 
    15507 File
    15508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15509 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15510 if not self.draw_new_frame(): 
    15511 File
    15512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15513 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15514 changed = view.check_for_drawing_change() 
    15515 File
    15516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15517 packages/chimerax/core/graphics/view.py", line 252, in
    15518 check_for_drawing_change 
    15519 trig.activate_trigger('graphics update', self) 
    15520 File
    15521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15522 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15523 trigger.activate(data) 
    15524 File
    15525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15526 packages/chimerax/core/triggerset.py", line 190, in activate 
    15527 ret = handler.invoke(data, self._remove_bad_handlers) 
    15528 File
    15529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15530 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15531 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15532 File
    15533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15534 packages/chimerax/core/session.py", line 943, in <lambda> 
    15535 logger.report_exception(preface=preface)) 
    15536 File
    15537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15538 packages/chimerax/core/logger.py", line 421, in report_exception 
    15539 elif probably_chimera1_session(exc_info): 
    15540 File
    15541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15542 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15543 etype, evalue, etraceback = exc_info 
    15544 TypeError: cannot unpack non-iterable NoneType object 
    15545  
    15546 TypeError: cannot unpack non-iterable NoneType object 
    15547  
    15548 File
    15549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15550 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15551 etype, evalue, etraceback = exc_info 
    15552  
    15553 See log for complete Python traceback. 
    15554  
    15555 Traceback (most recent call last): 
    15556 File
    15557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15558 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15559 return self._func(self._name, data) 
    15560 File
    15561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15562 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15563 if v.display: 
    15564 File
    15565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15566 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15567 return self._any_displayed_positions and len(self._positions) > 0 
    15568 TypeError: object of type 'NoneType' has no len() 
    15569  
    15570 During handling of the above exception, another exception occurred: 
    15571  
    15572 Traceback (most recent call last): 
    15573 File
    15574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15575 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15576 if not self.draw_new_frame(): 
    15577 File
    15578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15579 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15580 changed = view.check_for_drawing_change() 
    15581 File
    15582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15583 packages/chimerax/core/graphics/view.py", line 252, in
    15584 check_for_drawing_change 
    15585 trig.activate_trigger('graphics update', self) 
    15586 File
    15587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15588 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15589 trigger.activate(data) 
    15590 File
    15591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15592 packages/chimerax/core/triggerset.py", line 190, in activate 
    15593 ret = handler.invoke(data, self._remove_bad_handlers) 
    15594 File
    15595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15596 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15597 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15598 File
    15599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15600 packages/chimerax/core/session.py", line 943, in <lambda> 
    15601 logger.report_exception(preface=preface)) 
    15602 File
    15603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15604 packages/chimerax/core/logger.py", line 421, in report_exception 
    15605 elif probably_chimera1_session(exc_info): 
    15606 File
    15607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15608 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15609 etype, evalue, etraceback = exc_info 
    15610 TypeError: cannot unpack non-iterable NoneType object 
    15611  
    15612 TypeError: cannot unpack non-iterable NoneType object 
    15613  
    15614 File
    15615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15616 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15617 etype, evalue, etraceback = exc_info 
    15618  
    15619 See log for complete Python traceback. 
    15620  
    15621 Traceback (most recent call last): 
    15622 File
    15623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15624 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15625 return self._func(self._name, data) 
    15626 File
    15627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15628 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15629 if v.display: 
    15630 File
    15631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15632 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15633 return self._any_displayed_positions and len(self._positions) > 0 
    15634 TypeError: object of type 'NoneType' has no len() 
    15635  
    15636 During handling of the above exception, another exception occurred: 
    15637  
    15638 Traceback (most recent call last): 
    15639 File
    15640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15641 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15642 if not self.draw_new_frame(): 
    15643 File
    15644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15645 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15646 changed = view.check_for_drawing_change() 
    15647 File
    15648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15649 packages/chimerax/core/graphics/view.py", line 252, in
    15650 check_for_drawing_change 
    15651 trig.activate_trigger('graphics update', self) 
    15652 File
    15653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15654 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15655 trigger.activate(data) 
    15656 File
    15657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15658 packages/chimerax/core/triggerset.py", line 190, in activate 
    15659 ret = handler.invoke(data, self._remove_bad_handlers) 
    15660 File
    15661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15662 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15663 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15664 File
    15665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15666 packages/chimerax/core/session.py", line 943, in <lambda> 
    15667 logger.report_exception(preface=preface)) 
    15668 File
    15669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15670 packages/chimerax/core/logger.py", line 421, in report_exception 
    15671 elif probably_chimera1_session(exc_info): 
    15672 File
    15673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15674 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15675 etype, evalue, etraceback = exc_info 
    15676 TypeError: cannot unpack non-iterable NoneType object 
    15677  
    15678 TypeError: cannot unpack non-iterable NoneType object 
    15679  
    15680 File
    15681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15682 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15683 etype, evalue, etraceback = exc_info 
    15684  
    15685 See log for complete Python traceback. 
    15686  
    15687 Traceback (most recent call last): 
    15688 File
    15689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15690 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15691 return self._func(self._name, data) 
    15692 File
    15693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15694 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15695 if v.display: 
    15696 File
    15697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15698 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15699 return self._any_displayed_positions and len(self._positions) > 0 
    15700 TypeError: object of type 'NoneType' has no len() 
    15701  
    15702 During handling of the above exception, another exception occurred: 
    15703  
    15704 Traceback (most recent call last): 
    15705 File
    15706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15707 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15708 if not self.draw_new_frame(): 
    15709 File
    15710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15711 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15712 changed = view.check_for_drawing_change() 
    15713 File
    15714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15715 packages/chimerax/core/graphics/view.py", line 252, in
    15716 check_for_drawing_change 
    15717 trig.activate_trigger('graphics update', self) 
    15718 File
    15719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15720 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15721 trigger.activate(data) 
    15722 File
    15723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15724 packages/chimerax/core/triggerset.py", line 190, in activate 
    15725 ret = handler.invoke(data, self._remove_bad_handlers) 
    15726 File
    15727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15728 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15729 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15730 File
    15731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15732 packages/chimerax/core/session.py", line 943, in <lambda> 
    15733 logger.report_exception(preface=preface)) 
    15734 File
    15735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15736 packages/chimerax/core/logger.py", line 421, in report_exception 
    15737 elif probably_chimera1_session(exc_info): 
    15738 File
    15739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15740 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15741 etype, evalue, etraceback = exc_info 
    15742 TypeError: cannot unpack non-iterable NoneType object 
    15743  
    15744 TypeError: cannot unpack non-iterable NoneType object 
    15745  
    15746 File
    15747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15748 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15749 etype, evalue, etraceback = exc_info 
    15750  
    15751 See log for complete Python traceback. 
    15752  
    15753 Traceback (most recent call last): 
    15754 File
    15755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15756 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15757 return self._func(self._name, data) 
    15758 File
    15759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15760 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15761 if v.display: 
    15762 File
    15763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15764 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15765 return self._any_displayed_positions and len(self._positions) > 0 
    15766 TypeError: object of type 'NoneType' has no len() 
    15767  
    15768 During handling of the above exception, another exception occurred: 
    15769  
    15770 Traceback (most recent call last): 
    15771 File
    15772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15773 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15774 if not self.draw_new_frame(): 
    15775 File
    15776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15777 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15778 changed = view.check_for_drawing_change() 
    15779 File
    15780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15781 packages/chimerax/core/graphics/view.py", line 252, in
    15782 check_for_drawing_change 
    15783 trig.activate_trigger('graphics update', self) 
    15784 File
    15785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15786 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15787 trigger.activate(data) 
    15788 File
    15789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15790 packages/chimerax/core/triggerset.py", line 190, in activate 
    15791 ret = handler.invoke(data, self._remove_bad_handlers) 
    15792 File
    15793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15794 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15795 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15796 File
    15797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15798 packages/chimerax/core/session.py", line 943, in <lambda> 
    15799 logger.report_exception(preface=preface)) 
    15800 File
    15801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15802 packages/chimerax/core/logger.py", line 421, in report_exception 
    15803 elif probably_chimera1_session(exc_info): 
    15804 File
    15805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15806 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15807 etype, evalue, etraceback = exc_info 
    15808 TypeError: cannot unpack non-iterable NoneType object 
    15809  
    15810 TypeError: cannot unpack non-iterable NoneType object 
    15811  
    15812 File
    15813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15814 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15815 etype, evalue, etraceback = exc_info 
    15816  
    15817 See log for complete Python traceback. 
    15818  
    15819 Traceback (most recent call last): 
    15820 File
    15821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15822 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15823 return self._func(self._name, data) 
    15824 File
    15825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15826 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15827 if v.display: 
    15828 File
    15829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15830 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15831 return self._any_displayed_positions and len(self._positions) > 0 
    15832 TypeError: object of type 'NoneType' has no len() 
    15833  
    15834 During handling of the above exception, another exception occurred: 
    15835  
    15836 Traceback (most recent call last): 
    15837 File
    15838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15839 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15840 if not self.draw_new_frame(): 
    15841 File
    15842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15843 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15844 changed = view.check_for_drawing_change() 
    15845 File
    15846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15847 packages/chimerax/core/graphics/view.py", line 252, in
    15848 check_for_drawing_change 
    15849 trig.activate_trigger('graphics update', self) 
    15850 File
    15851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15852 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15853 trigger.activate(data) 
    15854 File
    15855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15856 packages/chimerax/core/triggerset.py", line 190, in activate 
    15857 ret = handler.invoke(data, self._remove_bad_handlers) 
    15858 File
    15859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15860 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15861 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15862 File
    15863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15864 packages/chimerax/core/session.py", line 943, in <lambda> 
    15865 logger.report_exception(preface=preface)) 
    15866 File
    15867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15868 packages/chimerax/core/logger.py", line 421, in report_exception 
    15869 elif probably_chimera1_session(exc_info): 
    15870 File
    15871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15872 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15873 etype, evalue, etraceback = exc_info 
    15874 TypeError: cannot unpack non-iterable NoneType object 
    15875  
    15876 TypeError: cannot unpack non-iterable NoneType object 
    15877  
    15878 File
    15879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15880 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15881 etype, evalue, etraceback = exc_info 
    15882  
    15883 See log for complete Python traceback. 
    15884  
    15885 Traceback (most recent call last): 
    15886 File
    15887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15888 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15889 return self._func(self._name, data) 
    15890 File
    15891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15892 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15893 if v.display: 
    15894 File
    15895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15896 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15897 return self._any_displayed_positions and len(self._positions) > 0 
    15898 TypeError: object of type 'NoneType' has no len() 
    15899  
    15900 During handling of the above exception, another exception occurred: 
    15901  
    15902 Traceback (most recent call last): 
    15903 File
    15904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15905 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15906 if not self.draw_new_frame(): 
    15907 File
    15908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15909 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15910 changed = view.check_for_drawing_change() 
    15911 File
    15912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15913 packages/chimerax/core/graphics/view.py", line 252, in
    15914 check_for_drawing_change 
    15915 trig.activate_trigger('graphics update', self) 
    15916 File
    15917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15918 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15919 trigger.activate(data) 
    15920 File
    15921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15922 packages/chimerax/core/triggerset.py", line 190, in activate 
    15923 ret = handler.invoke(data, self._remove_bad_handlers) 
    15924 File
    15925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15926 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15927 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15928 File
    15929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15930 packages/chimerax/core/session.py", line 943, in <lambda> 
    15931 logger.report_exception(preface=preface)) 
    15932 File
    15933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15934 packages/chimerax/core/logger.py", line 421, in report_exception 
    15935 elif probably_chimera1_session(exc_info): 
    15936 File
    15937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15938 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15939 etype, evalue, etraceback = exc_info 
    15940 TypeError: cannot unpack non-iterable NoneType object 
    15941  
    15942 TypeError: cannot unpack non-iterable NoneType object 
    15943  
    15944 File
    15945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15946 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    15947 etype, evalue, etraceback = exc_info 
    15948  
    15949 See log for complete Python traceback. 
    15950  
    15951 Traceback (most recent call last): 
    15952 File
    15953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15954 packages/chimerax/core/triggerset.py", line 130, in invoke 
    15955 return self._func(self._name, data) 
    15956 File
    15957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15958 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    15959 if v.display: 
    15960 File
    15961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15962 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    15963 return self._any_displayed_positions and len(self._positions) > 0 
    15964 TypeError: object of type 'NoneType' has no len() 
    15965  
    15966 During handling of the above exception, another exception occurred: 
    15967  
    15968 Traceback (most recent call last): 
    15969 File
    15970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15971 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    15972 if not self.draw_new_frame(): 
    15973 File
    15974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15975 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    15976 changed = view.check_for_drawing_change() 
    15977 File
    15978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15979 packages/chimerax/core/graphics/view.py", line 252, in
    15980 check_for_drawing_change 
    15981 trig.activate_trigger('graphics update', self) 
    15982 File
    15983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15984 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    15985 trigger.activate(data) 
    15986 File
    15987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15988 packages/chimerax/core/triggerset.py", line 190, in activate 
    15989 ret = handler.invoke(data, self._remove_bad_handlers) 
    15990 File
    15991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15992 packages/chimerax/core/triggerset.py", line 132, in invoke 
    15993 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    15994 File
    15995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    15996 packages/chimerax/core/session.py", line 943, in <lambda> 
    15997 logger.report_exception(preface=preface)) 
    15998 File
    15999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16000 packages/chimerax/core/logger.py", line 421, in report_exception 
    16001 elif probably_chimera1_session(exc_info): 
    16002 File
    16003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16004 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16005 etype, evalue, etraceback = exc_info 
    16006 TypeError: cannot unpack non-iterable NoneType object 
    16007  
    16008 TypeError: cannot unpack non-iterable NoneType object 
    16009  
    16010 File
    16011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16012 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16013 etype, evalue, etraceback = exc_info 
    16014  
    16015 See log for complete Python traceback. 
    16016  
    16017 Traceback (most recent call last): 
    16018 File
    16019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16020 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16021 return self._func(self._name, data) 
    16022 File
    16023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16024 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16025 if v.display: 
    16026 File
    16027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16028 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16029 return self._any_displayed_positions and len(self._positions) > 0 
    16030 TypeError: object of type 'NoneType' has no len() 
    16031  
    16032 During handling of the above exception, another exception occurred: 
    16033  
    16034 Traceback (most recent call last): 
    16035 File
    16036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16037 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16038 if not self.draw_new_frame(): 
    16039 File
    16040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16041 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16042 changed = view.check_for_drawing_change() 
    16043 File
    16044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16045 packages/chimerax/core/graphics/view.py", line 252, in
    16046 check_for_drawing_change 
    16047 trig.activate_trigger('graphics update', self) 
    16048 File
    16049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16050 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16051 trigger.activate(data) 
    16052 File
    16053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16054 packages/chimerax/core/triggerset.py", line 190, in activate 
    16055 ret = handler.invoke(data, self._remove_bad_handlers) 
    16056 File
    16057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16058 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16059 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16060 File
    16061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16062 packages/chimerax/core/session.py", line 943, in <lambda> 
    16063 logger.report_exception(preface=preface)) 
    16064 File
    16065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16066 packages/chimerax/core/logger.py", line 421, in report_exception 
    16067 elif probably_chimera1_session(exc_info): 
    16068 File
    16069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16070 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16071 etype, evalue, etraceback = exc_info 
    16072 TypeError: cannot unpack non-iterable NoneType object 
    16073  
    16074 TypeError: cannot unpack non-iterable NoneType object 
    16075  
    16076 File
    16077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16078 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16079 etype, evalue, etraceback = exc_info 
    16080  
    16081 See log for complete Python traceback. 
    16082  
    16083 Traceback (most recent call last): 
    16084 File
    16085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16086 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16087 return self._func(self._name, data) 
    16088 File
    16089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16090 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16091 if v.display: 
    16092 File
    16093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16094 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16095 return self._any_displayed_positions and len(self._positions) > 0 
    16096 TypeError: object of type 'NoneType' has no len() 
    16097  
    16098 During handling of the above exception, another exception occurred: 
    16099  
    16100 Traceback (most recent call last): 
    16101 File
    16102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16103 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16104 if not self.draw_new_frame(): 
    16105 File
    16106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16107 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16108 changed = view.check_for_drawing_change() 
    16109 File
    16110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16111 packages/chimerax/core/graphics/view.py", line 252, in
    16112 check_for_drawing_change 
    16113 trig.activate_trigger('graphics update', self) 
    16114 File
    16115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16116 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16117 trigger.activate(data) 
    16118 File
    16119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16120 packages/chimerax/core/triggerset.py", line 190, in activate 
    16121 ret = handler.invoke(data, self._remove_bad_handlers) 
    16122 File
    16123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16124 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16125 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16126 File
    16127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16128 packages/chimerax/core/session.py", line 943, in <lambda> 
    16129 logger.report_exception(preface=preface)) 
    16130 File
    16131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16132 packages/chimerax/core/logger.py", line 421, in report_exception 
    16133 elif probably_chimera1_session(exc_info): 
    16134 File
    16135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16136 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16137 etype, evalue, etraceback = exc_info 
    16138 TypeError: cannot unpack non-iterable NoneType object 
    16139  
    16140 TypeError: cannot unpack non-iterable NoneType object 
    16141  
    16142 File
    16143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16144 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16145 etype, evalue, etraceback = exc_info 
    16146  
    16147 See log for complete Python traceback. 
    16148  
    16149 Traceback (most recent call last): 
    16150 File
    16151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16152 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16153 return self._func(self._name, data) 
    16154 File
    16155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16156 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16157 if v.display: 
    16158 File
    16159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16160 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16161 return self._any_displayed_positions and len(self._positions) > 0 
    16162 TypeError: object of type 'NoneType' has no len() 
    16163  
    16164 During handling of the above exception, another exception occurred: 
    16165  
    16166 Traceback (most recent call last): 
    16167 File
    16168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16169 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16170 if not self.draw_new_frame(): 
    16171 File
    16172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16173 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16174 changed = view.check_for_drawing_change() 
    16175 File
    16176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16177 packages/chimerax/core/graphics/view.py", line 252, in
    16178 check_for_drawing_change 
    16179 trig.activate_trigger('graphics update', self) 
    16180 File
    16181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16182 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16183 trigger.activate(data) 
    16184 File
    16185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16186 packages/chimerax/core/triggerset.py", line 190, in activate 
    16187 ret = handler.invoke(data, self._remove_bad_handlers) 
    16188 File
    16189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16190 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16191 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16192 File
    16193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16194 packages/chimerax/core/session.py", line 943, in <lambda> 
    16195 logger.report_exception(preface=preface)) 
    16196 File
    16197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16198 packages/chimerax/core/logger.py", line 421, in report_exception 
    16199 elif probably_chimera1_session(exc_info): 
    16200 File
    16201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16202 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16203 etype, evalue, etraceback = exc_info 
    16204 TypeError: cannot unpack non-iterable NoneType object 
    16205  
    16206 TypeError: cannot unpack non-iterable NoneType object 
    16207  
    16208 File
    16209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16210 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16211 etype, evalue, etraceback = exc_info 
    16212  
    16213 See log for complete Python traceback. 
    16214  
    16215 Traceback (most recent call last): 
    16216 File
    16217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16219 return self._func(self._name, data) 
    16220 File
    16221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16222 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16223 if v.display: 
    16224 File
    16225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16226 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16227 return self._any_displayed_positions and len(self._positions) > 0 
    16228 TypeError: object of type 'NoneType' has no len() 
    16229  
    16230 During handling of the above exception, another exception occurred: 
    16231  
    16232 Traceback (most recent call last): 
    16233 File
    16234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16235 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16236 if not self.draw_new_frame(): 
    16237 File
    16238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16239 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16240 changed = view.check_for_drawing_change() 
    16241 File
    16242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16243 packages/chimerax/core/graphics/view.py", line 252, in
    16244 check_for_drawing_change 
    16245 trig.activate_trigger('graphics update', self) 
    16246 File
    16247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16248 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16249 trigger.activate(data) 
    16250 File
    16251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16252 packages/chimerax/core/triggerset.py", line 190, in activate 
    16253 ret = handler.invoke(data, self._remove_bad_handlers) 
    16254 File
    16255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16256 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16257 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16258 File
    16259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16260 packages/chimerax/core/session.py", line 943, in <lambda> 
    16261 logger.report_exception(preface=preface)) 
    16262 File
    16263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16264 packages/chimerax/core/logger.py", line 421, in report_exception 
    16265 elif probably_chimera1_session(exc_info): 
    16266 File
    16267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16268 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16269 etype, evalue, etraceback = exc_info 
    16270 TypeError: cannot unpack non-iterable NoneType object 
    16271  
    16272 TypeError: cannot unpack non-iterable NoneType object 
    16273  
    16274 File
    16275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16276 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16277 etype, evalue, etraceback = exc_info 
    16278  
    16279 See log for complete Python traceback. 
    16280  
    16281 Traceback (most recent call last): 
    16282 File
    16283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16284 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16285 return self._func(self._name, data) 
    16286 File
    16287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16288 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16289 if v.display: 
    16290 File
    16291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16292 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16293 return self._any_displayed_positions and len(self._positions) > 0 
    16294 TypeError: object of type 'NoneType' has no len() 
    16295  
    16296 During handling of the above exception, another exception occurred: 
    16297  
    16298 Traceback (most recent call last): 
    16299 File
    16300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16301 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16302 if not self.draw_new_frame(): 
    16303 File
    16304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16305 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16306 changed = view.check_for_drawing_change() 
    16307 File
    16308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16309 packages/chimerax/core/graphics/view.py", line 252, in
    16310 check_for_drawing_change 
    16311 trig.activate_trigger('graphics update', self) 
    16312 File
    16313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16314 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16315 trigger.activate(data) 
    16316 File
    16317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16318 packages/chimerax/core/triggerset.py", line 190, in activate 
    16319 ret = handler.invoke(data, self._remove_bad_handlers) 
    16320 File
    16321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16322 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16323 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16324 File
    16325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16326 packages/chimerax/core/session.py", line 943, in <lambda> 
    16327 logger.report_exception(preface=preface)) 
    16328 File
    16329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16330 packages/chimerax/core/logger.py", line 421, in report_exception 
    16331 elif probably_chimera1_session(exc_info): 
    16332 File
    16333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16334 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16335 etype, evalue, etraceback = exc_info 
    16336 TypeError: cannot unpack non-iterable NoneType object 
    16337  
    16338 TypeError: cannot unpack non-iterable NoneType object 
    16339  
    16340 File
    16341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16342 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16343 etype, evalue, etraceback = exc_info 
    16344  
    16345 See log for complete Python traceback. 
    16346  
    16347 Traceback (most recent call last): 
    16348 File
    16349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16350 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16351 return self._func(self._name, data) 
    16352 File
    16353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16354 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16355 if v.display: 
    16356 File
    16357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16358 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16359 return self._any_displayed_positions and len(self._positions) > 0 
    16360 TypeError: object of type 'NoneType' has no len() 
    16361  
    16362 During handling of the above exception, another exception occurred: 
    16363  
    16364 Traceback (most recent call last): 
    16365 File
    16366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16367 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16368 if not self.draw_new_frame(): 
    16369 File
    16370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16371 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16372 changed = view.check_for_drawing_change() 
    16373 File
    16374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16375 packages/chimerax/core/graphics/view.py", line 252, in
    16376 check_for_drawing_change 
    16377 trig.activate_trigger('graphics update', self) 
    16378 File
    16379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16380 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16381 trigger.activate(data) 
    16382 File
    16383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16384 packages/chimerax/core/triggerset.py", line 190, in activate 
    16385 ret = handler.invoke(data, self._remove_bad_handlers) 
    16386 File
    16387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16388 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16389 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16390 File
    16391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16392 packages/chimerax/core/session.py", line 943, in <lambda> 
    16393 logger.report_exception(preface=preface)) 
    16394 File
    16395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16396 packages/chimerax/core/logger.py", line 421, in report_exception 
    16397 elif probably_chimera1_session(exc_info): 
    16398 File
    16399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16400 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16401 etype, evalue, etraceback = exc_info 
    16402 TypeError: cannot unpack non-iterable NoneType object 
    16403  
    16404 TypeError: cannot unpack non-iterable NoneType object 
    16405  
    16406 File
    16407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16408 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16409 etype, evalue, etraceback = exc_info 
    16410  
    16411 See log for complete Python traceback. 
    16412  
    16413 Traceback (most recent call last): 
    16414 File
    16415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16416 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16417 return self._func(self._name, data) 
    16418 File
    16419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16420 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16421 if v.display: 
    16422 File
    16423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16424 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16425 return self._any_displayed_positions and len(self._positions) > 0 
    16426 TypeError: object of type 'NoneType' has no len() 
    16427  
    16428 During handling of the above exception, another exception occurred: 
    16429  
    16430 Traceback (most recent call last): 
    16431 File
    16432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16433 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16434 if not self.draw_new_frame(): 
    16435 File
    16436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16437 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16438 changed = view.check_for_drawing_change() 
    16439 File
    16440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16441 packages/chimerax/core/graphics/view.py", line 252, in
    16442 check_for_drawing_change 
    16443 trig.activate_trigger('graphics update', self) 
    16444 File
    16445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16446 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16447 trigger.activate(data) 
    16448 File
    16449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16450 packages/chimerax/core/triggerset.py", line 190, in activate 
    16451 ret = handler.invoke(data, self._remove_bad_handlers) 
    16452 File
    16453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16454 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16455 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16456 File
    16457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16458 packages/chimerax/core/session.py", line 943, in <lambda> 
    16459 logger.report_exception(preface=preface)) 
    16460 File
    16461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16462 packages/chimerax/core/logger.py", line 421, in report_exception 
    16463 elif probably_chimera1_session(exc_info): 
    16464 File
    16465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16466 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16467 etype, evalue, etraceback = exc_info 
    16468 TypeError: cannot unpack non-iterable NoneType object 
    16469  
    16470 TypeError: cannot unpack non-iterable NoneType object 
    16471  
    16472 File
    16473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16474 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16475 etype, evalue, etraceback = exc_info 
    16476  
    16477 See log for complete Python traceback. 
    16478  
    16479 Traceback (most recent call last): 
    16480 File
    16481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16482 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16483 return self._func(self._name, data) 
    16484 File
    16485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16486 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16487 if v.display: 
    16488 File
    16489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16490 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16491 return self._any_displayed_positions and len(self._positions) > 0 
    16492 TypeError: object of type 'NoneType' has no len() 
    16493  
    16494 During handling of the above exception, another exception occurred: 
    16495  
    16496 Traceback (most recent call last): 
    16497 File
    16498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16499 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16500 if not self.draw_new_frame(): 
    16501 File
    16502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16503 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16504 changed = view.check_for_drawing_change() 
    16505 File
    16506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16507 packages/chimerax/core/graphics/view.py", line 252, in
    16508 check_for_drawing_change 
    16509 trig.activate_trigger('graphics update', self) 
    16510 File
    16511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16512 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16513 trigger.activate(data) 
    16514 File
    16515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16516 packages/chimerax/core/triggerset.py", line 190, in activate 
    16517 ret = handler.invoke(data, self._remove_bad_handlers) 
    16518 File
    16519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16520 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16521 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16522 File
    16523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16524 packages/chimerax/core/session.py", line 943, in <lambda> 
    16525 logger.report_exception(preface=preface)) 
    16526 File
    16527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16528 packages/chimerax/core/logger.py", line 421, in report_exception 
    16529 elif probably_chimera1_session(exc_info): 
    16530 File
    16531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16532 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16533 etype, evalue, etraceback = exc_info 
    16534 TypeError: cannot unpack non-iterable NoneType object 
    16535  
    16536 TypeError: cannot unpack non-iterable NoneType object 
    16537  
    16538 File
    16539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16540 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16541 etype, evalue, etraceback = exc_info 
    16542  
    16543 See log for complete Python traceback. 
    16544  
    16545 Traceback (most recent call last): 
    16546 File
    16547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16548 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16549 return self._func(self._name, data) 
    16550 File
    16551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16552 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16553 if v.display: 
    16554 File
    16555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16556 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16557 return self._any_displayed_positions and len(self._positions) > 0 
    16558 TypeError: object of type 'NoneType' has no len() 
    16559  
    16560 During handling of the above exception, another exception occurred: 
    16561  
    16562 Traceback (most recent call last): 
    16563 File
    16564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16565 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16566 if not self.draw_new_frame(): 
    16567 File
    16568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16569 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16570 changed = view.check_for_drawing_change() 
    16571 File
    16572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16573 packages/chimerax/core/graphics/view.py", line 252, in
    16574 check_for_drawing_change 
    16575 trig.activate_trigger('graphics update', self) 
    16576 File
    16577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16578 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16579 trigger.activate(data) 
    16580 File
    16581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16582 packages/chimerax/core/triggerset.py", line 190, in activate 
    16583 ret = handler.invoke(data, self._remove_bad_handlers) 
    16584 File
    16585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16586 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16587 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16588 File
    16589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16590 packages/chimerax/core/session.py", line 943, in <lambda> 
    16591 logger.report_exception(preface=preface)) 
    16592 File
    16593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16594 packages/chimerax/core/logger.py", line 421, in report_exception 
    16595 elif probably_chimera1_session(exc_info): 
    16596 File
    16597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16598 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16599 etype, evalue, etraceback = exc_info 
    16600 TypeError: cannot unpack non-iterable NoneType object 
    16601  
    16602 TypeError: cannot unpack non-iterable NoneType object 
    16603  
    16604 File
    16605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16606 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16607 etype, evalue, etraceback = exc_info 
    16608  
    16609 See log for complete Python traceback. 
    16610  
    16611 Traceback (most recent call last): 
    16612 File
    16613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16614 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16615 return self._func(self._name, data) 
    16616 File
    16617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16618 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16619 if v.display: 
    16620 File
    16621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16622 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16623 return self._any_displayed_positions and len(self._positions) > 0 
    16624 TypeError: object of type 'NoneType' has no len() 
    16625  
    16626 During handling of the above exception, another exception occurred: 
    16627  
    16628 Traceback (most recent call last): 
    16629 File
    16630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16631 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16632 if not self.draw_new_frame(): 
    16633 File
    16634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16635 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16636 changed = view.check_for_drawing_change() 
    16637 File
    16638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16639 packages/chimerax/core/graphics/view.py", line 252, in
    16640 check_for_drawing_change 
    16641 trig.activate_trigger('graphics update', self) 
    16642 File
    16643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16644 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16645 trigger.activate(data) 
    16646 File
    16647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16648 packages/chimerax/core/triggerset.py", line 190, in activate 
    16649 ret = handler.invoke(data, self._remove_bad_handlers) 
    16650 File
    16651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16652 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16653 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16654 File
    16655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16656 packages/chimerax/core/session.py", line 943, in <lambda> 
    16657 logger.report_exception(preface=preface)) 
    16658 File
    16659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16660 packages/chimerax/core/logger.py", line 421, in report_exception 
    16661 elif probably_chimera1_session(exc_info): 
    16662 File
    16663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16664 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16665 etype, evalue, etraceback = exc_info 
    16666 TypeError: cannot unpack non-iterable NoneType object 
    16667  
    16668 TypeError: cannot unpack non-iterable NoneType object 
    16669  
    16670 File
    16671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16672 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16673 etype, evalue, etraceback = exc_info 
    16674  
    16675 See log for complete Python traceback. 
    16676  
    16677 Traceback (most recent call last): 
    16678 File
    16679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16680 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16681 return self._func(self._name, data) 
    16682 File
    16683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16684 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16685 if v.display: 
    16686 File
    16687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16688 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16689 return self._any_displayed_positions and len(self._positions) > 0 
    16690 TypeError: object of type 'NoneType' has no len() 
    16691  
    16692 During handling of the above exception, another exception occurred: 
    16693  
    16694 Traceback (most recent call last): 
    16695 File
    16696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16697 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16698 if not self.draw_new_frame(): 
    16699 File
    16700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16701 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16702 changed = view.check_for_drawing_change() 
    16703 File
    16704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16705 packages/chimerax/core/graphics/view.py", line 252, in
    16706 check_for_drawing_change 
    16707 trig.activate_trigger('graphics update', self) 
    16708 File
    16709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16710 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16711 trigger.activate(data) 
    16712 File
    16713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16714 packages/chimerax/core/triggerset.py", line 190, in activate 
    16715 ret = handler.invoke(data, self._remove_bad_handlers) 
    16716 File
    16717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16718 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16719 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16720 File
    16721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16722 packages/chimerax/core/session.py", line 943, in <lambda> 
    16723 logger.report_exception(preface=preface)) 
    16724 File
    16725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16726 packages/chimerax/core/logger.py", line 421, in report_exception 
    16727 elif probably_chimera1_session(exc_info): 
    16728 File
    16729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16730 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16731 etype, evalue, etraceback = exc_info 
    16732 TypeError: cannot unpack non-iterable NoneType object 
    16733  
    16734 TypeError: cannot unpack non-iterable NoneType object 
    16735  
    16736 File
    16737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16738 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16739 etype, evalue, etraceback = exc_info 
    16740  
    16741 See log for complete Python traceback. 
    16742  
    16743 Traceback (most recent call last): 
    16744 File
    16745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16746 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16747 return self._func(self._name, data) 
    16748 File
    16749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16750 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16751 if v.display: 
    16752 File
    16753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16754 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16755 return self._any_displayed_positions and len(self._positions) > 0 
    16756 TypeError: object of type 'NoneType' has no len() 
    16757  
    16758 During handling of the above exception, another exception occurred: 
    16759  
    16760 Traceback (most recent call last): 
    16761 File
    16762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16763 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16764 if not self.draw_new_frame(): 
    16765 File
    16766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16767 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16768 changed = view.check_for_drawing_change() 
    16769 File
    16770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16771 packages/chimerax/core/graphics/view.py", line 252, in
    16772 check_for_drawing_change 
    16773 trig.activate_trigger('graphics update', self) 
    16774 File
    16775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16776 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16777 trigger.activate(data) 
    16778 File
    16779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16780 packages/chimerax/core/triggerset.py", line 190, in activate 
    16781 ret = handler.invoke(data, self._remove_bad_handlers) 
    16782 File
    16783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16784 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16785 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16786 File
    16787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16788 packages/chimerax/core/session.py", line 943, in <lambda> 
    16789 logger.report_exception(preface=preface)) 
    16790 File
    16791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16792 packages/chimerax/core/logger.py", line 421, in report_exception 
    16793 elif probably_chimera1_session(exc_info): 
    16794 File
    16795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16796 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16797 etype, evalue, etraceback = exc_info 
    16798 TypeError: cannot unpack non-iterable NoneType object 
    16799  
    16800 TypeError: cannot unpack non-iterable NoneType object 
    16801  
    16802 File
    16803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16804 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16805 etype, evalue, etraceback = exc_info 
    16806  
    16807 See log for complete Python traceback. 
    16808  
    16809 Traceback (most recent call last): 
    16810 File
    16811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16812 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16813 return self._func(self._name, data) 
    16814 File
    16815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16816 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16817 if v.display: 
    16818 File
    16819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16820 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16821 return self._any_displayed_positions and len(self._positions) > 0 
    16822 TypeError: object of type 'NoneType' has no len() 
    16823  
    16824 During handling of the above exception, another exception occurred: 
    16825  
    16826 Traceback (most recent call last): 
    16827 File
    16828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16829 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16830 if not self.draw_new_frame(): 
    16831 File
    16832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16833 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16834 changed = view.check_for_drawing_change() 
    16835 File
    16836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16837 packages/chimerax/core/graphics/view.py", line 252, in
    16838 check_for_drawing_change 
    16839 trig.activate_trigger('graphics update', self) 
    16840 File
    16841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16842 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16843 trigger.activate(data) 
    16844 File
    16845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16846 packages/chimerax/core/triggerset.py", line 190, in activate 
    16847 ret = handler.invoke(data, self._remove_bad_handlers) 
    16848 File
    16849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16850 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16851 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16852 File
    16853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16854 packages/chimerax/core/session.py", line 943, in <lambda> 
    16855 logger.report_exception(preface=preface)) 
    16856 File
    16857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16858 packages/chimerax/core/logger.py", line 421, in report_exception 
    16859 elif probably_chimera1_session(exc_info): 
    16860 File
    16861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16862 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16863 etype, evalue, etraceback = exc_info 
    16864 TypeError: cannot unpack non-iterable NoneType object 
    16865  
    16866 TypeError: cannot unpack non-iterable NoneType object 
    16867  
    16868 File
    16869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16870 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16871 etype, evalue, etraceback = exc_info 
    16872  
    16873 See log for complete Python traceback. 
    16874  
    16875 Traceback (most recent call last): 
    16876 File
    16877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16878 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16879 return self._func(self._name, data) 
    16880 File
    16881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16882 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16883 if v.display: 
    16884 File
    16885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16886 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16887 return self._any_displayed_positions and len(self._positions) > 0 
    16888 TypeError: object of type 'NoneType' has no len() 
    16889  
    16890 During handling of the above exception, another exception occurred: 
    16891  
    16892 Traceback (most recent call last): 
    16893 File
    16894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16895 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16896 if not self.draw_new_frame(): 
    16897 File
    16898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16899 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16900 changed = view.check_for_drawing_change() 
    16901 File
    16902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16903 packages/chimerax/core/graphics/view.py", line 252, in
    16904 check_for_drawing_change 
    16905 trig.activate_trigger('graphics update', self) 
    16906 File
    16907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16908 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16909 trigger.activate(data) 
    16910 File
    16911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16912 packages/chimerax/core/triggerset.py", line 190, in activate 
    16913 ret = handler.invoke(data, self._remove_bad_handlers) 
    16914 File
    16915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16916 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16917 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16918 File
    16919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16920 packages/chimerax/core/session.py", line 943, in <lambda> 
    16921 logger.report_exception(preface=preface)) 
    16922 File
    16923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16924 packages/chimerax/core/logger.py", line 421, in report_exception 
    16925 elif probably_chimera1_session(exc_info): 
    16926 File
    16927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16928 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16929 etype, evalue, etraceback = exc_info 
    16930 TypeError: cannot unpack non-iterable NoneType object 
    16931  
    16932 TypeError: cannot unpack non-iterable NoneType object 
    16933  
    16934 File
    16935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16936 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16937 etype, evalue, etraceback = exc_info 
    16938  
    16939 See log for complete Python traceback. 
    16940  
    16941 Traceback (most recent call last): 
    16942 File
    16943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16944 packages/chimerax/core/triggerset.py", line 130, in invoke 
    16945 return self._func(self._name, data) 
    16946 File
    16947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16948 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    16949 if v.display: 
    16950 File
    16951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16952 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    16953 return self._any_displayed_positions and len(self._positions) > 0 
    16954 TypeError: object of type 'NoneType' has no len() 
    16955  
    16956 During handling of the above exception, another exception occurred: 
    16957  
    16958 Traceback (most recent call last): 
    16959 File
    16960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16961 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    16962 if not self.draw_new_frame(): 
    16963 File
    16964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16965 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    16966 changed = view.check_for_drawing_change() 
    16967 File
    16968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16969 packages/chimerax/core/graphics/view.py", line 252, in
    16970 check_for_drawing_change 
    16971 trig.activate_trigger('graphics update', self) 
    16972 File
    16973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16974 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    16975 trigger.activate(data) 
    16976 File
    16977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16978 packages/chimerax/core/triggerset.py", line 190, in activate 
    16979 ret = handler.invoke(data, self._remove_bad_handlers) 
    16980 File
    16981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16982 packages/chimerax/core/triggerset.py", line 132, in invoke 
    16983 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    16984 File
    16985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16986 packages/chimerax/core/session.py", line 943, in <lambda> 
    16987 logger.report_exception(preface=preface)) 
    16988 File
    16989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16990 packages/chimerax/core/logger.py", line 421, in report_exception 
    16991 elif probably_chimera1_session(exc_info): 
    16992 File
    16993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    16994 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    16995 etype, evalue, etraceback = exc_info 
    16996 TypeError: cannot unpack non-iterable NoneType object 
    16997  
    16998 TypeError: cannot unpack non-iterable NoneType object 
    16999  
    17000 File
    17001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17002 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17003 etype, evalue, etraceback = exc_info 
    17004  
    17005 See log for complete Python traceback. 
    17006  
    17007 Traceback (most recent call last): 
    17008 File
    17009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17010 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17011 return self._func(self._name, data) 
    17012 File
    17013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17014 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17015 if v.display: 
    17016 File
    17017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17018 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17019 return self._any_displayed_positions and len(self._positions) > 0 
    17020 TypeError: object of type 'NoneType' has no len() 
    17021  
    17022 During handling of the above exception, another exception occurred: 
    17023  
    17024 Traceback (most recent call last): 
    17025 File
    17026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17027 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17028 if not self.draw_new_frame(): 
    17029 File
    17030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17031 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17032 changed = view.check_for_drawing_change() 
    17033 File
    17034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17035 packages/chimerax/core/graphics/view.py", line 252, in
    17036 check_for_drawing_change 
    17037 trig.activate_trigger('graphics update', self) 
    17038 File
    17039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17040 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17041 trigger.activate(data) 
    17042 File
    17043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17044 packages/chimerax/core/triggerset.py", line 190, in activate 
    17045 ret = handler.invoke(data, self._remove_bad_handlers) 
    17046 File
    17047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17048 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17049 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17050 File
    17051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17052 packages/chimerax/core/session.py", line 943, in <lambda> 
    17053 logger.report_exception(preface=preface)) 
    17054 File
    17055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17056 packages/chimerax/core/logger.py", line 421, in report_exception 
    17057 elif probably_chimera1_session(exc_info): 
    17058 File
    17059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17060 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17061 etype, evalue, etraceback = exc_info 
    17062 TypeError: cannot unpack non-iterable NoneType object 
    17063  
    17064 TypeError: cannot unpack non-iterable NoneType object 
    17065  
    17066 File
    17067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17068 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17069 etype, evalue, etraceback = exc_info 
    17070  
    17071 See log for complete Python traceback. 
    17072  
    17073 Traceback (most recent call last): 
    17074 File
    17075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17076 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17077 return self._func(self._name, data) 
    17078 File
    17079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17080 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17081 if v.display: 
    17082 File
    17083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17084 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17085 return self._any_displayed_positions and len(self._positions) > 0 
    17086 TypeError: object of type 'NoneType' has no len() 
    17087  
    17088 During handling of the above exception, another exception occurred: 
    17089  
    17090 Traceback (most recent call last): 
    17091 File
    17092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17093 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17094 if not self.draw_new_frame(): 
    17095 File
    17096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17097 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17098 changed = view.check_for_drawing_change() 
    17099 File
    17100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17101 packages/chimerax/core/graphics/view.py", line 252, in
    17102 check_for_drawing_change 
    17103 trig.activate_trigger('graphics update', self) 
    17104 File
    17105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17106 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17107 trigger.activate(data) 
    17108 File
    17109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17110 packages/chimerax/core/triggerset.py", line 190, in activate 
    17111 ret = handler.invoke(data, self._remove_bad_handlers) 
    17112 File
    17113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17114 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17115 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17116 File
    17117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17118 packages/chimerax/core/session.py", line 943, in <lambda> 
    17119 logger.report_exception(preface=preface)) 
    17120 File
    17121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17122 packages/chimerax/core/logger.py", line 421, in report_exception 
    17123 elif probably_chimera1_session(exc_info): 
    17124 File
    17125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17126 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17127 etype, evalue, etraceback = exc_info 
    17128 TypeError: cannot unpack non-iterable NoneType object 
    17129  
    17130 TypeError: cannot unpack non-iterable NoneType object 
    17131  
    17132 File
    17133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17134 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17135 etype, evalue, etraceback = exc_info 
    17136  
    17137 See log for complete Python traceback. 
    17138  
    17139 Traceback (most recent call last): 
    17140 File
    17141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17142 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17143 return self._func(self._name, data) 
    17144 File
    17145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17146 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17147 if v.display: 
    17148 File
    17149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17150 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17151 return self._any_displayed_positions and len(self._positions) > 0 
    17152 TypeError: object of type 'NoneType' has no len() 
    17153  
    17154 During handling of the above exception, another exception occurred: 
    17155  
    17156 Traceback (most recent call last): 
    17157 File
    17158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17159 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17160 if not self.draw_new_frame(): 
    17161 File
    17162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17163 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17164 changed = view.check_for_drawing_change() 
    17165 File
    17166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17167 packages/chimerax/core/graphics/view.py", line 252, in
    17168 check_for_drawing_change 
    17169 trig.activate_trigger('graphics update', self) 
    17170 File
    17171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17172 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17173 trigger.activate(data) 
    17174 File
    17175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17176 packages/chimerax/core/triggerset.py", line 190, in activate 
    17177 ret = handler.invoke(data, self._remove_bad_handlers) 
    17178 File
    17179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17180 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17181 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17182 File
    17183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17184 packages/chimerax/core/session.py", line 943, in <lambda> 
    17185 logger.report_exception(preface=preface)) 
    17186 File
    17187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17188 packages/chimerax/core/logger.py", line 421, in report_exception 
    17189 elif probably_chimera1_session(exc_info): 
    17190 File
    17191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17192 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17193 etype, evalue, etraceback = exc_info 
    17194 TypeError: cannot unpack non-iterable NoneType object 
    17195  
    17196 TypeError: cannot unpack non-iterable NoneType object 
    17197  
    17198 File
    17199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17200 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17201 etype, evalue, etraceback = exc_info 
    17202  
    17203 See log for complete Python traceback. 
    17204  
    17205 Traceback (most recent call last): 
    17206 File
    17207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17208 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17209 return self._func(self._name, data) 
    17210 File
    17211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17212 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17213 if v.display: 
    17214 File
    17215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17216 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17217 return self._any_displayed_positions and len(self._positions) > 0 
    17218 TypeError: object of type 'NoneType' has no len() 
    17219  
    17220 During handling of the above exception, another exception occurred: 
    17221  
    17222 Traceback (most recent call last): 
    17223 File
    17224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17225 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17226 if not self.draw_new_frame(): 
    17227 File
    17228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17229 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17230 changed = view.check_for_drawing_change() 
    17231 File
    17232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17233 packages/chimerax/core/graphics/view.py", line 252, in
    17234 check_for_drawing_change 
    17235 trig.activate_trigger('graphics update', self) 
    17236 File
    17237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17238 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17239 trigger.activate(data) 
    17240 File
    17241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17242 packages/chimerax/core/triggerset.py", line 190, in activate 
    17243 ret = handler.invoke(data, self._remove_bad_handlers) 
    17244 File
    17245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17246 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17247 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17248 File
    17249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17250 packages/chimerax/core/session.py", line 943, in <lambda> 
    17251 logger.report_exception(preface=preface)) 
    17252 File
    17253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17254 packages/chimerax/core/logger.py", line 421, in report_exception 
    17255 elif probably_chimera1_session(exc_info): 
    17256 File
    17257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17258 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17259 etype, evalue, etraceback = exc_info 
    17260 TypeError: cannot unpack non-iterable NoneType object 
    17261  
    17262 TypeError: cannot unpack non-iterable NoneType object 
    17263  
    17264 File
    17265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17266 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17267 etype, evalue, etraceback = exc_info 
    17268  
    17269 See log for complete Python traceback. 
    17270  
    17271 Traceback (most recent call last): 
    17272 File
    17273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17274 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17275 return self._func(self._name, data) 
    17276 File
    17277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17278 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17279 if v.display: 
    17280 File
    17281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17282 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17283 return self._any_displayed_positions and len(self._positions) > 0 
    17284 TypeError: object of type 'NoneType' has no len() 
    17285  
    17286 During handling of the above exception, another exception occurred: 
    17287  
    17288 Traceback (most recent call last): 
    17289 File
    17290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17291 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17292 if not self.draw_new_frame(): 
    17293 File
    17294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17295 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17296 changed = view.check_for_drawing_change() 
    17297 File
    17298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17299 packages/chimerax/core/graphics/view.py", line 252, in
    17300 check_for_drawing_change 
    17301 trig.activate_trigger('graphics update', self) 
    17302 File
    17303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17304 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17305 trigger.activate(data) 
    17306 File
    17307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17308 packages/chimerax/core/triggerset.py", line 190, in activate 
    17309 ret = handler.invoke(data, self._remove_bad_handlers) 
    17310 File
    17311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17312 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17313 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17314 File
    17315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17316 packages/chimerax/core/session.py", line 943, in <lambda> 
    17317 logger.report_exception(preface=preface)) 
    17318 File
    17319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17320 packages/chimerax/core/logger.py", line 421, in report_exception 
    17321 elif probably_chimera1_session(exc_info): 
    17322 File
    17323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17324 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17325 etype, evalue, etraceback = exc_info 
    17326 TypeError: cannot unpack non-iterable NoneType object 
    17327  
    17328 TypeError: cannot unpack non-iterable NoneType object 
    17329  
    17330 File
    17331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17332 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17333 etype, evalue, etraceback = exc_info 
    17334  
    17335 See log for complete Python traceback. 
    17336  
    17337 Traceback (most recent call last): 
    17338 File
    17339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17340 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17341 return self._func(self._name, data) 
    17342 File
    17343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17344 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17345 if v.display: 
    17346 File
    17347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17348 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17349 return self._any_displayed_positions and len(self._positions) > 0 
    17350 TypeError: object of type 'NoneType' has no len() 
    17351  
    17352 During handling of the above exception, another exception occurred: 
    17353  
    17354 Traceback (most recent call last): 
    17355 File
    17356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17357 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17358 if not self.draw_new_frame(): 
    17359 File
    17360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17361 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17362 changed = view.check_for_drawing_change() 
    17363 File
    17364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17365 packages/chimerax/core/graphics/view.py", line 252, in
    17366 check_for_drawing_change 
    17367 trig.activate_trigger('graphics update', self) 
    17368 File
    17369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17370 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17371 trigger.activate(data) 
    17372 File
    17373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17374 packages/chimerax/core/triggerset.py", line 190, in activate 
    17375 ret = handler.invoke(data, self._remove_bad_handlers) 
    17376 File
    17377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17378 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17379 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17380 File
    17381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17382 packages/chimerax/core/session.py", line 943, in <lambda> 
    17383 logger.report_exception(preface=preface)) 
    17384 File
    17385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17386 packages/chimerax/core/logger.py", line 421, in report_exception 
    17387 elif probably_chimera1_session(exc_info): 
    17388 File
    17389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17390 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17391 etype, evalue, etraceback = exc_info 
    17392 TypeError: cannot unpack non-iterable NoneType object 
    17393  
    17394 TypeError: cannot unpack non-iterable NoneType object 
    17395  
    17396 File
    17397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17398 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17399 etype, evalue, etraceback = exc_info 
    17400  
    17401 See log for complete Python traceback. 
    17402  
    17403 Traceback (most recent call last): 
    17404 File
    17405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17406 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17407 return self._func(self._name, data) 
    17408 File
    17409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17410 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17411 if v.display: 
    17412 File
    17413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17414 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17415 return self._any_displayed_positions and len(self._positions) > 0 
    17416 TypeError: object of type 'NoneType' has no len() 
    17417  
    17418 During handling of the above exception, another exception occurred: 
    17419  
    17420 Traceback (most recent call last): 
    17421 File
    17422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17423 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17424 if not self.draw_new_frame(): 
    17425 File
    17426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17427 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17428 changed = view.check_for_drawing_change() 
    17429 File
    17430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17431 packages/chimerax/core/graphics/view.py", line 252, in
    17432 check_for_drawing_change 
    17433 trig.activate_trigger('graphics update', self) 
    17434 File
    17435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17436 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17437 trigger.activate(data) 
    17438 File
    17439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17440 packages/chimerax/core/triggerset.py", line 190, in activate 
    17441 ret = handler.invoke(data, self._remove_bad_handlers) 
    17442 File
    17443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17444 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17445 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17446 File
    17447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17448 packages/chimerax/core/session.py", line 943, in <lambda> 
    17449 logger.report_exception(preface=preface)) 
    17450 File
    17451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17452 packages/chimerax/core/logger.py", line 421, in report_exception 
    17453 elif probably_chimera1_session(exc_info): 
    17454 File
    17455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17456 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17457 etype, evalue, etraceback = exc_info 
    17458 TypeError: cannot unpack non-iterable NoneType object 
    17459  
    17460 TypeError: cannot unpack non-iterable NoneType object 
    17461  
    17462 File
    17463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17464 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17465 etype, evalue, etraceback = exc_info 
    17466  
    17467 See log for complete Python traceback. 
    17468  
    17469 Traceback (most recent call last): 
    17470 File
    17471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17472 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17473 return self._func(self._name, data) 
    17474 File
    17475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17476 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17477 if v.display: 
    17478 File
    17479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17480 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17481 return self._any_displayed_positions and len(self._positions) > 0 
    17482 TypeError: object of type 'NoneType' has no len() 
    17483  
    17484 During handling of the above exception, another exception occurred: 
    17485  
    17486 Traceback (most recent call last): 
    17487 File
    17488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17489 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17490 if not self.draw_new_frame(): 
    17491 File
    17492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17493 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17494 changed = view.check_for_drawing_change() 
    17495 File
    17496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17497 packages/chimerax/core/graphics/view.py", line 252, in
    17498 check_for_drawing_change 
    17499 trig.activate_trigger('graphics update', self) 
    17500 File
    17501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17502 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17503 trigger.activate(data) 
    17504 File
    17505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17506 packages/chimerax/core/triggerset.py", line 190, in activate 
    17507 ret = handler.invoke(data, self._remove_bad_handlers) 
    17508 File
    17509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17510 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17511 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17512 File
    17513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17514 packages/chimerax/core/session.py", line 943, in <lambda> 
    17515 logger.report_exception(preface=preface)) 
    17516 File
    17517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17518 packages/chimerax/core/logger.py", line 421, in report_exception 
    17519 elif probably_chimera1_session(exc_info): 
    17520 File
    17521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17522 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17523 etype, evalue, etraceback = exc_info 
    17524 TypeError: cannot unpack non-iterable NoneType object 
    17525  
    17526 TypeError: cannot unpack non-iterable NoneType object 
    17527  
    17528 File
    17529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17530 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17531 etype, evalue, etraceback = exc_info 
    17532  
    17533 See log for complete Python traceback. 
    17534  
    17535 Traceback (most recent call last): 
    17536 File
    17537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17538 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17539 return self._func(self._name, data) 
    17540 File
    17541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17542 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17543 if v.display: 
    17544 File
    17545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17546 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17547 return self._any_displayed_positions and len(self._positions) > 0 
    17548 TypeError: object of type 'NoneType' has no len() 
    17549  
    17550 During handling of the above exception, another exception occurred: 
    17551  
    17552 Traceback (most recent call last): 
    17553 File
    17554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17555 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17556 if not self.draw_new_frame(): 
    17557 File
    17558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17559 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17560 changed = view.check_for_drawing_change() 
    17561 File
    17562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17563 packages/chimerax/core/graphics/view.py", line 252, in
    17564 check_for_drawing_change 
    17565 trig.activate_trigger('graphics update', self) 
    17566 File
    17567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17568 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17569 trigger.activate(data) 
    17570 File
    17571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17572 packages/chimerax/core/triggerset.py", line 190, in activate 
    17573 ret = handler.invoke(data, self._remove_bad_handlers) 
    17574 File
    17575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17576 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17577 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17578 File
    17579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17580 packages/chimerax/core/session.py", line 943, in <lambda> 
    17581 logger.report_exception(preface=preface)) 
    17582 File
    17583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17584 packages/chimerax/core/logger.py", line 421, in report_exception 
    17585 elif probably_chimera1_session(exc_info): 
    17586 File
    17587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17588 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17589 etype, evalue, etraceback = exc_info 
    17590 TypeError: cannot unpack non-iterable NoneType object 
    17591  
    17592 TypeError: cannot unpack non-iterable NoneType object 
    17593  
    17594 File
    17595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17596 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17597 etype, evalue, etraceback = exc_info 
    17598  
    17599 See log for complete Python traceback. 
    17600  
    17601 Traceback (most recent call last): 
    17602 File
    17603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17604 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17605 return self._func(self._name, data) 
    17606 File
    17607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17608 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17609 if v.display: 
    17610 File
    17611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17612 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17613 return self._any_displayed_positions and len(self._positions) > 0 
    17614 TypeError: object of type 'NoneType' has no len() 
    17615  
    17616 During handling of the above exception, another exception occurred: 
    17617  
    17618 Traceback (most recent call last): 
    17619 File
    17620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17621 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17622 if not self.draw_new_frame(): 
    17623 File
    17624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17625 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17626 changed = view.check_for_drawing_change() 
    17627 File
    17628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17629 packages/chimerax/core/graphics/view.py", line 252, in
    17630 check_for_drawing_change 
    17631 trig.activate_trigger('graphics update', self) 
    17632 File
    17633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17634 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17635 trigger.activate(data) 
    17636 File
    17637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17638 packages/chimerax/core/triggerset.py", line 190, in activate 
    17639 ret = handler.invoke(data, self._remove_bad_handlers) 
    17640 File
    17641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17642 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17643 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17644 File
    17645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17646 packages/chimerax/core/session.py", line 943, in <lambda> 
    17647 logger.report_exception(preface=preface)) 
    17648 File
    17649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17650 packages/chimerax/core/logger.py", line 421, in report_exception 
    17651 elif probably_chimera1_session(exc_info): 
    17652 File
    17653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17654 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17655 etype, evalue, etraceback = exc_info 
    17656 TypeError: cannot unpack non-iterable NoneType object 
    17657  
    17658 TypeError: cannot unpack non-iterable NoneType object 
    17659  
    17660 File
    17661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17662 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17663 etype, evalue, etraceback = exc_info 
    17664  
    17665 See log for complete Python traceback. 
    17666  
    17667 Traceback (most recent call last): 
    17668 File
    17669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17670 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17671 return self._func(self._name, data) 
    17672 File
    17673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17674 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17675 if v.display: 
    17676 File
    17677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17678 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17679 return self._any_displayed_positions and len(self._positions) > 0 
    17680 TypeError: object of type 'NoneType' has no len() 
    17681  
    17682 During handling of the above exception, another exception occurred: 
    17683  
    17684 Traceback (most recent call last): 
    17685 File
    17686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17687 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17688 if not self.draw_new_frame(): 
    17689 File
    17690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17691 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17692 changed = view.check_for_drawing_change() 
    17693 File
    17694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17695 packages/chimerax/core/graphics/view.py", line 252, in
    17696 check_for_drawing_change 
    17697 trig.activate_trigger('graphics update', self) 
    17698 File
    17699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17700 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17701 trigger.activate(data) 
    17702 File
    17703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17704 packages/chimerax/core/triggerset.py", line 190, in activate 
    17705 ret = handler.invoke(data, self._remove_bad_handlers) 
    17706 File
    17707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17708 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17709 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17710 File
    17711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17712 packages/chimerax/core/session.py", line 943, in <lambda> 
    17713 logger.report_exception(preface=preface)) 
    17714 File
    17715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17716 packages/chimerax/core/logger.py", line 421, in report_exception 
    17717 elif probably_chimera1_session(exc_info): 
    17718 File
    17719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17720 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17721 etype, evalue, etraceback = exc_info 
    17722 TypeError: cannot unpack non-iterable NoneType object 
    17723  
    17724 TypeError: cannot unpack non-iterable NoneType object 
    17725  
    17726 File
    17727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17728 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17729 etype, evalue, etraceback = exc_info 
    17730  
    17731 See log for complete Python traceback. 
    17732  
    17733 Traceback (most recent call last): 
    17734 File
    17735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17736 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17737 return self._func(self._name, data) 
    17738 File
    17739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17740 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17741 if v.display: 
    17742 File
    17743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17744 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17745 return self._any_displayed_positions and len(self._positions) > 0 
    17746 TypeError: object of type 'NoneType' has no len() 
    17747  
    17748 During handling of the above exception, another exception occurred: 
    17749  
    17750 Traceback (most recent call last): 
    17751 File
    17752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17753 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17754 if not self.draw_new_frame(): 
    17755 File
    17756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17757 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17758 changed = view.check_for_drawing_change() 
    17759 File
    17760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17761 packages/chimerax/core/graphics/view.py", line 252, in
    17762 check_for_drawing_change 
    17763 trig.activate_trigger('graphics update', self) 
    17764 File
    17765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17766 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17767 trigger.activate(data) 
    17768 File
    17769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17770 packages/chimerax/core/triggerset.py", line 190, in activate 
    17771 ret = handler.invoke(data, self._remove_bad_handlers) 
    17772 File
    17773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17774 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17775 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17776 File
    17777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17778 packages/chimerax/core/session.py", line 943, in <lambda> 
    17779 logger.report_exception(preface=preface)) 
    17780 File
    17781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17782 packages/chimerax/core/logger.py", line 421, in report_exception 
    17783 elif probably_chimera1_session(exc_info): 
    17784 File
    17785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17786 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17787 etype, evalue, etraceback = exc_info 
    17788 TypeError: cannot unpack non-iterable NoneType object 
    17789  
    17790 TypeError: cannot unpack non-iterable NoneType object 
    17791  
    17792 File
    17793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17794 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17795 etype, evalue, etraceback = exc_info 
    17796  
    17797 See log for complete Python traceback. 
    17798  
    17799 Traceback (most recent call last): 
    17800 File
    17801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17802 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17803 return self._func(self._name, data) 
    17804 File
    17805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17806 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17807 if v.display: 
    17808 File
    17809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17810 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17811 return self._any_displayed_positions and len(self._positions) > 0 
    17812 TypeError: object of type 'NoneType' has no len() 
    17813  
    17814 During handling of the above exception, another exception occurred: 
    17815  
    17816 Traceback (most recent call last): 
    17817 File
    17818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17819 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17820 if not self.draw_new_frame(): 
    17821 File
    17822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17823 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17824 changed = view.check_for_drawing_change() 
    17825 File
    17826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17827 packages/chimerax/core/graphics/view.py", line 252, in
    17828 check_for_drawing_change 
    17829 trig.activate_trigger('graphics update', self) 
    17830 File
    17831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17832 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17833 trigger.activate(data) 
    17834 File
    17835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17836 packages/chimerax/core/triggerset.py", line 190, in activate 
    17837 ret = handler.invoke(data, self._remove_bad_handlers) 
    17838 File
    17839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17840 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17841 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17842 File
    17843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17844 packages/chimerax/core/session.py", line 943, in <lambda> 
    17845 logger.report_exception(preface=preface)) 
    17846 File
    17847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17848 packages/chimerax/core/logger.py", line 421, in report_exception 
    17849 elif probably_chimera1_session(exc_info): 
    17850 File
    17851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17852 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17853 etype, evalue, etraceback = exc_info 
    17854 TypeError: cannot unpack non-iterable NoneType object 
    17855  
    17856 TypeError: cannot unpack non-iterable NoneType object 
    17857  
    17858 File
    17859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17860 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17861 etype, evalue, etraceback = exc_info 
    17862  
    17863 See log for complete Python traceback. 
    17864  
    17865 Traceback (most recent call last): 
    17866 File
    17867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17869 return self._func(self._name, data) 
    17870 File
    17871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17872 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17873 if v.display: 
    17874 File
    17875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17876 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17877 return self._any_displayed_positions and len(self._positions) > 0 
    17878 TypeError: object of type 'NoneType' has no len() 
    17879  
    17880 During handling of the above exception, another exception occurred: 
    17881  
    17882 Traceback (most recent call last): 
    17883 File
    17884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17885 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17886 if not self.draw_new_frame(): 
    17887 File
    17888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17889 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17890 changed = view.check_for_drawing_change() 
    17891 File
    17892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17893 packages/chimerax/core/graphics/view.py", line 252, in
    17894 check_for_drawing_change 
    17895 trig.activate_trigger('graphics update', self) 
    17896 File
    17897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17898 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17899 trigger.activate(data) 
    17900 File
    17901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17902 packages/chimerax/core/triggerset.py", line 190, in activate 
    17903 ret = handler.invoke(data, self._remove_bad_handlers) 
    17904 File
    17905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17906 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17907 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17908 File
    17909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17910 packages/chimerax/core/session.py", line 943, in <lambda> 
    17911 logger.report_exception(preface=preface)) 
    17912 File
    17913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17914 packages/chimerax/core/logger.py", line 421, in report_exception 
    17915 elif probably_chimera1_session(exc_info): 
    17916 File
    17917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17918 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17919 etype, evalue, etraceback = exc_info 
    17920 TypeError: cannot unpack non-iterable NoneType object 
    17921  
    17922 TypeError: cannot unpack non-iterable NoneType object 
    17923  
    17924 File
    17925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17926 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17927 etype, evalue, etraceback = exc_info 
    17928  
    17929 See log for complete Python traceback. 
    17930  
    17931 Traceback (most recent call last): 
    17932 File
    17933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17934 packages/chimerax/core/triggerset.py", line 130, in invoke 
    17935 return self._func(self._name, data) 
    17936 File
    17937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17938 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    17939 if v.display: 
    17940 File
    17941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17942 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    17943 return self._any_displayed_positions and len(self._positions) > 0 
    17944 TypeError: object of type 'NoneType' has no len() 
    17945  
    17946 During handling of the above exception, another exception occurred: 
    17947  
    17948 Traceback (most recent call last): 
    17949 File
    17950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17951 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    17952 if not self.draw_new_frame(): 
    17953 File
    17954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17955 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    17956 changed = view.check_for_drawing_change() 
    17957 File
    17958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17959 packages/chimerax/core/graphics/view.py", line 252, in
    17960 check_for_drawing_change 
    17961 trig.activate_trigger('graphics update', self) 
    17962 File
    17963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17964 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    17965 trigger.activate(data) 
    17966 File
    17967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17968 packages/chimerax/core/triggerset.py", line 190, in activate 
    17969 ret = handler.invoke(data, self._remove_bad_handlers) 
    17970 File
    17971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17972 packages/chimerax/core/triggerset.py", line 132, in invoke 
    17973 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    17974 File
    17975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17976 packages/chimerax/core/session.py", line 943, in <lambda> 
    17977 logger.report_exception(preface=preface)) 
    17978 File
    17979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17980 packages/chimerax/core/logger.py", line 421, in report_exception 
    17981 elif probably_chimera1_session(exc_info): 
    17982 File
    17983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17984 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17985 etype, evalue, etraceback = exc_info 
    17986 TypeError: cannot unpack non-iterable NoneType object 
    17987  
    17988 TypeError: cannot unpack non-iterable NoneType object 
    17989  
    17990 File
    17991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    17992 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    17993 etype, evalue, etraceback = exc_info 
    17994  
    17995 See log for complete Python traceback. 
    17996  
    17997 Traceback (most recent call last): 
    17998 File
    17999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18000 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18001 return self._func(self._name, data) 
    18002 File
    18003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18004 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18005 if v.display: 
    18006 File
    18007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18008 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18009 return self._any_displayed_positions and len(self._positions) > 0 
    18010 TypeError: object of type 'NoneType' has no len() 
    18011  
    18012 During handling of the above exception, another exception occurred: 
    18013  
    18014 Traceback (most recent call last): 
    18015 File
    18016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18017 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18018 if not self.draw_new_frame(): 
    18019 File
    18020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18021 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18022 changed = view.check_for_drawing_change() 
    18023 File
    18024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18025 packages/chimerax/core/graphics/view.py", line 252, in
    18026 check_for_drawing_change 
    18027 trig.activate_trigger('graphics update', self) 
    18028 File
    18029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18030 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18031 trigger.activate(data) 
    18032 File
    18033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18034 packages/chimerax/core/triggerset.py", line 190, in activate 
    18035 ret = handler.invoke(data, self._remove_bad_handlers) 
    18036 File
    18037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18038 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18039 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18040 File
    18041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18042 packages/chimerax/core/session.py", line 943, in <lambda> 
    18043 logger.report_exception(preface=preface)) 
    18044 File
    18045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18046 packages/chimerax/core/logger.py", line 421, in report_exception 
    18047 elif probably_chimera1_session(exc_info): 
    18048 File
    18049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18050 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18051 etype, evalue, etraceback = exc_info 
    18052 TypeError: cannot unpack non-iterable NoneType object 
    18053  
    18054 TypeError: cannot unpack non-iterable NoneType object 
    18055  
    18056 File
    18057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18058 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18059 etype, evalue, etraceback = exc_info 
    18060  
    18061 See log for complete Python traceback. 
    18062  
    18063 Traceback (most recent call last): 
    18064 File
    18065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18066 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18067 return self._func(self._name, data) 
    18068 File
    18069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18070 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18071 if v.display: 
    18072 File
    18073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18074 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18075 return self._any_displayed_positions and len(self._positions) > 0 
    18076 TypeError: object of type 'NoneType' has no len() 
    18077  
    18078 During handling of the above exception, another exception occurred: 
    18079  
    18080 Traceback (most recent call last): 
    18081 File
    18082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18083 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18084 if not self.draw_new_frame(): 
    18085 File
    18086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18087 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18088 changed = view.check_for_drawing_change() 
    18089 File
    18090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18091 packages/chimerax/core/graphics/view.py", line 252, in
    18092 check_for_drawing_change 
    18093 trig.activate_trigger('graphics update', self) 
    18094 File
    18095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18096 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18097 trigger.activate(data) 
    18098 File
    18099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18100 packages/chimerax/core/triggerset.py", line 190, in activate 
    18101 ret = handler.invoke(data, self._remove_bad_handlers) 
    18102 File
    18103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18104 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18105 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18106 File
    18107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18108 packages/chimerax/core/session.py", line 943, in <lambda> 
    18109 logger.report_exception(preface=preface)) 
    18110 File
    18111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18112 packages/chimerax/core/logger.py", line 421, in report_exception 
    18113 elif probably_chimera1_session(exc_info): 
    18114 File
    18115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18116 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18117 etype, evalue, etraceback = exc_info 
    18118 TypeError: cannot unpack non-iterable NoneType object 
    18119  
    18120 TypeError: cannot unpack non-iterable NoneType object 
    18121  
    18122 File
    18123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18124 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18125 etype, evalue, etraceback = exc_info 
    18126  
    18127 See log for complete Python traceback. 
    18128  
    18129 Traceback (most recent call last): 
    18130 File
    18131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18132 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18133 return self._func(self._name, data) 
    18134 File
    18135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18136 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18137 if v.display: 
    18138 File
    18139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18140 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18141 return self._any_displayed_positions and len(self._positions) > 0 
    18142 TypeError: object of type 'NoneType' has no len() 
    18143  
    18144 During handling of the above exception, another exception occurred: 
    18145  
    18146 Traceback (most recent call last): 
    18147 File
    18148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18149 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18150 if not self.draw_new_frame(): 
    18151 File
    18152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18153 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18154 changed = view.check_for_drawing_change() 
    18155 File
    18156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18157 packages/chimerax/core/graphics/view.py", line 252, in
    18158 check_for_drawing_change 
    18159 trig.activate_trigger('graphics update', self) 
    18160 File
    18161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18162 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18163 trigger.activate(data) 
    18164 File
    18165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18166 packages/chimerax/core/triggerset.py", line 190, in activate 
    18167 ret = handler.invoke(data, self._remove_bad_handlers) 
    18168 File
    18169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18170 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18171 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18172 File
    18173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18174 packages/chimerax/core/session.py", line 943, in <lambda> 
    18175 logger.report_exception(preface=preface)) 
    18176 File
    18177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18178 packages/chimerax/core/logger.py", line 421, in report_exception 
    18179 elif probably_chimera1_session(exc_info): 
    18180 File
    18181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18182 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18183 etype, evalue, etraceback = exc_info 
    18184 TypeError: cannot unpack non-iterable NoneType object 
    18185  
    18186 TypeError: cannot unpack non-iterable NoneType object 
    18187  
    18188 File
    18189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18190 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18191 etype, evalue, etraceback = exc_info 
    18192  
    18193 See log for complete Python traceback. 
    18194  
    18195 Traceback (most recent call last): 
    18196 File
    18197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18198 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18199 return self._func(self._name, data) 
    18200 File
    18201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18202 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18203 if v.display: 
    18204 File
    18205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18206 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18207 return self._any_displayed_positions and len(self._positions) > 0 
    18208 TypeError: object of type 'NoneType' has no len() 
    18209  
    18210 During handling of the above exception, another exception occurred: 
    18211  
    18212 Traceback (most recent call last): 
    18213 File
    18214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18215 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18216 if not self.draw_new_frame(): 
    18217 File
    18218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18219 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18220 changed = view.check_for_drawing_change() 
    18221 File
    18222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18223 packages/chimerax/core/graphics/view.py", line 252, in
    18224 check_for_drawing_change 
    18225 trig.activate_trigger('graphics update', self) 
    18226 File
    18227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18228 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18229 trigger.activate(data) 
    18230 File
    18231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18232 packages/chimerax/core/triggerset.py", line 190, in activate 
    18233 ret = handler.invoke(data, self._remove_bad_handlers) 
    18234 File
    18235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18236 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18237 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18238 File
    18239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18240 packages/chimerax/core/session.py", line 943, in <lambda> 
    18241 logger.report_exception(preface=preface)) 
    18242 File
    18243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18244 packages/chimerax/core/logger.py", line 421, in report_exception 
    18245 elif probably_chimera1_session(exc_info): 
    18246 File
    18247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18248 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18249 etype, evalue, etraceback = exc_info 
    18250 TypeError: cannot unpack non-iterable NoneType object 
    18251  
    18252 TypeError: cannot unpack non-iterable NoneType object 
    18253  
    18254 File
    18255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18256 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18257 etype, evalue, etraceback = exc_info 
    18258  
    18259 See log for complete Python traceback. 
    18260  
    18261 Traceback (most recent call last): 
    18262 File
    18263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18264 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18265 return self._func(self._name, data) 
    18266 File
    18267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18268 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18269 if v.display: 
    18270 File
    18271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18272 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18273 return self._any_displayed_positions and len(self._positions) > 0 
    18274 TypeError: object of type 'NoneType' has no len() 
    18275  
    18276 During handling of the above exception, another exception occurred: 
    18277  
    18278 Traceback (most recent call last): 
    18279 File
    18280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18281 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18282 if not self.draw_new_frame(): 
    18283 File
    18284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18285 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18286 changed = view.check_for_drawing_change() 
    18287 File
    18288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18289 packages/chimerax/core/graphics/view.py", line 252, in
    18290 check_for_drawing_change 
    18291 trig.activate_trigger('graphics update', self) 
    18292 File
    18293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18294 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18295 trigger.activate(data) 
    18296 File
    18297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18298 packages/chimerax/core/triggerset.py", line 190, in activate 
    18299 ret = handler.invoke(data, self._remove_bad_handlers) 
    18300 File
    18301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18302 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18303 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18304 File
    18305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18306 packages/chimerax/core/session.py", line 943, in <lambda> 
    18307 logger.report_exception(preface=preface)) 
    18308 File
    18309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18310 packages/chimerax/core/logger.py", line 421, in report_exception 
    18311 elif probably_chimera1_session(exc_info): 
    18312 File
    18313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18314 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18315 etype, evalue, etraceback = exc_info 
    18316 TypeError: cannot unpack non-iterable NoneType object 
    18317  
    18318 TypeError: cannot unpack non-iterable NoneType object 
    18319  
    18320 File
    18321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18322 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18323 etype, evalue, etraceback = exc_info 
    18324  
    18325 See log for complete Python traceback. 
    18326  
    18327 Traceback (most recent call last): 
    18328 File
    18329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18330 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18331 return self._func(self._name, data) 
    18332 File
    18333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18334 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18335 if v.display: 
    18336 File
    18337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18338 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18339 return self._any_displayed_positions and len(self._positions) > 0 
    18340 TypeError: object of type 'NoneType' has no len() 
    18341  
    18342 During handling of the above exception, another exception occurred: 
    18343  
    18344 Traceback (most recent call last): 
    18345 File
    18346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18347 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18348 if not self.draw_new_frame(): 
    18349 File
    18350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18351 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18352 changed = view.check_for_drawing_change() 
    18353 File
    18354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18355 packages/chimerax/core/graphics/view.py", line 252, in
    18356 check_for_drawing_change 
    18357 trig.activate_trigger('graphics update', self) 
    18358 File
    18359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18360 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18361 trigger.activate(data) 
    18362 File
    18363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18364 packages/chimerax/core/triggerset.py", line 190, in activate 
    18365 ret = handler.invoke(data, self._remove_bad_handlers) 
    18366 File
    18367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18368 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18369 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18370 File
    18371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18372 packages/chimerax/core/session.py", line 943, in <lambda> 
    18373 logger.report_exception(preface=preface)) 
    18374 File
    18375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18376 packages/chimerax/core/logger.py", line 421, in report_exception 
    18377 elif probably_chimera1_session(exc_info): 
    18378 File
    18379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18380 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18381 etype, evalue, etraceback = exc_info 
    18382 TypeError: cannot unpack non-iterable NoneType object 
    18383  
    18384 TypeError: cannot unpack non-iterable NoneType object 
    18385  
    18386 File
    18387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18388 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18389 etype, evalue, etraceback = exc_info 
    18390  
    18391 See log for complete Python traceback. 
    18392  
    18393 Traceback (most recent call last): 
    18394 File
    18395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18396 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18397 return self._func(self._name, data) 
    18398 File
    18399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18400 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18401 if v.display: 
    18402 File
    18403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18404 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18405 return self._any_displayed_positions and len(self._positions) > 0 
    18406 TypeError: object of type 'NoneType' has no len() 
    18407  
    18408 During handling of the above exception, another exception occurred: 
    18409  
    18410 Traceback (most recent call last): 
    18411 File
    18412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18413 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18414 if not self.draw_new_frame(): 
    18415 File
    18416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18417 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18418 changed = view.check_for_drawing_change() 
    18419 File
    18420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18421 packages/chimerax/core/graphics/view.py", line 252, in
    18422 check_for_drawing_change 
    18423 trig.activate_trigger('graphics update', self) 
    18424 File
    18425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18426 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18427 trigger.activate(data) 
    18428 File
    18429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18430 packages/chimerax/core/triggerset.py", line 190, in activate 
    18431 ret = handler.invoke(data, self._remove_bad_handlers) 
    18432 File
    18433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18434 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18435 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18436 File
    18437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18438 packages/chimerax/core/session.py", line 943, in <lambda> 
    18439 logger.report_exception(preface=preface)) 
    18440 File
    18441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18442 packages/chimerax/core/logger.py", line 421, in report_exception 
    18443 elif probably_chimera1_session(exc_info): 
    18444 File
    18445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18446 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18447 etype, evalue, etraceback = exc_info 
    18448 TypeError: cannot unpack non-iterable NoneType object 
    18449  
    18450 TypeError: cannot unpack non-iterable NoneType object 
    18451  
    18452 File
    18453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18454 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18455 etype, evalue, etraceback = exc_info 
    18456  
    18457 See log for complete Python traceback. 
    18458  
    18459 Traceback (most recent call last): 
    18460 File
    18461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18462 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18463 return self._func(self._name, data) 
    18464 File
    18465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18466 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18467 if v.display: 
    18468 File
    18469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18470 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18471 return self._any_displayed_positions and len(self._positions) > 0 
    18472 TypeError: object of type 'NoneType' has no len() 
    18473  
    18474 During handling of the above exception, another exception occurred: 
    18475  
    18476 Traceback (most recent call last): 
    18477 File
    18478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18479 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18480 if not self.draw_new_frame(): 
    18481 File
    18482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18483 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18484 changed = view.check_for_drawing_change() 
    18485 File
    18486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18487 packages/chimerax/core/graphics/view.py", line 252, in
    18488 check_for_drawing_change 
    18489 trig.activate_trigger('graphics update', self) 
    18490 File
    18491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18492 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18493 trigger.activate(data) 
    18494 File
    18495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18496 packages/chimerax/core/triggerset.py", line 190, in activate 
    18497 ret = handler.invoke(data, self._remove_bad_handlers) 
    18498 File
    18499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18500 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18501 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18502 File
    18503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18504 packages/chimerax/core/session.py", line 943, in <lambda> 
    18505 logger.report_exception(preface=preface)) 
    18506 File
    18507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18508 packages/chimerax/core/logger.py", line 421, in report_exception 
    18509 elif probably_chimera1_session(exc_info): 
    18510 File
    18511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18512 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18513 etype, evalue, etraceback = exc_info 
    18514 TypeError: cannot unpack non-iterable NoneType object 
    18515  
    18516 TypeError: cannot unpack non-iterable NoneType object 
    18517  
    18518 File
    18519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18520 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18521 etype, evalue, etraceback = exc_info 
    18522  
    18523 See log for complete Python traceback. 
    18524  
    18525 Traceback (most recent call last): 
    18526 File
    18527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18528 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18529 return self._func(self._name, data) 
    18530 File
    18531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18532 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18533 if v.display: 
    18534 File
    18535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18536 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18537 return self._any_displayed_positions and len(self._positions) > 0 
    18538 TypeError: object of type 'NoneType' has no len() 
    18539  
    18540 During handling of the above exception, another exception occurred: 
    18541  
    18542 Traceback (most recent call last): 
    18543 File
    18544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18545 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18546 if not self.draw_new_frame(): 
    18547 File
    18548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18549 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18550 changed = view.check_for_drawing_change() 
    18551 File
    18552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18553 packages/chimerax/core/graphics/view.py", line 252, in
    18554 check_for_drawing_change 
    18555 trig.activate_trigger('graphics update', self) 
    18556 File
    18557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18558 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18559 trigger.activate(data) 
    18560 File
    18561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18562 packages/chimerax/core/triggerset.py", line 190, in activate 
    18563 ret = handler.invoke(data, self._remove_bad_handlers) 
    18564 File
    18565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18566 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18567 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18568 File
    18569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18570 packages/chimerax/core/session.py", line 943, in <lambda> 
    18571 logger.report_exception(preface=preface)) 
    18572 File
    18573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18574 packages/chimerax/core/logger.py", line 421, in report_exception 
    18575 elif probably_chimera1_session(exc_info): 
    18576 File
    18577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18578 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18579 etype, evalue, etraceback = exc_info 
    18580 TypeError: cannot unpack non-iterable NoneType object 
    18581  
    18582 TypeError: cannot unpack non-iterable NoneType object 
    18583  
    18584 File
    18585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18586 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18587 etype, evalue, etraceback = exc_info 
    18588  
    18589 See log for complete Python traceback. 
    18590  
    18591 Traceback (most recent call last): 
    18592 File
    18593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18594 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18595 return self._func(self._name, data) 
    18596 File
    18597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18598 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18599 if v.display: 
    18600 File
    18601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18602 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18603 return self._any_displayed_positions and len(self._positions) > 0 
    18604 TypeError: object of type 'NoneType' has no len() 
    18605  
    18606 During handling of the above exception, another exception occurred: 
    18607  
    18608 Traceback (most recent call last): 
    18609 File
    18610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18611 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18612 if not self.draw_new_frame(): 
    18613 File
    18614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18615 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18616 changed = view.check_for_drawing_change() 
    18617 File
    18618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18619 packages/chimerax/core/graphics/view.py", line 252, in
    18620 check_for_drawing_change 
    18621 trig.activate_trigger('graphics update', self) 
    18622 File
    18623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18624 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18625 trigger.activate(data) 
    18626 File
    18627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18628 packages/chimerax/core/triggerset.py", line 190, in activate 
    18629 ret = handler.invoke(data, self._remove_bad_handlers) 
    18630 File
    18631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18632 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18633 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18634 File
    18635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18636 packages/chimerax/core/session.py", line 943, in <lambda> 
    18637 logger.report_exception(preface=preface)) 
    18638 File
    18639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18640 packages/chimerax/core/logger.py", line 421, in report_exception 
    18641 elif probably_chimera1_session(exc_info): 
    18642 File
    18643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18644 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18645 etype, evalue, etraceback = exc_info 
    18646 TypeError: cannot unpack non-iterable NoneType object 
    18647  
    18648 TypeError: cannot unpack non-iterable NoneType object 
    18649  
    18650 File
    18651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18652 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18653 etype, evalue, etraceback = exc_info 
    18654  
    18655 See log for complete Python traceback. 
    18656  
    18657 Traceback (most recent call last): 
    18658 File
    18659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18660 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18661 return self._func(self._name, data) 
    18662 File
    18663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18664 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18665 if v.display: 
    18666 File
    18667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18668 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18669 return self._any_displayed_positions and len(self._positions) > 0 
    18670 TypeError: object of type 'NoneType' has no len() 
    18671  
    18672 During handling of the above exception, another exception occurred: 
    18673  
    18674 Traceback (most recent call last): 
    18675 File
    18676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18677 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18678 if not self.draw_new_frame(): 
    18679 File
    18680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18681 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18682 changed = view.check_for_drawing_change() 
    18683 File
    18684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18685 packages/chimerax/core/graphics/view.py", line 252, in
    18686 check_for_drawing_change 
    18687 trig.activate_trigger('graphics update', self) 
    18688 File
    18689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18690 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18691 trigger.activate(data) 
    18692 File
    18693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18694 packages/chimerax/core/triggerset.py", line 190, in activate 
    18695 ret = handler.invoke(data, self._remove_bad_handlers) 
    18696 File
    18697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18698 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18699 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18700 File
    18701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18702 packages/chimerax/core/session.py", line 943, in <lambda> 
    18703 logger.report_exception(preface=preface)) 
    18704 File
    18705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18706 packages/chimerax/core/logger.py", line 421, in report_exception 
    18707 elif probably_chimera1_session(exc_info): 
    18708 File
    18709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18710 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18711 etype, evalue, etraceback = exc_info 
    18712 TypeError: cannot unpack non-iterable NoneType object 
    18713  
    18714 TypeError: cannot unpack non-iterable NoneType object 
    18715  
    18716 File
    18717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18718 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18719 etype, evalue, etraceback = exc_info 
    18720  
    18721 See log for complete Python traceback. 
    18722  
    18723 Traceback (most recent call last): 
    18724 File
    18725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18726 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18727 return self._func(self._name, data) 
    18728 File
    18729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18730 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18731 if v.display: 
    18732 File
    18733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18734 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18735 return self._any_displayed_positions and len(self._positions) > 0 
    18736 TypeError: object of type 'NoneType' has no len() 
    18737  
    18738 During handling of the above exception, another exception occurred: 
    18739  
    18740 Traceback (most recent call last): 
    18741 File
    18742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18743 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18744 if not self.draw_new_frame(): 
    18745 File
    18746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18747 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18748 changed = view.check_for_drawing_change() 
    18749 File
    18750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18751 packages/chimerax/core/graphics/view.py", line 252, in
    18752 check_for_drawing_change 
    18753 trig.activate_trigger('graphics update', self) 
    18754 File
    18755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18756 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18757 trigger.activate(data) 
    18758 File
    18759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18760 packages/chimerax/core/triggerset.py", line 190, in activate 
    18761 ret = handler.invoke(data, self._remove_bad_handlers) 
    18762 File
    18763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18764 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18765 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18766 File
    18767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18768 packages/chimerax/core/session.py", line 943, in <lambda> 
    18769 logger.report_exception(preface=preface)) 
    18770 File
    18771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18772 packages/chimerax/core/logger.py", line 421, in report_exception 
    18773 elif probably_chimera1_session(exc_info): 
    18774 File
    18775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18776 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18777 etype, evalue, etraceback = exc_info 
    18778 TypeError: cannot unpack non-iterable NoneType object 
    18779  
    18780 TypeError: cannot unpack non-iterable NoneType object 
    18781  
    18782 File
    18783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18784 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18785 etype, evalue, etraceback = exc_info 
    18786  
    18787 See log for complete Python traceback. 
    18788  
    18789 Traceback (most recent call last): 
    18790 File
    18791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18792 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18793 return self._func(self._name, data) 
    18794 File
    18795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18796 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18797 if v.display: 
    18798 File
    18799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18800 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18801 return self._any_displayed_positions and len(self._positions) > 0 
    18802 TypeError: object of type 'NoneType' has no len() 
    18803  
    18804 During handling of the above exception, another exception occurred: 
    18805  
    18806 Traceback (most recent call last): 
    18807 File
    18808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18809 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18810 if not self.draw_new_frame(): 
    18811 File
    18812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18813 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18814 changed = view.check_for_drawing_change() 
    18815 File
    18816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18817 packages/chimerax/core/graphics/view.py", line 252, in
    18818 check_for_drawing_change 
    18819 trig.activate_trigger('graphics update', self) 
    18820 File
    18821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18822 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18823 trigger.activate(data) 
    18824 File
    18825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18826 packages/chimerax/core/triggerset.py", line 190, in activate 
    18827 ret = handler.invoke(data, self._remove_bad_handlers) 
    18828 File
    18829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18830 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18831 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18832 File
    18833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18834 packages/chimerax/core/session.py", line 943, in <lambda> 
    18835 logger.report_exception(preface=preface)) 
    18836 File
    18837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18838 packages/chimerax/core/logger.py", line 421, in report_exception 
    18839 elif probably_chimera1_session(exc_info): 
    18840 File
    18841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18842 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18843 etype, evalue, etraceback = exc_info 
    18844 TypeError: cannot unpack non-iterable NoneType object 
    18845  
    18846 TypeError: cannot unpack non-iterable NoneType object 
    18847  
    18848 File
    18849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18850 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18851 etype, evalue, etraceback = exc_info 
    18852  
    18853 See log for complete Python traceback. 
    18854  
    18855 Traceback (most recent call last): 
    18856 File
    18857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18858 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18859 return self._func(self._name, data) 
    18860 File
    18861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18862 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18863 if v.display: 
    18864 File
    18865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18866 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18867 return self._any_displayed_positions and len(self._positions) > 0 
    18868 TypeError: object of type 'NoneType' has no len() 
    18869  
    18870 During handling of the above exception, another exception occurred: 
    18871  
    18872 Traceback (most recent call last): 
    18873 File
    18874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18875 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18876 if not self.draw_new_frame(): 
    18877 File
    18878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18879 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18880 changed = view.check_for_drawing_change() 
    18881 File
    18882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18883 packages/chimerax/core/graphics/view.py", line 252, in
    18884 check_for_drawing_change 
    18885 trig.activate_trigger('graphics update', self) 
    18886 File
    18887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18888 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18889 trigger.activate(data) 
    18890 File
    18891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18892 packages/chimerax/core/triggerset.py", line 190, in activate 
    18893 ret = handler.invoke(data, self._remove_bad_handlers) 
    18894 File
    18895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18896 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18897 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18898 File
    18899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18900 packages/chimerax/core/session.py", line 943, in <lambda> 
    18901 logger.report_exception(preface=preface)) 
    18902 File
    18903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18904 packages/chimerax/core/logger.py", line 421, in report_exception 
    18905 elif probably_chimera1_session(exc_info): 
    18906 File
    18907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18908 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18909 etype, evalue, etraceback = exc_info 
    18910 TypeError: cannot unpack non-iterable NoneType object 
    18911  
    18912 TypeError: cannot unpack non-iterable NoneType object 
    18913  
    18914 File
    18915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18916 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18917 etype, evalue, etraceback = exc_info 
    18918  
    18919 See log for complete Python traceback. 
    18920  
    18921 Traceback (most recent call last): 
    18922 File
    18923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18924 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18925 return self._func(self._name, data) 
    18926 File
    18927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18928 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18929 if v.display: 
    18930 File
    18931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18932 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18933 return self._any_displayed_positions and len(self._positions) > 0 
    18934 TypeError: object of type 'NoneType' has no len() 
    18935  
    18936 During handling of the above exception, another exception occurred: 
    18937  
    18938 Traceback (most recent call last): 
    18939 File
    18940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18941 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    18942 if not self.draw_new_frame(): 
    18943 File
    18944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18945 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    18946 changed = view.check_for_drawing_change() 
    18947 File
    18948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18949 packages/chimerax/core/graphics/view.py", line 252, in
    18950 check_for_drawing_change 
    18951 trig.activate_trigger('graphics update', self) 
    18952 File
    18953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18954 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    18955 trigger.activate(data) 
    18956 File
    18957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18958 packages/chimerax/core/triggerset.py", line 190, in activate 
    18959 ret = handler.invoke(data, self._remove_bad_handlers) 
    18960 File
    18961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18962 packages/chimerax/core/triggerset.py", line 132, in invoke 
    18963 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    18964 File
    18965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18966 packages/chimerax/core/session.py", line 943, in <lambda> 
    18967 logger.report_exception(preface=preface)) 
    18968 File
    18969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18970 packages/chimerax/core/logger.py", line 421, in report_exception 
    18971 elif probably_chimera1_session(exc_info): 
    18972 File
    18973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18974 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18975 etype, evalue, etraceback = exc_info 
    18976 TypeError: cannot unpack non-iterable NoneType object 
    18977  
    18978 TypeError: cannot unpack non-iterable NoneType object 
    18979  
    18980 File
    18981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18982 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    18983 etype, evalue, etraceback = exc_info 
    18984  
    18985 See log for complete Python traceback. 
    18986  
    18987 Traceback (most recent call last): 
    18988 File
    18989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18990 packages/chimerax/core/triggerset.py", line 130, in invoke 
    18991 return self._func(self._name, data) 
    18992 File
    18993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18994 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    18995 if v.display: 
    18996 File
    18997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    18998 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    18999 return self._any_displayed_positions and len(self._positions) > 0 
    19000 TypeError: object of type 'NoneType' has no len() 
    19001  
    19002 During handling of the above exception, another exception occurred: 
    19003  
    19004 Traceback (most recent call last): 
    19005 File
    19006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19007 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19008 if not self.draw_new_frame(): 
    19009 File
    19010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19011 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19012 changed = view.check_for_drawing_change() 
    19013 File
    19014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19015 packages/chimerax/core/graphics/view.py", line 252, in
    19016 check_for_drawing_change 
    19017 trig.activate_trigger('graphics update', self) 
    19018 File
    19019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19020 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19021 trigger.activate(data) 
    19022 File
    19023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19024 packages/chimerax/core/triggerset.py", line 190, in activate 
    19025 ret = handler.invoke(data, self._remove_bad_handlers) 
    19026 File
    19027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19028 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19029 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19030 File
    19031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19032 packages/chimerax/core/session.py", line 943, in <lambda> 
    19033 logger.report_exception(preface=preface)) 
    19034 File
    19035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19036 packages/chimerax/core/logger.py", line 421, in report_exception 
    19037 elif probably_chimera1_session(exc_info): 
    19038 File
    19039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19040 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19041 etype, evalue, etraceback = exc_info 
    19042 TypeError: cannot unpack non-iterable NoneType object 
    19043  
    19044 TypeError: cannot unpack non-iterable NoneType object 
    19045  
    19046 File
    19047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19048 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19049 etype, evalue, etraceback = exc_info 
    19050  
    19051 See log for complete Python traceback. 
    19052  
    19053 Traceback (most recent call last): 
    19054 File
    19055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19056 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19057 return self._func(self._name, data) 
    19058 File
    19059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19060 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19061 if v.display: 
    19062 File
    19063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19064 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19065 return self._any_displayed_positions and len(self._positions) > 0 
    19066 TypeError: object of type 'NoneType' has no len() 
    19067  
    19068 During handling of the above exception, another exception occurred: 
    19069  
    19070 Traceback (most recent call last): 
    19071 File
    19072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19073 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19074 if not self.draw_new_frame(): 
    19075 File
    19076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19077 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19078 changed = view.check_for_drawing_change() 
    19079 File
    19080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19081 packages/chimerax/core/graphics/view.py", line 252, in
    19082 check_for_drawing_change 
    19083 trig.activate_trigger('graphics update', self) 
    19084 File
    19085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19086 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19087 trigger.activate(data) 
    19088 File
    19089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19090 packages/chimerax/core/triggerset.py", line 190, in activate 
    19091 ret = handler.invoke(data, self._remove_bad_handlers) 
    19092 File
    19093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19094 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19095 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19096 File
    19097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19098 packages/chimerax/core/session.py", line 943, in <lambda> 
    19099 logger.report_exception(preface=preface)) 
    19100 File
    19101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19102 packages/chimerax/core/logger.py", line 421, in report_exception 
    19103 elif probably_chimera1_session(exc_info): 
    19104 File
    19105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19106 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19107 etype, evalue, etraceback = exc_info 
    19108 TypeError: cannot unpack non-iterable NoneType object 
    19109  
    19110 TypeError: cannot unpack non-iterable NoneType object 
    19111  
    19112 File
    19113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19114 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19115 etype, evalue, etraceback = exc_info 
    19116  
    19117 See log for complete Python traceback. 
    19118  
    19119 Traceback (most recent call last): 
    19120 File
    19121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19122 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19123 return self._func(self._name, data) 
    19124 File
    19125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19126 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19127 if v.display: 
    19128 File
    19129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19130 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19131 return self._any_displayed_positions and len(self._positions) > 0 
    19132 TypeError: object of type 'NoneType' has no len() 
    19133  
    19134 During handling of the above exception, another exception occurred: 
    19135  
    19136 Traceback (most recent call last): 
    19137 File
    19138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19139 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19140 if not self.draw_new_frame(): 
    19141 File
    19142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19143 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19144 changed = view.check_for_drawing_change() 
    19145 File
    19146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19147 packages/chimerax/core/graphics/view.py", line 252, in
    19148 check_for_drawing_change 
    19149 trig.activate_trigger('graphics update', self) 
    19150 File
    19151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19152 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19153 trigger.activate(data) 
    19154 File
    19155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19156 packages/chimerax/core/triggerset.py", line 190, in activate 
    19157 ret = handler.invoke(data, self._remove_bad_handlers) 
    19158 File
    19159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19160 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19161 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19162 File
    19163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19164 packages/chimerax/core/session.py", line 943, in <lambda> 
    19165 logger.report_exception(preface=preface)) 
    19166 File
    19167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19168 packages/chimerax/core/logger.py", line 421, in report_exception 
    19169 elif probably_chimera1_session(exc_info): 
    19170 File
    19171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19172 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19173 etype, evalue, etraceback = exc_info 
    19174 TypeError: cannot unpack non-iterable NoneType object 
    19175  
    19176 TypeError: cannot unpack non-iterable NoneType object 
    19177  
    19178 File
    19179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19180 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19181 etype, evalue, etraceback = exc_info 
    19182  
    19183 See log for complete Python traceback. 
    19184  
    19185 Traceback (most recent call last): 
    19186 File
    19187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19188 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19189 return self._func(self._name, data) 
    19190 File
    19191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19192 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19193 if v.display: 
    19194 File
    19195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19196 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19197 return self._any_displayed_positions and len(self._positions) > 0 
    19198 TypeError: object of type 'NoneType' has no len() 
    19199  
    19200 During handling of the above exception, another exception occurred: 
    19201  
    19202 Traceback (most recent call last): 
    19203 File
    19204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19205 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19206 if not self.draw_new_frame(): 
    19207 File
    19208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19209 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19210 changed = view.check_for_drawing_change() 
    19211 File
    19212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19213 packages/chimerax/core/graphics/view.py", line 252, in
    19214 check_for_drawing_change 
    19215 trig.activate_trigger('graphics update', self) 
    19216 File
    19217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19218 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19219 trigger.activate(data) 
    19220 File
    19221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19222 packages/chimerax/core/triggerset.py", line 190, in activate 
    19223 ret = handler.invoke(data, self._remove_bad_handlers) 
    19224 File
    19225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19226 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19227 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19228 File
    19229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19230 packages/chimerax/core/session.py", line 943, in <lambda> 
    19231 logger.report_exception(preface=preface)) 
    19232 File
    19233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19234 packages/chimerax/core/logger.py", line 421, in report_exception 
    19235 elif probably_chimera1_session(exc_info): 
    19236 File
    19237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19238 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19239 etype, evalue, etraceback = exc_info 
    19240 TypeError: cannot unpack non-iterable NoneType object 
    19241  
    19242 TypeError: cannot unpack non-iterable NoneType object 
    19243  
    19244 File
    19245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19246 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19247 etype, evalue, etraceback = exc_info 
    19248  
    19249 See log for complete Python traceback. 
    19250  
    19251 Traceback (most recent call last): 
    19252 File
    19253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19254 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19255 return self._func(self._name, data) 
    19256 File
    19257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19258 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19259 if v.display: 
    19260 File
    19261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19262 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19263 return self._any_displayed_positions and len(self._positions) > 0 
    19264 TypeError: object of type 'NoneType' has no len() 
    19265  
    19266 During handling of the above exception, another exception occurred: 
    19267  
    19268 Traceback (most recent call last): 
    19269 File
    19270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19271 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19272 if not self.draw_new_frame(): 
    19273 File
    19274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19275 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19276 changed = view.check_for_drawing_change() 
    19277 File
    19278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19279 packages/chimerax/core/graphics/view.py", line 252, in
    19280 check_for_drawing_change 
    19281 trig.activate_trigger('graphics update', self) 
    19282 File
    19283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19284 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19285 trigger.activate(data) 
    19286 File
    19287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19288 packages/chimerax/core/triggerset.py", line 190, in activate 
    19289 ret = handler.invoke(data, self._remove_bad_handlers) 
    19290 File
    19291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19292 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19293 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19294 File
    19295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19296 packages/chimerax/core/session.py", line 943, in <lambda> 
    19297 logger.report_exception(preface=preface)) 
    19298 File
    19299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19300 packages/chimerax/core/logger.py", line 421, in report_exception 
    19301 elif probably_chimera1_session(exc_info): 
    19302 File
    19303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19304 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19305 etype, evalue, etraceback = exc_info 
    19306 TypeError: cannot unpack non-iterable NoneType object 
    19307  
    19308 TypeError: cannot unpack non-iterable NoneType object 
    19309  
    19310 File
    19311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19312 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19313 etype, evalue, etraceback = exc_info 
    19314  
    19315 See log for complete Python traceback. 
    19316  
    19317 Traceback (most recent call last): 
    19318 File
    19319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19320 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19321 return self._func(self._name, data) 
    19322 File
    19323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19324 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19325 if v.display: 
    19326 File
    19327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19328 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19329 return self._any_displayed_positions and len(self._positions) > 0 
    19330 TypeError: object of type 'NoneType' has no len() 
    19331  
    19332 During handling of the above exception, another exception occurred: 
    19333  
    19334 Traceback (most recent call last): 
    19335 File
    19336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19337 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19338 if not self.draw_new_frame(): 
    19339 File
    19340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19341 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19342 changed = view.check_for_drawing_change() 
    19343 File
    19344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19345 packages/chimerax/core/graphics/view.py", line 252, in
    19346 check_for_drawing_change 
    19347 trig.activate_trigger('graphics update', self) 
    19348 File
    19349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19350 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19351 trigger.activate(data) 
    19352 File
    19353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19354 packages/chimerax/core/triggerset.py", line 190, in activate 
    19355 ret = handler.invoke(data, self._remove_bad_handlers) 
    19356 File
    19357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19358 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19359 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19360 File
    19361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19362 packages/chimerax/core/session.py", line 943, in <lambda> 
    19363 logger.report_exception(preface=preface)) 
    19364 File
    19365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19366 packages/chimerax/core/logger.py", line 421, in report_exception 
    19367 elif probably_chimera1_session(exc_info): 
    19368 File
    19369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19370 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19371 etype, evalue, etraceback = exc_info 
    19372 TypeError: cannot unpack non-iterable NoneType object 
    19373  
    19374 TypeError: cannot unpack non-iterable NoneType object 
    19375  
    19376 File
    19377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19378 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19379 etype, evalue, etraceback = exc_info 
    19380  
    19381 See log for complete Python traceback. 
    19382  
    19383 Traceback (most recent call last): 
    19384 File
    19385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19386 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19387 return self._func(self._name, data) 
    19388 File
    19389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19390 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19391 if v.display: 
    19392 File
    19393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19394 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19395 return self._any_displayed_positions and len(self._positions) > 0 
    19396 TypeError: object of type 'NoneType' has no len() 
    19397  
    19398 During handling of the above exception, another exception occurred: 
    19399  
    19400 Traceback (most recent call last): 
    19401 File
    19402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19403 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19404 if not self.draw_new_frame(): 
    19405 File
    19406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19407 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19408 changed = view.check_for_drawing_change() 
    19409 File
    19410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19411 packages/chimerax/core/graphics/view.py", line 252, in
    19412 check_for_drawing_change 
    19413 trig.activate_trigger('graphics update', self) 
    19414 File
    19415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19416 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19417 trigger.activate(data) 
    19418 File
    19419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19420 packages/chimerax/core/triggerset.py", line 190, in activate 
    19421 ret = handler.invoke(data, self._remove_bad_handlers) 
    19422 File
    19423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19424 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19425 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19426 File
    19427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19428 packages/chimerax/core/session.py", line 943, in <lambda> 
    19429 logger.report_exception(preface=preface)) 
    19430 File
    19431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19432 packages/chimerax/core/logger.py", line 421, in report_exception 
    19433 elif probably_chimera1_session(exc_info): 
    19434 File
    19435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19436 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19437 etype, evalue, etraceback = exc_info 
    19438 TypeError: cannot unpack non-iterable NoneType object 
    19439  
    19440 TypeError: cannot unpack non-iterable NoneType object 
    19441  
    19442 File
    19443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19444 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19445 etype, evalue, etraceback = exc_info 
    19446  
    19447 See log for complete Python traceback. 
    19448  
    19449 Traceback (most recent call last): 
    19450 File
    19451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19452 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19453 return self._func(self._name, data) 
    19454 File
    19455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19456 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19457 if v.display: 
    19458 File
    19459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19460 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19461 return self._any_displayed_positions and len(self._positions) > 0 
    19462 TypeError: object of type 'NoneType' has no len() 
    19463  
    19464 During handling of the above exception, another exception occurred: 
    19465  
    19466 Traceback (most recent call last): 
    19467 File
    19468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19469 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19470 if not self.draw_new_frame(): 
    19471 File
    19472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19473 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19474 changed = view.check_for_drawing_change() 
    19475 File
    19476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19477 packages/chimerax/core/graphics/view.py", line 252, in
    19478 check_for_drawing_change 
    19479 trig.activate_trigger('graphics update', self) 
    19480 File
    19481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19482 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19483 trigger.activate(data) 
    19484 File
    19485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19486 packages/chimerax/core/triggerset.py", line 190, in activate 
    19487 ret = handler.invoke(data, self._remove_bad_handlers) 
    19488 File
    19489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19490 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19491 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19492 File
    19493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19494 packages/chimerax/core/session.py", line 943, in <lambda> 
    19495 logger.report_exception(preface=preface)) 
    19496 File
    19497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19498 packages/chimerax/core/logger.py", line 421, in report_exception 
    19499 elif probably_chimera1_session(exc_info): 
    19500 File
    19501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19502 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19503 etype, evalue, etraceback = exc_info 
    19504 TypeError: cannot unpack non-iterable NoneType object 
    19505  
    19506 TypeError: cannot unpack non-iterable NoneType object 
    19507  
    19508 File
    19509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19510 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19511 etype, evalue, etraceback = exc_info 
    19512  
    19513 See log for complete Python traceback. 
    19514  
    19515 Traceback (most recent call last): 
    19516 File
    19517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19519 return self._func(self._name, data) 
    19520 File
    19521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19522 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19523 if v.display: 
    19524 File
    19525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19526 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19527 return self._any_displayed_positions and len(self._positions) > 0 
    19528 TypeError: object of type 'NoneType' has no len() 
    19529  
    19530 During handling of the above exception, another exception occurred: 
    19531  
    19532 Traceback (most recent call last): 
    19533 File
    19534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19535 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19536 if not self.draw_new_frame(): 
    19537 File
    19538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19539 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19540 changed = view.check_for_drawing_change() 
    19541 File
    19542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19543 packages/chimerax/core/graphics/view.py", line 252, in
    19544 check_for_drawing_change 
    19545 trig.activate_trigger('graphics update', self) 
    19546 File
    19547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19548 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19549 trigger.activate(data) 
    19550 File
    19551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19552 packages/chimerax/core/triggerset.py", line 190, in activate 
    19553 ret = handler.invoke(data, self._remove_bad_handlers) 
    19554 File
    19555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19556 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19557 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19558 File
    19559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19560 packages/chimerax/core/session.py", line 943, in <lambda> 
    19561 logger.report_exception(preface=preface)) 
    19562 File
    19563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19564 packages/chimerax/core/logger.py", line 421, in report_exception 
    19565 elif probably_chimera1_session(exc_info): 
    19566 File
    19567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19568 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19569 etype, evalue, etraceback = exc_info 
    19570 TypeError: cannot unpack non-iterable NoneType object 
    19571  
    19572 TypeError: cannot unpack non-iterable NoneType object 
    19573  
    19574 File
    19575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19576 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19577 etype, evalue, etraceback = exc_info 
    19578  
    19579 See log for complete Python traceback. 
    19580  
    19581 Traceback (most recent call last): 
    19582 File
    19583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19584 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19585 return self._func(self._name, data) 
    19586 File
    19587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19588 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19589 if v.display: 
    19590 File
    19591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19592 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19593 return self._any_displayed_positions and len(self._positions) > 0 
    19594 TypeError: object of type 'NoneType' has no len() 
    19595  
    19596 During handling of the above exception, another exception occurred: 
    19597  
    19598 Traceback (most recent call last): 
    19599 File
    19600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19601 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19602 if not self.draw_new_frame(): 
    19603 File
    19604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19605 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19606 changed = view.check_for_drawing_change() 
    19607 File
    19608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19609 packages/chimerax/core/graphics/view.py", line 252, in
    19610 check_for_drawing_change 
    19611 trig.activate_trigger('graphics update', self) 
    19612 File
    19613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19614 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19615 trigger.activate(data) 
    19616 File
    19617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19618 packages/chimerax/core/triggerset.py", line 190, in activate 
    19619 ret = handler.invoke(data, self._remove_bad_handlers) 
    19620 File
    19621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19622 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19623 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19624 File
    19625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19626 packages/chimerax/core/session.py", line 943, in <lambda> 
    19627 logger.report_exception(preface=preface)) 
    19628 File
    19629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19630 packages/chimerax/core/logger.py", line 421, in report_exception 
    19631 elif probably_chimera1_session(exc_info): 
    19632 File
    19633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19634 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19635 etype, evalue, etraceback = exc_info 
    19636 TypeError: cannot unpack non-iterable NoneType object 
    19637  
    19638 TypeError: cannot unpack non-iterable NoneType object 
    19639  
    19640 File
    19641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19642 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19643 etype, evalue, etraceback = exc_info 
    19644  
    19645 See log for complete Python traceback. 
    19646  
    19647 Traceback (most recent call last): 
    19648 File
    19649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19650 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19651 return self._func(self._name, data) 
    19652 File
    19653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19654 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19655 if v.display: 
    19656 File
    19657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19658 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19659 return self._any_displayed_positions and len(self._positions) > 0 
    19660 TypeError: object of type 'NoneType' has no len() 
    19661  
    19662 During handling of the above exception, another exception occurred: 
    19663  
    19664 Traceback (most recent call last): 
    19665 File
    19666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19667 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19668 if not self.draw_new_frame(): 
    19669 File
    19670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19671 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19672 changed = view.check_for_drawing_change() 
    19673 File
    19674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19675 packages/chimerax/core/graphics/view.py", line 252, in
    19676 check_for_drawing_change 
    19677 trig.activate_trigger('graphics update', self) 
    19678 File
    19679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19680 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19681 trigger.activate(data) 
    19682 File
    19683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19684 packages/chimerax/core/triggerset.py", line 190, in activate 
    19685 ret = handler.invoke(data, self._remove_bad_handlers) 
    19686 File
    19687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19688 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19689 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19690 File
    19691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19692 packages/chimerax/core/session.py", line 943, in <lambda> 
    19693 logger.report_exception(preface=preface)) 
    19694 File
    19695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19696 packages/chimerax/core/logger.py", line 421, in report_exception 
    19697 elif probably_chimera1_session(exc_info): 
    19698 File
    19699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19700 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19701 etype, evalue, etraceback = exc_info 
    19702 TypeError: cannot unpack non-iterable NoneType object 
    19703  
    19704 TypeError: cannot unpack non-iterable NoneType object 
    19705  
    19706 File
    19707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19708 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19709 etype, evalue, etraceback = exc_info 
    19710  
    19711 See log for complete Python traceback. 
    19712  
    19713 Traceback (most recent call last): 
    19714 File
    19715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19716 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19717 return self._func(self._name, data) 
    19718 File
    19719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19720 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19721 if v.display: 
    19722 File
    19723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19724 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19725 return self._any_displayed_positions and len(self._positions) > 0 
    19726 TypeError: object of type 'NoneType' has no len() 
    19727  
    19728 During handling of the above exception, another exception occurred: 
    19729  
    19730 Traceback (most recent call last): 
    19731 File
    19732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19733 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19734 if not self.draw_new_frame(): 
    19735 File
    19736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19737 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19738 changed = view.check_for_drawing_change() 
    19739 File
    19740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19741 packages/chimerax/core/graphics/view.py", line 252, in
    19742 check_for_drawing_change 
    19743 trig.activate_trigger('graphics update', self) 
    19744 File
    19745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19746 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19747 trigger.activate(data) 
    19748 File
    19749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19750 packages/chimerax/core/triggerset.py", line 190, in activate 
    19751 ret = handler.invoke(data, self._remove_bad_handlers) 
    19752 File
    19753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19754 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19755 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19756 File
    19757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19758 packages/chimerax/core/session.py", line 943, in <lambda> 
    19759 logger.report_exception(preface=preface)) 
    19760 File
    19761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19762 packages/chimerax/core/logger.py", line 421, in report_exception 
    19763 elif probably_chimera1_session(exc_info): 
    19764 File
    19765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19766 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19767 etype, evalue, etraceback = exc_info 
    19768 TypeError: cannot unpack non-iterable NoneType object 
    19769  
    19770 TypeError: cannot unpack non-iterable NoneType object 
    19771  
    19772 File
    19773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19774 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19775 etype, evalue, etraceback = exc_info 
    19776  
    19777 See log for complete Python traceback. 
    19778  
    19779 Traceback (most recent call last): 
    19780 File
    19781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19782 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19783 return self._func(self._name, data) 
    19784 File
    19785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19786 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19787 if v.display: 
    19788 File
    19789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19790 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19791 return self._any_displayed_positions and len(self._positions) > 0 
    19792 TypeError: object of type 'NoneType' has no len() 
    19793  
    19794 During handling of the above exception, another exception occurred: 
    19795  
    19796 Traceback (most recent call last): 
    19797 File
    19798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19799 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19800 if not self.draw_new_frame(): 
    19801 File
    19802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19803 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19804 changed = view.check_for_drawing_change() 
    19805 File
    19806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19807 packages/chimerax/core/graphics/view.py", line 252, in
    19808 check_for_drawing_change 
    19809 trig.activate_trigger('graphics update', self) 
    19810 File
    19811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19812 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19813 trigger.activate(data) 
    19814 File
    19815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19816 packages/chimerax/core/triggerset.py", line 190, in activate 
    19817 ret = handler.invoke(data, self._remove_bad_handlers) 
    19818 File
    19819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19820 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19821 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19822 File
    19823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19824 packages/chimerax/core/session.py", line 943, in <lambda> 
    19825 logger.report_exception(preface=preface)) 
    19826 File
    19827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19828 packages/chimerax/core/logger.py", line 421, in report_exception 
    19829 elif probably_chimera1_session(exc_info): 
    19830 File
    19831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19832 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19833 etype, evalue, etraceback = exc_info 
    19834 TypeError: cannot unpack non-iterable NoneType object 
    19835  
    19836 TypeError: cannot unpack non-iterable NoneType object 
    19837  
    19838 File
    19839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19840 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19841 etype, evalue, etraceback = exc_info 
    19842  
    19843 See log for complete Python traceback. 
    19844  
    19845 Traceback (most recent call last): 
    19846 File
    19847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19848 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19849 return self._func(self._name, data) 
    19850 File
    19851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19852 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19853 if v.display: 
    19854 File
    19855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19856 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19857 return self._any_displayed_positions and len(self._positions) > 0 
    19858 TypeError: object of type 'NoneType' has no len() 
    19859  
    19860 During handling of the above exception, another exception occurred: 
    19861  
    19862 Traceback (most recent call last): 
    19863 File
    19864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19865 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19866 if not self.draw_new_frame(): 
    19867 File
    19868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19869 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19870 changed = view.check_for_drawing_change() 
    19871 File
    19872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19873 packages/chimerax/core/graphics/view.py", line 252, in
    19874 check_for_drawing_change 
    19875 trig.activate_trigger('graphics update', self) 
    19876 File
    19877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19878 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19879 trigger.activate(data) 
    19880 File
    19881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19882 packages/chimerax/core/triggerset.py", line 190, in activate 
    19883 ret = handler.invoke(data, self._remove_bad_handlers) 
    19884 File
    19885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19886 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19887 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19888 File
    19889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19890 packages/chimerax/core/session.py", line 943, in <lambda> 
    19891 logger.report_exception(preface=preface)) 
    19892 File
    19893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19894 packages/chimerax/core/logger.py", line 421, in report_exception 
    19895 elif probably_chimera1_session(exc_info): 
    19896 File
    19897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19898 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19899 etype, evalue, etraceback = exc_info 
    19900 TypeError: cannot unpack non-iterable NoneType object 
    19901  
    19902 TypeError: cannot unpack non-iterable NoneType object 
    19903  
    19904 File
    19905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19906 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19907 etype, evalue, etraceback = exc_info 
    19908  
    19909 See log for complete Python traceback. 
    19910  
    19911 Traceback (most recent call last): 
    19912 File
    19913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19914 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19915 return self._func(self._name, data) 
    19916 File
    19917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19918 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19919 if v.display: 
    19920 File
    19921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19922 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19923 return self._any_displayed_positions and len(self._positions) > 0 
    19924 TypeError: object of type 'NoneType' has no len() 
    19925  
    19926 During handling of the above exception, another exception occurred: 
    19927  
    19928 Traceback (most recent call last): 
    19929 File
    19930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19931 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19932 if not self.draw_new_frame(): 
    19933 File
    19934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19935 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    19936 changed = view.check_for_drawing_change() 
    19937 File
    19938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19939 packages/chimerax/core/graphics/view.py", line 252, in
    19940 check_for_drawing_change 
    19941 trig.activate_trigger('graphics update', self) 
    19942 File
    19943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19944 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    19945 trigger.activate(data) 
    19946 File
    19947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19948 packages/chimerax/core/triggerset.py", line 190, in activate 
    19949 ret = handler.invoke(data, self._remove_bad_handlers) 
    19950 File
    19951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19952 packages/chimerax/core/triggerset.py", line 132, in invoke 
    19953 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    19954 File
    19955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19956 packages/chimerax/core/session.py", line 943, in <lambda> 
    19957 logger.report_exception(preface=preface)) 
    19958 File
    19959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19960 packages/chimerax/core/logger.py", line 421, in report_exception 
    19961 elif probably_chimera1_session(exc_info): 
    19962 File
    19963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19964 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19965 etype, evalue, etraceback = exc_info 
    19966 TypeError: cannot unpack non-iterable NoneType object 
    19967  
    19968 TypeError: cannot unpack non-iterable NoneType object 
    19969  
    19970 File
    19971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19972 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    19973 etype, evalue, etraceback = exc_info 
    19974  
    19975 See log for complete Python traceback. 
    19976  
    19977 Traceback (most recent call last): 
    19978 File
    19979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19980 packages/chimerax/core/triggerset.py", line 130, in invoke 
    19981 return self._func(self._name, data) 
    19982 File
    19983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19984 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    19985 if v.display: 
    19986 File
    19987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19988 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    19989 return self._any_displayed_positions and len(self._positions) > 0 
    19990 TypeError: object of type 'NoneType' has no len() 
    19991  
    19992 During handling of the above exception, another exception occurred: 
    19993  
    19994 Traceback (most recent call last): 
    19995 File
    19996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    19997 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    19998 if not self.draw_new_frame(): 
    19999 File
    20000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20001 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20002 changed = view.check_for_drawing_change() 
    20003 File
    20004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20005 packages/chimerax/core/graphics/view.py", line 252, in
    20006 check_for_drawing_change 
    20007 trig.activate_trigger('graphics update', self) 
    20008 File
    20009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20010 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20011 trigger.activate(data) 
    20012 File
    20013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20014 packages/chimerax/core/triggerset.py", line 190, in activate 
    20015 ret = handler.invoke(data, self._remove_bad_handlers) 
    20016 File
    20017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20018 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20019 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20020 File
    20021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20022 packages/chimerax/core/session.py", line 943, in <lambda> 
    20023 logger.report_exception(preface=preface)) 
    20024 File
    20025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20026 packages/chimerax/core/logger.py", line 421, in report_exception 
    20027 elif probably_chimera1_session(exc_info): 
    20028 File
    20029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20030 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20031 etype, evalue, etraceback = exc_info 
    20032 TypeError: cannot unpack non-iterable NoneType object 
    20033  
    20034 TypeError: cannot unpack non-iterable NoneType object 
    20035  
    20036 File
    20037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20038 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20039 etype, evalue, etraceback = exc_info 
    20040  
    20041 See log for complete Python traceback. 
    20042  
    20043 Traceback (most recent call last): 
    20044 File
    20045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20046 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20047 return self._func(self._name, data) 
    20048 File
    20049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20050 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20051 if v.display: 
    20052 File
    20053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20054 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20055 return self._any_displayed_positions and len(self._positions) > 0 
    20056 TypeError: object of type 'NoneType' has no len() 
    20057  
    20058 During handling of the above exception, another exception occurred: 
    20059  
    20060 Traceback (most recent call last): 
    20061 File
    20062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20063 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20064 if not self.draw_new_frame(): 
    20065 File
    20066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20067 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20068 changed = view.check_for_drawing_change() 
    20069 File
    20070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20071 packages/chimerax/core/graphics/view.py", line 252, in
    20072 check_for_drawing_change 
    20073 trig.activate_trigger('graphics update', self) 
    20074 File
    20075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20076 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20077 trigger.activate(data) 
    20078 File
    20079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20080 packages/chimerax/core/triggerset.py", line 190, in activate 
    20081 ret = handler.invoke(data, self._remove_bad_handlers) 
    20082 File
    20083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20084 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20085 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20086 File
    20087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20088 packages/chimerax/core/session.py", line 943, in <lambda> 
    20089 logger.report_exception(preface=preface)) 
    20090 File
    20091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20092 packages/chimerax/core/logger.py", line 421, in report_exception 
    20093 elif probably_chimera1_session(exc_info): 
    20094 File
    20095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20096 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20097 etype, evalue, etraceback = exc_info 
    20098 TypeError: cannot unpack non-iterable NoneType object 
    20099  
    20100 TypeError: cannot unpack non-iterable NoneType object 
    20101  
    20102 File
    20103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20104 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20105 etype, evalue, etraceback = exc_info 
    20106  
    20107 See log for complete Python traceback. 
    20108  
    20109 Traceback (most recent call last): 
    20110 File
    20111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20112 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20113 return self._func(self._name, data) 
    20114 File
    20115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20116 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20117 if v.display: 
    20118 File
    20119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20120 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20121 return self._any_displayed_positions and len(self._positions) > 0 
    20122 TypeError: object of type 'NoneType' has no len() 
    20123  
    20124 During handling of the above exception, another exception occurred: 
    20125  
    20126 Traceback (most recent call last): 
    20127 File
    20128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20129 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20130 if not self.draw_new_frame(): 
    20131 File
    20132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20133 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20134 changed = view.check_for_drawing_change() 
    20135 File
    20136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20137 packages/chimerax/core/graphics/view.py", line 252, in
    20138 check_for_drawing_change 
    20139 trig.activate_trigger('graphics update', self) 
    20140 File
    20141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20142 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20143 trigger.activate(data) 
    20144 File
    20145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20146 packages/chimerax/core/triggerset.py", line 190, in activate 
    20147 ret = handler.invoke(data, self._remove_bad_handlers) 
    20148 File
    20149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20150 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20151 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20152 File
    20153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20154 packages/chimerax/core/session.py", line 943, in <lambda> 
    20155 logger.report_exception(preface=preface)) 
    20156 File
    20157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20158 packages/chimerax/core/logger.py", line 421, in report_exception 
    20159 elif probably_chimera1_session(exc_info): 
    20160 File
    20161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20162 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20163 etype, evalue, etraceback = exc_info 
    20164 TypeError: cannot unpack non-iterable NoneType object 
    20165  
    20166 TypeError: cannot unpack non-iterable NoneType object 
    20167  
    20168 File
    20169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20170 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20171 etype, evalue, etraceback = exc_info 
    20172  
    20173 See log for complete Python traceback. 
    20174  
    20175 Traceback (most recent call last): 
    20176 File
    20177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20178 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20179 return self._func(self._name, data) 
    20180 File
    20181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20182 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20183 if v.display: 
    20184 File
    20185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20186 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20187 return self._any_displayed_positions and len(self._positions) > 0 
    20188 TypeError: object of type 'NoneType' has no len() 
    20189  
    20190 During handling of the above exception, another exception occurred: 
    20191  
    20192 Traceback (most recent call last): 
    20193 File
    20194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20195 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20196 if not self.draw_new_frame(): 
    20197 File
    20198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20199 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20200 changed = view.check_for_drawing_change() 
    20201 File
    20202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20203 packages/chimerax/core/graphics/view.py", line 252, in
    20204 check_for_drawing_change 
    20205 trig.activate_trigger('graphics update', self) 
    20206 File
    20207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20208 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20209 trigger.activate(data) 
    20210 File
    20211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20212 packages/chimerax/core/triggerset.py", line 190, in activate 
    20213 ret = handler.invoke(data, self._remove_bad_handlers) 
    20214 File
    20215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20216 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20217 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20218 File
    20219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20220 packages/chimerax/core/session.py", line 943, in <lambda> 
    20221 logger.report_exception(preface=preface)) 
    20222 File
    20223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20224 packages/chimerax/core/logger.py", line 421, in report_exception 
    20225 elif probably_chimera1_session(exc_info): 
    20226 File
    20227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20228 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20229 etype, evalue, etraceback = exc_info 
    20230 TypeError: cannot unpack non-iterable NoneType object 
    20231  
    20232 TypeError: cannot unpack non-iterable NoneType object 
    20233  
    20234 File
    20235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20236 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20237 etype, evalue, etraceback = exc_info 
    20238  
    20239 See log for complete Python traceback. 
    20240  
    20241 Traceback (most recent call last): 
    20242 File
    20243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20244 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20245 return self._func(self._name, data) 
    20246 File
    20247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20248 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20249 if v.display: 
    20250 File
    20251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20252 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20253 return self._any_displayed_positions and len(self._positions) > 0 
    20254 TypeError: object of type 'NoneType' has no len() 
    20255  
    20256 During handling of the above exception, another exception occurred: 
    20257  
    20258 Traceback (most recent call last): 
    20259 File
    20260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20261 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20262 if not self.draw_new_frame(): 
    20263 File
    20264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20265 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20266 changed = view.check_for_drawing_change() 
    20267 File
    20268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20269 packages/chimerax/core/graphics/view.py", line 252, in
    20270 check_for_drawing_change 
    20271 trig.activate_trigger('graphics update', self) 
    20272 File
    20273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20274 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20275 trigger.activate(data) 
    20276 File
    20277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20278 packages/chimerax/core/triggerset.py", line 190, in activate 
    20279 ret = handler.invoke(data, self._remove_bad_handlers) 
    20280 File
    20281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20282 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20283 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20284 File
    20285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20286 packages/chimerax/core/session.py", line 943, in <lambda> 
    20287 logger.report_exception(preface=preface)) 
    20288 File
    20289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20290 packages/chimerax/core/logger.py", line 421, in report_exception 
    20291 elif probably_chimera1_session(exc_info): 
    20292 File
    20293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20294 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20295 etype, evalue, etraceback = exc_info 
    20296 TypeError: cannot unpack non-iterable NoneType object 
    20297  
    20298 TypeError: cannot unpack non-iterable NoneType object 
    20299  
    20300 File
    20301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20302 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20303 etype, evalue, etraceback = exc_info 
    20304  
    20305 See log for complete Python traceback. 
    20306  
    20307 Traceback (most recent call last): 
    20308 File
    20309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20310 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20311 return self._func(self._name, data) 
    20312 File
    20313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20314 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20315 if v.display: 
    20316 File
    20317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20318 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20319 return self._any_displayed_positions and len(self._positions) > 0 
    20320 TypeError: object of type 'NoneType' has no len() 
    20321  
    20322 During handling of the above exception, another exception occurred: 
    20323  
    20324 Traceback (most recent call last): 
    20325 File
    20326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20327 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20328 if not self.draw_new_frame(): 
    20329 File
    20330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20331 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20332 changed = view.check_for_drawing_change() 
    20333 File
    20334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20335 packages/chimerax/core/graphics/view.py", line 252, in
    20336 check_for_drawing_change 
    20337 trig.activate_trigger('graphics update', self) 
    20338 File
    20339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20340 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20341 trigger.activate(data) 
    20342 File
    20343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20344 packages/chimerax/core/triggerset.py", line 190, in activate 
    20345 ret = handler.invoke(data, self._remove_bad_handlers) 
    20346 File
    20347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20348 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20349 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20350 File
    20351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20352 packages/chimerax/core/session.py", line 943, in <lambda> 
    20353 logger.report_exception(preface=preface)) 
    20354 File
    20355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20356 packages/chimerax/core/logger.py", line 421, in report_exception 
    20357 elif probably_chimera1_session(exc_info): 
    20358 File
    20359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20360 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20361 etype, evalue, etraceback = exc_info 
    20362 TypeError: cannot unpack non-iterable NoneType object 
    20363  
    20364 TypeError: cannot unpack non-iterable NoneType object 
    20365  
    20366 File
    20367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20368 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20369 etype, evalue, etraceback = exc_info 
    20370  
    20371 See log for complete Python traceback. 
    20372  
    20373 Traceback (most recent call last): 
    20374 File
    20375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20376 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20377 return self._func(self._name, data) 
    20378 File
    20379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20380 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20381 if v.display: 
    20382 File
    20383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20384 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20385 return self._any_displayed_positions and len(self._positions) > 0 
    20386 TypeError: object of type 'NoneType' has no len() 
    20387  
    20388 During handling of the above exception, another exception occurred: 
    20389  
    20390 Traceback (most recent call last): 
    20391 File
    20392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20393 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20394 if not self.draw_new_frame(): 
    20395 File
    20396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20397 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20398 changed = view.check_for_drawing_change() 
    20399 File
    20400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20401 packages/chimerax/core/graphics/view.py", line 252, in
    20402 check_for_drawing_change 
    20403 trig.activate_trigger('graphics update', self) 
    20404 File
    20405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20406 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20407 trigger.activate(data) 
    20408 File
    20409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20410 packages/chimerax/core/triggerset.py", line 190, in activate 
    20411 ret = handler.invoke(data, self._remove_bad_handlers) 
    20412 File
    20413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20414 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20415 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20416 File
    20417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20418 packages/chimerax/core/session.py", line 943, in <lambda> 
    20419 logger.report_exception(preface=preface)) 
    20420 File
    20421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20422 packages/chimerax/core/logger.py", line 421, in report_exception 
    20423 elif probably_chimera1_session(exc_info): 
    20424 File
    20425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20426 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20427 etype, evalue, etraceback = exc_info 
    20428 TypeError: cannot unpack non-iterable NoneType object 
    20429  
    20430 TypeError: cannot unpack non-iterable NoneType object 
    20431  
    20432 File
    20433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20434 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20435 etype, evalue, etraceback = exc_info 
    20436  
    20437 See log for complete Python traceback. 
    20438  
    20439 Traceback (most recent call last): 
    20440 File
    20441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20442 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20443 return self._func(self._name, data) 
    20444 File
    20445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20446 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20447 if v.display: 
    20448 File
    20449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20450 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20451 return self._any_displayed_positions and len(self._positions) > 0 
    20452 TypeError: object of type 'NoneType' has no len() 
    20453  
    20454 During handling of the above exception, another exception occurred: 
    20455  
    20456 Traceback (most recent call last): 
    20457 File
    20458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20459 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20460 if not self.draw_new_frame(): 
    20461 File
    20462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20463 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20464 changed = view.check_for_drawing_change() 
    20465 File
    20466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20467 packages/chimerax/core/graphics/view.py", line 252, in
    20468 check_for_drawing_change 
    20469 trig.activate_trigger('graphics update', self) 
    20470 File
    20471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20472 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20473 trigger.activate(data) 
    20474 File
    20475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20476 packages/chimerax/core/triggerset.py", line 190, in activate 
    20477 ret = handler.invoke(data, self._remove_bad_handlers) 
    20478 File
    20479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20480 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20481 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20482 File
    20483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20484 packages/chimerax/core/session.py", line 943, in <lambda> 
    20485 logger.report_exception(preface=preface)) 
    20486 File
    20487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20488 packages/chimerax/core/logger.py", line 421, in report_exception 
    20489 elif probably_chimera1_session(exc_info): 
    20490 File
    20491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20492 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20493 etype, evalue, etraceback = exc_info 
    20494 TypeError: cannot unpack non-iterable NoneType object 
    20495  
    20496 TypeError: cannot unpack non-iterable NoneType object 
    20497  
    20498 File
    20499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20500 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20501 etype, evalue, etraceback = exc_info 
    20502  
    20503 See log for complete Python traceback. 
    20504  
    20505 Traceback (most recent call last): 
    20506 File
    20507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20508 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20509 return self._func(self._name, data) 
    20510 File
    20511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20512 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20513 if v.display: 
    20514 File
    20515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20516 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20517 return self._any_displayed_positions and len(self._positions) > 0 
    20518 TypeError: object of type 'NoneType' has no len() 
    20519  
    20520 During handling of the above exception, another exception occurred: 
    20521  
    20522 Traceback (most recent call last): 
    20523 File
    20524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20525 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20526 if not self.draw_new_frame(): 
    20527 File
    20528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20529 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20530 changed = view.check_for_drawing_change() 
    20531 File
    20532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20533 packages/chimerax/core/graphics/view.py", line 252, in
    20534 check_for_drawing_change 
    20535 trig.activate_trigger('graphics update', self) 
    20536 File
    20537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20538 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20539 trigger.activate(data) 
    20540 File
    20541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20542 packages/chimerax/core/triggerset.py", line 190, in activate 
    20543 ret = handler.invoke(data, self._remove_bad_handlers) 
    20544 File
    20545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20546 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20547 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20548 File
    20549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20550 packages/chimerax/core/session.py", line 943, in <lambda> 
    20551 logger.report_exception(preface=preface)) 
    20552 File
    20553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20554 packages/chimerax/core/logger.py", line 421, in report_exception 
    20555 elif probably_chimera1_session(exc_info): 
    20556 File
    20557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20558 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20559 etype, evalue, etraceback = exc_info 
    20560 TypeError: cannot unpack non-iterable NoneType object 
    20561  
    20562 TypeError: cannot unpack non-iterable NoneType object 
    20563  
    20564 File
    20565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20566 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20567 etype, evalue, etraceback = exc_info 
    20568  
    20569 See log for complete Python traceback. 
    20570  
    20571 Traceback (most recent call last): 
    20572 File
    20573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20574 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20575 return self._func(self._name, data) 
    20576 File
    20577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20578 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20579 if v.display: 
    20580 File
    20581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20582 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20583 return self._any_displayed_positions and len(self._positions) > 0 
    20584 TypeError: object of type 'NoneType' has no len() 
    20585  
    20586 During handling of the above exception, another exception occurred: 
    20587  
    20588 Traceback (most recent call last): 
    20589 File
    20590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20591 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20592 if not self.draw_new_frame(): 
    20593 File
    20594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20595 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20596 changed = view.check_for_drawing_change() 
    20597 File
    20598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20599 packages/chimerax/core/graphics/view.py", line 252, in
    20600 check_for_drawing_change 
    20601 trig.activate_trigger('graphics update', self) 
    20602 File
    20603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20604 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20605 trigger.activate(data) 
    20606 File
    20607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20608 packages/chimerax/core/triggerset.py", line 190, in activate 
    20609 ret = handler.invoke(data, self._remove_bad_handlers) 
    20610 File
    20611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20612 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20613 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20614 File
    20615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20616 packages/chimerax/core/session.py", line 943, in <lambda> 
    20617 logger.report_exception(preface=preface)) 
    20618 File
    20619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20620 packages/chimerax/core/logger.py", line 421, in report_exception 
    20621 elif probably_chimera1_session(exc_info): 
    20622 File
    20623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20624 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20625 etype, evalue, etraceback = exc_info 
    20626 TypeError: cannot unpack non-iterable NoneType object 
    20627  
    20628 TypeError: cannot unpack non-iterable NoneType object 
    20629  
    20630 File
    20631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20632 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20633 etype, evalue, etraceback = exc_info 
    20634  
    20635 See log for complete Python traceback. 
    20636  
    20637 Traceback (most recent call last): 
    20638 File
    20639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20640 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20641 return self._func(self._name, data) 
    20642 File
    20643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20644 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20645 if v.display: 
    20646 File
    20647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20648 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20649 return self._any_displayed_positions and len(self._positions) > 0 
    20650 TypeError: object of type 'NoneType' has no len() 
    20651  
    20652 During handling of the above exception, another exception occurred: 
    20653  
    20654 Traceback (most recent call last): 
    20655 File
    20656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20657 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20658 if not self.draw_new_frame(): 
    20659 File
    20660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20661 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20662 changed = view.check_for_drawing_change() 
    20663 File
    20664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20665 packages/chimerax/core/graphics/view.py", line 252, in
    20666 check_for_drawing_change 
    20667 trig.activate_trigger('graphics update', self) 
    20668 File
    20669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20670 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20671 trigger.activate(data) 
    20672 File
    20673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20674 packages/chimerax/core/triggerset.py", line 190, in activate 
    20675 ret = handler.invoke(data, self._remove_bad_handlers) 
    20676 File
    20677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20678 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20679 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20680 File
    20681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20682 packages/chimerax/core/session.py", line 943, in <lambda> 
    20683 logger.report_exception(preface=preface)) 
    20684 File
    20685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20686 packages/chimerax/core/logger.py", line 421, in report_exception 
    20687 elif probably_chimera1_session(exc_info): 
    20688 File
    20689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20690 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20691 etype, evalue, etraceback = exc_info 
    20692 TypeError: cannot unpack non-iterable NoneType object 
    20693  
    20694 TypeError: cannot unpack non-iterable NoneType object 
    20695  
    20696 File
    20697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20698 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20699 etype, evalue, etraceback = exc_info 
    20700  
    20701 See log for complete Python traceback. 
    20702  
    20703 Traceback (most recent call last): 
    20704 File
    20705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20706 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20707 return self._func(self._name, data) 
    20708 File
    20709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20710 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20711 if v.display: 
    20712 File
    20713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20714 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20715 return self._any_displayed_positions and len(self._positions) > 0 
    20716 TypeError: object of type 'NoneType' has no len() 
    20717  
    20718 During handling of the above exception, another exception occurred: 
    20719  
    20720 Traceback (most recent call last): 
    20721 File
    20722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20723 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20724 if not self.draw_new_frame(): 
    20725 File
    20726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20727 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20728 changed = view.check_for_drawing_change() 
    20729 File
    20730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20731 packages/chimerax/core/graphics/view.py", line 252, in
    20732 check_for_drawing_change 
    20733 trig.activate_trigger('graphics update', self) 
    20734 File
    20735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20736 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20737 trigger.activate(data) 
    20738 File
    20739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20740 packages/chimerax/core/triggerset.py", line 190, in activate 
    20741 ret = handler.invoke(data, self._remove_bad_handlers) 
    20742 File
    20743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20744 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20745 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20746 File
    20747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20748 packages/chimerax/core/session.py", line 943, in <lambda> 
    20749 logger.report_exception(preface=preface)) 
    20750 File
    20751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20752 packages/chimerax/core/logger.py", line 421, in report_exception 
    20753 elif probably_chimera1_session(exc_info): 
    20754 File
    20755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20756 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20757 etype, evalue, etraceback = exc_info 
    20758 TypeError: cannot unpack non-iterable NoneType object 
    20759  
    20760 TypeError: cannot unpack non-iterable NoneType object 
    20761  
    20762 File
    20763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20764 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20765 etype, evalue, etraceback = exc_info 
    20766  
    20767 See log for complete Python traceback. 
    20768  
    20769 Traceback (most recent call last): 
    20770 File
    20771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20772 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20773 return self._func(self._name, data) 
    20774 File
    20775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20776 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20777 if v.display: 
    20778 File
    20779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20780 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20781 return self._any_displayed_positions and len(self._positions) > 0 
    20782 TypeError: object of type 'NoneType' has no len() 
    20783  
    20784 During handling of the above exception, another exception occurred: 
    20785  
    20786 Traceback (most recent call last): 
    20787 File
    20788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20789 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20790 if not self.draw_new_frame(): 
    20791 File
    20792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20793 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20794 changed = view.check_for_drawing_change() 
    20795 File
    20796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20797 packages/chimerax/core/graphics/view.py", line 252, in
    20798 check_for_drawing_change 
    20799 trig.activate_trigger('graphics update', self) 
    20800 File
    20801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20802 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20803 trigger.activate(data) 
    20804 File
    20805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20806 packages/chimerax/core/triggerset.py", line 190, in activate 
    20807 ret = handler.invoke(data, self._remove_bad_handlers) 
    20808 File
    20809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20810 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20811 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20812 File
    20813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20814 packages/chimerax/core/session.py", line 943, in <lambda> 
    20815 logger.report_exception(preface=preface)) 
    20816 File
    20817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20818 packages/chimerax/core/logger.py", line 421, in report_exception 
    20819 elif probably_chimera1_session(exc_info): 
    20820 File
    20821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20822 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20823 etype, evalue, etraceback = exc_info 
    20824 TypeError: cannot unpack non-iterable NoneType object 
    20825  
    20826 TypeError: cannot unpack non-iterable NoneType object 
    20827  
    20828 File
    20829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20830 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20831 etype, evalue, etraceback = exc_info 
    20832  
    20833 See log for complete Python traceback. 
    20834  
    20835 Traceback (most recent call last): 
    20836 File
    20837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20838 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20839 return self._func(self._name, data) 
    20840 File
    20841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20842 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20843 if v.display: 
    20844 File
    20845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20846 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20847 return self._any_displayed_positions and len(self._positions) > 0 
    20848 TypeError: object of type 'NoneType' has no len() 
    20849  
    20850 During handling of the above exception, another exception occurred: 
    20851  
    20852 Traceback (most recent call last): 
    20853 File
    20854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20855 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20856 if not self.draw_new_frame(): 
    20857 File
    20858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20859 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20860 changed = view.check_for_drawing_change() 
    20861 File
    20862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20863 packages/chimerax/core/graphics/view.py", line 252, in
    20864 check_for_drawing_change 
    20865 trig.activate_trigger('graphics update', self) 
    20866 File
    20867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20868 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20869 trigger.activate(data) 
    20870 File
    20871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20872 packages/chimerax/core/triggerset.py", line 190, in activate 
    20873 ret = handler.invoke(data, self._remove_bad_handlers) 
    20874 File
    20875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20876 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20877 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20878 File
    20879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20880 packages/chimerax/core/session.py", line 943, in <lambda> 
    20881 logger.report_exception(preface=preface)) 
    20882 File
    20883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20884 packages/chimerax/core/logger.py", line 421, in report_exception 
    20885 elif probably_chimera1_session(exc_info): 
    20886 File
    20887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20888 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20889 etype, evalue, etraceback = exc_info 
    20890 TypeError: cannot unpack non-iterable NoneType object 
    20891  
    20892 TypeError: cannot unpack non-iterable NoneType object 
    20893  
    20894 File
    20895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20896 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20897 etype, evalue, etraceback = exc_info 
    20898  
    20899 See log for complete Python traceback. 
    20900  
    20901 Traceback (most recent call last): 
    20902 File
    20903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20904 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20905 return self._func(self._name, data) 
    20906 File
    20907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20908 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20909 if v.display: 
    20910 File
    20911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20912 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20913 return self._any_displayed_positions and len(self._positions) > 0 
    20914 TypeError: object of type 'NoneType' has no len() 
    20915  
    20916 During handling of the above exception, another exception occurred: 
    20917  
    20918 Traceback (most recent call last): 
    20919 File
    20920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20921 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20922 if not self.draw_new_frame(): 
    20923 File
    20924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20925 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20926 changed = view.check_for_drawing_change() 
    20927 File
    20928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20929 packages/chimerax/core/graphics/view.py", line 252, in
    20930 check_for_drawing_change 
    20931 trig.activate_trigger('graphics update', self) 
    20932 File
    20933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20934 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    20935 trigger.activate(data) 
    20936 File
    20937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20938 packages/chimerax/core/triggerset.py", line 190, in activate 
    20939 ret = handler.invoke(data, self._remove_bad_handlers) 
    20940 File
    20941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20942 packages/chimerax/core/triggerset.py", line 132, in invoke 
    20943 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    20944 File
    20945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20946 packages/chimerax/core/session.py", line 943, in <lambda> 
    20947 logger.report_exception(preface=preface)) 
    20948 File
    20949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20950 packages/chimerax/core/logger.py", line 421, in report_exception 
    20951 elif probably_chimera1_session(exc_info): 
    20952 File
    20953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20954 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20955 etype, evalue, etraceback = exc_info 
    20956 TypeError: cannot unpack non-iterable NoneType object 
    20957  
    20958 TypeError: cannot unpack non-iterable NoneType object 
    20959  
    20960 File
    20961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20962 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    20963 etype, evalue, etraceback = exc_info 
    20964  
    20965 See log for complete Python traceback. 
    20966  
    20967 Traceback (most recent call last): 
    20968 File
    20969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20970 packages/chimerax/core/triggerset.py", line 130, in invoke 
    20971 return self._func(self._name, data) 
    20972 File
    20973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20974 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    20975 if v.display: 
    20976 File
    20977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20978 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    20979 return self._any_displayed_positions and len(self._positions) > 0 
    20980 TypeError: object of type 'NoneType' has no len() 
    20981  
    20982 During handling of the above exception, another exception occurred: 
    20983  
    20984 Traceback (most recent call last): 
    20985 File
    20986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20987 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    20988 if not self.draw_new_frame(): 
    20989 File
    20990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20991 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    20992 changed = view.check_for_drawing_change() 
    20993 File
    20994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    20995 packages/chimerax/core/graphics/view.py", line 252, in
    20996 check_for_drawing_change 
    20997 trig.activate_trigger('graphics update', self) 
    20998 File
    20999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21000 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21001 trigger.activate(data) 
    21002 File
    21003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21004 packages/chimerax/core/triggerset.py", line 190, in activate 
    21005 ret = handler.invoke(data, self._remove_bad_handlers) 
    21006 File
    21007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21008 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21009 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21010 File
    21011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21012 packages/chimerax/core/session.py", line 943, in <lambda> 
    21013 logger.report_exception(preface=preface)) 
    21014 File
    21015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21016 packages/chimerax/core/logger.py", line 421, in report_exception 
    21017 elif probably_chimera1_session(exc_info): 
    21018 File
    21019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21020 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21021 etype, evalue, etraceback = exc_info 
    21022 TypeError: cannot unpack non-iterable NoneType object 
    21023  
    21024 TypeError: cannot unpack non-iterable NoneType object 
    21025  
    21026 File
    21027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21028 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21029 etype, evalue, etraceback = exc_info 
    21030  
    21031 See log for complete Python traceback. 
    21032  
    21033 Traceback (most recent call last): 
    21034 File
    21035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21036 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21037 return self._func(self._name, data) 
    21038 File
    21039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21040 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21041 if v.display: 
    21042 File
    21043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21044 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21045 return self._any_displayed_positions and len(self._positions) > 0 
    21046 TypeError: object of type 'NoneType' has no len() 
    21047  
    21048 During handling of the above exception, another exception occurred: 
    21049  
    21050 Traceback (most recent call last): 
    21051 File
    21052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21053 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21054 if not self.draw_new_frame(): 
    21055 File
    21056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21057 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21058 changed = view.check_for_drawing_change() 
    21059 File
    21060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21061 packages/chimerax/core/graphics/view.py", line 252, in
    21062 check_for_drawing_change 
    21063 trig.activate_trigger('graphics update', self) 
    21064 File
    21065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21066 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21067 trigger.activate(data) 
    21068 File
    21069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21070 packages/chimerax/core/triggerset.py", line 190, in activate 
    21071 ret = handler.invoke(data, self._remove_bad_handlers) 
    21072 File
    21073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21074 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21075 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21076 File
    21077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21078 packages/chimerax/core/session.py", line 943, in <lambda> 
    21079 logger.report_exception(preface=preface)) 
    21080 File
    21081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21082 packages/chimerax/core/logger.py", line 421, in report_exception 
    21083 elif probably_chimera1_session(exc_info): 
    21084 File
    21085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21086 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21087 etype, evalue, etraceback = exc_info 
    21088 TypeError: cannot unpack non-iterable NoneType object 
    21089  
    21090 TypeError: cannot unpack non-iterable NoneType object 
    21091  
    21092 File
    21093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21094 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21095 etype, evalue, etraceback = exc_info 
    21096  
    21097 See log for complete Python traceback. 
    21098  
    21099 Traceback (most recent call last): 
    21100 File
    21101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21102 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21103 return self._func(self._name, data) 
    21104 File
    21105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21106 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21107 if v.display: 
    21108 File
    21109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21110 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21111 return self._any_displayed_positions and len(self._positions) > 0 
    21112 TypeError: object of type 'NoneType' has no len() 
    21113  
    21114 During handling of the above exception, another exception occurred: 
    21115  
    21116 Traceback (most recent call last): 
    21117 File
    21118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21119 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21120 if not self.draw_new_frame(): 
    21121 File
    21122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21123 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21124 changed = view.check_for_drawing_change() 
    21125 File
    21126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21127 packages/chimerax/core/graphics/view.py", line 252, in
    21128 check_for_drawing_change 
    21129 trig.activate_trigger('graphics update', self) 
    21130 File
    21131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21132 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21133 trigger.activate(data) 
    21134 File
    21135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21136 packages/chimerax/core/triggerset.py", line 190, in activate 
    21137 ret = handler.invoke(data, self._remove_bad_handlers) 
    21138 File
    21139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21140 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21141 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21142 File
    21143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21144 packages/chimerax/core/session.py", line 943, in <lambda> 
    21145 logger.report_exception(preface=preface)) 
    21146 File
    21147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21148 packages/chimerax/core/logger.py", line 421, in report_exception 
    21149 elif probably_chimera1_session(exc_info): 
    21150 File
    21151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21152 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21153 etype, evalue, etraceback = exc_info 
    21154 TypeError: cannot unpack non-iterable NoneType object 
    21155  
    21156 TypeError: cannot unpack non-iterable NoneType object 
    21157  
    21158 File
    21159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21160 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21161 etype, evalue, etraceback = exc_info 
    21162  
    21163 See log for complete Python traceback. 
    21164  
    21165 Traceback (most recent call last): 
    21166 File
    21167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21169 return self._func(self._name, data) 
    21170 File
    21171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21172 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21173 if v.display: 
    21174 File
    21175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21176 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21177 return self._any_displayed_positions and len(self._positions) > 0 
    21178 TypeError: object of type 'NoneType' has no len() 
    21179  
    21180 During handling of the above exception, another exception occurred: 
    21181  
    21182 Traceback (most recent call last): 
    21183 File
    21184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21185 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21186 if not self.draw_new_frame(): 
    21187 File
    21188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21189 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21190 changed = view.check_for_drawing_change() 
    21191 File
    21192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21193 packages/chimerax/core/graphics/view.py", line 252, in
    21194 check_for_drawing_change 
    21195 trig.activate_trigger('graphics update', self) 
    21196 File
    21197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21198 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21199 trigger.activate(data) 
    21200 File
    21201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21202 packages/chimerax/core/triggerset.py", line 190, in activate 
    21203 ret = handler.invoke(data, self._remove_bad_handlers) 
    21204 File
    21205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21206 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21207 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21208 File
    21209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21210 packages/chimerax/core/session.py", line 943, in <lambda> 
    21211 logger.report_exception(preface=preface)) 
    21212 File
    21213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21214 packages/chimerax/core/logger.py", line 421, in report_exception 
    21215 elif probably_chimera1_session(exc_info): 
    21216 File
    21217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21218 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21219 etype, evalue, etraceback = exc_info 
    21220 TypeError: cannot unpack non-iterable NoneType object 
    21221  
    21222 TypeError: cannot unpack non-iterable NoneType object 
    21223  
    21224 File
    21225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21226 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21227 etype, evalue, etraceback = exc_info 
    21228  
    21229 See log for complete Python traceback. 
    21230  
    21231 Traceback (most recent call last): 
    21232 File
    21233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21234 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21235 return self._func(self._name, data) 
    21236 File
    21237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21238 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21239 if v.display: 
    21240 File
    21241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21242 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21243 return self._any_displayed_positions and len(self._positions) > 0 
    21244 TypeError: object of type 'NoneType' has no len() 
    21245  
    21246 During handling of the above exception, another exception occurred: 
    21247  
    21248 Traceback (most recent call last): 
    21249 File
    21250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21251 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21252 if not self.draw_new_frame(): 
    21253 File
    21254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21255 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21256 changed = view.check_for_drawing_change() 
    21257 File
    21258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21259 packages/chimerax/core/graphics/view.py", line 252, in
    21260 check_for_drawing_change 
    21261 trig.activate_trigger('graphics update', self) 
    21262 File
    21263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21264 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21265 trigger.activate(data) 
    21266 File
    21267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21268 packages/chimerax/core/triggerset.py", line 190, in activate 
    21269 ret = handler.invoke(data, self._remove_bad_handlers) 
    21270 File
    21271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21272 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21273 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21274 File
    21275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21276 packages/chimerax/core/session.py", line 943, in <lambda> 
    21277 logger.report_exception(preface=preface)) 
    21278 File
    21279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21280 packages/chimerax/core/logger.py", line 421, in report_exception 
    21281 elif probably_chimera1_session(exc_info): 
    21282 File
    21283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21284 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21285 etype, evalue, etraceback = exc_info 
    21286 TypeError: cannot unpack non-iterable NoneType object 
    21287  
    21288 TypeError: cannot unpack non-iterable NoneType object 
    21289  
    21290 File
    21291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21292 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21293 etype, evalue, etraceback = exc_info 
    21294  
    21295 See log for complete Python traceback. 
    21296  
    21297 Traceback (most recent call last): 
    21298 File
    21299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21300 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21301 return self._func(self._name, data) 
    21302 File
    21303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21304 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21305 if v.display: 
    21306 File
    21307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21308 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21309 return self._any_displayed_positions and len(self._positions) > 0 
    21310 TypeError: object of type 'NoneType' has no len() 
    21311  
    21312 During handling of the above exception, another exception occurred: 
    21313  
    21314 Traceback (most recent call last): 
    21315 File
    21316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21317 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21318 if not self.draw_new_frame(): 
    21319 File
    21320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21321 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21322 changed = view.check_for_drawing_change() 
    21323 File
    21324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21325 packages/chimerax/core/graphics/view.py", line 252, in
    21326 check_for_drawing_change 
    21327 trig.activate_trigger('graphics update', self) 
    21328 File
    21329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21330 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21331 trigger.activate(data) 
    21332 File
    21333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21334 packages/chimerax/core/triggerset.py", line 190, in activate 
    21335 ret = handler.invoke(data, self._remove_bad_handlers) 
    21336 File
    21337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21338 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21339 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21340 File
    21341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21342 packages/chimerax/core/session.py", line 943, in <lambda> 
    21343 logger.report_exception(preface=preface)) 
    21344 File
    21345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21346 packages/chimerax/core/logger.py", line 421, in report_exception 
    21347 elif probably_chimera1_session(exc_info): 
    21348 File
    21349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21350 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21351 etype, evalue, etraceback = exc_info 
    21352 TypeError: cannot unpack non-iterable NoneType object 
    21353  
    21354 TypeError: cannot unpack non-iterable NoneType object 
    21355  
    21356 File
    21357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21358 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21359 etype, evalue, etraceback = exc_info 
    21360  
    21361 See log for complete Python traceback. 
    21362  
    21363 Traceback (most recent call last): 
    21364 File
    21365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21366 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21367 return self._func(self._name, data) 
    21368 File
    21369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21370 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21371 if v.display: 
    21372 File
    21373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21374 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21375 return self._any_displayed_positions and len(self._positions) > 0 
    21376 TypeError: object of type 'NoneType' has no len() 
    21377  
    21378 During handling of the above exception, another exception occurred: 
    21379  
    21380 Traceback (most recent call last): 
    21381 File
    21382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21383 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21384 if not self.draw_new_frame(): 
    21385 File
    21386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21387 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21388 changed = view.check_for_drawing_change() 
    21389 File
    21390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21391 packages/chimerax/core/graphics/view.py", line 252, in
    21392 check_for_drawing_change 
    21393 trig.activate_trigger('graphics update', self) 
    21394 File
    21395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21396 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21397 trigger.activate(data) 
    21398 File
    21399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21400 packages/chimerax/core/triggerset.py", line 190, in activate 
    21401 ret = handler.invoke(data, self._remove_bad_handlers) 
    21402 File
    21403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21404 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21405 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21406 File
    21407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21408 packages/chimerax/core/session.py", line 943, in <lambda> 
    21409 logger.report_exception(preface=preface)) 
    21410 File
    21411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21412 packages/chimerax/core/logger.py", line 421, in report_exception 
    21413 elif probably_chimera1_session(exc_info): 
    21414 File
    21415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21416 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21417 etype, evalue, etraceback = exc_info 
    21418 TypeError: cannot unpack non-iterable NoneType object 
    21419  
    21420 TypeError: cannot unpack non-iterable NoneType object 
    21421  
    21422 File
    21423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21424 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21425 etype, evalue, etraceback = exc_info 
    21426  
    21427 See log for complete Python traceback. 
    21428  
    21429 Traceback (most recent call last): 
    21430 File
    21431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21432 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21433 return self._func(self._name, data) 
    21434 File
    21435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21436 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21437 if v.display: 
    21438 File
    21439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21440 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21441 return self._any_displayed_positions and len(self._positions) > 0 
    21442 TypeError: object of type 'NoneType' has no len() 
    21443  
    21444 During handling of the above exception, another exception occurred: 
    21445  
    21446 Traceback (most recent call last): 
    21447 File
    21448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21449 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21450 if not self.draw_new_frame(): 
    21451 File
    21452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21453 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21454 changed = view.check_for_drawing_change() 
    21455 File
    21456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21457 packages/chimerax/core/graphics/view.py", line 252, in
    21458 check_for_drawing_change 
    21459 trig.activate_trigger('graphics update', self) 
    21460 File
    21461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21462 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21463 trigger.activate(data) 
    21464 File
    21465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21466 packages/chimerax/core/triggerset.py", line 190, in activate 
    21467 ret = handler.invoke(data, self._remove_bad_handlers) 
    21468 File
    21469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21470 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21471 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21472 File
    21473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21474 packages/chimerax/core/session.py", line 943, in <lambda> 
    21475 logger.report_exception(preface=preface)) 
    21476 File
    21477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21478 packages/chimerax/core/logger.py", line 421, in report_exception 
    21479 elif probably_chimera1_session(exc_info): 
    21480 File
    21481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21482 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21483 etype, evalue, etraceback = exc_info 
    21484 TypeError: cannot unpack non-iterable NoneType object 
    21485  
    21486 TypeError: cannot unpack non-iterable NoneType object 
    21487  
    21488 File
    21489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21490 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21491 etype, evalue, etraceback = exc_info 
    21492  
    21493 See log for complete Python traceback. 
    21494  
    21495 Traceback (most recent call last): 
    21496 File
    21497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21498 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21499 return self._func(self._name, data) 
    21500 File
    21501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21502 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21503 if v.display: 
    21504 File
    21505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21506 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21507 return self._any_displayed_positions and len(self._positions) > 0 
    21508 TypeError: object of type 'NoneType' has no len() 
    21509  
    21510 During handling of the above exception, another exception occurred: 
    21511  
    21512 Traceback (most recent call last): 
    21513 File
    21514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21515 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21516 if not self.draw_new_frame(): 
    21517 File
    21518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21519 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21520 changed = view.check_for_drawing_change() 
    21521 File
    21522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21523 packages/chimerax/core/graphics/view.py", line 252, in
    21524 check_for_drawing_change 
    21525 trig.activate_trigger('graphics update', self) 
    21526 File
    21527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21528 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21529 trigger.activate(data) 
    21530 File
    21531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21532 packages/chimerax/core/triggerset.py", line 190, in activate 
    21533 ret = handler.invoke(data, self._remove_bad_handlers) 
    21534 File
    21535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21536 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21537 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21538 File
    21539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21540 packages/chimerax/core/session.py", line 943, in <lambda> 
    21541 logger.report_exception(preface=preface)) 
    21542 File
    21543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21544 packages/chimerax/core/logger.py", line 421, in report_exception 
    21545 elif probably_chimera1_session(exc_info): 
    21546 File
    21547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21548 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21549 etype, evalue, etraceback = exc_info 
    21550 TypeError: cannot unpack non-iterable NoneType object 
    21551  
    21552 TypeError: cannot unpack non-iterable NoneType object 
    21553  
    21554 File
    21555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21556 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21557 etype, evalue, etraceback = exc_info 
    21558  
    21559 See log for complete Python traceback. 
    21560  
    21561 Traceback (most recent call last): 
    21562 File
    21563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21564 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21565 return self._func(self._name, data) 
    21566 File
    21567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21568 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21569 if v.display: 
    21570 File
    21571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21572 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21573 return self._any_displayed_positions and len(self._positions) > 0 
    21574 TypeError: object of type 'NoneType' has no len() 
    21575  
    21576 During handling of the above exception, another exception occurred: 
    21577  
    21578 Traceback (most recent call last): 
    21579 File
    21580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21581 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21582 if not self.draw_new_frame(): 
    21583 File
    21584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21585 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21586 changed = view.check_for_drawing_change() 
    21587 File
    21588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21589 packages/chimerax/core/graphics/view.py", line 252, in
    21590 check_for_drawing_change 
    21591 trig.activate_trigger('graphics update', self) 
    21592 File
    21593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21594 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21595 trigger.activate(data) 
    21596 File
    21597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21598 packages/chimerax/core/triggerset.py", line 190, in activate 
    21599 ret = handler.invoke(data, self._remove_bad_handlers) 
    21600 File
    21601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21602 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21603 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21604 File
    21605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21606 packages/chimerax/core/session.py", line 943, in <lambda> 
    21607 logger.report_exception(preface=preface)) 
    21608 File
    21609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21610 packages/chimerax/core/logger.py", line 421, in report_exception 
    21611 elif probably_chimera1_session(exc_info): 
    21612 File
    21613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21614 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21615 etype, evalue, etraceback = exc_info 
    21616 TypeError: cannot unpack non-iterable NoneType object 
    21617  
    21618 TypeError: cannot unpack non-iterable NoneType object 
    21619  
    21620 File
    21621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21622 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21623 etype, evalue, etraceback = exc_info 
    21624  
    21625 See log for complete Python traceback. 
    21626  
    21627 Traceback (most recent call last): 
    21628 File
    21629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21630 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21631 return self._func(self._name, data) 
    21632 File
    21633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21634 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21635 if v.display: 
    21636 File
    21637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21638 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21639 return self._any_displayed_positions and len(self._positions) > 0 
    21640 TypeError: object of type 'NoneType' has no len() 
    21641  
    21642 During handling of the above exception, another exception occurred: 
    21643  
    21644 Traceback (most recent call last): 
    21645 File
    21646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21647 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21648 if not self.draw_new_frame(): 
    21649 File
    21650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21651 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21652 changed = view.check_for_drawing_change() 
    21653 File
    21654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21655 packages/chimerax/core/graphics/view.py", line 252, in
    21656 check_for_drawing_change 
    21657 trig.activate_trigger('graphics update', self) 
    21658 File
    21659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21660 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21661 trigger.activate(data) 
    21662 File
    21663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21664 packages/chimerax/core/triggerset.py", line 190, in activate 
    21665 ret = handler.invoke(data, self._remove_bad_handlers) 
    21666 File
    21667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21668 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21669 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21670 File
    21671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21672 packages/chimerax/core/session.py", line 943, in <lambda> 
    21673 logger.report_exception(preface=preface)) 
    21674 File
    21675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21676 packages/chimerax/core/logger.py", line 421, in report_exception 
    21677 elif probably_chimera1_session(exc_info): 
    21678 File
    21679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21680 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21681 etype, evalue, etraceback = exc_info 
    21682 TypeError: cannot unpack non-iterable NoneType object 
    21683  
    21684 TypeError: cannot unpack non-iterable NoneType object 
    21685  
    21686 File
    21687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21688 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21689 etype, evalue, etraceback = exc_info 
    21690  
    21691 See log for complete Python traceback. 
    21692  
    21693 Traceback (most recent call last): 
    21694 File
    21695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21696 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21697 return self._func(self._name, data) 
    21698 File
    21699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21700 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21701 if v.display: 
    21702 File
    21703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21704 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21705 return self._any_displayed_positions and len(self._positions) > 0 
    21706 TypeError: object of type 'NoneType' has no len() 
    21707  
    21708 During handling of the above exception, another exception occurred: 
    21709  
    21710 Traceback (most recent call last): 
    21711 File
    21712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21713 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21714 if not self.draw_new_frame(): 
    21715 File
    21716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21717 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21718 changed = view.check_for_drawing_change() 
    21719 File
    21720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21721 packages/chimerax/core/graphics/view.py", line 252, in
    21722 check_for_drawing_change 
    21723 trig.activate_trigger('graphics update', self) 
    21724 File
    21725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21726 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21727 trigger.activate(data) 
    21728 File
    21729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21730 packages/chimerax/core/triggerset.py", line 190, in activate 
    21731 ret = handler.invoke(data, self._remove_bad_handlers) 
    21732 File
    21733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21734 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21735 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21736 File
    21737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21738 packages/chimerax/core/session.py", line 943, in <lambda> 
    21739 logger.report_exception(preface=preface)) 
    21740 File
    21741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21742 packages/chimerax/core/logger.py", line 421, in report_exception 
    21743 elif probably_chimera1_session(exc_info): 
    21744 File
    21745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21746 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21747 etype, evalue, etraceback = exc_info 
    21748 TypeError: cannot unpack non-iterable NoneType object 
    21749  
    21750 TypeError: cannot unpack non-iterable NoneType object 
    21751  
    21752 File
    21753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21754 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21755 etype, evalue, etraceback = exc_info 
    21756  
    21757 See log for complete Python traceback. 
    21758  
    21759 Traceback (most recent call last): 
    21760 File
    21761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21762 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21763 return self._func(self._name, data) 
    21764 File
    21765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21766 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21767 if v.display: 
    21768 File
    21769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21770 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21771 return self._any_displayed_positions and len(self._positions) > 0 
    21772 TypeError: object of type 'NoneType' has no len() 
    21773  
    21774 During handling of the above exception, another exception occurred: 
    21775  
    21776 Traceback (most recent call last): 
    21777 File
    21778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21779 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21780 if not self.draw_new_frame(): 
    21781 File
    21782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21783 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21784 changed = view.check_for_drawing_change() 
    21785 File
    21786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21787 packages/chimerax/core/graphics/view.py", line 252, in
    21788 check_for_drawing_change 
    21789 trig.activate_trigger('graphics update', self) 
    21790 File
    21791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21792 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21793 trigger.activate(data) 
    21794 File
    21795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21796 packages/chimerax/core/triggerset.py", line 190, in activate 
    21797 ret = handler.invoke(data, self._remove_bad_handlers) 
    21798 File
    21799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21800 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21801 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21802 File
    21803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21804 packages/chimerax/core/session.py", line 943, in <lambda> 
    21805 logger.report_exception(preface=preface)) 
    21806 File
    21807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21808 packages/chimerax/core/logger.py", line 421, in report_exception 
    21809 elif probably_chimera1_session(exc_info): 
    21810 File
    21811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21812 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21813 etype, evalue, etraceback = exc_info 
    21814 TypeError: cannot unpack non-iterable NoneType object 
    21815  
    21816 TypeError: cannot unpack non-iterable NoneType object 
    21817  
    21818 File
    21819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21820 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21821 etype, evalue, etraceback = exc_info 
    21822  
    21823 See log for complete Python traceback. 
    21824  
    21825 Traceback (most recent call last): 
    21826 File
    21827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21828 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21829 return self._func(self._name, data) 
    21830 File
    21831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21832 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21833 if v.display: 
    21834 File
    21835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21836 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21837 return self._any_displayed_positions and len(self._positions) > 0 
    21838 TypeError: object of type 'NoneType' has no len() 
    21839  
    21840 During handling of the above exception, another exception occurred: 
    21841  
    21842 Traceback (most recent call last): 
    21843 File
    21844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21845 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21846 if not self.draw_new_frame(): 
    21847 File
    21848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21849 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21850 changed = view.check_for_drawing_change() 
    21851 File
    21852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21853 packages/chimerax/core/graphics/view.py", line 252, in
    21854 check_for_drawing_change 
    21855 trig.activate_trigger('graphics update', self) 
    21856 File
    21857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21858 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21859 trigger.activate(data) 
    21860 File
    21861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21862 packages/chimerax/core/triggerset.py", line 190, in activate 
    21863 ret = handler.invoke(data, self._remove_bad_handlers) 
    21864 File
    21865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21866 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21867 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21868 File
    21869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21870 packages/chimerax/core/session.py", line 943, in <lambda> 
    21871 logger.report_exception(preface=preface)) 
    21872 File
    21873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21874 packages/chimerax/core/logger.py", line 421, in report_exception 
    21875 elif probably_chimera1_session(exc_info): 
    21876 File
    21877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21878 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21879 etype, evalue, etraceback = exc_info 
    21880 TypeError: cannot unpack non-iterable NoneType object 
    21881  
    21882 TypeError: cannot unpack non-iterable NoneType object 
    21883  
    21884 File
    21885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21886 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21887 etype, evalue, etraceback = exc_info 
    21888  
    21889 See log for complete Python traceback. 
    21890  
    21891 Traceback (most recent call last): 
    21892 File
    21893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21894 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21895 return self._func(self._name, data) 
    21896 File
    21897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21898 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21899 if v.display: 
    21900 File
    21901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21902 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21903 return self._any_displayed_positions and len(self._positions) > 0 
    21904 TypeError: object of type 'NoneType' has no len() 
    21905  
    21906 During handling of the above exception, another exception occurred: 
    21907  
    21908 Traceback (most recent call last): 
    21909 File
    21910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21911 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21912 if not self.draw_new_frame(): 
    21913 File
    21914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21915 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21916 changed = view.check_for_drawing_change() 
    21917 File
    21918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21919 packages/chimerax/core/graphics/view.py", line 252, in
    21920 check_for_drawing_change 
    21921 trig.activate_trigger('graphics update', self) 
    21922 File
    21923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21924 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21925 trigger.activate(data) 
    21926 File
    21927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21928 packages/chimerax/core/triggerset.py", line 190, in activate 
    21929 ret = handler.invoke(data, self._remove_bad_handlers) 
    21930 File
    21931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21932 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21933 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    21934 File
    21935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21936 packages/chimerax/core/session.py", line 943, in <lambda> 
    21937 logger.report_exception(preface=preface)) 
    21938 File
    21939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21940 packages/chimerax/core/logger.py", line 421, in report_exception 
    21941 elif probably_chimera1_session(exc_info): 
    21942 File
    21943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21944 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21945 etype, evalue, etraceback = exc_info 
    21946 TypeError: cannot unpack non-iterable NoneType object 
    21947  
    21948 TypeError: cannot unpack non-iterable NoneType object 
    21949  
    21950 File
    21951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21952 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    21953 etype, evalue, etraceback = exc_info 
    21954  
    21955 See log for complete Python traceback. 
    21956  
    21957 Traceback (most recent call last): 
    21958 File
    21959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21960 packages/chimerax/core/triggerset.py", line 130, in invoke 
    21961 return self._func(self._name, data) 
    21962 File
    21963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21964 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    21965 if v.display: 
    21966 File
    21967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21968 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    21969 return self._any_displayed_positions and len(self._positions) > 0 
    21970 TypeError: object of type 'NoneType' has no len() 
    21971  
    21972 During handling of the above exception, another exception occurred: 
    21973  
    21974 Traceback (most recent call last): 
    21975 File
    21976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21977 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    21978 if not self.draw_new_frame(): 
    21979 File
    21980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21981 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    21982 changed = view.check_for_drawing_change() 
    21983 File
    21984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21985 packages/chimerax/core/graphics/view.py", line 252, in
    21986 check_for_drawing_change 
    21987 trig.activate_trigger('graphics update', self) 
    21988 File
    21989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21990 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    21991 trigger.activate(data) 
    21992 File
    21993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21994 packages/chimerax/core/triggerset.py", line 190, in activate 
    21995 ret = handler.invoke(data, self._remove_bad_handlers) 
    21996 File
    21997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    21998 packages/chimerax/core/triggerset.py", line 132, in invoke 
    21999 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22000 File
    22001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22002 packages/chimerax/core/session.py", line 943, in <lambda> 
    22003 logger.report_exception(preface=preface)) 
    22004 File
    22005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22006 packages/chimerax/core/logger.py", line 421, in report_exception 
    22007 elif probably_chimera1_session(exc_info): 
    22008 File
    22009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22010 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22011 etype, evalue, etraceback = exc_info 
    22012 TypeError: cannot unpack non-iterable NoneType object 
    22013  
    22014 TypeError: cannot unpack non-iterable NoneType object 
    22015  
    22016 File
    22017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22018 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22019 etype, evalue, etraceback = exc_info 
    22020  
    22021 See log for complete Python traceback. 
    22022  
    22023 Traceback (most recent call last): 
    22024 File
    22025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22026 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22027 return self._func(self._name, data) 
    22028 File
    22029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22030 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22031 if v.display: 
    22032 File
    22033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22034 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22035 return self._any_displayed_positions and len(self._positions) > 0 
    22036 TypeError: object of type 'NoneType' has no len() 
    22037  
    22038 During handling of the above exception, another exception occurred: 
    22039  
    22040 Traceback (most recent call last): 
    22041 File
    22042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22043 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22044 if not self.draw_new_frame(): 
    22045 File
    22046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22047 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22048 changed = view.check_for_drawing_change() 
    22049 File
    22050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22051 packages/chimerax/core/graphics/view.py", line 252, in
    22052 check_for_drawing_change 
    22053 trig.activate_trigger('graphics update', self) 
    22054 File
    22055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22056 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22057 trigger.activate(data) 
    22058 File
    22059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22060 packages/chimerax/core/triggerset.py", line 190, in activate 
    22061 ret = handler.invoke(data, self._remove_bad_handlers) 
    22062 File
    22063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22064 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22065 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22066 File
    22067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22068 packages/chimerax/core/session.py", line 943, in <lambda> 
    22069 logger.report_exception(preface=preface)) 
    22070 File
    22071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22072 packages/chimerax/core/logger.py", line 421, in report_exception 
    22073 elif probably_chimera1_session(exc_info): 
    22074 File
    22075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22076 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22077 etype, evalue, etraceback = exc_info 
    22078 TypeError: cannot unpack non-iterable NoneType object 
    22079  
    22080 TypeError: cannot unpack non-iterable NoneType object 
    22081  
    22082 File
    22083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22084 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22085 etype, evalue, etraceback = exc_info 
    22086  
    22087 See log for complete Python traceback. 
    22088  
    22089 Traceback (most recent call last): 
    22090 File
    22091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22092 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22093 return self._func(self._name, data) 
    22094 File
    22095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22096 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22097 if v.display: 
    22098 File
    22099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22100 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22101 return self._any_displayed_positions and len(self._positions) > 0 
    22102 TypeError: object of type 'NoneType' has no len() 
    22103  
    22104 During handling of the above exception, another exception occurred: 
    22105  
    22106 Traceback (most recent call last): 
    22107 File
    22108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22109 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22110 if not self.draw_new_frame(): 
    22111 File
    22112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22113 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22114 changed = view.check_for_drawing_change() 
    22115 File
    22116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22117 packages/chimerax/core/graphics/view.py", line 252, in
    22118 check_for_drawing_change 
    22119 trig.activate_trigger('graphics update', self) 
    22120 File
    22121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22122 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22123 trigger.activate(data) 
    22124 File
    22125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22126 packages/chimerax/core/triggerset.py", line 190, in activate 
    22127 ret = handler.invoke(data, self._remove_bad_handlers) 
    22128 File
    22129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22130 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22131 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22132 File
    22133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22134 packages/chimerax/core/session.py", line 943, in <lambda> 
    22135 logger.report_exception(preface=preface)) 
    22136 File
    22137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22138 packages/chimerax/core/logger.py", line 421, in report_exception 
    22139 elif probably_chimera1_session(exc_info): 
    22140 File
    22141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22142 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22143 etype, evalue, etraceback = exc_info 
    22144 TypeError: cannot unpack non-iterable NoneType object 
    22145  
    22146 TypeError: cannot unpack non-iterable NoneType object 
    22147  
    22148 File
    22149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22150 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22151 etype, evalue, etraceback = exc_info 
    22152  
    22153 See log for complete Python traceback. 
    22154  
    22155 Traceback (most recent call last): 
    22156 File
    22157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22158 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22159 return self._func(self._name, data) 
    22160 File
    22161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22162 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22163 if v.display: 
    22164 File
    22165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22166 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22167 return self._any_displayed_positions and len(self._positions) > 0 
    22168 TypeError: object of type 'NoneType' has no len() 
    22169  
    22170 During handling of the above exception, another exception occurred: 
    22171  
    22172 Traceback (most recent call last): 
    22173 File
    22174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22175 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22176 if not self.draw_new_frame(): 
    22177 File
    22178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22179 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22180 changed = view.check_for_drawing_change() 
    22181 File
    22182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22183 packages/chimerax/core/graphics/view.py", line 252, in
    22184 check_for_drawing_change 
    22185 trig.activate_trigger('graphics update', self) 
    22186 File
    22187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22188 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22189 trigger.activate(data) 
    22190 File
    22191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22192 packages/chimerax/core/triggerset.py", line 190, in activate 
    22193 ret = handler.invoke(data, self._remove_bad_handlers) 
    22194 File
    22195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22196 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22197 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22198 File
    22199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22200 packages/chimerax/core/session.py", line 943, in <lambda> 
    22201 logger.report_exception(preface=preface)) 
    22202 File
    22203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22204 packages/chimerax/core/logger.py", line 421, in report_exception 
    22205 elif probably_chimera1_session(exc_info): 
    22206 File
    22207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22208 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22209 etype, evalue, etraceback = exc_info 
    22210 TypeError: cannot unpack non-iterable NoneType object 
    22211  
    22212 TypeError: cannot unpack non-iterable NoneType object 
    22213  
    22214 File
    22215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22216 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22217 etype, evalue, etraceback = exc_info 
    22218  
    22219 See log for complete Python traceback. 
    22220  
    22221 Traceback (most recent call last): 
    22222 File
    22223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22224 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22225 return self._func(self._name, data) 
    22226 File
    22227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22228 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22229 if v.display: 
    22230 File
    22231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22232 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22233 return self._any_displayed_positions and len(self._positions) > 0 
    22234 TypeError: object of type 'NoneType' has no len() 
    22235  
    22236 During handling of the above exception, another exception occurred: 
    22237  
    22238 Traceback (most recent call last): 
    22239 File
    22240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22241 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22242 if not self.draw_new_frame(): 
    22243 File
    22244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22245 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22246 changed = view.check_for_drawing_change() 
    22247 File
    22248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22249 packages/chimerax/core/graphics/view.py", line 252, in
    22250 check_for_drawing_change 
    22251 trig.activate_trigger('graphics update', self) 
    22252 File
    22253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22254 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22255 trigger.activate(data) 
    22256 File
    22257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22258 packages/chimerax/core/triggerset.py", line 190, in activate 
    22259 ret = handler.invoke(data, self._remove_bad_handlers) 
    22260 File
    22261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22262 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22263 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22264 File
    22265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22266 packages/chimerax/core/session.py", line 943, in <lambda> 
    22267 logger.report_exception(preface=preface)) 
    22268 File
    22269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22270 packages/chimerax/core/logger.py", line 421, in report_exception 
    22271 elif probably_chimera1_session(exc_info): 
    22272 File
    22273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22274 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22275 etype, evalue, etraceback = exc_info 
    22276 TypeError: cannot unpack non-iterable NoneType object 
    22277  
    22278 TypeError: cannot unpack non-iterable NoneType object 
    22279  
    22280 File
    22281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22282 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22283 etype, evalue, etraceback = exc_info 
    22284  
    22285 See log for complete Python traceback. 
    22286  
    22287 Traceback (most recent call last): 
    22288 File
    22289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22290 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22291 return self._func(self._name, data) 
    22292 File
    22293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22294 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22295 if v.display: 
    22296 File
    22297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22298 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22299 return self._any_displayed_positions and len(self._positions) > 0 
    22300 TypeError: object of type 'NoneType' has no len() 
    22301  
    22302 During handling of the above exception, another exception occurred: 
    22303  
    22304 Traceback (most recent call last): 
    22305 File
    22306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22307 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22308 if not self.draw_new_frame(): 
    22309 File
    22310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22311 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22312 changed = view.check_for_drawing_change() 
    22313 File
    22314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22315 packages/chimerax/core/graphics/view.py", line 252, in
    22316 check_for_drawing_change 
    22317 trig.activate_trigger('graphics update', self) 
    22318 File
    22319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22320 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22321 trigger.activate(data) 
    22322 File
    22323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22324 packages/chimerax/core/triggerset.py", line 190, in activate 
    22325 ret = handler.invoke(data, self._remove_bad_handlers) 
    22326 File
    22327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22328 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22329 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22330 File
    22331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22332 packages/chimerax/core/session.py", line 943, in <lambda> 
    22333 logger.report_exception(preface=preface)) 
    22334 File
    22335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22336 packages/chimerax/core/logger.py", line 421, in report_exception 
    22337 elif probably_chimera1_session(exc_info): 
    22338 File
    22339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22340 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22341 etype, evalue, etraceback = exc_info 
    22342 TypeError: cannot unpack non-iterable NoneType object 
    22343  
    22344 TypeError: cannot unpack non-iterable NoneType object 
    22345  
    22346 File
    22347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22348 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22349 etype, evalue, etraceback = exc_info 
    22350  
    22351 See log for complete Python traceback. 
    22352  
    22353 Traceback (most recent call last): 
    22354 File
    22355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22356 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22357 return self._func(self._name, data) 
    22358 File
    22359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22360 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22361 if v.display: 
    22362 File
    22363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22364 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22365 return self._any_displayed_positions and len(self._positions) > 0 
    22366 TypeError: object of type 'NoneType' has no len() 
    22367  
    22368 During handling of the above exception, another exception occurred: 
    22369  
    22370 Traceback (most recent call last): 
    22371 File
    22372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22373 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22374 if not self.draw_new_frame(): 
    22375 File
    22376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22377 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22378 changed = view.check_for_drawing_change() 
    22379 File
    22380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22381 packages/chimerax/core/graphics/view.py", line 252, in
    22382 check_for_drawing_change 
    22383 trig.activate_trigger('graphics update', self) 
    22384 File
    22385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22386 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22387 trigger.activate(data) 
    22388 File
    22389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22390 packages/chimerax/core/triggerset.py", line 190, in activate 
    22391 ret = handler.invoke(data, self._remove_bad_handlers) 
    22392 File
    22393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22394 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22395 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22396 File
    22397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22398 packages/chimerax/core/session.py", line 943, in <lambda> 
    22399 logger.report_exception(preface=preface)) 
    22400 File
    22401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22402 packages/chimerax/core/logger.py", line 421, in report_exception 
    22403 elif probably_chimera1_session(exc_info): 
    22404 File
    22405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22406 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22407 etype, evalue, etraceback = exc_info 
    22408 TypeError: cannot unpack non-iterable NoneType object 
    22409  
    22410 TypeError: cannot unpack non-iterable NoneType object 
    22411  
    22412 File
    22413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22414 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22415 etype, evalue, etraceback = exc_info 
    22416  
    22417 See log for complete Python traceback. 
    22418  
    22419 Traceback (most recent call last): 
    22420 File
    22421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22422 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22423 return self._func(self._name, data) 
    22424 File
    22425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22426 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22427 if v.display: 
    22428 File
    22429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22430 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22431 return self._any_displayed_positions and len(self._positions) > 0 
    22432 TypeError: object of type 'NoneType' has no len() 
    22433  
    22434 During handling of the above exception, another exception occurred: 
    22435  
    22436 Traceback (most recent call last): 
    22437 File
    22438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22439 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22440 if not self.draw_new_frame(): 
    22441 File
    22442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22443 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22444 changed = view.check_for_drawing_change() 
    22445 File
    22446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22447 packages/chimerax/core/graphics/view.py", line 252, in
    22448 check_for_drawing_change 
    22449 trig.activate_trigger('graphics update', self) 
    22450 File
    22451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22452 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22453 trigger.activate(data) 
    22454 File
    22455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22456 packages/chimerax/core/triggerset.py", line 190, in activate 
    22457 ret = handler.invoke(data, self._remove_bad_handlers) 
    22458 File
    22459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22460 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22461 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22462 File
    22463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22464 packages/chimerax/core/session.py", line 943, in <lambda> 
    22465 logger.report_exception(preface=preface)) 
    22466 File
    22467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22468 packages/chimerax/core/logger.py", line 421, in report_exception 
    22469 elif probably_chimera1_session(exc_info): 
    22470 File
    22471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22472 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22473 etype, evalue, etraceback = exc_info 
    22474 TypeError: cannot unpack non-iterable NoneType object 
    22475  
    22476 TypeError: cannot unpack non-iterable NoneType object 
    22477  
    22478 File
    22479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22480 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22481 etype, evalue, etraceback = exc_info 
    22482  
    22483 See log for complete Python traceback. 
    22484  
    22485 Traceback (most recent call last): 
    22486 File
    22487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22488 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22489 return self._func(self._name, data) 
    22490 File
    22491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22492 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22493 if v.display: 
    22494 File
    22495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22496 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22497 return self._any_displayed_positions and len(self._positions) > 0 
    22498 TypeError: object of type 'NoneType' has no len() 
    22499  
    22500 During handling of the above exception, another exception occurred: 
    22501  
    22502 Traceback (most recent call last): 
    22503 File
    22504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22505 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22506 if not self.draw_new_frame(): 
    22507 File
    22508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22509 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22510 changed = view.check_for_drawing_change() 
    22511 File
    22512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22513 packages/chimerax/core/graphics/view.py", line 252, in
    22514 check_for_drawing_change 
    22515 trig.activate_trigger('graphics update', self) 
    22516 File
    22517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22518 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22519 trigger.activate(data) 
    22520 File
    22521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22522 packages/chimerax/core/triggerset.py", line 190, in activate 
    22523 ret = handler.invoke(data, self._remove_bad_handlers) 
    22524 File
    22525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22526 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22527 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22528 File
    22529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22530 packages/chimerax/core/session.py", line 943, in <lambda> 
    22531 logger.report_exception(preface=preface)) 
    22532 File
    22533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22534 packages/chimerax/core/logger.py", line 421, in report_exception 
    22535 elif probably_chimera1_session(exc_info): 
    22536 File
    22537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22538 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22539 etype, evalue, etraceback = exc_info 
    22540 TypeError: cannot unpack non-iterable NoneType object 
    22541  
    22542 TypeError: cannot unpack non-iterable NoneType object 
    22543  
    22544 File
    22545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22546 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22547 etype, evalue, etraceback = exc_info 
    22548  
    22549 See log for complete Python traceback. 
    22550  
    22551 Traceback (most recent call last): 
    22552 File
    22553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22554 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22555 return self._func(self._name, data) 
    22556 File
    22557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22558 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22559 if v.display: 
    22560 File
    22561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22562 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22563 return self._any_displayed_positions and len(self._positions) > 0 
    22564 TypeError: object of type 'NoneType' has no len() 
    22565  
    22566 During handling of the above exception, another exception occurred: 
    22567  
    22568 Traceback (most recent call last): 
    22569 File
    22570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22571 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22572 if not self.draw_new_frame(): 
    22573 File
    22574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22575 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22576 changed = view.check_for_drawing_change() 
    22577 File
    22578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22579 packages/chimerax/core/graphics/view.py", line 252, in
    22580 check_for_drawing_change 
    22581 trig.activate_trigger('graphics update', self) 
    22582 File
    22583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22584 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22585 trigger.activate(data) 
    22586 File
    22587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22588 packages/chimerax/core/triggerset.py", line 190, in activate 
    22589 ret = handler.invoke(data, self._remove_bad_handlers) 
    22590 File
    22591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22592 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22593 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22594 File
    22595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22596 packages/chimerax/core/session.py", line 943, in <lambda> 
    22597 logger.report_exception(preface=preface)) 
    22598 File
    22599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22600 packages/chimerax/core/logger.py", line 421, in report_exception 
    22601 elif probably_chimera1_session(exc_info): 
    22602 File
    22603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22604 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22605 etype, evalue, etraceback = exc_info 
    22606 TypeError: cannot unpack non-iterable NoneType object 
    22607  
    22608 TypeError: cannot unpack non-iterable NoneType object 
    22609  
    22610 File
    22611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22612 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22613 etype, evalue, etraceback = exc_info 
    22614  
    22615 See log for complete Python traceback. 
    22616  
    22617 Traceback (most recent call last): 
    22618 File
    22619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22620 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22621 return self._func(self._name, data) 
    22622 File
    22623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22624 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22625 if v.display: 
    22626 File
    22627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22628 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22629 return self._any_displayed_positions and len(self._positions) > 0 
    22630 TypeError: object of type 'NoneType' has no len() 
    22631  
    22632 During handling of the above exception, another exception occurred: 
    22633  
    22634 Traceback (most recent call last): 
    22635 File
    22636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22637 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22638 if not self.draw_new_frame(): 
    22639 File
    22640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22641 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22642 changed = view.check_for_drawing_change() 
    22643 File
    22644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22645 packages/chimerax/core/graphics/view.py", line 252, in
    22646 check_for_drawing_change 
    22647 trig.activate_trigger('graphics update', self) 
    22648 File
    22649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22650 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22651 trigger.activate(data) 
    22652 File
    22653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22654 packages/chimerax/core/triggerset.py", line 190, in activate 
    22655 ret = handler.invoke(data, self._remove_bad_handlers) 
    22656 File
    22657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22658 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22659 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22660 File
    22661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22662 packages/chimerax/core/session.py", line 943, in <lambda> 
    22663 logger.report_exception(preface=preface)) 
    22664 File
    22665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22666 packages/chimerax/core/logger.py", line 421, in report_exception 
    22667 elif probably_chimera1_session(exc_info): 
    22668 File
    22669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22670 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22671 etype, evalue, etraceback = exc_info 
    22672 TypeError: cannot unpack non-iterable NoneType object 
    22673  
    22674 TypeError: cannot unpack non-iterable NoneType object 
    22675  
    22676 File
    22677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22678 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22679 etype, evalue, etraceback = exc_info 
    22680  
    22681 See log for complete Python traceback. 
    22682  
    22683 Traceback (most recent call last): 
    22684 File
    22685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22686 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22687 return self._func(self._name, data) 
    22688 File
    22689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22690 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22691 if v.display: 
    22692 File
    22693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22694 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22695 return self._any_displayed_positions and len(self._positions) > 0 
    22696 TypeError: object of type 'NoneType' has no len() 
    22697  
    22698 During handling of the above exception, another exception occurred: 
    22699  
    22700 Traceback (most recent call last): 
    22701 File
    22702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22703 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22704 if not self.draw_new_frame(): 
    22705 File
    22706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22707 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22708 changed = view.check_for_drawing_change() 
    22709 File
    22710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22711 packages/chimerax/core/graphics/view.py", line 252, in
    22712 check_for_drawing_change 
    22713 trig.activate_trigger('graphics update', self) 
    22714 File
    22715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22716 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22717 trigger.activate(data) 
    22718 File
    22719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22720 packages/chimerax/core/triggerset.py", line 190, in activate 
    22721 ret = handler.invoke(data, self._remove_bad_handlers) 
    22722 File
    22723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22724 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22725 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22726 File
    22727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22728 packages/chimerax/core/session.py", line 943, in <lambda> 
    22729 logger.report_exception(preface=preface)) 
    22730 File
    22731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22732 packages/chimerax/core/logger.py", line 421, in report_exception 
    22733 elif probably_chimera1_session(exc_info): 
    22734 File
    22735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22736 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22737 etype, evalue, etraceback = exc_info 
    22738 TypeError: cannot unpack non-iterable NoneType object 
    22739  
    22740 TypeError: cannot unpack non-iterable NoneType object 
    22741  
    22742 File
    22743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22744 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22745 etype, evalue, etraceback = exc_info 
    22746  
    22747 See log for complete Python traceback. 
    22748  
    22749 Traceback (most recent call last): 
    22750 File
    22751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22752 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22753 return self._func(self._name, data) 
    22754 File
    22755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22756 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22757 if v.display: 
    22758 File
    22759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22760 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22761 return self._any_displayed_positions and len(self._positions) > 0 
    22762 TypeError: object of type 'NoneType' has no len() 
    22763  
    22764 During handling of the above exception, another exception occurred: 
    22765  
    22766 Traceback (most recent call last): 
    22767 File
    22768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22769 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22770 if not self.draw_new_frame(): 
    22771 File
    22772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22773 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22774 changed = view.check_for_drawing_change() 
    22775 File
    22776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22777 packages/chimerax/core/graphics/view.py", line 252, in
    22778 check_for_drawing_change 
    22779 trig.activate_trigger('graphics update', self) 
    22780 File
    22781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22782 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22783 trigger.activate(data) 
    22784 File
    22785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22786 packages/chimerax/core/triggerset.py", line 190, in activate 
    22787 ret = handler.invoke(data, self._remove_bad_handlers) 
    22788 File
    22789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22790 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22791 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22792 File
    22793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22794 packages/chimerax/core/session.py", line 943, in <lambda> 
    22795 logger.report_exception(preface=preface)) 
    22796 File
    22797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22798 packages/chimerax/core/logger.py", line 421, in report_exception 
    22799 elif probably_chimera1_session(exc_info): 
    22800 File
    22801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22802 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22803 etype, evalue, etraceback = exc_info 
    22804 TypeError: cannot unpack non-iterable NoneType object 
    22805  
    22806 TypeError: cannot unpack non-iterable NoneType object 
    22807  
    22808 File
    22809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22810 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22811 etype, evalue, etraceback = exc_info 
    22812  
    22813 See log for complete Python traceback. 
    22814  
    22815 Traceback (most recent call last): 
    22816 File
    22817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22819 return self._func(self._name, data) 
    22820 File
    22821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22822 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22823 if v.display: 
    22824 File
    22825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22826 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22827 return self._any_displayed_positions and len(self._positions) > 0 
    22828 TypeError: object of type 'NoneType' has no len() 
    22829  
    22830 During handling of the above exception, another exception occurred: 
    22831  
    22832 Traceback (most recent call last): 
    22833 File
    22834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22835 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22836 if not self.draw_new_frame(): 
    22837 File
    22838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22839 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22840 changed = view.check_for_drawing_change() 
    22841 File
    22842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22843 packages/chimerax/core/graphics/view.py", line 252, in
    22844 check_for_drawing_change 
    22845 trig.activate_trigger('graphics update', self) 
    22846 File
    22847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22848 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22849 trigger.activate(data) 
    22850 File
    22851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22852 packages/chimerax/core/triggerset.py", line 190, in activate 
    22853 ret = handler.invoke(data, self._remove_bad_handlers) 
    22854 File
    22855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22856 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22857 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22858 File
    22859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22860 packages/chimerax/core/session.py", line 943, in <lambda> 
    22861 logger.report_exception(preface=preface)) 
    22862 File
    22863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22864 packages/chimerax/core/logger.py", line 421, in report_exception 
    22865 elif probably_chimera1_session(exc_info): 
    22866 File
    22867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22868 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22869 etype, evalue, etraceback = exc_info 
    22870 TypeError: cannot unpack non-iterable NoneType object 
    22871  
    22872 TypeError: cannot unpack non-iterable NoneType object 
    22873  
    22874 File
    22875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22876 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22877 etype, evalue, etraceback = exc_info 
    22878  
    22879 See log for complete Python traceback. 
    22880  
    22881 Traceback (most recent call last): 
    22882 File
    22883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22884 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22885 return self._func(self._name, data) 
    22886 File
    22887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22888 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22889 if v.display: 
    22890 File
    22891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22892 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22893 return self._any_displayed_positions and len(self._positions) > 0 
    22894 TypeError: object of type 'NoneType' has no len() 
    22895  
    22896 During handling of the above exception, another exception occurred: 
    22897  
    22898 Traceback (most recent call last): 
    22899 File
    22900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22901 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22902 if not self.draw_new_frame(): 
    22903 File
    22904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22905 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22906 changed = view.check_for_drawing_change() 
    22907 File
    22908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22909 packages/chimerax/core/graphics/view.py", line 252, in
    22910 check_for_drawing_change 
    22911 trig.activate_trigger('graphics update', self) 
    22912 File
    22913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22914 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22915 trigger.activate(data) 
    22916 File
    22917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22918 packages/chimerax/core/triggerset.py", line 190, in activate 
    22919 ret = handler.invoke(data, self._remove_bad_handlers) 
    22920 File
    22921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22922 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22923 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22924 File
    22925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22926 packages/chimerax/core/session.py", line 943, in <lambda> 
    22927 logger.report_exception(preface=preface)) 
    22928 File
    22929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22930 packages/chimerax/core/logger.py", line 421, in report_exception 
    22931 elif probably_chimera1_session(exc_info): 
    22932 File
    22933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22934 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22935 etype, evalue, etraceback = exc_info 
    22936 TypeError: cannot unpack non-iterable NoneType object 
    22937  
    22938 TypeError: cannot unpack non-iterable NoneType object 
    22939  
    22940 File
    22941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22942 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    22943 etype, evalue, etraceback = exc_info 
    22944  
    22945 See log for complete Python traceback. 
    22946  
    22947 Traceback (most recent call last): 
    22948 File
    22949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22950 packages/chimerax/core/triggerset.py", line 130, in invoke 
    22951 return self._func(self._name, data) 
    22952 File
    22953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22954 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    22955 if v.display: 
    22956 File
    22957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22958 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    22959 return self._any_displayed_positions and len(self._positions) > 0 
    22960 TypeError: object of type 'NoneType' has no len() 
    22961  
    22962 During handling of the above exception, another exception occurred: 
    22963  
    22964 Traceback (most recent call last): 
    22965 File
    22966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22967 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    22968 if not self.draw_new_frame(): 
    22969 File
    22970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22971 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    22972 changed = view.check_for_drawing_change() 
    22973 File
    22974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22975 packages/chimerax/core/graphics/view.py", line 252, in
    22976 check_for_drawing_change 
    22977 trig.activate_trigger('graphics update', self) 
    22978 File
    22979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22980 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    22981 trigger.activate(data) 
    22982 File
    22983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22984 packages/chimerax/core/triggerset.py", line 190, in activate 
    22985 ret = handler.invoke(data, self._remove_bad_handlers) 
    22986 File
    22987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22988 packages/chimerax/core/triggerset.py", line 132, in invoke 
    22989 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    22990 File
    22991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22992 packages/chimerax/core/session.py", line 943, in <lambda> 
    22993 logger.report_exception(preface=preface)) 
    22994 File
    22995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    22996 packages/chimerax/core/logger.py", line 421, in report_exception 
    22997 elif probably_chimera1_session(exc_info): 
    22998 File
    22999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23000 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23001 etype, evalue, etraceback = exc_info 
    23002 TypeError: cannot unpack non-iterable NoneType object 
    23003  
    23004 TypeError: cannot unpack non-iterable NoneType object 
    23005  
    23006 File
    23007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23008 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23009 etype, evalue, etraceback = exc_info 
    23010  
    23011 See log for complete Python traceback. 
    23012  
    23013 Traceback (most recent call last): 
    23014 File
    23015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23016 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23017 return self._func(self._name, data) 
    23018 File
    23019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23020 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23021 if v.display: 
    23022 File
    23023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23024 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23025 return self._any_displayed_positions and len(self._positions) > 0 
    23026 TypeError: object of type 'NoneType' has no len() 
    23027  
    23028 During handling of the above exception, another exception occurred: 
    23029  
    23030 Traceback (most recent call last): 
    23031 File
    23032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23033 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23034 if not self.draw_new_frame(): 
    23035 File
    23036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23037 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23038 changed = view.check_for_drawing_change() 
    23039 File
    23040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23041 packages/chimerax/core/graphics/view.py", line 252, in
    23042 check_for_drawing_change 
    23043 trig.activate_trigger('graphics update', self) 
    23044 File
    23045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23046 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23047 trigger.activate(data) 
    23048 File
    23049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23050 packages/chimerax/core/triggerset.py", line 190, in activate 
    23051 ret = handler.invoke(data, self._remove_bad_handlers) 
    23052 File
    23053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23054 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23055 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23056 File
    23057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23058 packages/chimerax/core/session.py", line 943, in <lambda> 
    23059 logger.report_exception(preface=preface)) 
    23060 File
    23061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23062 packages/chimerax/core/logger.py", line 421, in report_exception 
    23063 elif probably_chimera1_session(exc_info): 
    23064 File
    23065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23066 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23067 etype, evalue, etraceback = exc_info 
    23068 TypeError: cannot unpack non-iterable NoneType object 
    23069  
    23070 TypeError: cannot unpack non-iterable NoneType object 
    23071  
    23072 File
    23073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23074 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23075 etype, evalue, etraceback = exc_info 
    23076  
    23077 See log for complete Python traceback. 
    23078  
    23079 Traceback (most recent call last): 
    23080 File
    23081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23082 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23083 return self._func(self._name, data) 
    23084 File
    23085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23086 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23087 if v.display: 
    23088 File
    23089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23090 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23091 return self._any_displayed_positions and len(self._positions) > 0 
    23092 TypeError: object of type 'NoneType' has no len() 
    23093  
    23094 During handling of the above exception, another exception occurred: 
    23095  
    23096 Traceback (most recent call last): 
    23097 File
    23098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23099 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23100 if not self.draw_new_frame(): 
    23101 File
    23102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23103 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23104 changed = view.check_for_drawing_change() 
    23105 File
    23106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23107 packages/chimerax/core/graphics/view.py", line 252, in
    23108 check_for_drawing_change 
    23109 trig.activate_trigger('graphics update', self) 
    23110 File
    23111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23112 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23113 trigger.activate(data) 
    23114 File
    23115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23116 packages/chimerax/core/triggerset.py", line 190, in activate 
    23117 ret = handler.invoke(data, self._remove_bad_handlers) 
    23118 File
    23119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23120 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23121 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23122 File
    23123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23124 packages/chimerax/core/session.py", line 943, in <lambda> 
    23125 logger.report_exception(preface=preface)) 
    23126 File
    23127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23128 packages/chimerax/core/logger.py", line 421, in report_exception 
    23129 elif probably_chimera1_session(exc_info): 
    23130 File
    23131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23132 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23133 etype, evalue, etraceback = exc_info 
    23134 TypeError: cannot unpack non-iterable NoneType object 
    23135  
    23136 TypeError: cannot unpack non-iterable NoneType object 
    23137  
    23138 File
    23139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23140 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23141 etype, evalue, etraceback = exc_info 
    23142  
    23143 See log for complete Python traceback. 
    23144  
    23145 Traceback (most recent call last): 
    23146 File
    23147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23148 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23149 return self._func(self._name, data) 
    23150 File
    23151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23152 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23153 if v.display: 
    23154 File
    23155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23156 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23157 return self._any_displayed_positions and len(self._positions) > 0 
    23158 TypeError: object of type 'NoneType' has no len() 
    23159  
    23160 During handling of the above exception, another exception occurred: 
    23161  
    23162 Traceback (most recent call last): 
    23163 File
    23164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23165 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23166 if not self.draw_new_frame(): 
    23167 File
    23168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23169 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23170 changed = view.check_for_drawing_change() 
    23171 File
    23172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23173 packages/chimerax/core/graphics/view.py", line 252, in
    23174 check_for_drawing_change 
    23175 trig.activate_trigger('graphics update', self) 
    23176 File
    23177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23178 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23179 trigger.activate(data) 
    23180 File
    23181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23182 packages/chimerax/core/triggerset.py", line 190, in activate 
    23183 ret = handler.invoke(data, self._remove_bad_handlers) 
    23184 File
    23185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23186 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23187 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23188 File
    23189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23190 packages/chimerax/core/session.py", line 943, in <lambda> 
    23191 logger.report_exception(preface=preface)) 
    23192 File
    23193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23194 packages/chimerax/core/logger.py", line 421, in report_exception 
    23195 elif probably_chimera1_session(exc_info): 
    23196 File
    23197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23198 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23199 etype, evalue, etraceback = exc_info 
    23200 TypeError: cannot unpack non-iterable NoneType object 
    23201  
    23202 TypeError: cannot unpack non-iterable NoneType object 
    23203  
    23204 File
    23205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23206 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23207 etype, evalue, etraceback = exc_info 
    23208  
    23209 See log for complete Python traceback. 
    23210  
    23211 Traceback (most recent call last): 
    23212 File
    23213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23214 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23215 return self._func(self._name, data) 
    23216 File
    23217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23218 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23219 if v.display: 
    23220 File
    23221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23222 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23223 return self._any_displayed_positions and len(self._positions) > 0 
    23224 TypeError: object of type 'NoneType' has no len() 
    23225  
    23226 During handling of the above exception, another exception occurred: 
    23227  
    23228 Traceback (most recent call last): 
    23229 File
    23230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23231 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23232 if not self.draw_new_frame(): 
    23233 File
    23234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23235 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23236 changed = view.check_for_drawing_change() 
    23237 File
    23238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23239 packages/chimerax/core/graphics/view.py", line 252, in
    23240 check_for_drawing_change 
    23241 trig.activate_trigger('graphics update', self) 
    23242 File
    23243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23244 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23245 trigger.activate(data) 
    23246 File
    23247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23248 packages/chimerax/core/triggerset.py", line 190, in activate 
    23249 ret = handler.invoke(data, self._remove_bad_handlers) 
    23250 File
    23251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23252 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23253 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23254 File
    23255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23256 packages/chimerax/core/session.py", line 943, in <lambda> 
    23257 logger.report_exception(preface=preface)) 
    23258 File
    23259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23260 packages/chimerax/core/logger.py", line 421, in report_exception 
    23261 elif probably_chimera1_session(exc_info): 
    23262 File
    23263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23264 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23265 etype, evalue, etraceback = exc_info 
    23266 TypeError: cannot unpack non-iterable NoneType object 
    23267  
    23268 TypeError: cannot unpack non-iterable NoneType object 
    23269  
    23270 File
    23271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23272 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23273 etype, evalue, etraceback = exc_info 
    23274  
    23275 See log for complete Python traceback. 
    23276  
    23277 Traceback (most recent call last): 
    23278 File
    23279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23280 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23281 return self._func(self._name, data) 
    23282 File
    23283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23284 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23285 if v.display: 
    23286 File
    23287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23288 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23289 return self._any_displayed_positions and len(self._positions) > 0 
    23290 TypeError: object of type 'NoneType' has no len() 
    23291  
    23292 During handling of the above exception, another exception occurred: 
    23293  
    23294 Traceback (most recent call last): 
    23295 File
    23296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23297 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23298 if not self.draw_new_frame(): 
    23299 File
    23300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23301 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23302 changed = view.check_for_drawing_change() 
    23303 File
    23304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23305 packages/chimerax/core/graphics/view.py", line 252, in
    23306 check_for_drawing_change 
    23307 trig.activate_trigger('graphics update', self) 
    23308 File
    23309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23310 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23311 trigger.activate(data) 
    23312 File
    23313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23314 packages/chimerax/core/triggerset.py", line 190, in activate 
    23315 ret = handler.invoke(data, self._remove_bad_handlers) 
    23316 File
    23317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23318 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23319 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23320 File
    23321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23322 packages/chimerax/core/session.py", line 943, in <lambda> 
    23323 logger.report_exception(preface=preface)) 
    23324 File
    23325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23326 packages/chimerax/core/logger.py", line 421, in report_exception 
    23327 elif probably_chimera1_session(exc_info): 
    23328 File
    23329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23330 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23331 etype, evalue, etraceback = exc_info 
    23332 TypeError: cannot unpack non-iterable NoneType object 
    23333  
    23334 TypeError: cannot unpack non-iterable NoneType object 
    23335  
    23336 File
    23337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23338 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23339 etype, evalue, etraceback = exc_info 
    23340  
    23341 See log for complete Python traceback. 
    23342  
    23343 Traceback (most recent call last): 
    23344 File
    23345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23346 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23347 return self._func(self._name, data) 
    23348 File
    23349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23350 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23351 if v.display: 
    23352 File
    23353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23354 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23355 return self._any_displayed_positions and len(self._positions) > 0 
    23356 TypeError: object of type 'NoneType' has no len() 
    23357  
    23358 During handling of the above exception, another exception occurred: 
    23359  
    23360 Traceback (most recent call last): 
    23361 File
    23362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23363 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23364 if not self.draw_new_frame(): 
    23365 File
    23366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23367 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23368 changed = view.check_for_drawing_change() 
    23369 File
    23370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23371 packages/chimerax/core/graphics/view.py", line 252, in
    23372 check_for_drawing_change 
    23373 trig.activate_trigger('graphics update', self) 
    23374 File
    23375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23376 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23377 trigger.activate(data) 
    23378 File
    23379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23380 packages/chimerax/core/triggerset.py", line 190, in activate 
    23381 ret = handler.invoke(data, self._remove_bad_handlers) 
    23382 File
    23383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23384 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23385 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23386 File
    23387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23388 packages/chimerax/core/session.py", line 943, in <lambda> 
    23389 logger.report_exception(preface=preface)) 
    23390 File
    23391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23392 packages/chimerax/core/logger.py", line 421, in report_exception 
    23393 elif probably_chimera1_session(exc_info): 
    23394 File
    23395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23396 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23397 etype, evalue, etraceback = exc_info 
    23398 TypeError: cannot unpack non-iterable NoneType object 
    23399  
    23400 TypeError: cannot unpack non-iterable NoneType object 
    23401  
    23402 File
    23403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23404 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23405 etype, evalue, etraceback = exc_info 
    23406  
    23407 See log for complete Python traceback. 
    23408  
    23409 Traceback (most recent call last): 
    23410 File
    23411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23412 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23413 return self._func(self._name, data) 
    23414 File
    23415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23416 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23417 if v.display: 
    23418 File
    23419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23420 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23421 return self._any_displayed_positions and len(self._positions) > 0 
    23422 TypeError: object of type 'NoneType' has no len() 
    23423  
    23424 During handling of the above exception, another exception occurred: 
    23425  
    23426 Traceback (most recent call last): 
    23427 File
    23428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23429 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23430 if not self.draw_new_frame(): 
    23431 File
    23432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23433 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23434 changed = view.check_for_drawing_change() 
    23435 File
    23436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23437 packages/chimerax/core/graphics/view.py", line 252, in
    23438 check_for_drawing_change 
    23439 trig.activate_trigger('graphics update', self) 
    23440 File
    23441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23442 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23443 trigger.activate(data) 
    23444 File
    23445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23446 packages/chimerax/core/triggerset.py", line 190, in activate 
    23447 ret = handler.invoke(data, self._remove_bad_handlers) 
    23448 File
    23449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23450 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23451 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23452 File
    23453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23454 packages/chimerax/core/session.py", line 943, in <lambda> 
    23455 logger.report_exception(preface=preface)) 
    23456 File
    23457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23458 packages/chimerax/core/logger.py", line 421, in report_exception 
    23459 elif probably_chimera1_session(exc_info): 
    23460 File
    23461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23462 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23463 etype, evalue, etraceback = exc_info 
    23464 TypeError: cannot unpack non-iterable NoneType object 
    23465  
    23466 TypeError: cannot unpack non-iterable NoneType object 
    23467  
    23468 File
    23469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23470 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23471 etype, evalue, etraceback = exc_info 
    23472  
    23473 See log for complete Python traceback. 
    23474  
    23475 Traceback (most recent call last): 
    23476 File
    23477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23478 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23479 return self._func(self._name, data) 
    23480 File
    23481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23482 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23483 if v.display: 
    23484 File
    23485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23486 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23487 return self._any_displayed_positions and len(self._positions) > 0 
    23488 TypeError: object of type 'NoneType' has no len() 
    23489  
    23490 During handling of the above exception, another exception occurred: 
    23491  
    23492 Traceback (most recent call last): 
    23493 File
    23494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23495 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23496 if not self.draw_new_frame(): 
    23497 File
    23498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23499 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23500 changed = view.check_for_drawing_change() 
    23501 File
    23502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23503 packages/chimerax/core/graphics/view.py", line 252, in
    23504 check_for_drawing_change 
    23505 trig.activate_trigger('graphics update', self) 
    23506 File
    23507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23508 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23509 trigger.activate(data) 
    23510 File
    23511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23512 packages/chimerax/core/triggerset.py", line 190, in activate 
    23513 ret = handler.invoke(data, self._remove_bad_handlers) 
    23514 File
    23515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23516 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23517 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23518 File
    23519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23520 packages/chimerax/core/session.py", line 943, in <lambda> 
    23521 logger.report_exception(preface=preface)) 
    23522 File
    23523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23524 packages/chimerax/core/logger.py", line 421, in report_exception 
    23525 elif probably_chimera1_session(exc_info): 
    23526 File
    23527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23528 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23529 etype, evalue, etraceback = exc_info 
    23530 TypeError: cannot unpack non-iterable NoneType object 
    23531  
    23532 TypeError: cannot unpack non-iterable NoneType object 
    23533  
    23534 File
    23535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23536 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23537 etype, evalue, etraceback = exc_info 
    23538  
    23539 See log for complete Python traceback. 
    23540  
    23541 Traceback (most recent call last): 
    23542 File
    23543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23544 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23545 return self._func(self._name, data) 
    23546 File
    23547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23548 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23549 if v.display: 
    23550 File
    23551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23552 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23553 return self._any_displayed_positions and len(self._positions) > 0 
    23554 TypeError: object of type 'NoneType' has no len() 
    23555  
    23556 During handling of the above exception, another exception occurred: 
    23557  
    23558 Traceback (most recent call last): 
    23559 File
    23560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23561 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23562 if not self.draw_new_frame(): 
    23563 File
    23564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23565 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23566 changed = view.check_for_drawing_change() 
    23567 File
    23568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23569 packages/chimerax/core/graphics/view.py", line 252, in
    23570 check_for_drawing_change 
    23571 trig.activate_trigger('graphics update', self) 
    23572 File
    23573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23574 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23575 trigger.activate(data) 
    23576 File
    23577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23578 packages/chimerax/core/triggerset.py", line 190, in activate 
    23579 ret = handler.invoke(data, self._remove_bad_handlers) 
    23580 File
    23581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23582 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23583 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23584 File
    23585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23586 packages/chimerax/core/session.py", line 943, in <lambda> 
    23587 logger.report_exception(preface=preface)) 
    23588 File
    23589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23590 packages/chimerax/core/logger.py", line 421, in report_exception 
    23591 elif probably_chimera1_session(exc_info): 
    23592 File
    23593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23594 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23595 etype, evalue, etraceback = exc_info 
    23596 TypeError: cannot unpack non-iterable NoneType object 
    23597  
    23598 TypeError: cannot unpack non-iterable NoneType object 
    23599  
    23600 File
    23601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23602 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23603 etype, evalue, etraceback = exc_info 
    23604  
    23605 See log for complete Python traceback. 
    23606  
    23607 Traceback (most recent call last): 
    23608 File
    23609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23610 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23611 return self._func(self._name, data) 
    23612 File
    23613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23614 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23615 if v.display: 
    23616 File
    23617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23618 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23619 return self._any_displayed_positions and len(self._positions) > 0 
    23620 TypeError: object of type 'NoneType' has no len() 
    23621  
    23622 During handling of the above exception, another exception occurred: 
    23623  
    23624 Traceback (most recent call last): 
    23625 File
    23626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23627 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23628 if not self.draw_new_frame(): 
    23629 File
    23630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23631 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23632 changed = view.check_for_drawing_change() 
    23633 File
    23634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23635 packages/chimerax/core/graphics/view.py", line 252, in
    23636 check_for_drawing_change 
    23637 trig.activate_trigger('graphics update', self) 
    23638 File
    23639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23640 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23641 trigger.activate(data) 
    23642 File
    23643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23644 packages/chimerax/core/triggerset.py", line 190, in activate 
    23645 ret = handler.invoke(data, self._remove_bad_handlers) 
    23646 File
    23647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23648 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23649 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23650 File
    23651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23652 packages/chimerax/core/session.py", line 943, in <lambda> 
    23653 logger.report_exception(preface=preface)) 
    23654 File
    23655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23656 packages/chimerax/core/logger.py", line 421, in report_exception 
    23657 elif probably_chimera1_session(exc_info): 
    23658 File
    23659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23660 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23661 etype, evalue, etraceback = exc_info 
    23662 TypeError: cannot unpack non-iterable NoneType object 
    23663  
    23664 TypeError: cannot unpack non-iterable NoneType object 
    23665  
    23666 File
    23667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23668 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23669 etype, evalue, etraceback = exc_info 
    23670  
    23671 See log for complete Python traceback. 
    23672  
    23673 Traceback (most recent call last): 
    23674 File
    23675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23676 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23677 return self._func(self._name, data) 
    23678 File
    23679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23680 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23681 if v.display: 
    23682 File
    23683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23684 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23685 return self._any_displayed_positions and len(self._positions) > 0 
    23686 TypeError: object of type 'NoneType' has no len() 
    23687  
    23688 During handling of the above exception, another exception occurred: 
    23689  
    23690 Traceback (most recent call last): 
    23691 File
    23692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23693 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23694 if not self.draw_new_frame(): 
    23695 File
    23696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23697 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23698 changed = view.check_for_drawing_change() 
    23699 File
    23700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23701 packages/chimerax/core/graphics/view.py", line 252, in
    23702 check_for_drawing_change 
    23703 trig.activate_trigger('graphics update', self) 
    23704 File
    23705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23706 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23707 trigger.activate(data) 
    23708 File
    23709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23710 packages/chimerax/core/triggerset.py", line 190, in activate 
    23711 ret = handler.invoke(data, self._remove_bad_handlers) 
    23712 File
    23713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23714 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23715 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23716 File
    23717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23718 packages/chimerax/core/session.py", line 943, in <lambda> 
    23719 logger.report_exception(preface=preface)) 
    23720 File
    23721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23722 packages/chimerax/core/logger.py", line 421, in report_exception 
    23723 elif probably_chimera1_session(exc_info): 
    23724 File
    23725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23726 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23727 etype, evalue, etraceback = exc_info 
    23728 TypeError: cannot unpack non-iterable NoneType object 
    23729  
    23730 TypeError: cannot unpack non-iterable NoneType object 
    23731  
    23732 File
    23733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23734 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23735 etype, evalue, etraceback = exc_info 
    23736  
    23737 See log for complete Python traceback. 
    23738  
    23739 Traceback (most recent call last): 
    23740 File
    23741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23742 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23743 return self._func(self._name, data) 
    23744 File
    23745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23746 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23747 if v.display: 
    23748 File
    23749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23750 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23751 return self._any_displayed_positions and len(self._positions) > 0 
    23752 TypeError: object of type 'NoneType' has no len() 
    23753  
    23754 During handling of the above exception, another exception occurred: 
    23755  
    23756 Traceback (most recent call last): 
    23757 File
    23758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23759 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23760 if not self.draw_new_frame(): 
    23761 File
    23762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23763 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23764 changed = view.check_for_drawing_change() 
    23765 File
    23766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23767 packages/chimerax/core/graphics/view.py", line 252, in
    23768 check_for_drawing_change 
    23769 trig.activate_trigger('graphics update', self) 
    23770 File
    23771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23772 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23773 trigger.activate(data) 
    23774 File
    23775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23776 packages/chimerax/core/triggerset.py", line 190, in activate 
    23777 ret = handler.invoke(data, self._remove_bad_handlers) 
    23778 File
    23779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23780 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23781 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23782 File
    23783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23784 packages/chimerax/core/session.py", line 943, in <lambda> 
    23785 logger.report_exception(preface=preface)) 
    23786 File
    23787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23788 packages/chimerax/core/logger.py", line 421, in report_exception 
    23789 elif probably_chimera1_session(exc_info): 
    23790 File
    23791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23792 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23793 etype, evalue, etraceback = exc_info 
    23794 TypeError: cannot unpack non-iterable NoneType object 
    23795  
    23796 TypeError: cannot unpack non-iterable NoneType object 
    23797  
    23798 File
    23799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23800 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23801 etype, evalue, etraceback = exc_info 
    23802  
    23803 See log for complete Python traceback. 
    23804  
    23805 Traceback (most recent call last): 
    23806 File
    23807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23808 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23809 return self._func(self._name, data) 
    23810 File
    23811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23812 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23813 if v.display: 
    23814 File
    23815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23816 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23817 return self._any_displayed_positions and len(self._positions) > 0 
    23818 TypeError: object of type 'NoneType' has no len() 
    23819  
    23820 During handling of the above exception, another exception occurred: 
    23821  
    23822 Traceback (most recent call last): 
    23823 File
    23824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23825 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23826 if not self.draw_new_frame(): 
    23827 File
    23828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23829 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23830 changed = view.check_for_drawing_change() 
    23831 File
    23832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23833 packages/chimerax/core/graphics/view.py", line 252, in
    23834 check_for_drawing_change 
    23835 trig.activate_trigger('graphics update', self) 
    23836 File
    23837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23838 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23839 trigger.activate(data) 
    23840 File
    23841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23842 packages/chimerax/core/triggerset.py", line 190, in activate 
    23843 ret = handler.invoke(data, self._remove_bad_handlers) 
    23844 File
    23845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23846 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23847 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23848 File
    23849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23850 packages/chimerax/core/session.py", line 943, in <lambda> 
    23851 logger.report_exception(preface=preface)) 
    23852 File
    23853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23854 packages/chimerax/core/logger.py", line 421, in report_exception 
    23855 elif probably_chimera1_session(exc_info): 
    23856 File
    23857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23858 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23859 etype, evalue, etraceback = exc_info 
    23860 TypeError: cannot unpack non-iterable NoneType object 
    23861  
    23862 TypeError: cannot unpack non-iterable NoneType object 
    23863  
    23864 File
    23865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23866 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23867 etype, evalue, etraceback = exc_info 
    23868  
    23869 See log for complete Python traceback. 
    23870  
    23871 Traceback (most recent call last): 
    23872 File
    23873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23874 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23875 return self._func(self._name, data) 
    23876 File
    23877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23878 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23879 if v.display: 
    23880 File
    23881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23882 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23883 return self._any_displayed_positions and len(self._positions) > 0 
    23884 TypeError: object of type 'NoneType' has no len() 
    23885  
    23886 During handling of the above exception, another exception occurred: 
    23887  
    23888 Traceback (most recent call last): 
    23889 File
    23890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23891 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23892 if not self.draw_new_frame(): 
    23893 File
    23894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23895 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23896 changed = view.check_for_drawing_change() 
    23897 File
    23898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23899 packages/chimerax/core/graphics/view.py", line 252, in
    23900 check_for_drawing_change 
    23901 trig.activate_trigger('graphics update', self) 
    23902 File
    23903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23904 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23905 trigger.activate(data) 
    23906 File
    23907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23908 packages/chimerax/core/triggerset.py", line 190, in activate 
    23909 ret = handler.invoke(data, self._remove_bad_handlers) 
    23910 File
    23911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23912 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23913 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23914 File
    23915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23916 packages/chimerax/core/session.py", line 943, in <lambda> 
    23917 logger.report_exception(preface=preface)) 
    23918 File
    23919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23920 packages/chimerax/core/logger.py", line 421, in report_exception 
    23921 elif probably_chimera1_session(exc_info): 
    23922 File
    23923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23924 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23925 etype, evalue, etraceback = exc_info 
    23926 TypeError: cannot unpack non-iterable NoneType object 
    23927  
    23928 TypeError: cannot unpack non-iterable NoneType object 
    23929  
    23930 File
    23931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23932 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23933 etype, evalue, etraceback = exc_info 
    23934  
    23935 See log for complete Python traceback. 
    23936  
    23937 Traceback (most recent call last): 
    23938 File
    23939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23940 packages/chimerax/core/triggerset.py", line 130, in invoke 
    23941 return self._func(self._name, data) 
    23942 File
    23943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23944 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    23945 if v.display: 
    23946 File
    23947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23948 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    23949 return self._any_displayed_positions and len(self._positions) > 0 
    23950 TypeError: object of type 'NoneType' has no len() 
    23951  
    23952 During handling of the above exception, another exception occurred: 
    23953  
    23954 Traceback (most recent call last): 
    23955 File
    23956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23957 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    23958 if not self.draw_new_frame(): 
    23959 File
    23960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23961 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    23962 changed = view.check_for_drawing_change() 
    23963 File
    23964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23965 packages/chimerax/core/graphics/view.py", line 252, in
    23966 check_for_drawing_change 
    23967 trig.activate_trigger('graphics update', self) 
    23968 File
    23969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23970 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    23971 trigger.activate(data) 
    23972 File
    23973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23974 packages/chimerax/core/triggerset.py", line 190, in activate 
    23975 ret = handler.invoke(data, self._remove_bad_handlers) 
    23976 File
    23977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23978 packages/chimerax/core/triggerset.py", line 132, in invoke 
    23979 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    23980 File
    23981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23982 packages/chimerax/core/session.py", line 943, in <lambda> 
    23983 logger.report_exception(preface=preface)) 
    23984 File
    23985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23986 packages/chimerax/core/logger.py", line 421, in report_exception 
    23987 elif probably_chimera1_session(exc_info): 
    23988 File
    23989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23990 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23991 etype, evalue, etraceback = exc_info 
    23992 TypeError: cannot unpack non-iterable NoneType object 
    23993  
    23994 TypeError: cannot unpack non-iterable NoneType object 
    23995  
    23996 File
    23997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    23998 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    23999 etype, evalue, etraceback = exc_info 
    24000  
    24001 See log for complete Python traceback. 
    24002  
    24003 Traceback (most recent call last): 
    24004 File
    24005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24006 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24007 return self._func(self._name, data) 
    24008 File
    24009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24010 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24011 if v.display: 
    24012 File
    24013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24014 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24015 return self._any_displayed_positions and len(self._positions) > 0 
    24016 TypeError: object of type 'NoneType' has no len() 
    24017  
    24018 During handling of the above exception, another exception occurred: 
    24019  
    24020 Traceback (most recent call last): 
    24021 File
    24022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24023 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24024 if not self.draw_new_frame(): 
    24025 File
    24026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24027 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24028 changed = view.check_for_drawing_change() 
    24029 File
    24030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24031 packages/chimerax/core/graphics/view.py", line 252, in
    24032 check_for_drawing_change 
    24033 trig.activate_trigger('graphics update', self) 
    24034 File
    24035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24036 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24037 trigger.activate(data) 
    24038 File
    24039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24040 packages/chimerax/core/triggerset.py", line 190, in activate 
    24041 ret = handler.invoke(data, self._remove_bad_handlers) 
    24042 File
    24043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24044 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24045 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24046 File
    24047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24048 packages/chimerax/core/session.py", line 943, in <lambda> 
    24049 logger.report_exception(preface=preface)) 
    24050 File
    24051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24052 packages/chimerax/core/logger.py", line 421, in report_exception 
    24053 elif probably_chimera1_session(exc_info): 
    24054 File
    24055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24056 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24057 etype, evalue, etraceback = exc_info 
    24058 TypeError: cannot unpack non-iterable NoneType object 
    24059  
    24060 TypeError: cannot unpack non-iterable NoneType object 
    24061  
    24062 File
    24063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24064 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24065 etype, evalue, etraceback = exc_info 
    24066  
    24067 See log for complete Python traceback. 
    24068  
    24069 Traceback (most recent call last): 
    24070 File
    24071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24072 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24073 return self._func(self._name, data) 
    24074 File
    24075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24076 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24077 if v.display: 
    24078 File
    24079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24080 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24081 return self._any_displayed_positions and len(self._positions) > 0 
    24082 TypeError: object of type 'NoneType' has no len() 
    24083  
    24084 During handling of the above exception, another exception occurred: 
    24085  
    24086 Traceback (most recent call last): 
    24087 File
    24088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24089 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24090 if not self.draw_new_frame(): 
    24091 File
    24092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24093 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24094 changed = view.check_for_drawing_change() 
    24095 File
    24096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24097 packages/chimerax/core/graphics/view.py", line 252, in
    24098 check_for_drawing_change 
    24099 trig.activate_trigger('graphics update', self) 
    24100 File
    24101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24102 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24103 trigger.activate(data) 
    24104 File
    24105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24106 packages/chimerax/core/triggerset.py", line 190, in activate 
    24107 ret = handler.invoke(data, self._remove_bad_handlers) 
    24108 File
    24109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24110 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24111 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24112 File
    24113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24114 packages/chimerax/core/session.py", line 943, in <lambda> 
    24115 logger.report_exception(preface=preface)) 
    24116 File
    24117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24118 packages/chimerax/core/logger.py", line 421, in report_exception 
    24119 elif probably_chimera1_session(exc_info): 
    24120 File
    24121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24122 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24123 etype, evalue, etraceback = exc_info 
    24124 TypeError: cannot unpack non-iterable NoneType object 
    24125  
    24126 TypeError: cannot unpack non-iterable NoneType object 
    24127  
    24128 File
    24129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24130 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24131 etype, evalue, etraceback = exc_info 
    24132  
    24133 See log for complete Python traceback. 
    24134  
    24135 Traceback (most recent call last): 
    24136 File
    24137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24138 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24139 return self._func(self._name, data) 
    24140 File
    24141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24142 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24143 if v.display: 
    24144 File
    24145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24146 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24147 return self._any_displayed_positions and len(self._positions) > 0 
    24148 TypeError: object of type 'NoneType' has no len() 
    24149  
    24150 During handling of the above exception, another exception occurred: 
    24151  
    24152 Traceback (most recent call last): 
    24153 File
    24154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24155 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24156 if not self.draw_new_frame(): 
    24157 File
    24158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24159 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24160 changed = view.check_for_drawing_change() 
    24161 File
    24162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24163 packages/chimerax/core/graphics/view.py", line 252, in
    24164 check_for_drawing_change 
    24165 trig.activate_trigger('graphics update', self) 
    24166 File
    24167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24168 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24169 trigger.activate(data) 
    24170 File
    24171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24172 packages/chimerax/core/triggerset.py", line 190, in activate 
    24173 ret = handler.invoke(data, self._remove_bad_handlers) 
    24174 File
    24175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24176 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24177 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24178 File
    24179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24180 packages/chimerax/core/session.py", line 943, in <lambda> 
    24181 logger.report_exception(preface=preface)) 
    24182 File
    24183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24184 packages/chimerax/core/logger.py", line 421, in report_exception 
    24185 elif probably_chimera1_session(exc_info): 
    24186 File
    24187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24188 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24189 etype, evalue, etraceback = exc_info 
    24190 TypeError: cannot unpack non-iterable NoneType object 
    24191  
    24192 TypeError: cannot unpack non-iterable NoneType object 
    24193  
    24194 File
    24195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24196 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24197 etype, evalue, etraceback = exc_info 
    24198  
    24199 See log for complete Python traceback. 
    24200  
    24201 Traceback (most recent call last): 
    24202 File
    24203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24204 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24205 return self._func(self._name, data) 
    24206 File
    24207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24208 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24209 if v.display: 
    24210 File
    24211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24212 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24213 return self._any_displayed_positions and len(self._positions) > 0 
    24214 TypeError: object of type 'NoneType' has no len() 
    24215  
    24216 During handling of the above exception, another exception occurred: 
    24217  
    24218 Traceback (most recent call last): 
    24219 File
    24220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24221 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24222 if not self.draw_new_frame(): 
    24223 File
    24224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24225 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24226 changed = view.check_for_drawing_change() 
    24227 File
    24228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24229 packages/chimerax/core/graphics/view.py", line 252, in
    24230 check_for_drawing_change 
    24231 trig.activate_trigger('graphics update', self) 
    24232 File
    24233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24234 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24235 trigger.activate(data) 
    24236 File
    24237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24238 packages/chimerax/core/triggerset.py", line 190, in activate 
    24239 ret = handler.invoke(data, self._remove_bad_handlers) 
    24240 File
    24241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24242 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24243 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24244 File
    24245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24246 packages/chimerax/core/session.py", line 943, in <lambda> 
    24247 logger.report_exception(preface=preface)) 
    24248 File
    24249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24250 packages/chimerax/core/logger.py", line 421, in report_exception 
    24251 elif probably_chimera1_session(exc_info): 
    24252 File
    24253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24254 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24255 etype, evalue, etraceback = exc_info 
    24256 TypeError: cannot unpack non-iterable NoneType object 
    24257  
    24258 TypeError: cannot unpack non-iterable NoneType object 
    24259  
    24260 File
    24261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24262 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24263 etype, evalue, etraceback = exc_info 
    24264  
    24265 See log for complete Python traceback. 
    24266  
    24267 Traceback (most recent call last): 
    24268 File
    24269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24270 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24271 return self._func(self._name, data) 
    24272 File
    24273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24274 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24275 if v.display: 
    24276 File
    24277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24278 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24279 return self._any_displayed_positions and len(self._positions) > 0 
    24280 TypeError: object of type 'NoneType' has no len() 
    24281  
    24282 During handling of the above exception, another exception occurred: 
    24283  
    24284 Traceback (most recent call last): 
    24285 File
    24286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24287 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24288 if not self.draw_new_frame(): 
    24289 File
    24290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24291 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24292 changed = view.check_for_drawing_change() 
    24293 File
    24294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24295 packages/chimerax/core/graphics/view.py", line 252, in
    24296 check_for_drawing_change 
    24297 trig.activate_trigger('graphics update', self) 
    24298 File
    24299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24300 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24301 trigger.activate(data) 
    24302 File
    24303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24304 packages/chimerax/core/triggerset.py", line 190, in activate 
    24305 ret = handler.invoke(data, self._remove_bad_handlers) 
    24306 File
    24307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24308 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24309 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24310 File
    24311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24312 packages/chimerax/core/session.py", line 943, in <lambda> 
    24313 logger.report_exception(preface=preface)) 
    24314 File
    24315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24316 packages/chimerax/core/logger.py", line 421, in report_exception 
    24317 elif probably_chimera1_session(exc_info): 
    24318 File
    24319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24320 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24321 etype, evalue, etraceback = exc_info 
    24322 TypeError: cannot unpack non-iterable NoneType object 
    24323  
    24324 TypeError: cannot unpack non-iterable NoneType object 
    24325  
    24326 File
    24327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24328 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24329 etype, evalue, etraceback = exc_info 
    24330  
    24331 See log for complete Python traceback. 
    24332  
    24333 Traceback (most recent call last): 
    24334 File
    24335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24336 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24337 return self._func(self._name, data) 
    24338 File
    24339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24340 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24341 if v.display: 
    24342 File
    24343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24344 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24345 return self._any_displayed_positions and len(self._positions) > 0 
    24346 TypeError: object of type 'NoneType' has no len() 
    24347  
    24348 During handling of the above exception, another exception occurred: 
    24349  
    24350 Traceback (most recent call last): 
    24351 File
    24352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24353 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24354 if not self.draw_new_frame(): 
    24355 File
    24356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24357 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24358 changed = view.check_for_drawing_change() 
    24359 File
    24360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24361 packages/chimerax/core/graphics/view.py", line 252, in
    24362 check_for_drawing_change 
    24363 trig.activate_trigger('graphics update', self) 
    24364 File
    24365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24366 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24367 trigger.activate(data) 
    24368 File
    24369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24370 packages/chimerax/core/triggerset.py", line 190, in activate 
    24371 ret = handler.invoke(data, self._remove_bad_handlers) 
    24372 File
    24373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24374 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24375 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24376 File
    24377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24378 packages/chimerax/core/session.py", line 943, in <lambda> 
    24379 logger.report_exception(preface=preface)) 
    24380 File
    24381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24382 packages/chimerax/core/logger.py", line 421, in report_exception 
    24383 elif probably_chimera1_session(exc_info): 
    24384 File
    24385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24386 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24387 etype, evalue, etraceback = exc_info 
    24388 TypeError: cannot unpack non-iterable NoneType object 
    24389  
    24390 TypeError: cannot unpack non-iterable NoneType object 
    24391  
    24392 File
    24393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24394 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24395 etype, evalue, etraceback = exc_info 
    24396  
    24397 See log for complete Python traceback. 
    24398  
    24399 Traceback (most recent call last): 
    24400 File
    24401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24402 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24403 return self._func(self._name, data) 
    24404 File
    24405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24406 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24407 if v.display: 
    24408 File
    24409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24410 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24411 return self._any_displayed_positions and len(self._positions) > 0 
    24412 TypeError: object of type 'NoneType' has no len() 
    24413  
    24414 During handling of the above exception, another exception occurred: 
    24415  
    24416 Traceback (most recent call last): 
    24417 File
    24418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24419 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24420 if not self.draw_new_frame(): 
    24421 File
    24422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24423 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24424 changed = view.check_for_drawing_change() 
    24425 File
    24426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24427 packages/chimerax/core/graphics/view.py", line 252, in
    24428 check_for_drawing_change 
    24429 trig.activate_trigger('graphics update', self) 
    24430 File
    24431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24432 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24433 trigger.activate(data) 
    24434 File
    24435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24436 packages/chimerax/core/triggerset.py", line 190, in activate 
    24437 ret = handler.invoke(data, self._remove_bad_handlers) 
    24438 File
    24439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24440 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24441 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24442 File
    24443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24444 packages/chimerax/core/session.py", line 943, in <lambda> 
    24445 logger.report_exception(preface=preface)) 
    24446 File
    24447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24448 packages/chimerax/core/logger.py", line 421, in report_exception 
    24449 elif probably_chimera1_session(exc_info): 
    24450 File
    24451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24452 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24453 etype, evalue, etraceback = exc_info 
    24454 TypeError: cannot unpack non-iterable NoneType object 
    24455  
    24456 TypeError: cannot unpack non-iterable NoneType object 
    24457  
    24458 File
    24459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24460 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24461 etype, evalue, etraceback = exc_info 
    24462  
    24463 See log for complete Python traceback. 
    24464  
    24465 Traceback (most recent call last): 
    24466 File
    24467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24469 return self._func(self._name, data) 
    24470 File
    24471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24472 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24473 if v.display: 
    24474 File
    24475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24476 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24477 return self._any_displayed_positions and len(self._positions) > 0 
    24478 TypeError: object of type 'NoneType' has no len() 
    24479  
    24480 During handling of the above exception, another exception occurred: 
    24481  
    24482 Traceback (most recent call last): 
    24483 File
    24484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24485 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24486 if not self.draw_new_frame(): 
    24487 File
    24488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24489 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24490 changed = view.check_for_drawing_change() 
    24491 File
    24492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24493 packages/chimerax/core/graphics/view.py", line 252, in
    24494 check_for_drawing_change 
    24495 trig.activate_trigger('graphics update', self) 
    24496 File
    24497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24498 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24499 trigger.activate(data) 
    24500 File
    24501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24502 packages/chimerax/core/triggerset.py", line 190, in activate 
    24503 ret = handler.invoke(data, self._remove_bad_handlers) 
    24504 File
    24505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24506 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24507 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24508 File
    24509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24510 packages/chimerax/core/session.py", line 943, in <lambda> 
    24511 logger.report_exception(preface=preface)) 
    24512 File
    24513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24514 packages/chimerax/core/logger.py", line 421, in report_exception 
    24515 elif probably_chimera1_session(exc_info): 
    24516 File
    24517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24518 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24519 etype, evalue, etraceback = exc_info 
    24520 TypeError: cannot unpack non-iterable NoneType object 
    24521  
    24522 TypeError: cannot unpack non-iterable NoneType object 
    24523  
    24524 File
    24525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24526 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24527 etype, evalue, etraceback = exc_info 
    24528  
    24529 See log for complete Python traceback. 
    24530  
    24531 Traceback (most recent call last): 
    24532 File
    24533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24534 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24535 return self._func(self._name, data) 
    24536 File
    24537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24538 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24539 if v.display: 
    24540 File
    24541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24542 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24543 return self._any_displayed_positions and len(self._positions) > 0 
    24544 TypeError: object of type 'NoneType' has no len() 
    24545  
    24546 During handling of the above exception, another exception occurred: 
    24547  
    24548 Traceback (most recent call last): 
    24549 File
    24550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24551 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24552 if not self.draw_new_frame(): 
    24553 File
    24554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24555 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24556 changed = view.check_for_drawing_change() 
    24557 File
    24558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24559 packages/chimerax/core/graphics/view.py", line 252, in
    24560 check_for_drawing_change 
    24561 trig.activate_trigger('graphics update', self) 
    24562 File
    24563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24564 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24565 trigger.activate(data) 
    24566 File
    24567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24568 packages/chimerax/core/triggerset.py", line 190, in activate 
    24569 ret = handler.invoke(data, self._remove_bad_handlers) 
    24570 File
    24571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24572 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24573 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24574 File
    24575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24576 packages/chimerax/core/session.py", line 943, in <lambda> 
    24577 logger.report_exception(preface=preface)) 
    24578 File
    24579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24580 packages/chimerax/core/logger.py", line 421, in report_exception 
    24581 elif probably_chimera1_session(exc_info): 
    24582 File
    24583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24584 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24585 etype, evalue, etraceback = exc_info 
    24586 TypeError: cannot unpack non-iterable NoneType object 
    24587  
    24588 TypeError: cannot unpack non-iterable NoneType object 
    24589  
    24590 File
    24591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24592 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24593 etype, evalue, etraceback = exc_info 
    24594  
    24595 See log for complete Python traceback. 
    24596  
    24597 Traceback (most recent call last): 
    24598 File
    24599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24600 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24601 return self._func(self._name, data) 
    24602 File
    24603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24604 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24605 if v.display: 
    24606 File
    24607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24608 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24609 return self._any_displayed_positions and len(self._positions) > 0 
    24610 TypeError: object of type 'NoneType' has no len() 
    24611  
    24612 During handling of the above exception, another exception occurred: 
    24613  
    24614 Traceback (most recent call last): 
    24615 File
    24616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24617 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24618 if not self.draw_new_frame(): 
    24619 File
    24620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24621 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24622 changed = view.check_for_drawing_change() 
    24623 File
    24624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24625 packages/chimerax/core/graphics/view.py", line 252, in
    24626 check_for_drawing_change 
    24627 trig.activate_trigger('graphics update', self) 
    24628 File
    24629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24630 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24631 trigger.activate(data) 
    24632 File
    24633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24634 packages/chimerax/core/triggerset.py", line 190, in activate 
    24635 ret = handler.invoke(data, self._remove_bad_handlers) 
    24636 File
    24637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24638 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24639 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24640 File
    24641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24642 packages/chimerax/core/session.py", line 943, in <lambda> 
    24643 logger.report_exception(preface=preface)) 
    24644 File
    24645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24646 packages/chimerax/core/logger.py", line 421, in report_exception 
    24647 elif probably_chimera1_session(exc_info): 
    24648 File
    24649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24650 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24651 etype, evalue, etraceback = exc_info 
    24652 TypeError: cannot unpack non-iterable NoneType object 
    24653  
    24654 TypeError: cannot unpack non-iterable NoneType object 
    24655  
    24656 File
    24657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24658 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24659 etype, evalue, etraceback = exc_info 
    24660  
    24661 See log for complete Python traceback. 
    24662  
    24663 Traceback (most recent call last): 
    24664 File
    24665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24666 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24667 return self._func(self._name, data) 
    24668 File
    24669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24670 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24671 if v.display: 
    24672 File
    24673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24674 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24675 return self._any_displayed_positions and len(self._positions) > 0 
    24676 TypeError: object of type 'NoneType' has no len() 
    24677  
    24678 During handling of the above exception, another exception occurred: 
    24679  
    24680 Traceback (most recent call last): 
    24681 File
    24682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24683 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24684 if not self.draw_new_frame(): 
    24685 File
    24686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24687 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24688 changed = view.check_for_drawing_change() 
    24689 File
    24690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24691 packages/chimerax/core/graphics/view.py", line 252, in
    24692 check_for_drawing_change 
    24693 trig.activate_trigger('graphics update', self) 
    24694 File
    24695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24696 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24697 trigger.activate(data) 
    24698 File
    24699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24700 packages/chimerax/core/triggerset.py", line 190, in activate 
    24701 ret = handler.invoke(data, self._remove_bad_handlers) 
    24702 File
    24703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24704 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24705 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24706 File
    24707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24708 packages/chimerax/core/session.py", line 943, in <lambda> 
    24709 logger.report_exception(preface=preface)) 
    24710 File
    24711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24712 packages/chimerax/core/logger.py", line 421, in report_exception 
    24713 elif probably_chimera1_session(exc_info): 
    24714 File
    24715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24716 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24717 etype, evalue, etraceback = exc_info 
    24718 TypeError: cannot unpack non-iterable NoneType object 
    24719  
    24720 TypeError: cannot unpack non-iterable NoneType object 
    24721  
    24722 File
    24723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24724 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24725 etype, evalue, etraceback = exc_info 
    24726  
    24727 See log for complete Python traceback. 
    24728  
    24729 Traceback (most recent call last): 
    24730 File
    24731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24732 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24733 return self._func(self._name, data) 
    24734 File
    24735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24736 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24737 if v.display: 
    24738 File
    24739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24740 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24741 return self._any_displayed_positions and len(self._positions) > 0 
    24742 TypeError: object of type 'NoneType' has no len() 
    24743  
    24744 During handling of the above exception, another exception occurred: 
    24745  
    24746 Traceback (most recent call last): 
    24747 File
    24748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24749 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24750 if not self.draw_new_frame(): 
    24751 File
    24752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24753 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24754 changed = view.check_for_drawing_change() 
    24755 File
    24756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24757 packages/chimerax/core/graphics/view.py", line 252, in
    24758 check_for_drawing_change 
    24759 trig.activate_trigger('graphics update', self) 
    24760 File
    24761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24762 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24763 trigger.activate(data) 
    24764 File
    24765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24766 packages/chimerax/core/triggerset.py", line 190, in activate 
    24767 ret = handler.invoke(data, self._remove_bad_handlers) 
    24768 File
    24769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24770 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24771 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24772 File
    24773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24774 packages/chimerax/core/session.py", line 943, in <lambda> 
    24775 logger.report_exception(preface=preface)) 
    24776 File
    24777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24778 packages/chimerax/core/logger.py", line 421, in report_exception 
    24779 elif probably_chimera1_session(exc_info): 
    24780 File
    24781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24782 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24783 etype, evalue, etraceback = exc_info 
    24784 TypeError: cannot unpack non-iterable NoneType object 
    24785  
    24786 TypeError: cannot unpack non-iterable NoneType object 
    24787  
    24788 File
    24789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24790 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24791 etype, evalue, etraceback = exc_info 
    24792  
    24793 See log for complete Python traceback. 
    24794  
    24795 Traceback (most recent call last): 
    24796 File
    24797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24798 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24799 return self._func(self._name, data) 
    24800 File
    24801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24802 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24803 if v.display: 
    24804 File
    24805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24806 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24807 return self._any_displayed_positions and len(self._positions) > 0 
    24808 TypeError: object of type 'NoneType' has no len() 
    24809  
    24810 During handling of the above exception, another exception occurred: 
    24811  
    24812 Traceback (most recent call last): 
    24813 File
    24814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24815 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24816 if not self.draw_new_frame(): 
    24817 File
    24818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24819 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24820 changed = view.check_for_drawing_change() 
    24821 File
    24822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24823 packages/chimerax/core/graphics/view.py", line 252, in
    24824 check_for_drawing_change 
    24825 trig.activate_trigger('graphics update', self) 
    24826 File
    24827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24828 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24829 trigger.activate(data) 
    24830 File
    24831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24832 packages/chimerax/core/triggerset.py", line 190, in activate 
    24833 ret = handler.invoke(data, self._remove_bad_handlers) 
    24834 File
    24835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24836 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24837 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24838 File
    24839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24840 packages/chimerax/core/session.py", line 943, in <lambda> 
    24841 logger.report_exception(preface=preface)) 
    24842 File
    24843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24844 packages/chimerax/core/logger.py", line 421, in report_exception 
    24845 elif probably_chimera1_session(exc_info): 
    24846 File
    24847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24848 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24849 etype, evalue, etraceback = exc_info 
    24850 TypeError: cannot unpack non-iterable NoneType object 
    24851  
    24852 TypeError: cannot unpack non-iterable NoneType object 
    24853  
    24854 File
    24855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24856 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24857 etype, evalue, etraceback = exc_info 
    24858  
    24859 See log for complete Python traceback. 
    24860  
    24861 Traceback (most recent call last): 
    24862 File
    24863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24864 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24865 return self._func(self._name, data) 
    24866 File
    24867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24868 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24869 if v.display: 
    24870 File
    24871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24872 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24873 return self._any_displayed_positions and len(self._positions) > 0 
    24874 TypeError: object of type 'NoneType' has no len() 
    24875  
    24876 During handling of the above exception, another exception occurred: 
    24877  
    24878 Traceback (most recent call last): 
    24879 File
    24880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24881 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24882 if not self.draw_new_frame(): 
    24883 File
    24884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24885 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24886 changed = view.check_for_drawing_change() 
    24887 File
    24888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24889 packages/chimerax/core/graphics/view.py", line 252, in
    24890 check_for_drawing_change 
    24891 trig.activate_trigger('graphics update', self) 
    24892 File
    24893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24894 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24895 trigger.activate(data) 
    24896 File
    24897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24898 packages/chimerax/core/triggerset.py", line 190, in activate 
    24899 ret = handler.invoke(data, self._remove_bad_handlers) 
    24900 File
    24901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24902 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24903 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24904 File
    24905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24906 packages/chimerax/core/session.py", line 943, in <lambda> 
    24907 logger.report_exception(preface=preface)) 
    24908 File
    24909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24910 packages/chimerax/core/logger.py", line 421, in report_exception 
    24911 elif probably_chimera1_session(exc_info): 
    24912 File
    24913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24914 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24915 etype, evalue, etraceback = exc_info 
    24916 TypeError: cannot unpack non-iterable NoneType object 
    24917  
    24918 TypeError: cannot unpack non-iterable NoneType object 
    24919  
    24920 File
    24921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24922 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24923 etype, evalue, etraceback = exc_info 
    24924  
    24925 See log for complete Python traceback. 
    24926  
    24927 Traceback (most recent call last): 
    24928 File
    24929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24930 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24931 return self._func(self._name, data) 
    24932 File
    24933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24934 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    24935 if v.display: 
    24936 File
    24937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24938 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    24939 return self._any_displayed_positions and len(self._positions) > 0 
    24940 TypeError: object of type 'NoneType' has no len() 
    24941  
    24942 During handling of the above exception, another exception occurred: 
    24943  
    24944 Traceback (most recent call last): 
    24945 File
    24946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24947 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    24948 if not self.draw_new_frame(): 
    24949 File
    24950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24951 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    24952 changed = view.check_for_drawing_change() 
    24953 File
    24954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24955 packages/chimerax/core/graphics/view.py", line 252, in
    24956 check_for_drawing_change 
    24957 trig.activate_trigger('graphics update', self) 
    24958 File
    24959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24960 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    24961 trigger.activate(data) 
    24962 File
    24963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24964 packages/chimerax/core/triggerset.py", line 190, in activate 
    24965 ret = handler.invoke(data, self._remove_bad_handlers) 
    24966 File
    24967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24968 packages/chimerax/core/triggerset.py", line 132, in invoke 
    24969 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    24970 File
    24971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24972 packages/chimerax/core/session.py", line 943, in <lambda> 
    24973 logger.report_exception(preface=preface)) 
    24974 File
    24975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24976 packages/chimerax/core/logger.py", line 421, in report_exception 
    24977 elif probably_chimera1_session(exc_info): 
    24978 File
    24979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24980 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24981 etype, evalue, etraceback = exc_info 
    24982 TypeError: cannot unpack non-iterable NoneType object 
    24983  
    24984 TypeError: cannot unpack non-iterable NoneType object 
    24985  
    24986 File
    24987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24988 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    24989 etype, evalue, etraceback = exc_info 
    24990  
    24991 See log for complete Python traceback. 
    24992  
    24993 Traceback (most recent call last): 
    24994 File
    24995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    24996 packages/chimerax/core/triggerset.py", line 130, in invoke 
    24997 return self._func(self._name, data) 
    24998 File
    24999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25000 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25001 if v.display: 
    25002 File
    25003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25004 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25005 return self._any_displayed_positions and len(self._positions) > 0 
    25006 TypeError: object of type 'NoneType' has no len() 
    25007  
    25008 During handling of the above exception, another exception occurred: 
    25009  
    25010 Traceback (most recent call last): 
    25011 File
    25012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25013 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25014 if not self.draw_new_frame(): 
    25015 File
    25016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25017 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25018 changed = view.check_for_drawing_change() 
    25019 File
    25020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25021 packages/chimerax/core/graphics/view.py", line 252, in
    25022 check_for_drawing_change 
    25023 trig.activate_trigger('graphics update', self) 
    25024 File
    25025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25026 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25027 trigger.activate(data) 
    25028 File
    25029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25030 packages/chimerax/core/triggerset.py", line 190, in activate 
    25031 ret = handler.invoke(data, self._remove_bad_handlers) 
    25032 File
    25033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25034 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25035 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25036 File
    25037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25038 packages/chimerax/core/session.py", line 943, in <lambda> 
    25039 logger.report_exception(preface=preface)) 
    25040 File
    25041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25042 packages/chimerax/core/logger.py", line 421, in report_exception 
    25043 elif probably_chimera1_session(exc_info): 
    25044 File
    25045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25046 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25047 etype, evalue, etraceback = exc_info 
    25048 TypeError: cannot unpack non-iterable NoneType object 
    25049  
    25050 TypeError: cannot unpack non-iterable NoneType object 
    25051  
    25052 File
    25053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25054 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25055 etype, evalue, etraceback = exc_info 
    25056  
    25057 See log for complete Python traceback. 
    25058  
    25059 Traceback (most recent call last): 
    25060 File
    25061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25062 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25063 return self._func(self._name, data) 
    25064 File
    25065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25066 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25067 if v.display: 
    25068 File
    25069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25070 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25071 return self._any_displayed_positions and len(self._positions) > 0 
    25072 TypeError: object of type 'NoneType' has no len() 
    25073  
    25074 During handling of the above exception, another exception occurred: 
    25075  
    25076 Traceback (most recent call last): 
    25077 File
    25078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25079 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25080 if not self.draw_new_frame(): 
    25081 File
    25082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25083 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25084 changed = view.check_for_drawing_change() 
    25085 File
    25086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25087 packages/chimerax/core/graphics/view.py", line 252, in
    25088 check_for_drawing_change 
    25089 trig.activate_trigger('graphics update', self) 
    25090 File
    25091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25092 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25093 trigger.activate(data) 
    25094 File
    25095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25096 packages/chimerax/core/triggerset.py", line 190, in activate 
    25097 ret = handler.invoke(data, self._remove_bad_handlers) 
    25098 File
    25099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25100 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25101 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25102 File
    25103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25104 packages/chimerax/core/session.py", line 943, in <lambda> 
    25105 logger.report_exception(preface=preface)) 
    25106 File
    25107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25108 packages/chimerax/core/logger.py", line 421, in report_exception 
    25109 elif probably_chimera1_session(exc_info): 
    25110 File
    25111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25112 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25113 etype, evalue, etraceback = exc_info 
    25114 TypeError: cannot unpack non-iterable NoneType object 
    25115  
    25116 TypeError: cannot unpack non-iterable NoneType object 
    25117  
    25118 File
    25119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25120 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25121 etype, evalue, etraceback = exc_info 
    25122  
    25123 See log for complete Python traceback. 
    25124  
    25125 Traceback (most recent call last): 
    25126 File
    25127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25128 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25129 return self._func(self._name, data) 
    25130 File
    25131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25132 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25133 if v.display: 
    25134 File
    25135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25136 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25137 return self._any_displayed_positions and len(self._positions) > 0 
    25138 TypeError: object of type 'NoneType' has no len() 
    25139  
    25140 During handling of the above exception, another exception occurred: 
    25141  
    25142 Traceback (most recent call last): 
    25143 File
    25144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25145 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25146 if not self.draw_new_frame(): 
    25147 File
    25148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25149 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25150 changed = view.check_for_drawing_change() 
    25151 File
    25152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25153 packages/chimerax/core/graphics/view.py", line 252, in
    25154 check_for_drawing_change 
    25155 trig.activate_trigger('graphics update', self) 
    25156 File
    25157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25158 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25159 trigger.activate(data) 
    25160 File
    25161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25162 packages/chimerax/core/triggerset.py", line 190, in activate 
    25163 ret = handler.invoke(data, self._remove_bad_handlers) 
    25164 File
    25165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25166 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25167 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25168 File
    25169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25170 packages/chimerax/core/session.py", line 943, in <lambda> 
    25171 logger.report_exception(preface=preface)) 
    25172 File
    25173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25174 packages/chimerax/core/logger.py", line 421, in report_exception 
    25175 elif probably_chimera1_session(exc_info): 
    25176 File
    25177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25178 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25179 etype, evalue, etraceback = exc_info 
    25180 TypeError: cannot unpack non-iterable NoneType object 
    25181  
    25182 TypeError: cannot unpack non-iterable NoneType object 
    25183  
    25184 File
    25185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25186 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25187 etype, evalue, etraceback = exc_info 
    25188  
    25189 See log for complete Python traceback. 
    25190  
    25191 Traceback (most recent call last): 
    25192 File
    25193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25194 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25195 return self._func(self._name, data) 
    25196 File
    25197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25198 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25199 if v.display: 
    25200 File
    25201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25202 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25203 return self._any_displayed_positions and len(self._positions) > 0 
    25204 TypeError: object of type 'NoneType' has no len() 
    25205  
    25206 During handling of the above exception, another exception occurred: 
    25207  
    25208 Traceback (most recent call last): 
    25209 File
    25210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25211 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25212 if not self.draw_new_frame(): 
    25213 File
    25214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25215 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25216 changed = view.check_for_drawing_change() 
    25217 File
    25218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25219 packages/chimerax/core/graphics/view.py", line 252, in
    25220 check_for_drawing_change 
    25221 trig.activate_trigger('graphics update', self) 
    25222 File
    25223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25224 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25225 trigger.activate(data) 
    25226 File
    25227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25228 packages/chimerax/core/triggerset.py", line 190, in activate 
    25229 ret = handler.invoke(data, self._remove_bad_handlers) 
    25230 File
    25231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25232 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25233 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25234 File
    25235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25236 packages/chimerax/core/session.py", line 943, in <lambda> 
    25237 logger.report_exception(preface=preface)) 
    25238 File
    25239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25240 packages/chimerax/core/logger.py", line 421, in report_exception 
    25241 elif probably_chimera1_session(exc_info): 
    25242 File
    25243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25244 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25245 etype, evalue, etraceback = exc_info 
    25246 TypeError: cannot unpack non-iterable NoneType object 
    25247  
    25248 TypeError: cannot unpack non-iterable NoneType object 
    25249  
    25250 File
    25251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25252 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25253 etype, evalue, etraceback = exc_info 
    25254  
    25255 See log for complete Python traceback. 
    25256  
    25257 Traceback (most recent call last): 
    25258 File
    25259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25260 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25261 return self._func(self._name, data) 
    25262 File
    25263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25264 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25265 if v.display: 
    25266 File
    25267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25268 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25269 return self._any_displayed_positions and len(self._positions) > 0 
    25270 TypeError: object of type 'NoneType' has no len() 
    25271  
    25272 During handling of the above exception, another exception occurred: 
    25273  
    25274 Traceback (most recent call last): 
    25275 File
    25276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25277 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25278 if not self.draw_new_frame(): 
    25279 File
    25280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25281 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25282 changed = view.check_for_drawing_change() 
    25283 File
    25284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25285 packages/chimerax/core/graphics/view.py", line 252, in
    25286 check_for_drawing_change 
    25287 trig.activate_trigger('graphics update', self) 
    25288 File
    25289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25290 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25291 trigger.activate(data) 
    25292 File
    25293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25294 packages/chimerax/core/triggerset.py", line 190, in activate 
    25295 ret = handler.invoke(data, self._remove_bad_handlers) 
    25296 File
    25297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25298 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25299 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25300 File
    25301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25302 packages/chimerax/core/session.py", line 943, in <lambda> 
    25303 logger.report_exception(preface=preface)) 
    25304 File
    25305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25306 packages/chimerax/core/logger.py", line 421, in report_exception 
    25307 elif probably_chimera1_session(exc_info): 
    25308 File
    25309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25310 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25311 etype, evalue, etraceback = exc_info 
    25312 TypeError: cannot unpack non-iterable NoneType object 
    25313  
    25314 TypeError: cannot unpack non-iterable NoneType object 
    25315  
    25316 File
    25317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25318 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25319 etype, evalue, etraceback = exc_info 
    25320  
    25321 See log for complete Python traceback. 
    25322  
    25323 Traceback (most recent call last): 
    25324 File
    25325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25326 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25327 return self._func(self._name, data) 
    25328 File
    25329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25330 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25331 if v.display: 
    25332 File
    25333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25334 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25335 return self._any_displayed_positions and len(self._positions) > 0 
    25336 TypeError: object of type 'NoneType' has no len() 
    25337  
    25338 During handling of the above exception, another exception occurred: 
    25339  
    25340 Traceback (most recent call last): 
    25341 File
    25342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25343 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25344 if not self.draw_new_frame(): 
    25345 File
    25346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25347 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25348 changed = view.check_for_drawing_change() 
    25349 File
    25350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25351 packages/chimerax/core/graphics/view.py", line 252, in
    25352 check_for_drawing_change 
    25353 trig.activate_trigger('graphics update', self) 
    25354 File
    25355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25356 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25357 trigger.activate(data) 
    25358 File
    25359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25360 packages/chimerax/core/triggerset.py", line 190, in activate 
    25361 ret = handler.invoke(data, self._remove_bad_handlers) 
    25362 File
    25363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25364 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25365 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25366 File
    25367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25368 packages/chimerax/core/session.py", line 943, in <lambda> 
    25369 logger.report_exception(preface=preface)) 
    25370 File
    25371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25372 packages/chimerax/core/logger.py", line 421, in report_exception 
    25373 elif probably_chimera1_session(exc_info): 
    25374 File
    25375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25376 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25377 etype, evalue, etraceback = exc_info 
    25378 TypeError: cannot unpack non-iterable NoneType object 
    25379  
    25380 TypeError: cannot unpack non-iterable NoneType object 
    25381  
    25382 File
    25383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25384 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25385 etype, evalue, etraceback = exc_info 
    25386  
    25387 See log for complete Python traceback. 
    25388  
    25389 Traceback (most recent call last): 
    25390 File
    25391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25392 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25393 return self._func(self._name, data) 
    25394 File
    25395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25396 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25397 if v.display: 
    25398 File
    25399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25400 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25401 return self._any_displayed_positions and len(self._positions) > 0 
    25402 TypeError: object of type 'NoneType' has no len() 
    25403  
    25404 During handling of the above exception, another exception occurred: 
    25405  
    25406 Traceback (most recent call last): 
    25407 File
    25408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25409 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25410 if not self.draw_new_frame(): 
    25411 File
    25412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25413 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25414 changed = view.check_for_drawing_change() 
    25415 File
    25416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25417 packages/chimerax/core/graphics/view.py", line 252, in
    25418 check_for_drawing_change 
    25419 trig.activate_trigger('graphics update', self) 
    25420 File
    25421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25422 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25423 trigger.activate(data) 
    25424 File
    25425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25426 packages/chimerax/core/triggerset.py", line 190, in activate 
    25427 ret = handler.invoke(data, self._remove_bad_handlers) 
    25428 File
    25429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25430 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25431 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25432 File
    25433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25434 packages/chimerax/core/session.py", line 943, in <lambda> 
    25435 logger.report_exception(preface=preface)) 
    25436 File
    25437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25438 packages/chimerax/core/logger.py", line 421, in report_exception 
    25439 elif probably_chimera1_session(exc_info): 
    25440 File
    25441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25442 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25443 etype, evalue, etraceback = exc_info 
    25444 TypeError: cannot unpack non-iterable NoneType object 
    25445  
    25446 TypeError: cannot unpack non-iterable NoneType object 
    25447  
    25448 File
    25449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25450 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25451 etype, evalue, etraceback = exc_info 
    25452  
    25453 See log for complete Python traceback. 
    25454  
    25455 Traceback (most recent call last): 
    25456 File
    25457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25458 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25459 return self._func(self._name, data) 
    25460 File
    25461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25462 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25463 if v.display: 
    25464 File
    25465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25466 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25467 return self._any_displayed_positions and len(self._positions) > 0 
    25468 TypeError: object of type 'NoneType' has no len() 
    25469  
    25470 During handling of the above exception, another exception occurred: 
    25471  
    25472 Traceback (most recent call last): 
    25473 File
    25474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25475 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25476 if not self.draw_new_frame(): 
    25477 File
    25478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25479 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25480 changed = view.check_for_drawing_change() 
    25481 File
    25482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25483 packages/chimerax/core/graphics/view.py", line 252, in
    25484 check_for_drawing_change 
    25485 trig.activate_trigger('graphics update', self) 
    25486 File
    25487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25488 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25489 trigger.activate(data) 
    25490 File
    25491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25492 packages/chimerax/core/triggerset.py", line 190, in activate 
    25493 ret = handler.invoke(data, self._remove_bad_handlers) 
    25494 File
    25495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25496 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25497 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25498 File
    25499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25500 packages/chimerax/core/session.py", line 943, in <lambda> 
    25501 logger.report_exception(preface=preface)) 
    25502 File
    25503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25504 packages/chimerax/core/logger.py", line 421, in report_exception 
    25505 elif probably_chimera1_session(exc_info): 
    25506 File
    25507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25508 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25509 etype, evalue, etraceback = exc_info 
    25510 TypeError: cannot unpack non-iterable NoneType object 
    25511  
    25512 TypeError: cannot unpack non-iterable NoneType object 
    25513  
    25514 File
    25515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25516 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25517 etype, evalue, etraceback = exc_info 
    25518  
    25519 See log for complete Python traceback. 
    25520  
    25521 Traceback (most recent call last): 
    25522 File
    25523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25524 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25525 return self._func(self._name, data) 
    25526 File
    25527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25528 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25529 if v.display: 
    25530 File
    25531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25532 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25533 return self._any_displayed_positions and len(self._positions) > 0 
    25534 TypeError: object of type 'NoneType' has no len() 
    25535  
    25536 During handling of the above exception, another exception occurred: 
    25537  
    25538 Traceback (most recent call last): 
    25539 File
    25540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25541 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25542 if not self.draw_new_frame(): 
    25543 File
    25544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25545 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25546 changed = view.check_for_drawing_change() 
    25547 File
    25548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25549 packages/chimerax/core/graphics/view.py", line 252, in
    25550 check_for_drawing_change 
    25551 trig.activate_trigger('graphics update', self) 
    25552 File
    25553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25554 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25555 trigger.activate(data) 
    25556 File
    25557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25558 packages/chimerax/core/triggerset.py", line 190, in activate 
    25559 ret = handler.invoke(data, self._remove_bad_handlers) 
    25560 File
    25561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25562 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25563 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25564 File
    25565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25566 packages/chimerax/core/session.py", line 943, in <lambda> 
    25567 logger.report_exception(preface=preface)) 
    25568 File
    25569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25570 packages/chimerax/core/logger.py", line 421, in report_exception 
    25571 elif probably_chimera1_session(exc_info): 
    25572 File
    25573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25574 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25575 etype, evalue, etraceback = exc_info 
    25576 TypeError: cannot unpack non-iterable NoneType object 
    25577  
    25578 TypeError: cannot unpack non-iterable NoneType object 
    25579  
    25580 File
    25581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25582 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25583 etype, evalue, etraceback = exc_info 
    25584  
    25585 See log for complete Python traceback. 
    25586  
    25587 Traceback (most recent call last): 
    25588 File
    25589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25590 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25591 return self._func(self._name, data) 
    25592 File
    25593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25594 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25595 if v.display: 
    25596 File
    25597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25598 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25599 return self._any_displayed_positions and len(self._positions) > 0 
    25600 TypeError: object of type 'NoneType' has no len() 
    25601  
    25602 During handling of the above exception, another exception occurred: 
    25603  
    25604 Traceback (most recent call last): 
    25605 File
    25606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25607 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25608 if not self.draw_new_frame(): 
    25609 File
    25610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25611 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25612 changed = view.check_for_drawing_change() 
    25613 File
    25614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25615 packages/chimerax/core/graphics/view.py", line 252, in
    25616 check_for_drawing_change 
    25617 trig.activate_trigger('graphics update', self) 
    25618 File
    25619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25620 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25621 trigger.activate(data) 
    25622 File
    25623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25624 packages/chimerax/core/triggerset.py", line 190, in activate 
    25625 ret = handler.invoke(data, self._remove_bad_handlers) 
    25626 File
    25627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25628 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25629 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25630 File
    25631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25632 packages/chimerax/core/session.py", line 943, in <lambda> 
    25633 logger.report_exception(preface=preface)) 
    25634 File
    25635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25636 packages/chimerax/core/logger.py", line 421, in report_exception 
    25637 elif probably_chimera1_session(exc_info): 
    25638 File
    25639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25640 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25641 etype, evalue, etraceback = exc_info 
    25642 TypeError: cannot unpack non-iterable NoneType object 
    25643  
    25644 TypeError: cannot unpack non-iterable NoneType object 
    25645  
    25646 File
    25647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25648 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25649 etype, evalue, etraceback = exc_info 
    25650  
    25651 See log for complete Python traceback. 
    25652  
    25653 Traceback (most recent call last): 
    25654 File
    25655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25656 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25657 return self._func(self._name, data) 
    25658 File
    25659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25660 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25661 if v.display: 
    25662 File
    25663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25664 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25665 return self._any_displayed_positions and len(self._positions) > 0 
    25666 TypeError: object of type 'NoneType' has no len() 
    25667  
    25668 During handling of the above exception, another exception occurred: 
    25669  
    25670 Traceback (most recent call last): 
    25671 File
    25672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25673 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25674 if not self.draw_new_frame(): 
    25675 File
    25676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25677 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25678 changed = view.check_for_drawing_change() 
    25679 File
    25680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25681 packages/chimerax/core/graphics/view.py", line 252, in
    25682 check_for_drawing_change 
    25683 trig.activate_trigger('graphics update', self) 
    25684 File
    25685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25686 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25687 trigger.activate(data) 
    25688 File
    25689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25690 packages/chimerax/core/triggerset.py", line 190, in activate 
    25691 ret = handler.invoke(data, self._remove_bad_handlers) 
    25692 File
    25693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25694 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25695 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25696 File
    25697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25698 packages/chimerax/core/session.py", line 943, in <lambda> 
    25699 logger.report_exception(preface=preface)) 
    25700 File
    25701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25702 packages/chimerax/core/logger.py", line 421, in report_exception 
    25703 elif probably_chimera1_session(exc_info): 
    25704 File
    25705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25706 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25707 etype, evalue, etraceback = exc_info 
    25708 TypeError: cannot unpack non-iterable NoneType object 
    25709  
    25710 TypeError: cannot unpack non-iterable NoneType object 
    25711  
    25712 File
    25713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25714 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25715 etype, evalue, etraceback = exc_info 
    25716  
    25717 See log for complete Python traceback. 
    25718  
    25719 Traceback (most recent call last): 
    25720 File
    25721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25722 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25723 return self._func(self._name, data) 
    25724 File
    25725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25726 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25727 if v.display: 
    25728 File
    25729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25730 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25731 return self._any_displayed_positions and len(self._positions) > 0 
    25732 TypeError: object of type 'NoneType' has no len() 
    25733  
    25734 During handling of the above exception, another exception occurred: 
    25735  
    25736 Traceback (most recent call last): 
    25737 File
    25738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25739 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25740 if not self.draw_new_frame(): 
    25741 File
    25742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25743 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25744 changed = view.check_for_drawing_change() 
    25745 File
    25746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25747 packages/chimerax/core/graphics/view.py", line 252, in
    25748 check_for_drawing_change 
    25749 trig.activate_trigger('graphics update', self) 
    25750 File
    25751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25752 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25753 trigger.activate(data) 
    25754 File
    25755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25756 packages/chimerax/core/triggerset.py", line 190, in activate 
    25757 ret = handler.invoke(data, self._remove_bad_handlers) 
    25758 File
    25759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25760 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25761 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25762 File
    25763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25764 packages/chimerax/core/session.py", line 943, in <lambda> 
    25765 logger.report_exception(preface=preface)) 
    25766 File
    25767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25768 packages/chimerax/core/logger.py", line 421, in report_exception 
    25769 elif probably_chimera1_session(exc_info): 
    25770 File
    25771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25772 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25773 etype, evalue, etraceback = exc_info 
    25774 TypeError: cannot unpack non-iterable NoneType object 
    25775  
    25776 TypeError: cannot unpack non-iterable NoneType object 
    25777  
    25778 File
    25779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25780 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25781 etype, evalue, etraceback = exc_info 
    25782  
    25783 See log for complete Python traceback. 
    25784  
    25785 Traceback (most recent call last): 
    25786 File
    25787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25788 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25789 return self._func(self._name, data) 
    25790 File
    25791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25792 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25793 if v.display: 
    25794 File
    25795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25796 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25797 return self._any_displayed_positions and len(self._positions) > 0 
    25798 TypeError: object of type 'NoneType' has no len() 
    25799  
    25800 During handling of the above exception, another exception occurred: 
    25801  
    25802 Traceback (most recent call last): 
    25803 File
    25804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25805 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25806 if not self.draw_new_frame(): 
    25807 File
    25808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25809 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25810 changed = view.check_for_drawing_change() 
    25811 File
    25812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25813 packages/chimerax/core/graphics/view.py", line 252, in
    25814 check_for_drawing_change 
    25815 trig.activate_trigger('graphics update', self) 
    25816 File
    25817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25818 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25819 trigger.activate(data) 
    25820 File
    25821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25822 packages/chimerax/core/triggerset.py", line 190, in activate 
    25823 ret = handler.invoke(data, self._remove_bad_handlers) 
    25824 File
    25825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25826 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25827 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25828 File
    25829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25830 packages/chimerax/core/session.py", line 943, in <lambda> 
    25831 logger.report_exception(preface=preface)) 
    25832 File
    25833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25834 packages/chimerax/core/logger.py", line 421, in report_exception 
    25835 elif probably_chimera1_session(exc_info): 
    25836 File
    25837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25838 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25839 etype, evalue, etraceback = exc_info 
    25840 TypeError: cannot unpack non-iterable NoneType object 
    25841  
    25842 TypeError: cannot unpack non-iterable NoneType object 
    25843  
    25844 File
    25845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25846 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25847 etype, evalue, etraceback = exc_info 
    25848  
    25849 See log for complete Python traceback. 
    25850  
    25851 Traceback (most recent call last): 
    25852 File
    25853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25854 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25855 return self._func(self._name, data) 
    25856 File
    25857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25858 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25859 if v.display: 
    25860 File
    25861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25862 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25863 return self._any_displayed_positions and len(self._positions) > 0 
    25864 TypeError: object of type 'NoneType' has no len() 
    25865  
    25866 During handling of the above exception, another exception occurred: 
    25867  
    25868 Traceback (most recent call last): 
    25869 File
    25870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25871 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25872 if not self.draw_new_frame(): 
    25873 File
    25874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25875 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25876 changed = view.check_for_drawing_change() 
    25877 File
    25878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25879 packages/chimerax/core/graphics/view.py", line 252, in
    25880 check_for_drawing_change 
    25881 trig.activate_trigger('graphics update', self) 
    25882 File
    25883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25884 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25885 trigger.activate(data) 
    25886 File
    25887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25888 packages/chimerax/core/triggerset.py", line 190, in activate 
    25889 ret = handler.invoke(data, self._remove_bad_handlers) 
    25890 File
    25891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25892 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25893 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25894 File
    25895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25896 packages/chimerax/core/session.py", line 943, in <lambda> 
    25897 logger.report_exception(preface=preface)) 
    25898 File
    25899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25900 packages/chimerax/core/logger.py", line 421, in report_exception 
    25901 elif probably_chimera1_session(exc_info): 
    25902 File
    25903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25904 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25905 etype, evalue, etraceback = exc_info 
    25906 TypeError: cannot unpack non-iterable NoneType object 
    25907  
    25908 TypeError: cannot unpack non-iterable NoneType object 
    25909  
    25910 File
    25911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25912 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25913 etype, evalue, etraceback = exc_info 
    25914  
    25915 See log for complete Python traceback. 
    25916  
    25917 Traceback (most recent call last): 
    25918 File
    25919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25920 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25921 return self._func(self._name, data) 
    25922 File
    25923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25924 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25925 if v.display: 
    25926 File
    25927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25928 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25929 return self._any_displayed_positions and len(self._positions) > 0 
    25930 TypeError: object of type 'NoneType' has no len() 
    25931  
    25932 During handling of the above exception, another exception occurred: 
    25933  
    25934 Traceback (most recent call last): 
    25935 File
    25936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25937 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    25938 if not self.draw_new_frame(): 
    25939 File
    25940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25941 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    25942 changed = view.check_for_drawing_change() 
    25943 File
    25944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25945 packages/chimerax/core/graphics/view.py", line 252, in
    25946 check_for_drawing_change 
    25947 trig.activate_trigger('graphics update', self) 
    25948 File
    25949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25950 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    25951 trigger.activate(data) 
    25952 File
    25953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25954 packages/chimerax/core/triggerset.py", line 190, in activate 
    25955 ret = handler.invoke(data, self._remove_bad_handlers) 
    25956 File
    25957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25958 packages/chimerax/core/triggerset.py", line 132, in invoke 
    25959 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    25960 File
    25961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25962 packages/chimerax/core/session.py", line 943, in <lambda> 
    25963 logger.report_exception(preface=preface)) 
    25964 File
    25965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25966 packages/chimerax/core/logger.py", line 421, in report_exception 
    25967 elif probably_chimera1_session(exc_info): 
    25968 File
    25969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25970 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25971 etype, evalue, etraceback = exc_info 
    25972 TypeError: cannot unpack non-iterable NoneType object 
    25973  
    25974 TypeError: cannot unpack non-iterable NoneType object 
    25975  
    25976 File
    25977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25978 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    25979 etype, evalue, etraceback = exc_info 
    25980  
    25981 See log for complete Python traceback. 
    25982  
    25983 Traceback (most recent call last): 
    25984 File
    25985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25986 packages/chimerax/core/triggerset.py", line 130, in invoke 
    25987 return self._func(self._name, data) 
    25988 File
    25989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25990 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    25991 if v.display: 
    25992 File
    25993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    25994 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    25995 return self._any_displayed_positions and len(self._positions) > 0 
    25996 TypeError: object of type 'NoneType' has no len() 
    25997  
    25998 During handling of the above exception, another exception occurred: 
    25999  
    26000 Traceback (most recent call last): 
    26001 File
    26002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26003 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26004 if not self.draw_new_frame(): 
    26005 File
    26006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26007 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26008 changed = view.check_for_drawing_change() 
    26009 File
    26010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26011 packages/chimerax/core/graphics/view.py", line 252, in
    26012 check_for_drawing_change 
    26013 trig.activate_trigger('graphics update', self) 
    26014 File
    26015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26016 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26017 trigger.activate(data) 
    26018 File
    26019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26020 packages/chimerax/core/triggerset.py", line 190, in activate 
    26021 ret = handler.invoke(data, self._remove_bad_handlers) 
    26022 File
    26023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26024 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26025 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26026 File
    26027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26028 packages/chimerax/core/session.py", line 943, in <lambda> 
    26029 logger.report_exception(preface=preface)) 
    26030 File
    26031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26032 packages/chimerax/core/logger.py", line 421, in report_exception 
    26033 elif probably_chimera1_session(exc_info): 
    26034 File
    26035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26036 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26037 etype, evalue, etraceback = exc_info 
    26038 TypeError: cannot unpack non-iterable NoneType object 
    26039  
    26040 TypeError: cannot unpack non-iterable NoneType object 
    26041  
    26042 File
    26043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26044 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26045 etype, evalue, etraceback = exc_info 
    26046  
    26047 See log for complete Python traceback. 
    26048  
    26049 Traceback (most recent call last): 
    26050 File
    26051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26052 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26053 return self._func(self._name, data) 
    26054 File
    26055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26056 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26057 if v.display: 
    26058 File
    26059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26060 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26061 return self._any_displayed_positions and len(self._positions) > 0 
    26062 TypeError: object of type 'NoneType' has no len() 
    26063  
    26064 During handling of the above exception, another exception occurred: 
    26065  
    26066 Traceback (most recent call last): 
    26067 File
    26068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26069 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26070 if not self.draw_new_frame(): 
    26071 File
    26072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26073 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26074 changed = view.check_for_drawing_change() 
    26075 File
    26076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26077 packages/chimerax/core/graphics/view.py", line 252, in
    26078 check_for_drawing_change 
    26079 trig.activate_trigger('graphics update', self) 
    26080 File
    26081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26082 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26083 trigger.activate(data) 
    26084 File
    26085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26086 packages/chimerax/core/triggerset.py", line 190, in activate 
    26087 ret = handler.invoke(data, self._remove_bad_handlers) 
    26088 File
    26089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26090 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26091 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26092 File
    26093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26094 packages/chimerax/core/session.py", line 943, in <lambda> 
    26095 logger.report_exception(preface=preface)) 
    26096 File
    26097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26098 packages/chimerax/core/logger.py", line 421, in report_exception 
    26099 elif probably_chimera1_session(exc_info): 
    26100 File
    26101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26102 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26103 etype, evalue, etraceback = exc_info 
    26104 TypeError: cannot unpack non-iterable NoneType object 
    26105  
    26106 TypeError: cannot unpack non-iterable NoneType object 
    26107  
    26108 File
    26109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26110 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26111 etype, evalue, etraceback = exc_info 
    26112  
    26113 See log for complete Python traceback. 
    26114  
    26115 Traceback (most recent call last): 
    26116 File
    26117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26119 return self._func(self._name, data) 
    26120 File
    26121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26122 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26123 if v.display: 
    26124 File
    26125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26126 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26127 return self._any_displayed_positions and len(self._positions) > 0 
    26128 TypeError: object of type 'NoneType' has no len() 
    26129  
    26130 During handling of the above exception, another exception occurred: 
    26131  
    26132 Traceback (most recent call last): 
    26133 File
    26134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26135 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26136 if not self.draw_new_frame(): 
    26137 File
    26138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26139 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26140 changed = view.check_for_drawing_change() 
    26141 File
    26142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26143 packages/chimerax/core/graphics/view.py", line 252, in
    26144 check_for_drawing_change 
    26145 trig.activate_trigger('graphics update', self) 
    26146 File
    26147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26148 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26149 trigger.activate(data) 
    26150 File
    26151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26152 packages/chimerax/core/triggerset.py", line 190, in activate 
    26153 ret = handler.invoke(data, self._remove_bad_handlers) 
    26154 File
    26155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26156 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26157 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26158 File
    26159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26160 packages/chimerax/core/session.py", line 943, in <lambda> 
    26161 logger.report_exception(preface=preface)) 
    26162 File
    26163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26164 packages/chimerax/core/logger.py", line 421, in report_exception 
    26165 elif probably_chimera1_session(exc_info): 
    26166 File
    26167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26168 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26169 etype, evalue, etraceback = exc_info 
    26170 TypeError: cannot unpack non-iterable NoneType object 
    26171  
    26172 TypeError: cannot unpack non-iterable NoneType object 
    26173  
    26174 File
    26175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26176 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26177 etype, evalue, etraceback = exc_info 
    26178  
    26179 See log for complete Python traceback. 
    26180  
    26181 Traceback (most recent call last): 
    26182 File
    26183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26184 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26185 return self._func(self._name, data) 
    26186 File
    26187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26188 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26189 if v.display: 
    26190 File
    26191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26192 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26193 return self._any_displayed_positions and len(self._positions) > 0 
    26194 TypeError: object of type 'NoneType' has no len() 
    26195  
    26196 During handling of the above exception, another exception occurred: 
    26197  
    26198 Traceback (most recent call last): 
    26199 File
    26200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26201 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26202 if not self.draw_new_frame(): 
    26203 File
    26204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26205 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26206 changed = view.check_for_drawing_change() 
    26207 File
    26208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26209 packages/chimerax/core/graphics/view.py", line 252, in
    26210 check_for_drawing_change 
    26211 trig.activate_trigger('graphics update', self) 
    26212 File
    26213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26214 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26215 trigger.activate(data) 
    26216 File
    26217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26218 packages/chimerax/core/triggerset.py", line 190, in activate 
    26219 ret = handler.invoke(data, self._remove_bad_handlers) 
    26220 File
    26221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26222 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26223 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26224 File
    26225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26226 packages/chimerax/core/session.py", line 943, in <lambda> 
    26227 logger.report_exception(preface=preface)) 
    26228 File
    26229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26230 packages/chimerax/core/logger.py", line 421, in report_exception 
    26231 elif probably_chimera1_session(exc_info): 
    26232 File
    26233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26234 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26235 etype, evalue, etraceback = exc_info 
    26236 TypeError: cannot unpack non-iterable NoneType object 
    26237  
    26238 TypeError: cannot unpack non-iterable NoneType object 
    26239  
    26240 File
    26241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26242 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26243 etype, evalue, etraceback = exc_info 
    26244  
    26245 See log for complete Python traceback. 
    26246  
    26247 Traceback (most recent call last): 
    26248 File
    26249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26250 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26251 return self._func(self._name, data) 
    26252 File
    26253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26254 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26255 if v.display: 
    26256 File
    26257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26258 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26259 return self._any_displayed_positions and len(self._positions) > 0 
    26260 TypeError: object of type 'NoneType' has no len() 
    26261  
    26262 During handling of the above exception, another exception occurred: 
    26263  
    26264 Traceback (most recent call last): 
    26265 File
    26266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26267 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26268 if not self.draw_new_frame(): 
    26269 File
    26270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26271 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26272 changed = view.check_for_drawing_change() 
    26273 File
    26274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26275 packages/chimerax/core/graphics/view.py", line 252, in
    26276 check_for_drawing_change 
    26277 trig.activate_trigger('graphics update', self) 
    26278 File
    26279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26280 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26281 trigger.activate(data) 
    26282 File
    26283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26284 packages/chimerax/core/triggerset.py", line 190, in activate 
    26285 ret = handler.invoke(data, self._remove_bad_handlers) 
    26286 File
    26287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26288 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26289 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26290 File
    26291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26292 packages/chimerax/core/session.py", line 943, in <lambda> 
    26293 logger.report_exception(preface=preface)) 
    26294 File
    26295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26296 packages/chimerax/core/logger.py", line 421, in report_exception 
    26297 elif probably_chimera1_session(exc_info): 
    26298 File
    26299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26300 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26301 etype, evalue, etraceback = exc_info 
    26302 TypeError: cannot unpack non-iterable NoneType object 
    26303  
    26304 TypeError: cannot unpack non-iterable NoneType object 
    26305  
    26306 File
    26307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26308 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26309 etype, evalue, etraceback = exc_info 
    26310  
    26311 See log for complete Python traceback. 
    26312  
    26313 Traceback (most recent call last): 
    26314 File
    26315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26316 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26317 return self._func(self._name, data) 
    26318 File
    26319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26320 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26321 if v.display: 
    26322 File
    26323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26324 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26325 return self._any_displayed_positions and len(self._positions) > 0 
    26326 TypeError: object of type 'NoneType' has no len() 
    26327  
    26328 During handling of the above exception, another exception occurred: 
    26329  
    26330 Traceback (most recent call last): 
    26331 File
    26332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26333 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26334 if not self.draw_new_frame(): 
    26335 File
    26336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26337 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26338 changed = view.check_for_drawing_change() 
    26339 File
    26340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26341 packages/chimerax/core/graphics/view.py", line 252, in
    26342 check_for_drawing_change 
    26343 trig.activate_trigger('graphics update', self) 
    26344 File
    26345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26346 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26347 trigger.activate(data) 
    26348 File
    26349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26350 packages/chimerax/core/triggerset.py", line 190, in activate 
    26351 ret = handler.invoke(data, self._remove_bad_handlers) 
    26352 File
    26353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26354 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26355 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26356 File
    26357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26358 packages/chimerax/core/session.py", line 943, in <lambda> 
    26359 logger.report_exception(preface=preface)) 
    26360 File
    26361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26362 packages/chimerax/core/logger.py", line 421, in report_exception 
    26363 elif probably_chimera1_session(exc_info): 
    26364 File
    26365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26366 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26367 etype, evalue, etraceback = exc_info 
    26368 TypeError: cannot unpack non-iterable NoneType object 
    26369  
    26370 TypeError: cannot unpack non-iterable NoneType object 
    26371  
    26372 File
    26373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26374 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26375 etype, evalue, etraceback = exc_info 
    26376  
    26377 See log for complete Python traceback. 
    26378  
    26379 Traceback (most recent call last): 
    26380 File
    26381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26382 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26383 return self._func(self._name, data) 
    26384 File
    26385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26386 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26387 if v.display: 
    26388 File
    26389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26390 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26391 return self._any_displayed_positions and len(self._positions) > 0 
    26392 TypeError: object of type 'NoneType' has no len() 
    26393  
    26394 During handling of the above exception, another exception occurred: 
    26395  
    26396 Traceback (most recent call last): 
    26397 File
    26398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26399 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26400 if not self.draw_new_frame(): 
    26401 File
    26402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26403 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26404 changed = view.check_for_drawing_change() 
    26405 File
    26406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26407 packages/chimerax/core/graphics/view.py", line 252, in
    26408 check_for_drawing_change 
    26409 trig.activate_trigger('graphics update', self) 
    26410 File
    26411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26412 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26413 trigger.activate(data) 
    26414 File
    26415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26416 packages/chimerax/core/triggerset.py", line 190, in activate 
    26417 ret = handler.invoke(data, self._remove_bad_handlers) 
    26418 File
    26419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26420 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26421 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26422 File
    26423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26424 packages/chimerax/core/session.py", line 943, in <lambda> 
    26425 logger.report_exception(preface=preface)) 
    26426 File
    26427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26428 packages/chimerax/core/logger.py", line 421, in report_exception 
    26429 elif probably_chimera1_session(exc_info): 
    26430 File
    26431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26432 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26433 etype, evalue, etraceback = exc_info 
    26434 TypeError: cannot unpack non-iterable NoneType object 
    26435  
    26436 TypeError: cannot unpack non-iterable NoneType object 
    26437  
    26438 File
    26439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26440 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26441 etype, evalue, etraceback = exc_info 
    26442  
    26443 See log for complete Python traceback. 
    26444  
    26445 Traceback (most recent call last): 
    26446 File
    26447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26448 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26449 return self._func(self._name, data) 
    26450 File
    26451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26452 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26453 if v.display: 
    26454 File
    26455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26456 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26457 return self._any_displayed_positions and len(self._positions) > 0 
    26458 TypeError: object of type 'NoneType' has no len() 
    26459  
    26460 During handling of the above exception, another exception occurred: 
    26461  
    26462 Traceback (most recent call last): 
    26463 File
    26464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26465 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26466 if not self.draw_new_frame(): 
    26467 File
    26468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26469 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26470 changed = view.check_for_drawing_change() 
    26471 File
    26472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26473 packages/chimerax/core/graphics/view.py", line 252, in
    26474 check_for_drawing_change 
    26475 trig.activate_trigger('graphics update', self) 
    26476 File
    26477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26478 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26479 trigger.activate(data) 
    26480 File
    26481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26482 packages/chimerax/core/triggerset.py", line 190, in activate 
    26483 ret = handler.invoke(data, self._remove_bad_handlers) 
    26484 File
    26485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26486 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26487 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26488 File
    26489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26490 packages/chimerax/core/session.py", line 943, in <lambda> 
    26491 logger.report_exception(preface=preface)) 
    26492 File
    26493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26494 packages/chimerax/core/logger.py", line 421, in report_exception 
    26495 elif probably_chimera1_session(exc_info): 
    26496 File
    26497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26498 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26499 etype, evalue, etraceback = exc_info 
    26500 TypeError: cannot unpack non-iterable NoneType object 
    26501  
    26502 TypeError: cannot unpack non-iterable NoneType object 
    26503  
    26504 File
    26505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26506 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26507 etype, evalue, etraceback = exc_info 
    26508  
    26509 See log for complete Python traceback. 
    26510  
    26511 Traceback (most recent call last): 
    26512 File
    26513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26514 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26515 return self._func(self._name, data) 
    26516 File
    26517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26518 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26519 if v.display: 
    26520 File
    26521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26522 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26523 return self._any_displayed_positions and len(self._positions) > 0 
    26524 TypeError: object of type 'NoneType' has no len() 
    26525  
    26526 During handling of the above exception, another exception occurred: 
    26527  
    26528 Traceback (most recent call last): 
    26529 File
    26530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26531 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26532 if not self.draw_new_frame(): 
    26533 File
    26534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26535 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26536 changed = view.check_for_drawing_change() 
    26537 File
    26538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26539 packages/chimerax/core/graphics/view.py", line 252, in
    26540 check_for_drawing_change 
    26541 trig.activate_trigger('graphics update', self) 
    26542 File
    26543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26544 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26545 trigger.activate(data) 
    26546 File
    26547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26548 packages/chimerax/core/triggerset.py", line 190, in activate 
    26549 ret = handler.invoke(data, self._remove_bad_handlers) 
    26550 File
    26551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26552 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26553 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26554 File
    26555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26556 packages/chimerax/core/session.py", line 943, in <lambda> 
    26557 logger.report_exception(preface=preface)) 
    26558 File
    26559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26560 packages/chimerax/core/logger.py", line 421, in report_exception 
    26561 elif probably_chimera1_session(exc_info): 
    26562 File
    26563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26564 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26565 etype, evalue, etraceback = exc_info 
    26566 TypeError: cannot unpack non-iterable NoneType object 
    26567  
    26568 TypeError: cannot unpack non-iterable NoneType object 
    26569  
    26570 File
    26571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26572 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26573 etype, evalue, etraceback = exc_info 
    26574  
    26575 See log for complete Python traceback. 
    26576  
    26577 Traceback (most recent call last): 
    26578 File
    26579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26580 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26581 return self._func(self._name, data) 
    26582 File
    26583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26584 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26585 if v.display: 
    26586 File
    26587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26588 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26589 return self._any_displayed_positions and len(self._positions) > 0 
    26590 TypeError: object of type 'NoneType' has no len() 
    26591  
    26592 During handling of the above exception, another exception occurred: 
    26593  
    26594 Traceback (most recent call last): 
    26595 File
    26596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26597 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26598 if not self.draw_new_frame(): 
    26599 File
    26600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26601 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26602 changed = view.check_for_drawing_change() 
    26603 File
    26604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26605 packages/chimerax/core/graphics/view.py", line 252, in
    26606 check_for_drawing_change 
    26607 trig.activate_trigger('graphics update', self) 
    26608 File
    26609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26610 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26611 trigger.activate(data) 
    26612 File
    26613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26614 packages/chimerax/core/triggerset.py", line 190, in activate 
    26615 ret = handler.invoke(data, self._remove_bad_handlers) 
    26616 File
    26617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26618 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26619 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26620 File
    26621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26622 packages/chimerax/core/session.py", line 943, in <lambda> 
    26623 logger.report_exception(preface=preface)) 
    26624 File
    26625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26626 packages/chimerax/core/logger.py", line 421, in report_exception 
    26627 elif probably_chimera1_session(exc_info): 
    26628 File
    26629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26630 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26631 etype, evalue, etraceback = exc_info 
    26632 TypeError: cannot unpack non-iterable NoneType object 
    26633  
    26634 TypeError: cannot unpack non-iterable NoneType object 
    26635  
    26636 File
    26637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26638 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26639 etype, evalue, etraceback = exc_info 
    26640  
    26641 See log for complete Python traceback. 
    26642  
    26643 Traceback (most recent call last): 
    26644 File
    26645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26646 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26647 return self._func(self._name, data) 
    26648 File
    26649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26650 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26651 if v.display: 
    26652 File
    26653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26654 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26655 return self._any_displayed_positions and len(self._positions) > 0 
    26656 TypeError: object of type 'NoneType' has no len() 
    26657  
    26658 During handling of the above exception, another exception occurred: 
    26659  
    26660 Traceback (most recent call last): 
    26661 File
    26662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26663 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26664 if not self.draw_new_frame(): 
    26665 File
    26666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26667 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26668 changed = view.check_for_drawing_change() 
    26669 File
    26670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26671 packages/chimerax/core/graphics/view.py", line 252, in
    26672 check_for_drawing_change 
    26673 trig.activate_trigger('graphics update', self) 
    26674 File
    26675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26676 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26677 trigger.activate(data) 
    26678 File
    26679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26680 packages/chimerax/core/triggerset.py", line 190, in activate 
    26681 ret = handler.invoke(data, self._remove_bad_handlers) 
    26682 File
    26683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26684 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26685 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26686 File
    26687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26688 packages/chimerax/core/session.py", line 943, in <lambda> 
    26689 logger.report_exception(preface=preface)) 
    26690 File
    26691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26692 packages/chimerax/core/logger.py", line 421, in report_exception 
    26693 elif probably_chimera1_session(exc_info): 
    26694 File
    26695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26696 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26697 etype, evalue, etraceback = exc_info 
    26698 TypeError: cannot unpack non-iterable NoneType object 
    26699  
    26700 TypeError: cannot unpack non-iterable NoneType object 
    26701  
    26702 File
    26703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26704 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26705 etype, evalue, etraceback = exc_info 
    26706  
    26707 See log for complete Python traceback. 
    26708  
    26709 Traceback (most recent call last): 
    26710 File
    26711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26712 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26713 return self._func(self._name, data) 
    26714 File
    26715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26716 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26717 if v.display: 
    26718 File
    26719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26720 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26721 return self._any_displayed_positions and len(self._positions) > 0 
    26722 TypeError: object of type 'NoneType' has no len() 
    26723  
    26724 During handling of the above exception, another exception occurred: 
    26725  
    26726 Traceback (most recent call last): 
    26727 File
    26728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26729 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26730 if not self.draw_new_frame(): 
    26731 File
    26732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26733 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26734 changed = view.check_for_drawing_change() 
    26735 File
    26736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26737 packages/chimerax/core/graphics/view.py", line 252, in
    26738 check_for_drawing_change 
    26739 trig.activate_trigger('graphics update', self) 
    26740 File
    26741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26742 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26743 trigger.activate(data) 
    26744 File
    26745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26746 packages/chimerax/core/triggerset.py", line 190, in activate 
    26747 ret = handler.invoke(data, self._remove_bad_handlers) 
    26748 File
    26749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26750 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26751 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26752 File
    26753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26754 packages/chimerax/core/session.py", line 943, in <lambda> 
    26755 logger.report_exception(preface=preface)) 
    26756 File
    26757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26758 packages/chimerax/core/logger.py", line 421, in report_exception 
    26759 elif probably_chimera1_session(exc_info): 
    26760 File
    26761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26762 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26763 etype, evalue, etraceback = exc_info 
    26764 TypeError: cannot unpack non-iterable NoneType object 
    26765  
    26766 TypeError: cannot unpack non-iterable NoneType object 
    26767  
    26768 File
    26769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26770 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26771 etype, evalue, etraceback = exc_info 
    26772  
    26773 See log for complete Python traceback. 
    26774  
    26775 Traceback (most recent call last): 
    26776 File
    26777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26778 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26779 return self._func(self._name, data) 
    26780 File
    26781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26782 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26783 if v.display: 
    26784 File
    26785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26786 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26787 return self._any_displayed_positions and len(self._positions) > 0 
    26788 TypeError: object of type 'NoneType' has no len() 
    26789  
    26790 During handling of the above exception, another exception occurred: 
    26791  
    26792 Traceback (most recent call last): 
    26793 File
    26794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26795 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26796 if not self.draw_new_frame(): 
    26797 File
    26798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26799 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26800 changed = view.check_for_drawing_change() 
    26801 File
    26802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26803 packages/chimerax/core/graphics/view.py", line 252, in
    26804 check_for_drawing_change 
    26805 trig.activate_trigger('graphics update', self) 
    26806 File
    26807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26808 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26809 trigger.activate(data) 
    26810 File
    26811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26812 packages/chimerax/core/triggerset.py", line 190, in activate 
    26813 ret = handler.invoke(data, self._remove_bad_handlers) 
    26814 File
    26815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26816 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26817 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26818 File
    26819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26820 packages/chimerax/core/session.py", line 943, in <lambda> 
    26821 logger.report_exception(preface=preface)) 
    26822 File
    26823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26824 packages/chimerax/core/logger.py", line 421, in report_exception 
    26825 elif probably_chimera1_session(exc_info): 
    26826 File
    26827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26828 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26829 etype, evalue, etraceback = exc_info 
    26830 TypeError: cannot unpack non-iterable NoneType object 
    26831  
    26832 TypeError: cannot unpack non-iterable NoneType object 
    26833  
    26834 File
    26835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26836 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26837 etype, evalue, etraceback = exc_info 
    26838  
    26839 See log for complete Python traceback. 
    26840  
    26841 Traceback (most recent call last): 
    26842 File
    26843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26844 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26845 return self._func(self._name, data) 
    26846 File
    26847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26848 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26849 if v.display: 
    26850 File
    26851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26852 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26853 return self._any_displayed_positions and len(self._positions) > 0 
    26854 TypeError: object of type 'NoneType' has no len() 
    26855  
    26856 During handling of the above exception, another exception occurred: 
    26857  
    26858 Traceback (most recent call last): 
    26859 File
    26860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26861 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26862 if not self.draw_new_frame(): 
    26863 File
    26864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26865 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26866 changed = view.check_for_drawing_change() 
    26867 File
    26868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26869 packages/chimerax/core/graphics/view.py", line 252, in
    26870 check_for_drawing_change 
    26871 trig.activate_trigger('graphics update', self) 
    26872 File
    26873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26874 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26875 trigger.activate(data) 
    26876 File
    26877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26878 packages/chimerax/core/triggerset.py", line 190, in activate 
    26879 ret = handler.invoke(data, self._remove_bad_handlers) 
    26880 File
    26881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26882 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26883 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26884 File
    26885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26886 packages/chimerax/core/session.py", line 943, in <lambda> 
    26887 logger.report_exception(preface=preface)) 
    26888 File
    26889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26890 packages/chimerax/core/logger.py", line 421, in report_exception 
    26891 elif probably_chimera1_session(exc_info): 
    26892 File
    26893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26894 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26895 etype, evalue, etraceback = exc_info 
    26896 TypeError: cannot unpack non-iterable NoneType object 
    26897  
    26898 TypeError: cannot unpack non-iterable NoneType object 
    26899  
    26900 File
    26901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26902 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26903 etype, evalue, etraceback = exc_info 
    26904  
    26905 See log for complete Python traceback. 
    26906  
    26907 Traceback (most recent call last): 
    26908 File
    26909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26910 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26911 return self._func(self._name, data) 
    26912 File
    26913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26914 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26915 if v.display: 
    26916 File
    26917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26918 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26919 return self._any_displayed_positions and len(self._positions) > 0 
    26920 TypeError: object of type 'NoneType' has no len() 
    26921  
    26922 During handling of the above exception, another exception occurred: 
    26923  
    26924 Traceback (most recent call last): 
    26925 File
    26926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26927 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26928 if not self.draw_new_frame(): 
    26929 File
    26930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26931 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26932 changed = view.check_for_drawing_change() 
    26933 File
    26934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26935 packages/chimerax/core/graphics/view.py", line 252, in
    26936 check_for_drawing_change 
    26937 trig.activate_trigger('graphics update', self) 
    26938 File
    26939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26940 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    26941 trigger.activate(data) 
    26942 File
    26943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26944 packages/chimerax/core/triggerset.py", line 190, in activate 
    26945 ret = handler.invoke(data, self._remove_bad_handlers) 
    26946 File
    26947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26948 packages/chimerax/core/triggerset.py", line 132, in invoke 
    26949 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    26950 File
    26951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26952 packages/chimerax/core/session.py", line 943, in <lambda> 
    26953 logger.report_exception(preface=preface)) 
    26954 File
    26955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26956 packages/chimerax/core/logger.py", line 421, in report_exception 
    26957 elif probably_chimera1_session(exc_info): 
    26958 File
    26959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26960 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26961 etype, evalue, etraceback = exc_info 
    26962 TypeError: cannot unpack non-iterable NoneType object 
    26963  
    26964 TypeError: cannot unpack non-iterable NoneType object 
    26965  
    26966 File
    26967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26968 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    26969 etype, evalue, etraceback = exc_info 
    26970  
    26971 See log for complete Python traceback. 
    26972  
    26973 Traceback (most recent call last): 
    26974 File
    26975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26976 packages/chimerax/core/triggerset.py", line 130, in invoke 
    26977 return self._func(self._name, data) 
    26978 File
    26979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26980 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    26981 if v.display: 
    26982 File
    26983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26984 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    26985 return self._any_displayed_positions and len(self._positions) > 0 
    26986 TypeError: object of type 'NoneType' has no len() 
    26987  
    26988 During handling of the above exception, another exception occurred: 
    26989  
    26990 Traceback (most recent call last): 
    26991 File
    26992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26993 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    26994 if not self.draw_new_frame(): 
    26995 File
    26996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    26997 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    26998 changed = view.check_for_drawing_change() 
    26999 File
    27000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27001 packages/chimerax/core/graphics/view.py", line 252, in
    27002 check_for_drawing_change 
    27003 trig.activate_trigger('graphics update', self) 
    27004 File
    27005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27006 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27007 trigger.activate(data) 
    27008 File
    27009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27010 packages/chimerax/core/triggerset.py", line 190, in activate 
    27011 ret = handler.invoke(data, self._remove_bad_handlers) 
    27012 File
    27013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27014 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27015 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27016 File
    27017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27018 packages/chimerax/core/session.py", line 943, in <lambda> 
    27019 logger.report_exception(preface=preface)) 
    27020 File
    27021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27022 packages/chimerax/core/logger.py", line 421, in report_exception 
    27023 elif probably_chimera1_session(exc_info): 
    27024 File
    27025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27026 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27027 etype, evalue, etraceback = exc_info 
    27028 TypeError: cannot unpack non-iterable NoneType object 
    27029  
    27030 TypeError: cannot unpack non-iterable NoneType object 
    27031  
    27032 File
    27033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27034 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27035 etype, evalue, etraceback = exc_info 
    27036  
    27037 See log for complete Python traceback. 
    27038  
    27039 Traceback (most recent call last): 
    27040 File
    27041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27042 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27043 return self._func(self._name, data) 
    27044 File
    27045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27046 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27047 if v.display: 
    27048 File
    27049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27050 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27051 return self._any_displayed_positions and len(self._positions) > 0 
    27052 TypeError: object of type 'NoneType' has no len() 
    27053  
    27054 During handling of the above exception, another exception occurred: 
    27055  
    27056 Traceback (most recent call last): 
    27057 File
    27058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27059 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27060 if not self.draw_new_frame(): 
    27061 File
    27062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27063 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27064 changed = view.check_for_drawing_change() 
    27065 File
    27066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27067 packages/chimerax/core/graphics/view.py", line 252, in
    27068 check_for_drawing_change 
    27069 trig.activate_trigger('graphics update', self) 
    27070 File
    27071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27072 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27073 trigger.activate(data) 
    27074 File
    27075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27076 packages/chimerax/core/triggerset.py", line 190, in activate 
    27077 ret = handler.invoke(data, self._remove_bad_handlers) 
    27078 File
    27079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27080 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27081 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27082 File
    27083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27084 packages/chimerax/core/session.py", line 943, in <lambda> 
    27085 logger.report_exception(preface=preface)) 
    27086 File
    27087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27088 packages/chimerax/core/logger.py", line 421, in report_exception 
    27089 elif probably_chimera1_session(exc_info): 
    27090 File
    27091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27092 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27093 etype, evalue, etraceback = exc_info 
    27094 TypeError: cannot unpack non-iterable NoneType object 
    27095  
    27096 TypeError: cannot unpack non-iterable NoneType object 
    27097  
    27098 File
    27099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27100 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27101 etype, evalue, etraceback = exc_info 
    27102  
    27103 See log for complete Python traceback. 
    27104  
    27105 Traceback (most recent call last): 
    27106 File
    27107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27108 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27109 return self._func(self._name, data) 
    27110 File
    27111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27112 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27113 if v.display: 
    27114 File
    27115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27116 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27117 return self._any_displayed_positions and len(self._positions) > 0 
    27118 TypeError: object of type 'NoneType' has no len() 
    27119  
    27120 During handling of the above exception, another exception occurred: 
    27121  
    27122 Traceback (most recent call last): 
    27123 File
    27124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27125 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27126 if not self.draw_new_frame(): 
    27127 File
    27128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27129 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27130 changed = view.check_for_drawing_change() 
    27131 File
    27132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27133 packages/chimerax/core/graphics/view.py", line 252, in
    27134 check_for_drawing_change 
    27135 trig.activate_trigger('graphics update', self) 
    27136 File
    27137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27138 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27139 trigger.activate(data) 
    27140 File
    27141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27142 packages/chimerax/core/triggerset.py", line 190, in activate 
    27143 ret = handler.invoke(data, self._remove_bad_handlers) 
    27144 File
    27145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27146 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27147 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27148 File
    27149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27150 packages/chimerax/core/session.py", line 943, in <lambda> 
    27151 logger.report_exception(preface=preface)) 
    27152 File
    27153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27154 packages/chimerax/core/logger.py", line 421, in report_exception 
    27155 elif probably_chimera1_session(exc_info): 
    27156 File
    27157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27158 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27159 etype, evalue, etraceback = exc_info 
    27160 TypeError: cannot unpack non-iterable NoneType object 
    27161  
    27162 TypeError: cannot unpack non-iterable NoneType object 
    27163  
    27164 File
    27165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27166 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27167 etype, evalue, etraceback = exc_info 
    27168  
    27169 See log for complete Python traceback. 
    27170  
    27171 Traceback (most recent call last): 
    27172 File
    27173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27174 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27175 return self._func(self._name, data) 
    27176 File
    27177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27178 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27179 if v.display: 
    27180 File
    27181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27182 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27183 return self._any_displayed_positions and len(self._positions) > 0 
    27184 TypeError: object of type 'NoneType' has no len() 
    27185  
    27186 During handling of the above exception, another exception occurred: 
    27187  
    27188 Traceback (most recent call last): 
    27189 File
    27190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27191 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27192 if not self.draw_new_frame(): 
    27193 File
    27194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27195 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27196 changed = view.check_for_drawing_change() 
    27197 File
    27198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27199 packages/chimerax/core/graphics/view.py", line 252, in
    27200 check_for_drawing_change 
    27201 trig.activate_trigger('graphics update', self) 
    27202 File
    27203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27204 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27205 trigger.activate(data) 
    27206 File
    27207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27208 packages/chimerax/core/triggerset.py", line 190, in activate 
    27209 ret = handler.invoke(data, self._remove_bad_handlers) 
    27210 File
    27211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27212 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27213 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27214 File
    27215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27216 packages/chimerax/core/session.py", line 943, in <lambda> 
    27217 logger.report_exception(preface=preface)) 
    27218 File
    27219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27220 packages/chimerax/core/logger.py", line 421, in report_exception 
    27221 elif probably_chimera1_session(exc_info): 
    27222 File
    27223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27224 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27225 etype, evalue, etraceback = exc_info 
    27226 TypeError: cannot unpack non-iterable NoneType object 
    27227  
    27228 TypeError: cannot unpack non-iterable NoneType object 
    27229  
    27230 File
    27231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27232 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27233 etype, evalue, etraceback = exc_info 
    27234  
    27235 See log for complete Python traceback. 
    27236  
    27237 Traceback (most recent call last): 
    27238 File
    27239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27240 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27241 return self._func(self._name, data) 
    27242 File
    27243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27244 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27245 if v.display: 
    27246 File
    27247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27248 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27249 return self._any_displayed_positions and len(self._positions) > 0 
    27250 TypeError: object of type 'NoneType' has no len() 
    27251  
    27252 During handling of the above exception, another exception occurred: 
    27253  
    27254 Traceback (most recent call last): 
    27255 File
    27256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27257 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27258 if not self.draw_new_frame(): 
    27259 File
    27260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27261 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27262 changed = view.check_for_drawing_change() 
    27263 File
    27264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27265 packages/chimerax/core/graphics/view.py", line 252, in
    27266 check_for_drawing_change 
    27267 trig.activate_trigger('graphics update', self) 
    27268 File
    27269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27270 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27271 trigger.activate(data) 
    27272 File
    27273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27274 packages/chimerax/core/triggerset.py", line 190, in activate 
    27275 ret = handler.invoke(data, self._remove_bad_handlers) 
    27276 File
    27277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27278 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27279 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27280 File
    27281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27282 packages/chimerax/core/session.py", line 943, in <lambda> 
    27283 logger.report_exception(preface=preface)) 
    27284 File
    27285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27286 packages/chimerax/core/logger.py", line 421, in report_exception 
    27287 elif probably_chimera1_session(exc_info): 
    27288 File
    27289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27290 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27291 etype, evalue, etraceback = exc_info 
    27292 TypeError: cannot unpack non-iterable NoneType object 
    27293  
    27294 TypeError: cannot unpack non-iterable NoneType object 
    27295  
    27296 File
    27297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27298 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27299 etype, evalue, etraceback = exc_info 
    27300  
    27301 See log for complete Python traceback. 
    27302  
    27303 Traceback (most recent call last): 
    27304 File
    27305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27306 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27307 return self._func(self._name, data) 
    27308 File
    27309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27310 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27311 if v.display: 
    27312 File
    27313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27314 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27315 return self._any_displayed_positions and len(self._positions) > 0 
    27316 TypeError: object of type 'NoneType' has no len() 
    27317  
    27318 During handling of the above exception, another exception occurred: 
    27319  
    27320 Traceback (most recent call last): 
    27321 File
    27322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27323 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27324 if not self.draw_new_frame(): 
    27325 File
    27326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27327 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27328 changed = view.check_for_drawing_change() 
    27329 File
    27330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27331 packages/chimerax/core/graphics/view.py", line 252, in
    27332 check_for_drawing_change 
    27333 trig.activate_trigger('graphics update', self) 
    27334 File
    27335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27336 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27337 trigger.activate(data) 
    27338 File
    27339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27340 packages/chimerax/core/triggerset.py", line 190, in activate 
    27341 ret = handler.invoke(data, self._remove_bad_handlers) 
    27342 File
    27343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27344 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27345 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27346 File
    27347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27348 packages/chimerax/core/session.py", line 943, in <lambda> 
    27349 logger.report_exception(preface=preface)) 
    27350 File
    27351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27352 packages/chimerax/core/logger.py", line 421, in report_exception 
    27353 elif probably_chimera1_session(exc_info): 
    27354 File
    27355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27356 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27357 etype, evalue, etraceback = exc_info 
    27358 TypeError: cannot unpack non-iterable NoneType object 
    27359  
    27360 TypeError: cannot unpack non-iterable NoneType object 
    27361  
    27362 File
    27363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27364 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27365 etype, evalue, etraceback = exc_info 
    27366  
    27367 See log for complete Python traceback. 
    27368  
    27369 Traceback (most recent call last): 
    27370 File
    27371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27372 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27373 return self._func(self._name, data) 
    27374 File
    27375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27376 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27377 if v.display: 
    27378 File
    27379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27380 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27381 return self._any_displayed_positions and len(self._positions) > 0 
    27382 TypeError: object of type 'NoneType' has no len() 
    27383  
    27384 During handling of the above exception, another exception occurred: 
    27385  
    27386 Traceback (most recent call last): 
    27387 File
    27388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27389 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27390 if not self.draw_new_frame(): 
    27391 File
    27392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27393 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27394 changed = view.check_for_drawing_change() 
    27395 File
    27396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27397 packages/chimerax/core/graphics/view.py", line 252, in
    27398 check_for_drawing_change 
    27399 trig.activate_trigger('graphics update', self) 
    27400 File
    27401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27402 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27403 trigger.activate(data) 
    27404 File
    27405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27406 packages/chimerax/core/triggerset.py", line 190, in activate 
    27407 ret = handler.invoke(data, self._remove_bad_handlers) 
    27408 File
    27409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27410 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27411 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27412 File
    27413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27414 packages/chimerax/core/session.py", line 943, in <lambda> 
    27415 logger.report_exception(preface=preface)) 
    27416 File
    27417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27418 packages/chimerax/core/logger.py", line 421, in report_exception 
    27419 elif probably_chimera1_session(exc_info): 
    27420 File
    27421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27422 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27423 etype, evalue, etraceback = exc_info 
    27424 TypeError: cannot unpack non-iterable NoneType object 
    27425  
    27426 TypeError: cannot unpack non-iterable NoneType object 
    27427  
    27428 File
    27429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27430 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27431 etype, evalue, etraceback = exc_info 
    27432  
    27433 See log for complete Python traceback. 
    27434  
    27435 Traceback (most recent call last): 
    27436 File
    27437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27438 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27439 return self._func(self._name, data) 
    27440 File
    27441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27442 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27443 if v.display: 
    27444 File
    27445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27446 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27447 return self._any_displayed_positions and len(self._positions) > 0 
    27448 TypeError: object of type 'NoneType' has no len() 
    27449  
    27450 During handling of the above exception, another exception occurred: 
    27451  
    27452 Traceback (most recent call last): 
    27453 File
    27454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27455 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27456 if not self.draw_new_frame(): 
    27457 File
    27458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27459 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27460 changed = view.check_for_drawing_change() 
    27461 File
    27462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27463 packages/chimerax/core/graphics/view.py", line 252, in
    27464 check_for_drawing_change 
    27465 trig.activate_trigger('graphics update', self) 
    27466 File
    27467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27468 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27469 trigger.activate(data) 
    27470 File
    27471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27472 packages/chimerax/core/triggerset.py", line 190, in activate 
    27473 ret = handler.invoke(data, self._remove_bad_handlers) 
    27474 File
    27475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27476 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27477 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27478 File
    27479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27480 packages/chimerax/core/session.py", line 943, in <lambda> 
    27481 logger.report_exception(preface=preface)) 
    27482 File
    27483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27484 packages/chimerax/core/logger.py", line 421, in report_exception 
    27485 elif probably_chimera1_session(exc_info): 
    27486 File
    27487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27488 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27489 etype, evalue, etraceback = exc_info 
    27490 TypeError: cannot unpack non-iterable NoneType object 
    27491  
    27492 TypeError: cannot unpack non-iterable NoneType object 
    27493  
    27494 File
    27495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27496 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27497 etype, evalue, etraceback = exc_info 
    27498  
    27499 See log for complete Python traceback. 
    27500  
    27501 Traceback (most recent call last): 
    27502 File
    27503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27504 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27505 return self._func(self._name, data) 
    27506 File
    27507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27508 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27509 if v.display: 
    27510 File
    27511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27512 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27513 return self._any_displayed_positions and len(self._positions) > 0 
    27514 TypeError: object of type 'NoneType' has no len() 
    27515  
    27516 During handling of the above exception, another exception occurred: 
    27517  
    27518 Traceback (most recent call last): 
    27519 File
    27520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27521 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27522 if not self.draw_new_frame(): 
    27523 File
    27524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27525 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27526 changed = view.check_for_drawing_change() 
    27527 File
    27528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27529 packages/chimerax/core/graphics/view.py", line 252, in
    27530 check_for_drawing_change 
    27531 trig.activate_trigger('graphics update', self) 
    27532 File
    27533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27534 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27535 trigger.activate(data) 
    27536 File
    27537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27538 packages/chimerax/core/triggerset.py", line 190, in activate 
    27539 ret = handler.invoke(data, self._remove_bad_handlers) 
    27540 File
    27541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27542 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27543 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27544 File
    27545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27546 packages/chimerax/core/session.py", line 943, in <lambda> 
    27547 logger.report_exception(preface=preface)) 
    27548 File
    27549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27550 packages/chimerax/core/logger.py", line 421, in report_exception 
    27551 elif probably_chimera1_session(exc_info): 
    27552 File
    27553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27554 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27555 etype, evalue, etraceback = exc_info 
    27556 TypeError: cannot unpack non-iterable NoneType object 
    27557  
    27558 TypeError: cannot unpack non-iterable NoneType object 
    27559  
    27560 File
    27561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27562 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27563 etype, evalue, etraceback = exc_info 
    27564  
    27565 See log for complete Python traceback. 
    27566  
    27567 Traceback (most recent call last): 
    27568 File
    27569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27570 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27571 return self._func(self._name, data) 
    27572 File
    27573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27574 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27575 if v.display: 
    27576 File
    27577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27578 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27579 return self._any_displayed_positions and len(self._positions) > 0 
    27580 TypeError: object of type 'NoneType' has no len() 
    27581  
    27582 During handling of the above exception, another exception occurred: 
    27583  
    27584 Traceback (most recent call last): 
    27585 File
    27586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27587 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27588 if not self.draw_new_frame(): 
    27589 File
    27590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27591 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27592 changed = view.check_for_drawing_change() 
    27593 File
    27594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27595 packages/chimerax/core/graphics/view.py", line 252, in
    27596 check_for_drawing_change 
    27597 trig.activate_trigger('graphics update', self) 
    27598 File
    27599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27600 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27601 trigger.activate(data) 
    27602 File
    27603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27604 packages/chimerax/core/triggerset.py", line 190, in activate 
    27605 ret = handler.invoke(data, self._remove_bad_handlers) 
    27606 File
    27607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27608 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27609 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27610 File
    27611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27612 packages/chimerax/core/session.py", line 943, in <lambda> 
    27613 logger.report_exception(preface=preface)) 
    27614 File
    27615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27616 packages/chimerax/core/logger.py", line 421, in report_exception 
    27617 elif probably_chimera1_session(exc_info): 
    27618 File
    27619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27620 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27621 etype, evalue, etraceback = exc_info 
    27622 TypeError: cannot unpack non-iterable NoneType object 
    27623  
    27624 TypeError: cannot unpack non-iterable NoneType object 
    27625  
    27626 File
    27627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27628 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27629 etype, evalue, etraceback = exc_info 
    27630  
    27631 See log for complete Python traceback. 
    27632  
    27633 Traceback (most recent call last): 
    27634 File
    27635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27636 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27637 return self._func(self._name, data) 
    27638 File
    27639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27640 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27641 if v.display: 
    27642 File
    27643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27644 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27645 return self._any_displayed_positions and len(self._positions) > 0 
    27646 TypeError: object of type 'NoneType' has no len() 
    27647  
    27648 During handling of the above exception, another exception occurred: 
    27649  
    27650 Traceback (most recent call last): 
    27651 File
    27652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27653 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27654 if not self.draw_new_frame(): 
    27655 File
    27656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27657 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27658 changed = view.check_for_drawing_change() 
    27659 File
    27660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27661 packages/chimerax/core/graphics/view.py", line 252, in
    27662 check_for_drawing_change 
    27663 trig.activate_trigger('graphics update', self) 
    27664 File
    27665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27666 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27667 trigger.activate(data) 
    27668 File
    27669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27670 packages/chimerax/core/triggerset.py", line 190, in activate 
    27671 ret = handler.invoke(data, self._remove_bad_handlers) 
    27672 File
    27673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27674 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27675 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27676 File
    27677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27678 packages/chimerax/core/session.py", line 943, in <lambda> 
    27679 logger.report_exception(preface=preface)) 
    27680 File
    27681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27682 packages/chimerax/core/logger.py", line 421, in report_exception 
    27683 elif probably_chimera1_session(exc_info): 
    27684 File
    27685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27686 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27687 etype, evalue, etraceback = exc_info 
    27688 TypeError: cannot unpack non-iterable NoneType object 
    27689  
    27690 TypeError: cannot unpack non-iterable NoneType object 
    27691  
    27692 File
    27693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27694 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27695 etype, evalue, etraceback = exc_info 
    27696  
    27697 See log for complete Python traceback. 
    27698  
    27699 Traceback (most recent call last): 
    27700 File
    27701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27702 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27703 return self._func(self._name, data) 
    27704 File
    27705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27706 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27707 if v.display: 
    27708 File
    27709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27710 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27711 return self._any_displayed_positions and len(self._positions) > 0 
    27712 TypeError: object of type 'NoneType' has no len() 
    27713  
    27714 During handling of the above exception, another exception occurred: 
    27715  
    27716 Traceback (most recent call last): 
    27717 File
    27718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27719 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27720 if not self.draw_new_frame(): 
    27721 File
    27722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27723 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27724 changed = view.check_for_drawing_change() 
    27725 File
    27726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27727 packages/chimerax/core/graphics/view.py", line 252, in
    27728 check_for_drawing_change 
    27729 trig.activate_trigger('graphics update', self) 
    27730 File
    27731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27732 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27733 trigger.activate(data) 
    27734 File
    27735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27736 packages/chimerax/core/triggerset.py", line 190, in activate 
    27737 ret = handler.invoke(data, self._remove_bad_handlers) 
    27738 File
    27739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27740 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27741 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27742 File
    27743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27744 packages/chimerax/core/session.py", line 943, in <lambda> 
    27745 logger.report_exception(preface=preface)) 
    27746 File
    27747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27748 packages/chimerax/core/logger.py", line 421, in report_exception 
    27749 elif probably_chimera1_session(exc_info): 
    27750 File
    27751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27752 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27753 etype, evalue, etraceback = exc_info 
    27754 TypeError: cannot unpack non-iterable NoneType object 
    27755  
    27756 TypeError: cannot unpack non-iterable NoneType object 
    27757  
    27758 File
    27759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27760 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27761 etype, evalue, etraceback = exc_info 
    27762  
    27763 See log for complete Python traceback. 
    27764  
    27765 Traceback (most recent call last): 
    27766 File
    27767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27769 return self._func(self._name, data) 
    27770 File
    27771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27772 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27773 if v.display: 
    27774 File
    27775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27776 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27777 return self._any_displayed_positions and len(self._positions) > 0 
    27778 TypeError: object of type 'NoneType' has no len() 
    27779  
    27780 During handling of the above exception, another exception occurred: 
    27781  
    27782 Traceback (most recent call last): 
    27783 File
    27784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27785 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27786 if not self.draw_new_frame(): 
    27787 File
    27788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27789 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27790 changed = view.check_for_drawing_change() 
    27791 File
    27792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27793 packages/chimerax/core/graphics/view.py", line 252, in
    27794 check_for_drawing_change 
    27795 trig.activate_trigger('graphics update', self) 
    27796 File
    27797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27798 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27799 trigger.activate(data) 
    27800 File
    27801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27802 packages/chimerax/core/triggerset.py", line 190, in activate 
    27803 ret = handler.invoke(data, self._remove_bad_handlers) 
    27804 File
    27805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27806 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27807 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27808 File
    27809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27810 packages/chimerax/core/session.py", line 943, in <lambda> 
    27811 logger.report_exception(preface=preface)) 
    27812 File
    27813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27814 packages/chimerax/core/logger.py", line 421, in report_exception 
    27815 elif probably_chimera1_session(exc_info): 
    27816 File
    27817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27818 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27819 etype, evalue, etraceback = exc_info 
    27820 TypeError: cannot unpack non-iterable NoneType object 
    27821  
    27822 TypeError: cannot unpack non-iterable NoneType object 
    27823  
    27824 File
    27825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27826 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27827 etype, evalue, etraceback = exc_info 
    27828  
    27829 See log for complete Python traceback. 
    27830  
    27831 Traceback (most recent call last): 
    27832 File
    27833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27834 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27835 return self._func(self._name, data) 
    27836 File
    27837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27838 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27839 if v.display: 
    27840 File
    27841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27842 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27843 return self._any_displayed_positions and len(self._positions) > 0 
    27844 TypeError: object of type 'NoneType' has no len() 
    27845  
    27846 During handling of the above exception, another exception occurred: 
    27847  
    27848 Traceback (most recent call last): 
    27849 File
    27850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27851 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27852 if not self.draw_new_frame(): 
    27853 File
    27854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27855 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27856 changed = view.check_for_drawing_change() 
    27857 File
    27858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27859 packages/chimerax/core/graphics/view.py", line 252, in
    27860 check_for_drawing_change 
    27861 trig.activate_trigger('graphics update', self) 
    27862 File
    27863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27864 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27865 trigger.activate(data) 
    27866 File
    27867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27868 packages/chimerax/core/triggerset.py", line 190, in activate 
    27869 ret = handler.invoke(data, self._remove_bad_handlers) 
    27870 File
    27871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27872 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27873 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27874 File
    27875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27876 packages/chimerax/core/session.py", line 943, in <lambda> 
    27877 logger.report_exception(preface=preface)) 
    27878 File
    27879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27880 packages/chimerax/core/logger.py", line 421, in report_exception 
    27881 elif probably_chimera1_session(exc_info): 
    27882 File
    27883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27884 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27885 etype, evalue, etraceback = exc_info 
    27886 TypeError: cannot unpack non-iterable NoneType object 
    27887  
    27888 TypeError: cannot unpack non-iterable NoneType object 
    27889  
    27890 File
    27891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27892 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27893 etype, evalue, etraceback = exc_info 
    27894  
    27895 See log for complete Python traceback. 
    27896  
    27897 Traceback (most recent call last): 
    27898 File
    27899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27900 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27901 return self._func(self._name, data) 
    27902 File
    27903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27904 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27905 if v.display: 
    27906 File
    27907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27908 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27909 return self._any_displayed_positions and len(self._positions) > 0 
    27910 TypeError: object of type 'NoneType' has no len() 
    27911  
    27912 During handling of the above exception, another exception occurred: 
    27913  
    27914 Traceback (most recent call last): 
    27915 File
    27916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27917 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27918 if not self.draw_new_frame(): 
    27919 File
    27920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27921 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27922 changed = view.check_for_drawing_change() 
    27923 File
    27924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27925 packages/chimerax/core/graphics/view.py", line 252, in
    27926 check_for_drawing_change 
    27927 trig.activate_trigger('graphics update', self) 
    27928 File
    27929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27930 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27931 trigger.activate(data) 
    27932 File
    27933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27934 packages/chimerax/core/triggerset.py", line 190, in activate 
    27935 ret = handler.invoke(data, self._remove_bad_handlers) 
    27936 File
    27937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27938 packages/chimerax/core/triggerset.py", line 132, in invoke 
    27939 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    27940 File
    27941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27942 packages/chimerax/core/session.py", line 943, in <lambda> 
    27943 logger.report_exception(preface=preface)) 
    27944 File
    27945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27946 packages/chimerax/core/logger.py", line 421, in report_exception 
    27947 elif probably_chimera1_session(exc_info): 
    27948 File
    27949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27950 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27951 etype, evalue, etraceback = exc_info 
    27952 TypeError: cannot unpack non-iterable NoneType object 
    27953  
    27954 TypeError: cannot unpack non-iterable NoneType object 
    27955  
    27956 File
    27957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27958 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    27959 etype, evalue, etraceback = exc_info 
    27960  
    27961 See log for complete Python traceback. 
    27962  
    27963 Traceback (most recent call last): 
    27964 File
    27965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27966 packages/chimerax/core/triggerset.py", line 130, in invoke 
    27967 return self._func(self._name, data) 
    27968 File
    27969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27970 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    27971 if v.display: 
    27972 File
    27973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27974 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    27975 return self._any_displayed_positions and len(self._positions) > 0 
    27976 TypeError: object of type 'NoneType' has no len() 
    27977  
    27978 During handling of the above exception, another exception occurred: 
    27979  
    27980 Traceback (most recent call last): 
    27981 File
    27982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27983 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    27984 if not self.draw_new_frame(): 
    27985 File
    27986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27987 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    27988 changed = view.check_for_drawing_change() 
    27989 File
    27990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27991 packages/chimerax/core/graphics/view.py", line 252, in
    27992 check_for_drawing_change 
    27993 trig.activate_trigger('graphics update', self) 
    27994 File
    27995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    27996 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    27997 trigger.activate(data) 
    27998 File
    27999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28000 packages/chimerax/core/triggerset.py", line 190, in activate 
    28001 ret = handler.invoke(data, self._remove_bad_handlers) 
    28002 File
    28003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28004 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28005 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28006 File
    28007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28008 packages/chimerax/core/session.py", line 943, in <lambda> 
    28009 logger.report_exception(preface=preface)) 
    28010 File
    28011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28012 packages/chimerax/core/logger.py", line 421, in report_exception 
    28013 elif probably_chimera1_session(exc_info): 
    28014 File
    28015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28016 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28017 etype, evalue, etraceback = exc_info 
    28018 TypeError: cannot unpack non-iterable NoneType object 
    28019  
    28020 TypeError: cannot unpack non-iterable NoneType object 
    28021  
    28022 File
    28023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28024 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28025 etype, evalue, etraceback = exc_info 
    28026  
    28027 See log for complete Python traceback. 
    28028  
    28029 Traceback (most recent call last): 
    28030 File
    28031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28032 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28033 return self._func(self._name, data) 
    28034 File
    28035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28036 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28037 if v.display: 
    28038 File
    28039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28040 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28041 return self._any_displayed_positions and len(self._positions) > 0 
    28042 TypeError: object of type 'NoneType' has no len() 
    28043  
    28044 During handling of the above exception, another exception occurred: 
    28045  
    28046 Traceback (most recent call last): 
    28047 File
    28048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28049 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28050 if not self.draw_new_frame(): 
    28051 File
    28052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28053 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28054 changed = view.check_for_drawing_change() 
    28055 File
    28056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28057 packages/chimerax/core/graphics/view.py", line 252, in
    28058 check_for_drawing_change 
    28059 trig.activate_trigger('graphics update', self) 
    28060 File
    28061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28062 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28063 trigger.activate(data) 
    28064 File
    28065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28066 packages/chimerax/core/triggerset.py", line 190, in activate 
    28067 ret = handler.invoke(data, self._remove_bad_handlers) 
    28068 File
    28069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28070 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28071 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28072 File
    28073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28074 packages/chimerax/core/session.py", line 943, in <lambda> 
    28075 logger.report_exception(preface=preface)) 
    28076 File
    28077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28078 packages/chimerax/core/logger.py", line 421, in report_exception 
    28079 elif probably_chimera1_session(exc_info): 
    28080 File
    28081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28082 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28083 etype, evalue, etraceback = exc_info 
    28084 TypeError: cannot unpack non-iterable NoneType object 
    28085  
    28086 TypeError: cannot unpack non-iterable NoneType object 
    28087  
    28088 File
    28089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28090 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28091 etype, evalue, etraceback = exc_info 
    28092  
    28093 See log for complete Python traceback. 
    28094  
    28095 Traceback (most recent call last): 
    28096 File
    28097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28098 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28099 return self._func(self._name, data) 
    28100 File
    28101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28102 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28103 if v.display: 
    28104 File
    28105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28106 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28107 return self._any_displayed_positions and len(self._positions) > 0 
    28108 TypeError: object of type 'NoneType' has no len() 
    28109  
    28110 During handling of the above exception, another exception occurred: 
    28111  
    28112 Traceback (most recent call last): 
    28113 File
    28114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28115 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28116 if not self.draw_new_frame(): 
    28117 File
    28118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28119 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28120 changed = view.check_for_drawing_change() 
    28121 File
    28122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28123 packages/chimerax/core/graphics/view.py", line 252, in
    28124 check_for_drawing_change 
    28125 trig.activate_trigger('graphics update', self) 
    28126 File
    28127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28128 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28129 trigger.activate(data) 
    28130 File
    28131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28132 packages/chimerax/core/triggerset.py", line 190, in activate 
    28133 ret = handler.invoke(data, self._remove_bad_handlers) 
    28134 File
    28135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28136 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28137 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28138 File
    28139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28140 packages/chimerax/core/session.py", line 943, in <lambda> 
    28141 logger.report_exception(preface=preface)) 
    28142 File
    28143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28144 packages/chimerax/core/logger.py", line 421, in report_exception 
    28145 elif probably_chimera1_session(exc_info): 
    28146 File
    28147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28148 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28149 etype, evalue, etraceback = exc_info 
    28150 TypeError: cannot unpack non-iterable NoneType object 
    28151  
    28152 TypeError: cannot unpack non-iterable NoneType object 
    28153  
    28154 File
    28155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28156 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28157 etype, evalue, etraceback = exc_info 
    28158  
    28159 See log for complete Python traceback. 
    28160  
    28161 Traceback (most recent call last): 
    28162 File
    28163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28164 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28165 return self._func(self._name, data) 
    28166 File
    28167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28168 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28169 if v.display: 
    28170 File
    28171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28172 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28173 return self._any_displayed_positions and len(self._positions) > 0 
    28174 TypeError: object of type 'NoneType' has no len() 
    28175  
    28176 During handling of the above exception, another exception occurred: 
    28177  
    28178 Traceback (most recent call last): 
    28179 File
    28180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28181 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28182 if not self.draw_new_frame(): 
    28183 File
    28184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28185 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28186 changed = view.check_for_drawing_change() 
    28187 File
    28188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28189 packages/chimerax/core/graphics/view.py", line 252, in
    28190 check_for_drawing_change 
    28191 trig.activate_trigger('graphics update', self) 
    28192 File
    28193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28194 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28195 trigger.activate(data) 
    28196 File
    28197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28198 packages/chimerax/core/triggerset.py", line 190, in activate 
    28199 ret = handler.invoke(data, self._remove_bad_handlers) 
    28200 File
    28201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28202 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28203 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28204 File
    28205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28206 packages/chimerax/core/session.py", line 943, in <lambda> 
    28207 logger.report_exception(preface=preface)) 
    28208 File
    28209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28210 packages/chimerax/core/logger.py", line 421, in report_exception 
    28211 elif probably_chimera1_session(exc_info): 
    28212 File
    28213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28214 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28215 etype, evalue, etraceback = exc_info 
    28216 TypeError: cannot unpack non-iterable NoneType object 
    28217  
    28218 TypeError: cannot unpack non-iterable NoneType object 
    28219  
    28220 File
    28221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28222 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28223 etype, evalue, etraceback = exc_info 
    28224  
    28225 See log for complete Python traceback. 
    28226  
    28227 Traceback (most recent call last): 
    28228 File
    28229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28230 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28231 return self._func(self._name, data) 
    28232 File
    28233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28234 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28235 if v.display: 
    28236 File
    28237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28238 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28239 return self._any_displayed_positions and len(self._positions) > 0 
    28240 TypeError: object of type 'NoneType' has no len() 
    28241  
    28242 During handling of the above exception, another exception occurred: 
    28243  
    28244 Traceback (most recent call last): 
    28245 File
    28246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28247 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28248 if not self.draw_new_frame(): 
    28249 File
    28250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28251 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28252 changed = view.check_for_drawing_change() 
    28253 File
    28254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28255 packages/chimerax/core/graphics/view.py", line 252, in
    28256 check_for_drawing_change 
    28257 trig.activate_trigger('graphics update', self) 
    28258 File
    28259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28260 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28261 trigger.activate(data) 
    28262 File
    28263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28264 packages/chimerax/core/triggerset.py", line 190, in activate 
    28265 ret = handler.invoke(data, self._remove_bad_handlers) 
    28266 File
    28267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28268 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28269 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28270 File
    28271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28272 packages/chimerax/core/session.py", line 943, in <lambda> 
    28273 logger.report_exception(preface=preface)) 
    28274 File
    28275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28276 packages/chimerax/core/logger.py", line 421, in report_exception 
    28277 elif probably_chimera1_session(exc_info): 
    28278 File
    28279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28280 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28281 etype, evalue, etraceback = exc_info 
    28282 TypeError: cannot unpack non-iterable NoneType object 
    28283  
    28284 TypeError: cannot unpack non-iterable NoneType object 
    28285  
    28286 File
    28287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28288 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28289 etype, evalue, etraceback = exc_info 
    28290  
    28291 See log for complete Python traceback. 
    28292  
    28293 Traceback (most recent call last): 
    28294 File
    28295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28296 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28297 return self._func(self._name, data) 
    28298 File
    28299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28300 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28301 if v.display: 
    28302 File
    28303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28304 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28305 return self._any_displayed_positions and len(self._positions) > 0 
    28306 TypeError: object of type 'NoneType' has no len() 
    28307  
    28308 During handling of the above exception, another exception occurred: 
    28309  
    28310 Traceback (most recent call last): 
    28311 File
    28312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28313 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28314 if not self.draw_new_frame(): 
    28315 File
    28316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28317 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28318 changed = view.check_for_drawing_change() 
    28319 File
    28320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28321 packages/chimerax/core/graphics/view.py", line 252, in
    28322 check_for_drawing_change 
    28323 trig.activate_trigger('graphics update', self) 
    28324 File
    28325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28326 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28327 trigger.activate(data) 
    28328 File
    28329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28330 packages/chimerax/core/triggerset.py", line 190, in activate 
    28331 ret = handler.invoke(data, self._remove_bad_handlers) 
    28332 File
    28333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28334 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28335 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28336 File
    28337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28338 packages/chimerax/core/session.py", line 943, in <lambda> 
    28339 logger.report_exception(preface=preface)) 
    28340 File
    28341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28342 packages/chimerax/core/logger.py", line 421, in report_exception 
    28343 elif probably_chimera1_session(exc_info): 
    28344 File
    28345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28346 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28347 etype, evalue, etraceback = exc_info 
    28348 TypeError: cannot unpack non-iterable NoneType object 
    28349  
    28350 TypeError: cannot unpack non-iterable NoneType object 
    28351  
    28352 File
    28353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28354 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28355 etype, evalue, etraceback = exc_info 
    28356  
    28357 See log for complete Python traceback. 
    28358  
    28359 Traceback (most recent call last): 
    28360 File
    28361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28362 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28363 return self._func(self._name, data) 
    28364 File
    28365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28366 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28367 if v.display: 
    28368 File
    28369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28370 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28371 return self._any_displayed_positions and len(self._positions) > 0 
    28372 TypeError: object of type 'NoneType' has no len() 
    28373  
    28374 During handling of the above exception, another exception occurred: 
    28375  
    28376 Traceback (most recent call last): 
    28377 File
    28378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28379 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28380 if not self.draw_new_frame(): 
    28381 File
    28382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28383 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28384 changed = view.check_for_drawing_change() 
    28385 File
    28386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28387 packages/chimerax/core/graphics/view.py", line 252, in
    28388 check_for_drawing_change 
    28389 trig.activate_trigger('graphics update', self) 
    28390 File
    28391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28392 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28393 trigger.activate(data) 
    28394 File
    28395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28396 packages/chimerax/core/triggerset.py", line 190, in activate 
    28397 ret = handler.invoke(data, self._remove_bad_handlers) 
    28398 File
    28399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28400 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28401 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28402 File
    28403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28404 packages/chimerax/core/session.py", line 943, in <lambda> 
    28405 logger.report_exception(preface=preface)) 
    28406 File
    28407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28408 packages/chimerax/core/logger.py", line 421, in report_exception 
    28409 elif probably_chimera1_session(exc_info): 
    28410 File
    28411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28412 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28413 etype, evalue, etraceback = exc_info 
    28414 TypeError: cannot unpack non-iterable NoneType object 
    28415  
    28416 TypeError: cannot unpack non-iterable NoneType object 
    28417  
    28418 File
    28419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28420 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28421 etype, evalue, etraceback = exc_info 
    28422  
    28423 See log for complete Python traceback. 
    28424  
    28425 Traceback (most recent call last): 
    28426 File
    28427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28428 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28429 return self._func(self._name, data) 
    28430 File
    28431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28432 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28433 if v.display: 
    28434 File
    28435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28436 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28437 return self._any_displayed_positions and len(self._positions) > 0 
    28438 TypeError: object of type 'NoneType' has no len() 
    28439  
    28440 During handling of the above exception, another exception occurred: 
    28441  
    28442 Traceback (most recent call last): 
    28443 File
    28444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28445 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28446 if not self.draw_new_frame(): 
    28447 File
    28448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28449 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28450 changed = view.check_for_drawing_change() 
    28451 File
    28452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28453 packages/chimerax/core/graphics/view.py", line 252, in
    28454 check_for_drawing_change 
    28455 trig.activate_trigger('graphics update', self) 
    28456 File
    28457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28458 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28459 trigger.activate(data) 
    28460 File
    28461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28462 packages/chimerax/core/triggerset.py", line 190, in activate 
    28463 ret = handler.invoke(data, self._remove_bad_handlers) 
    28464 File
    28465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28466 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28467 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28468 File
    28469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28470 packages/chimerax/core/session.py", line 943, in <lambda> 
    28471 logger.report_exception(preface=preface)) 
    28472 File
    28473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28474 packages/chimerax/core/logger.py", line 421, in report_exception 
    28475 elif probably_chimera1_session(exc_info): 
    28476 File
    28477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28478 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28479 etype, evalue, etraceback = exc_info 
    28480 TypeError: cannot unpack non-iterable NoneType object 
    28481  
    28482 TypeError: cannot unpack non-iterable NoneType object 
    28483  
    28484 File
    28485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28486 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28487 etype, evalue, etraceback = exc_info 
    28488  
    28489 See log for complete Python traceback. 
    28490  
    28491 Traceback (most recent call last): 
    28492 File
    28493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28494 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28495 return self._func(self._name, data) 
    28496 File
    28497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28498 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28499 if v.display: 
    28500 File
    28501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28502 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28503 return self._any_displayed_positions and len(self._positions) > 0 
    28504 TypeError: object of type 'NoneType' has no len() 
    28505  
    28506 During handling of the above exception, another exception occurred: 
    28507  
    28508 Traceback (most recent call last): 
    28509 File
    28510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28511 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28512 if not self.draw_new_frame(): 
    28513 File
    28514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28515 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28516 changed = view.check_for_drawing_change() 
    28517 File
    28518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28519 packages/chimerax/core/graphics/view.py", line 252, in
    28520 check_for_drawing_change 
    28521 trig.activate_trigger('graphics update', self) 
    28522 File
    28523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28524 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28525 trigger.activate(data) 
    28526 File
    28527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28528 packages/chimerax/core/triggerset.py", line 190, in activate 
    28529 ret = handler.invoke(data, self._remove_bad_handlers) 
    28530 File
    28531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28532 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28533 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28534 File
    28535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28536 packages/chimerax/core/session.py", line 943, in <lambda> 
    28537 logger.report_exception(preface=preface)) 
    28538 File
    28539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28540 packages/chimerax/core/logger.py", line 421, in report_exception 
    28541 elif probably_chimera1_session(exc_info): 
    28542 File
    28543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28544 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28545 etype, evalue, etraceback = exc_info 
    28546 TypeError: cannot unpack non-iterable NoneType object 
    28547  
    28548 TypeError: cannot unpack non-iterable NoneType object 
    28549  
    28550 File
    28551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28552 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28553 etype, evalue, etraceback = exc_info 
    28554  
    28555 See log for complete Python traceback. 
    28556  
    28557 Traceback (most recent call last): 
    28558 File
    28559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28560 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28561 return self._func(self._name, data) 
    28562 File
    28563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28564 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28565 if v.display: 
    28566 File
    28567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28568 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28569 return self._any_displayed_positions and len(self._positions) > 0 
    28570 TypeError: object of type 'NoneType' has no len() 
    28571  
    28572 During handling of the above exception, another exception occurred: 
    28573  
    28574 Traceback (most recent call last): 
    28575 File
    28576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28577 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28578 if not self.draw_new_frame(): 
    28579 File
    28580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28581 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28582 changed = view.check_for_drawing_change() 
    28583 File
    28584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28585 packages/chimerax/core/graphics/view.py", line 252, in
    28586 check_for_drawing_change 
    28587 trig.activate_trigger('graphics update', self) 
    28588 File
    28589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28590 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28591 trigger.activate(data) 
    28592 File
    28593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28594 packages/chimerax/core/triggerset.py", line 190, in activate 
    28595 ret = handler.invoke(data, self._remove_bad_handlers) 
    28596 File
    28597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28598 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28599 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28600 File
    28601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28602 packages/chimerax/core/session.py", line 943, in <lambda> 
    28603 logger.report_exception(preface=preface)) 
    28604 File
    28605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28606 packages/chimerax/core/logger.py", line 421, in report_exception 
    28607 elif probably_chimera1_session(exc_info): 
    28608 File
    28609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28610 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28611 etype, evalue, etraceback = exc_info 
    28612 TypeError: cannot unpack non-iterable NoneType object 
    28613  
    28614 TypeError: cannot unpack non-iterable NoneType object 
    28615  
    28616 File
    28617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28618 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28619 etype, evalue, etraceback = exc_info 
    28620  
    28621 See log for complete Python traceback. 
    28622  
    28623 Traceback (most recent call last): 
    28624 File
    28625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28626 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28627 return self._func(self._name, data) 
    28628 File
    28629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28630 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28631 if v.display: 
    28632 File
    28633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28634 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28635 return self._any_displayed_positions and len(self._positions) > 0 
    28636 TypeError: object of type 'NoneType' has no len() 
    28637  
    28638 During handling of the above exception, another exception occurred: 
    28639  
    28640 Traceback (most recent call last): 
    28641 File
    28642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28643 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28644 if not self.draw_new_frame(): 
    28645 File
    28646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28647 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28648 changed = view.check_for_drawing_change() 
    28649 File
    28650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28651 packages/chimerax/core/graphics/view.py", line 252, in
    28652 check_for_drawing_change 
    28653 trig.activate_trigger('graphics update', self) 
    28654 File
    28655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28656 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28657 trigger.activate(data) 
    28658 File
    28659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28660 packages/chimerax/core/triggerset.py", line 190, in activate 
    28661 ret = handler.invoke(data, self._remove_bad_handlers) 
    28662 File
    28663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28664 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28665 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28666 File
    28667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28668 packages/chimerax/core/session.py", line 943, in <lambda> 
    28669 logger.report_exception(preface=preface)) 
    28670 File
    28671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28672 packages/chimerax/core/logger.py", line 421, in report_exception 
    28673 elif probably_chimera1_session(exc_info): 
    28674 File
    28675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28676 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28677 etype, evalue, etraceback = exc_info 
    28678 TypeError: cannot unpack non-iterable NoneType object 
    28679  
    28680 TypeError: cannot unpack non-iterable NoneType object 
    28681  
    28682 File
    28683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28684 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28685 etype, evalue, etraceback = exc_info 
    28686  
    28687 See log for complete Python traceback. 
    28688  
    28689 Traceback (most recent call last): 
    28690 File
    28691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28692 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28693 return self._func(self._name, data) 
    28694 File
    28695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28696 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28697 if v.display: 
    28698 File
    28699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28700 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28701 return self._any_displayed_positions and len(self._positions) > 0 
    28702 TypeError: object of type 'NoneType' has no len() 
    28703  
    28704 During handling of the above exception, another exception occurred: 
    28705  
    28706 Traceback (most recent call last): 
    28707 File
    28708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28709 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28710 if not self.draw_new_frame(): 
    28711 File
    28712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28713 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28714 changed = view.check_for_drawing_change() 
    28715 File
    28716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28717 packages/chimerax/core/graphics/view.py", line 252, in
    28718 check_for_drawing_change 
    28719 trig.activate_trigger('graphics update', self) 
    28720 File
    28721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28722 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28723 trigger.activate(data) 
    28724 File
    28725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28726 packages/chimerax/core/triggerset.py", line 190, in activate 
    28727 ret = handler.invoke(data, self._remove_bad_handlers) 
    28728 File
    28729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28730 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28731 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28732 File
    28733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28734 packages/chimerax/core/session.py", line 943, in <lambda> 
    28735 logger.report_exception(preface=preface)) 
    28736 File
    28737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28738 packages/chimerax/core/logger.py", line 421, in report_exception 
    28739 elif probably_chimera1_session(exc_info): 
    28740 File
    28741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28742 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28743 etype, evalue, etraceback = exc_info 
    28744 TypeError: cannot unpack non-iterable NoneType object 
    28745  
    28746 TypeError: cannot unpack non-iterable NoneType object 
    28747  
    28748 File
    28749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28750 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28751 etype, evalue, etraceback = exc_info 
    28752  
    28753 See log for complete Python traceback. 
    28754  
    28755 Traceback (most recent call last): 
    28756 File
    28757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28758 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28759 return self._func(self._name, data) 
    28760 File
    28761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28762 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28763 if v.display: 
    28764 File
    28765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28766 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28767 return self._any_displayed_positions and len(self._positions) > 0 
    28768 TypeError: object of type 'NoneType' has no len() 
    28769  
    28770 During handling of the above exception, another exception occurred: 
    28771  
    28772 Traceback (most recent call last): 
    28773 File
    28774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28775 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28776 if not self.draw_new_frame(): 
    28777 File
    28778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28779 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28780 changed = view.check_for_drawing_change() 
    28781 File
    28782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28783 packages/chimerax/core/graphics/view.py", line 252, in
    28784 check_for_drawing_change 
    28785 trig.activate_trigger('graphics update', self) 
    28786 File
    28787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28788 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28789 trigger.activate(data) 
    28790 File
    28791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28792 packages/chimerax/core/triggerset.py", line 190, in activate 
    28793 ret = handler.invoke(data, self._remove_bad_handlers) 
    28794 File
    28795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28796 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28797 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28798 File
    28799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28800 packages/chimerax/core/session.py", line 943, in <lambda> 
    28801 logger.report_exception(preface=preface)) 
    28802 File
    28803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28804 packages/chimerax/core/logger.py", line 421, in report_exception 
    28805 elif probably_chimera1_session(exc_info): 
    28806 File
    28807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28808 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28809 etype, evalue, etraceback = exc_info 
    28810 TypeError: cannot unpack non-iterable NoneType object 
    28811  
    28812 TypeError: cannot unpack non-iterable NoneType object 
    28813  
    28814 File
    28815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28816 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28817 etype, evalue, etraceback = exc_info 
    28818  
    28819 See log for complete Python traceback. 
    28820  
    28821 Traceback (most recent call last): 
    28822 File
    28823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28824 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28825 return self._func(self._name, data) 
    28826 File
    28827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28828 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28829 if v.display: 
    28830 File
    28831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28832 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28833 return self._any_displayed_positions and len(self._positions) > 0 
    28834 TypeError: object of type 'NoneType' has no len() 
    28835  
    28836 During handling of the above exception, another exception occurred: 
    28837  
    28838 Traceback (most recent call last): 
    28839 File
    28840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28841 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28842 if not self.draw_new_frame(): 
    28843 File
    28844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28845 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28846 changed = view.check_for_drawing_change() 
    28847 File
    28848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28849 packages/chimerax/core/graphics/view.py", line 252, in
    28850 check_for_drawing_change 
    28851 trig.activate_trigger('graphics update', self) 
    28852 File
    28853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28854 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28855 trigger.activate(data) 
    28856 File
    28857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28858 packages/chimerax/core/triggerset.py", line 190, in activate 
    28859 ret = handler.invoke(data, self._remove_bad_handlers) 
    28860 File
    28861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28862 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28863 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28864 File
    28865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28866 packages/chimerax/core/session.py", line 943, in <lambda> 
    28867 logger.report_exception(preface=preface)) 
    28868 File
    28869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28870 packages/chimerax/core/logger.py", line 421, in report_exception 
    28871 elif probably_chimera1_session(exc_info): 
    28872 File
    28873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28874 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28875 etype, evalue, etraceback = exc_info 
    28876 TypeError: cannot unpack non-iterable NoneType object 
    28877  
    28878 TypeError: cannot unpack non-iterable NoneType object 
    28879  
    28880 File
    28881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28882 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28883 etype, evalue, etraceback = exc_info 
    28884  
    28885 See log for complete Python traceback. 
    28886  
    28887 Traceback (most recent call last): 
    28888 File
    28889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28890 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28891 return self._func(self._name, data) 
    28892 File
    28893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28894 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28895 if v.display: 
    28896 File
    28897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28898 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28899 return self._any_displayed_positions and len(self._positions) > 0 
    28900 TypeError: object of type 'NoneType' has no len() 
    28901  
    28902 During handling of the above exception, another exception occurred: 
    28903  
    28904 Traceback (most recent call last): 
    28905 File
    28906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28907 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28908 if not self.draw_new_frame(): 
    28909 File
    28910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28911 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28912 changed = view.check_for_drawing_change() 
    28913 File
    28914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28915 packages/chimerax/core/graphics/view.py", line 252, in
    28916 check_for_drawing_change 
    28917 trig.activate_trigger('graphics update', self) 
    28918 File
    28919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28920 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28921 trigger.activate(data) 
    28922 File
    28923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28924 packages/chimerax/core/triggerset.py", line 190, in activate 
    28925 ret = handler.invoke(data, self._remove_bad_handlers) 
    28926 File
    28927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28928 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28929 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28930 File
    28931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28932 packages/chimerax/core/session.py", line 943, in <lambda> 
    28933 logger.report_exception(preface=preface)) 
    28934 File
    28935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28936 packages/chimerax/core/logger.py", line 421, in report_exception 
    28937 elif probably_chimera1_session(exc_info): 
    28938 File
    28939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28940 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28941 etype, evalue, etraceback = exc_info 
    28942 TypeError: cannot unpack non-iterable NoneType object 
    28943  
    28944 TypeError: cannot unpack non-iterable NoneType object 
    28945  
    28946 File
    28947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28948 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    28949 etype, evalue, etraceback = exc_info 
    28950  
    28951 See log for complete Python traceback. 
    28952  
    28953 Traceback (most recent call last): 
    28954 File
    28955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28956 packages/chimerax/core/triggerset.py", line 130, in invoke 
    28957 return self._func(self._name, data) 
    28958 File
    28959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28960 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    28961 if v.display: 
    28962 File
    28963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28964 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    28965 return self._any_displayed_positions and len(self._positions) > 0 
    28966 TypeError: object of type 'NoneType' has no len() 
    28967  
    28968 During handling of the above exception, another exception occurred: 
    28969  
    28970 Traceback (most recent call last): 
    28971 File
    28972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28973 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    28974 if not self.draw_new_frame(): 
    28975 File
    28976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28977 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    28978 changed = view.check_for_drawing_change() 
    28979 File
    28980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28981 packages/chimerax/core/graphics/view.py", line 252, in
    28982 check_for_drawing_change 
    28983 trig.activate_trigger('graphics update', self) 
    28984 File
    28985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28986 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    28987 trigger.activate(data) 
    28988 File
    28989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28990 packages/chimerax/core/triggerset.py", line 190, in activate 
    28991 ret = handler.invoke(data, self._remove_bad_handlers) 
    28992 File
    28993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28994 packages/chimerax/core/triggerset.py", line 132, in invoke 
    28995 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    28996 File
    28997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    28998 packages/chimerax/core/session.py", line 943, in <lambda> 
    28999 logger.report_exception(preface=preface)) 
    29000 File
    29001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29002 packages/chimerax/core/logger.py", line 421, in report_exception 
    29003 elif probably_chimera1_session(exc_info): 
    29004 File
    29005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29006 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29007 etype, evalue, etraceback = exc_info 
    29008 TypeError: cannot unpack non-iterable NoneType object 
    29009  
    29010 TypeError: cannot unpack non-iterable NoneType object 
    29011  
    29012 File
    29013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29014 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29015 etype, evalue, etraceback = exc_info 
    29016  
    29017 See log for complete Python traceback. 
    29018  
    29019 Traceback (most recent call last): 
    29020 File
    29021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29022 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29023 return self._func(self._name, data) 
    29024 File
    29025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29026 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29027 if v.display: 
    29028 File
    29029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29030 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29031 return self._any_displayed_positions and len(self._positions) > 0 
    29032 TypeError: object of type 'NoneType' has no len() 
    29033  
    29034 During handling of the above exception, another exception occurred: 
    29035  
    29036 Traceback (most recent call last): 
    29037 File
    29038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29039 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29040 if not self.draw_new_frame(): 
    29041 File
    29042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29043 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29044 changed = view.check_for_drawing_change() 
    29045 File
    29046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29047 packages/chimerax/core/graphics/view.py", line 252, in
    29048 check_for_drawing_change 
    29049 trig.activate_trigger('graphics update', self) 
    29050 File
    29051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29052 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29053 trigger.activate(data) 
    29054 File
    29055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29056 packages/chimerax/core/triggerset.py", line 190, in activate 
    29057 ret = handler.invoke(data, self._remove_bad_handlers) 
    29058 File
    29059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29060 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29061 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29062 File
    29063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29064 packages/chimerax/core/session.py", line 943, in <lambda> 
    29065 logger.report_exception(preface=preface)) 
    29066 File
    29067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29068 packages/chimerax/core/logger.py", line 421, in report_exception 
    29069 elif probably_chimera1_session(exc_info): 
    29070 File
    29071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29072 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29073 etype, evalue, etraceback = exc_info 
    29074 TypeError: cannot unpack non-iterable NoneType object 
    29075  
    29076 TypeError: cannot unpack non-iterable NoneType object 
    29077  
    29078 File
    29079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29080 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29081 etype, evalue, etraceback = exc_info 
    29082  
    29083 See log for complete Python traceback. 
    29084  
    29085 Traceback (most recent call last): 
    29086 File
    29087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29088 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29089 return self._func(self._name, data) 
    29090 File
    29091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29092 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29093 if v.display: 
    29094 File
    29095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29096 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29097 return self._any_displayed_positions and len(self._positions) > 0 
    29098 TypeError: object of type 'NoneType' has no len() 
    29099  
    29100 During handling of the above exception, another exception occurred: 
    29101  
    29102 Traceback (most recent call last): 
    29103 File
    29104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29105 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29106 if not self.draw_new_frame(): 
    29107 File
    29108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29109 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29110 changed = view.check_for_drawing_change() 
    29111 File
    29112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29113 packages/chimerax/core/graphics/view.py", line 252, in
    29114 check_for_drawing_change 
    29115 trig.activate_trigger('graphics update', self) 
    29116 File
    29117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29118 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29119 trigger.activate(data) 
    29120 File
    29121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29122 packages/chimerax/core/triggerset.py", line 190, in activate 
    29123 ret = handler.invoke(data, self._remove_bad_handlers) 
    29124 File
    29125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29126 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29127 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29128 File
    29129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29130 packages/chimerax/core/session.py", line 943, in <lambda> 
    29131 logger.report_exception(preface=preface)) 
    29132 File
    29133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29134 packages/chimerax/core/logger.py", line 421, in report_exception 
    29135 elif probably_chimera1_session(exc_info): 
    29136 File
    29137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29138 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29139 etype, evalue, etraceback = exc_info 
    29140 TypeError: cannot unpack non-iterable NoneType object 
    29141  
    29142 TypeError: cannot unpack non-iterable NoneType object 
    29143  
    29144 File
    29145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29146 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29147 etype, evalue, etraceback = exc_info 
    29148  
    29149 See log for complete Python traceback. 
    29150  
    29151 Traceback (most recent call last): 
    29152 File
    29153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29154 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29155 return self._func(self._name, data) 
    29156 File
    29157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29158 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29159 if v.display: 
    29160 File
    29161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29162 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29163 return self._any_displayed_positions and len(self._positions) > 0 
    29164 TypeError: object of type 'NoneType' has no len() 
    29165  
    29166 During handling of the above exception, another exception occurred: 
    29167  
    29168 Traceback (most recent call last): 
    29169 File
    29170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29171 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29172 if not self.draw_new_frame(): 
    29173 File
    29174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29175 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29176 changed = view.check_for_drawing_change() 
    29177 File
    29178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29179 packages/chimerax/core/graphics/view.py", line 252, in
    29180 check_for_drawing_change 
    29181 trig.activate_trigger('graphics update', self) 
    29182 File
    29183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29184 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29185 trigger.activate(data) 
    29186 File
    29187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29188 packages/chimerax/core/triggerset.py", line 190, in activate 
    29189 ret = handler.invoke(data, self._remove_bad_handlers) 
    29190 File
    29191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29192 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29193 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29194 File
    29195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29196 packages/chimerax/core/session.py", line 943, in <lambda> 
    29197 logger.report_exception(preface=preface)) 
    29198 File
    29199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29200 packages/chimerax/core/logger.py", line 421, in report_exception 
    29201 elif probably_chimera1_session(exc_info): 
    29202 File
    29203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29204 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29205 etype, evalue, etraceback = exc_info 
    29206 TypeError: cannot unpack non-iterable NoneType object 
    29207  
    29208 TypeError: cannot unpack non-iterable NoneType object 
    29209  
    29210 File
    29211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29212 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29213 etype, evalue, etraceback = exc_info 
    29214  
    29215 See log for complete Python traceback. 
    29216  
    29217 Traceback (most recent call last): 
    29218 File
    29219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29220 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29221 return self._func(self._name, data) 
    29222 File
    29223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29224 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29225 if v.display: 
    29226 File
    29227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29228 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29229 return self._any_displayed_positions and len(self._positions) > 0 
    29230 TypeError: object of type 'NoneType' has no len() 
    29231  
    29232 During handling of the above exception, another exception occurred: 
    29233  
    29234 Traceback (most recent call last): 
    29235 File
    29236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29237 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29238 if not self.draw_new_frame(): 
    29239 File
    29240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29241 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29242 changed = view.check_for_drawing_change() 
    29243 File
    29244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29245 packages/chimerax/core/graphics/view.py", line 252, in
    29246 check_for_drawing_change 
    29247 trig.activate_trigger('graphics update', self) 
    29248 File
    29249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29250 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29251 trigger.activate(data) 
    29252 File
    29253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29254 packages/chimerax/core/triggerset.py", line 190, in activate 
    29255 ret = handler.invoke(data, self._remove_bad_handlers) 
    29256 File
    29257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29258 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29259 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29260 File
    29261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29262 packages/chimerax/core/session.py", line 943, in <lambda> 
    29263 logger.report_exception(preface=preface)) 
    29264 File
    29265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29266 packages/chimerax/core/logger.py", line 421, in report_exception 
    29267 elif probably_chimera1_session(exc_info): 
    29268 File
    29269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29270 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29271 etype, evalue, etraceback = exc_info 
    29272 TypeError: cannot unpack non-iterable NoneType object 
    29273  
    29274 TypeError: cannot unpack non-iterable NoneType object 
    29275  
    29276 File
    29277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29278 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29279 etype, evalue, etraceback = exc_info 
    29280  
    29281 See log for complete Python traceback. 
    29282  
    29283 Traceback (most recent call last): 
    29284 File
    29285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29286 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29287 return self._func(self._name, data) 
    29288 File
    29289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29290 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29291 if v.display: 
    29292 File
    29293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29294 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29295 return self._any_displayed_positions and len(self._positions) > 0 
    29296 TypeError: object of type 'NoneType' has no len() 
    29297  
    29298 During handling of the above exception, another exception occurred: 
    29299  
    29300 Traceback (most recent call last): 
    29301 File
    29302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29303 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29304 if not self.draw_new_frame(): 
    29305 File
    29306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29307 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29308 changed = view.check_for_drawing_change() 
    29309 File
    29310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29311 packages/chimerax/core/graphics/view.py", line 252, in
    29312 check_for_drawing_change 
    29313 trig.activate_trigger('graphics update', self) 
    29314 File
    29315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29316 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29317 trigger.activate(data) 
    29318 File
    29319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29320 packages/chimerax/core/triggerset.py", line 190, in activate 
    29321 ret = handler.invoke(data, self._remove_bad_handlers) 
    29322 File
    29323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29324 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29325 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29326 File
    29327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29328 packages/chimerax/core/session.py", line 943, in <lambda> 
    29329 logger.report_exception(preface=preface)) 
    29330 File
    29331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29332 packages/chimerax/core/logger.py", line 421, in report_exception 
    29333 elif probably_chimera1_session(exc_info): 
    29334 File
    29335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29336 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29337 etype, evalue, etraceback = exc_info 
    29338 TypeError: cannot unpack non-iterable NoneType object 
    29339  
    29340 TypeError: cannot unpack non-iterable NoneType object 
    29341  
    29342 File
    29343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29344 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29345 etype, evalue, etraceback = exc_info 
    29346  
    29347 See log for complete Python traceback. 
    29348  
    29349 Traceback (most recent call last): 
    29350 File
    29351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29352 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29353 return self._func(self._name, data) 
    29354 File
    29355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29356 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29357 if v.display: 
    29358 File
    29359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29360 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29361 return self._any_displayed_positions and len(self._positions) > 0 
    29362 TypeError: object of type 'NoneType' has no len() 
    29363  
    29364 During handling of the above exception, another exception occurred: 
    29365  
    29366 Traceback (most recent call last): 
    29367 File
    29368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29369 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29370 if not self.draw_new_frame(): 
    29371 File
    29372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29373 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29374 changed = view.check_for_drawing_change() 
    29375 File
    29376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29377 packages/chimerax/core/graphics/view.py", line 252, in
    29378 check_for_drawing_change 
    29379 trig.activate_trigger('graphics update', self) 
    29380 File
    29381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29382 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29383 trigger.activate(data) 
    29384 File
    29385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29386 packages/chimerax/core/triggerset.py", line 190, in activate 
    29387 ret = handler.invoke(data, self._remove_bad_handlers) 
    29388 File
    29389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29390 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29391 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29392 File
    29393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29394 packages/chimerax/core/session.py", line 943, in <lambda> 
    29395 logger.report_exception(preface=preface)) 
    29396 File
    29397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29398 packages/chimerax/core/logger.py", line 421, in report_exception 
    29399 elif probably_chimera1_session(exc_info): 
    29400 File
    29401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29402 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29403 etype, evalue, etraceback = exc_info 
    29404 TypeError: cannot unpack non-iterable NoneType object 
    29405  
    29406 TypeError: cannot unpack non-iterable NoneType object 
    29407  
    29408 File
    29409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29410 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29411 etype, evalue, etraceback = exc_info 
    29412  
    29413 See log for complete Python traceback. 
    29414  
    29415 Traceback (most recent call last): 
    29416 File
    29417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29419 return self._func(self._name, data) 
    29420 File
    29421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29422 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29423 if v.display: 
    29424 File
    29425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29426 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29427 return self._any_displayed_positions and len(self._positions) > 0 
    29428 TypeError: object of type 'NoneType' has no len() 
    29429  
    29430 During handling of the above exception, another exception occurred: 
    29431  
    29432 Traceback (most recent call last): 
    29433 File
    29434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29435 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29436 if not self.draw_new_frame(): 
    29437 File
    29438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29439 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29440 changed = view.check_for_drawing_change() 
    29441 File
    29442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29443 packages/chimerax/core/graphics/view.py", line 252, in
    29444 check_for_drawing_change 
    29445 trig.activate_trigger('graphics update', self) 
    29446 File
    29447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29448 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29449 trigger.activate(data) 
    29450 File
    29451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29452 packages/chimerax/core/triggerset.py", line 190, in activate 
    29453 ret = handler.invoke(data, self._remove_bad_handlers) 
    29454 File
    29455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29456 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29457 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29458 File
    29459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29460 packages/chimerax/core/session.py", line 943, in <lambda> 
    29461 logger.report_exception(preface=preface)) 
    29462 File
    29463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29464 packages/chimerax/core/logger.py", line 421, in report_exception 
    29465 elif probably_chimera1_session(exc_info): 
    29466 File
    29467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29468 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29469 etype, evalue, etraceback = exc_info 
    29470 TypeError: cannot unpack non-iterable NoneType object 
    29471  
    29472 TypeError: cannot unpack non-iterable NoneType object 
    29473  
    29474 File
    29475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29476 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29477 etype, evalue, etraceback = exc_info 
    29478  
    29479 See log for complete Python traceback. 
    29480  
    29481 Traceback (most recent call last): 
    29482 File
    29483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29484 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29485 return self._func(self._name, data) 
    29486 File
    29487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29488 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29489 if v.display: 
    29490 File
    29491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29492 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29493 return self._any_displayed_positions and len(self._positions) > 0 
    29494 TypeError: object of type 'NoneType' has no len() 
    29495  
    29496 During handling of the above exception, another exception occurred: 
    29497  
    29498 Traceback (most recent call last): 
    29499 File
    29500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29501 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29502 if not self.draw_new_frame(): 
    29503 File
    29504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29505 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29506 changed = view.check_for_drawing_change() 
    29507 File
    29508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29509 packages/chimerax/core/graphics/view.py", line 252, in
    29510 check_for_drawing_change 
    29511 trig.activate_trigger('graphics update', self) 
    29512 File
    29513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29514 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29515 trigger.activate(data) 
    29516 File
    29517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29518 packages/chimerax/core/triggerset.py", line 190, in activate 
    29519 ret = handler.invoke(data, self._remove_bad_handlers) 
    29520 File
    29521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29522 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29523 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29524 File
    29525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29526 packages/chimerax/core/session.py", line 943, in <lambda> 
    29527 logger.report_exception(preface=preface)) 
    29528 File
    29529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29530 packages/chimerax/core/logger.py", line 421, in report_exception 
    29531 elif probably_chimera1_session(exc_info): 
    29532 File
    29533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29534 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29535 etype, evalue, etraceback = exc_info 
    29536 TypeError: cannot unpack non-iterable NoneType object 
    29537  
    29538 TypeError: cannot unpack non-iterable NoneType object 
    29539  
    29540 File
    29541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29542 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29543 etype, evalue, etraceback = exc_info 
    29544  
    29545 See log for complete Python traceback. 
    29546  
    29547 Traceback (most recent call last): 
    29548 File
    29549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29550 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29551 return self._func(self._name, data) 
    29552 File
    29553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29554 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29555 if v.display: 
    29556 File
    29557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29558 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29559 return self._any_displayed_positions and len(self._positions) > 0 
    29560 TypeError: object of type 'NoneType' has no len() 
    29561  
    29562 During handling of the above exception, another exception occurred: 
    29563  
    29564 Traceback (most recent call last): 
    29565 File
    29566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29567 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29568 if not self.draw_new_frame(): 
    29569 File
    29570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29571 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29572 changed = view.check_for_drawing_change() 
    29573 File
    29574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29575 packages/chimerax/core/graphics/view.py", line 252, in
    29576 check_for_drawing_change 
    29577 trig.activate_trigger('graphics update', self) 
    29578 File
    29579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29580 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29581 trigger.activate(data) 
    29582 File
    29583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29584 packages/chimerax/core/triggerset.py", line 190, in activate 
    29585 ret = handler.invoke(data, self._remove_bad_handlers) 
    29586 File
    29587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29588 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29589 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29590 File
    29591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29592 packages/chimerax/core/session.py", line 943, in <lambda> 
    29593 logger.report_exception(preface=preface)) 
    29594 File
    29595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29596 packages/chimerax/core/logger.py", line 421, in report_exception 
    29597 elif probably_chimera1_session(exc_info): 
    29598 File
    29599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29600 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29601 etype, evalue, etraceback = exc_info 
    29602 TypeError: cannot unpack non-iterable NoneType object 
    29603  
    29604 TypeError: cannot unpack non-iterable NoneType object 
    29605  
    29606 File
    29607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29608 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29609 etype, evalue, etraceback = exc_info 
    29610  
    29611 See log for complete Python traceback. 
    29612  
    29613 Traceback (most recent call last): 
    29614 File
    29615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29616 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29617 return self._func(self._name, data) 
    29618 File
    29619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29620 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29621 if v.display: 
    29622 File
    29623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29624 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29625 return self._any_displayed_positions and len(self._positions) > 0 
    29626 TypeError: object of type 'NoneType' has no len() 
    29627  
    29628 During handling of the above exception, another exception occurred: 
    29629  
    29630 Traceback (most recent call last): 
    29631 File
    29632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29633 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29634 if not self.draw_new_frame(): 
    29635 File
    29636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29637 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29638 changed = view.check_for_drawing_change() 
    29639 File
    29640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29641 packages/chimerax/core/graphics/view.py", line 252, in
    29642 check_for_drawing_change 
    29643 trig.activate_trigger('graphics update', self) 
    29644 File
    29645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29646 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29647 trigger.activate(data) 
    29648 File
    29649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29650 packages/chimerax/core/triggerset.py", line 190, in activate 
    29651 ret = handler.invoke(data, self._remove_bad_handlers) 
    29652 File
    29653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29654 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29655 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29656 File
    29657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29658 packages/chimerax/core/session.py", line 943, in <lambda> 
    29659 logger.report_exception(preface=preface)) 
    29660 File
    29661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29662 packages/chimerax/core/logger.py", line 421, in report_exception 
    29663 elif probably_chimera1_session(exc_info): 
    29664 File
    29665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29666 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29667 etype, evalue, etraceback = exc_info 
    29668 TypeError: cannot unpack non-iterable NoneType object 
    29669  
    29670 TypeError: cannot unpack non-iterable NoneType object 
    29671  
    29672 File
    29673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29674 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29675 etype, evalue, etraceback = exc_info 
    29676  
    29677 See log for complete Python traceback. 
    29678  
    29679 Traceback (most recent call last): 
    29680 File
    29681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29682 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29683 return self._func(self._name, data) 
    29684 File
    29685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29686 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29687 if v.display: 
    29688 File
    29689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29690 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29691 return self._any_displayed_positions and len(self._positions) > 0 
    29692 TypeError: object of type 'NoneType' has no len() 
    29693  
    29694 During handling of the above exception, another exception occurred: 
    29695  
    29696 Traceback (most recent call last): 
    29697 File
    29698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29699 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29700 if not self.draw_new_frame(): 
    29701 File
    29702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29703 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29704 changed = view.check_for_drawing_change() 
    29705 File
    29706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29707 packages/chimerax/core/graphics/view.py", line 252, in
    29708 check_for_drawing_change 
    29709 trig.activate_trigger('graphics update', self) 
    29710 File
    29711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29712 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29713 trigger.activate(data) 
    29714 File
    29715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29716 packages/chimerax/core/triggerset.py", line 190, in activate 
    29717 ret = handler.invoke(data, self._remove_bad_handlers) 
    29718 File
    29719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29720 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29721 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29722 File
    29723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29724 packages/chimerax/core/session.py", line 943, in <lambda> 
    29725 logger.report_exception(preface=preface)) 
    29726 File
    29727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29728 packages/chimerax/core/logger.py", line 421, in report_exception 
    29729 elif probably_chimera1_session(exc_info): 
    29730 File
    29731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29732 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29733 etype, evalue, etraceback = exc_info 
    29734 TypeError: cannot unpack non-iterable NoneType object 
    29735  
    29736 TypeError: cannot unpack non-iterable NoneType object 
    29737  
    29738 File
    29739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29740 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29741 etype, evalue, etraceback = exc_info 
    29742  
    29743 See log for complete Python traceback. 
    29744  
    29745 Traceback (most recent call last): 
    29746 File
    29747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29748 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29749 return self._func(self._name, data) 
    29750 File
    29751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29752 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29753 if v.display: 
    29754 File
    29755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29756 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29757 return self._any_displayed_positions and len(self._positions) > 0 
    29758 TypeError: object of type 'NoneType' has no len() 
    29759  
    29760 During handling of the above exception, another exception occurred: 
    29761  
    29762 Traceback (most recent call last): 
    29763 File
    29764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29765 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29766 if not self.draw_new_frame(): 
    29767 File
    29768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29769 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29770 changed = view.check_for_drawing_change() 
    29771 File
    29772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29773 packages/chimerax/core/graphics/view.py", line 252, in
    29774 check_for_drawing_change 
    29775 trig.activate_trigger('graphics update', self) 
    29776 File
    29777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29778 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29779 trigger.activate(data) 
    29780 File
    29781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29782 packages/chimerax/core/triggerset.py", line 190, in activate 
    29783 ret = handler.invoke(data, self._remove_bad_handlers) 
    29784 File
    29785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29786 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29787 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29788 File
    29789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29790 packages/chimerax/core/session.py", line 943, in <lambda> 
    29791 logger.report_exception(preface=preface)) 
    29792 File
    29793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29794 packages/chimerax/core/logger.py", line 421, in report_exception 
    29795 elif probably_chimera1_session(exc_info): 
    29796 File
    29797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29798 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29799 etype, evalue, etraceback = exc_info 
    29800 TypeError: cannot unpack non-iterable NoneType object 
    29801  
    29802 TypeError: cannot unpack non-iterable NoneType object 
    29803  
    29804 File
    29805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29806 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29807 etype, evalue, etraceback = exc_info 
    29808  
    29809 See log for complete Python traceback. 
    29810  
    29811 Traceback (most recent call last): 
    29812 File
    29813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29814 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29815 return self._func(self._name, data) 
    29816 File
    29817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29818 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29819 if v.display: 
    29820 File
    29821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29822 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29823 return self._any_displayed_positions and len(self._positions) > 0 
    29824 TypeError: object of type 'NoneType' has no len() 
    29825  
    29826 During handling of the above exception, another exception occurred: 
    29827  
    29828 Traceback (most recent call last): 
    29829 File
    29830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29831 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29832 if not self.draw_new_frame(): 
    29833 File
    29834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29835 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29836 changed = view.check_for_drawing_change() 
    29837 File
    29838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29839 packages/chimerax/core/graphics/view.py", line 252, in
    29840 check_for_drawing_change 
    29841 trig.activate_trigger('graphics update', self) 
    29842 File
    29843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29844 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29845 trigger.activate(data) 
    29846 File
    29847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29848 packages/chimerax/core/triggerset.py", line 190, in activate 
    29849 ret = handler.invoke(data, self._remove_bad_handlers) 
    29850 File
    29851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29852 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29853 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29854 File
    29855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29856 packages/chimerax/core/session.py", line 943, in <lambda> 
    29857 logger.report_exception(preface=preface)) 
    29858 File
    29859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29860 packages/chimerax/core/logger.py", line 421, in report_exception 
    29861 elif probably_chimera1_session(exc_info): 
    29862 File
    29863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29864 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29865 etype, evalue, etraceback = exc_info 
    29866 TypeError: cannot unpack non-iterable NoneType object 
    29867  
    29868 TypeError: cannot unpack non-iterable NoneType object 
    29869  
    29870 File
    29871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29872 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29873 etype, evalue, etraceback = exc_info 
    29874  
    29875 See log for complete Python traceback. 
    29876  
    29877 Traceback (most recent call last): 
    29878 File
    29879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29880 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29881 return self._func(self._name, data) 
    29882 File
    29883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29884 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29885 if v.display: 
    29886 File
    29887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29888 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29889 return self._any_displayed_positions and len(self._positions) > 0 
    29890 TypeError: object of type 'NoneType' has no len() 
    29891  
    29892 During handling of the above exception, another exception occurred: 
    29893  
    29894 Traceback (most recent call last): 
    29895 File
    29896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29897 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29898 if not self.draw_new_frame(): 
    29899 File
    29900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29901 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29902 changed = view.check_for_drawing_change() 
    29903 File
    29904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29905 packages/chimerax/core/graphics/view.py", line 252, in
    29906 check_for_drawing_change 
    29907 trig.activate_trigger('graphics update', self) 
    29908 File
    29909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29910 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29911 trigger.activate(data) 
    29912 File
    29913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29914 packages/chimerax/core/triggerset.py", line 190, in activate 
    29915 ret = handler.invoke(data, self._remove_bad_handlers) 
    29916 File
    29917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29918 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29919 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29920 File
    29921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29922 packages/chimerax/core/session.py", line 943, in <lambda> 
    29923 logger.report_exception(preface=preface)) 
    29924 File
    29925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29926 packages/chimerax/core/logger.py", line 421, in report_exception 
    29927 elif probably_chimera1_session(exc_info): 
    29928 File
    29929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29930 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29931 etype, evalue, etraceback = exc_info 
    29932 TypeError: cannot unpack non-iterable NoneType object 
    29933  
    29934 TypeError: cannot unpack non-iterable NoneType object 
    29935  
    29936 File
    29937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29938 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29939 etype, evalue, etraceback = exc_info 
    29940  
    29941 See log for complete Python traceback. 
    29942  
    29943 Traceback (most recent call last): 
    29944 File
    29945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29946 packages/chimerax/core/triggerset.py", line 130, in invoke 
    29947 return self._func(self._name, data) 
    29948 File
    29949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29950 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    29951 if v.display: 
    29952 File
    29953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29954 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    29955 return self._any_displayed_positions and len(self._positions) > 0 
    29956 TypeError: object of type 'NoneType' has no len() 
    29957  
    29958 During handling of the above exception, another exception occurred: 
    29959  
    29960 Traceback (most recent call last): 
    29961 File
    29962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29963 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    29964 if not self.draw_new_frame(): 
    29965 File
    29966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29967 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    29968 changed = view.check_for_drawing_change() 
    29969 File
    29970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29971 packages/chimerax/core/graphics/view.py", line 252, in
    29972 check_for_drawing_change 
    29973 trig.activate_trigger('graphics update', self) 
    29974 File
    29975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29976 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    29977 trigger.activate(data) 
    29978 File
    29979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29980 packages/chimerax/core/triggerset.py", line 190, in activate 
    29981 ret = handler.invoke(data, self._remove_bad_handlers) 
    29982 File
    29983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29984 packages/chimerax/core/triggerset.py", line 132, in invoke 
    29985 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    29986 File
    29987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29988 packages/chimerax/core/session.py", line 943, in <lambda> 
    29989 logger.report_exception(preface=preface)) 
    29990 File
    29991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29992 packages/chimerax/core/logger.py", line 421, in report_exception 
    29993 elif probably_chimera1_session(exc_info): 
    29994 File
    29995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    29996 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    29997 etype, evalue, etraceback = exc_info 
    29998 TypeError: cannot unpack non-iterable NoneType object 
    29999  
    30000 TypeError: cannot unpack non-iterable NoneType object 
    30001  
    30002 File
    30003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30004 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30005 etype, evalue, etraceback = exc_info 
    30006  
    30007 See log for complete Python traceback. 
    30008  
    30009 Traceback (most recent call last): 
    30010 File
    30011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30012 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30013 return self._func(self._name, data) 
    30014 File
    30015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30016 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30017 if v.display: 
    30018 File
    30019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30020 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30021 return self._any_displayed_positions and len(self._positions) > 0 
    30022 TypeError: object of type 'NoneType' has no len() 
    30023  
    30024 During handling of the above exception, another exception occurred: 
    30025  
    30026 Traceback (most recent call last): 
    30027 File
    30028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30029 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30030 if not self.draw_new_frame(): 
    30031 File
    30032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30033 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30034 changed = view.check_for_drawing_change() 
    30035 File
    30036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30037 packages/chimerax/core/graphics/view.py", line 252, in
    30038 check_for_drawing_change 
    30039 trig.activate_trigger('graphics update', self) 
    30040 File
    30041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30042 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30043 trigger.activate(data) 
    30044 File
    30045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30046 packages/chimerax/core/triggerset.py", line 190, in activate 
    30047 ret = handler.invoke(data, self._remove_bad_handlers) 
    30048 File
    30049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30050 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30051 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30052 File
    30053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30054 packages/chimerax/core/session.py", line 943, in <lambda> 
    30055 logger.report_exception(preface=preface)) 
    30056 File
    30057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30058 packages/chimerax/core/logger.py", line 421, in report_exception 
    30059 elif probably_chimera1_session(exc_info): 
    30060 File
    30061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30062 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30063 etype, evalue, etraceback = exc_info 
    30064 TypeError: cannot unpack non-iterable NoneType object 
    30065  
    30066 TypeError: cannot unpack non-iterable NoneType object 
    30067  
    30068 File
    30069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30070 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30071 etype, evalue, etraceback = exc_info 
    30072  
    30073 See log for complete Python traceback. 
    30074  
    30075 Traceback (most recent call last): 
    30076 File
    30077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30078 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30079 return self._func(self._name, data) 
    30080 File
    30081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30082 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30083 if v.display: 
    30084 File
    30085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30086 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30087 return self._any_displayed_positions and len(self._positions) > 0 
    30088 TypeError: object of type 'NoneType' has no len() 
    30089  
    30090 During handling of the above exception, another exception occurred: 
    30091  
    30092 Traceback (most recent call last): 
    30093 File
    30094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30095 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30096 if not self.draw_new_frame(): 
    30097 File
    30098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30099 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30100 changed = view.check_for_drawing_change() 
    30101 File
    30102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30103 packages/chimerax/core/graphics/view.py", line 252, in
    30104 check_for_drawing_change 
    30105 trig.activate_trigger('graphics update', self) 
    30106 File
    30107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30108 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30109 trigger.activate(data) 
    30110 File
    30111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30112 packages/chimerax/core/triggerset.py", line 190, in activate 
    30113 ret = handler.invoke(data, self._remove_bad_handlers) 
    30114 File
    30115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30116 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30117 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30118 File
    30119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30120 packages/chimerax/core/session.py", line 943, in <lambda> 
    30121 logger.report_exception(preface=preface)) 
    30122 File
    30123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30124 packages/chimerax/core/logger.py", line 421, in report_exception 
    30125 elif probably_chimera1_session(exc_info): 
    30126 File
    30127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30128 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30129 etype, evalue, etraceback = exc_info 
    30130 TypeError: cannot unpack non-iterable NoneType object 
    30131  
    30132 TypeError: cannot unpack non-iterable NoneType object 
    30133  
    30134 File
    30135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30136 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30137 etype, evalue, etraceback = exc_info 
    30138  
    30139 See log for complete Python traceback. 
    30140  
    30141 Traceback (most recent call last): 
    30142 File
    30143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30144 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30145 return self._func(self._name, data) 
    30146 File
    30147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30148 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30149 if v.display: 
    30150 File
    30151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30152 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30153 return self._any_displayed_positions and len(self._positions) > 0 
    30154 TypeError: object of type 'NoneType' has no len() 
    30155  
    30156 During handling of the above exception, another exception occurred: 
    30157  
    30158 Traceback (most recent call last): 
    30159 File
    30160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30161 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30162 if not self.draw_new_frame(): 
    30163 File
    30164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30165 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30166 changed = view.check_for_drawing_change() 
    30167 File
    30168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30169 packages/chimerax/core/graphics/view.py", line 252, in
    30170 check_for_drawing_change 
    30171 trig.activate_trigger('graphics update', self) 
    30172 File
    30173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30174 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30175 trigger.activate(data) 
    30176 File
    30177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30178 packages/chimerax/core/triggerset.py", line 190, in activate 
    30179 ret = handler.invoke(data, self._remove_bad_handlers) 
    30180 File
    30181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30182 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30183 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30184 File
    30185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30186 packages/chimerax/core/session.py", line 943, in <lambda> 
    30187 logger.report_exception(preface=preface)) 
    30188 File
    30189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30190 packages/chimerax/core/logger.py", line 421, in report_exception 
    30191 elif probably_chimera1_session(exc_info): 
    30192 File
    30193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30194 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30195 etype, evalue, etraceback = exc_info 
    30196 TypeError: cannot unpack non-iterable NoneType object 
    30197  
    30198 TypeError: cannot unpack non-iterable NoneType object 
    30199  
    30200 File
    30201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30202 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30203 etype, evalue, etraceback = exc_info 
    30204  
    30205 See log for complete Python traceback. 
    30206  
    30207 Traceback (most recent call last): 
    30208 File
    30209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30210 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30211 return self._func(self._name, data) 
    30212 File
    30213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30214 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30215 if v.display: 
    30216 File
    30217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30218 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30219 return self._any_displayed_positions and len(self._positions) > 0 
    30220 TypeError: object of type 'NoneType' has no len() 
    30221  
    30222 During handling of the above exception, another exception occurred: 
    30223  
    30224 Traceback (most recent call last): 
    30225 File
    30226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30227 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30228 if not self.draw_new_frame(): 
    30229 File
    30230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30231 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30232 changed = view.check_for_drawing_change() 
    30233 File
    30234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30235 packages/chimerax/core/graphics/view.py", line 252, in
    30236 check_for_drawing_change 
    30237 trig.activate_trigger('graphics update', self) 
    30238 File
    30239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30240 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30241 trigger.activate(data) 
    30242 File
    30243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30244 packages/chimerax/core/triggerset.py", line 190, in activate 
    30245 ret = handler.invoke(data, self._remove_bad_handlers) 
    30246 File
    30247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30248 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30249 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30250 File
    30251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30252 packages/chimerax/core/session.py", line 943, in <lambda> 
    30253 logger.report_exception(preface=preface)) 
    30254 File
    30255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30256 packages/chimerax/core/logger.py", line 421, in report_exception 
    30257 elif probably_chimera1_session(exc_info): 
    30258 File
    30259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30260 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30261 etype, evalue, etraceback = exc_info 
    30262 TypeError: cannot unpack non-iterable NoneType object 
    30263  
    30264 TypeError: cannot unpack non-iterable NoneType object 
    30265  
    30266 File
    30267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30268 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30269 etype, evalue, etraceback = exc_info 
    30270  
    30271 See log for complete Python traceback. 
    30272  
    30273 Traceback (most recent call last): 
    30274 File
    30275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30276 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30277 return self._func(self._name, data) 
    30278 File
    30279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30280 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30281 if v.display: 
    30282 File
    30283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30284 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30285 return self._any_displayed_positions and len(self._positions) > 0 
    30286 TypeError: object of type 'NoneType' has no len() 
    30287  
    30288 During handling of the above exception, another exception occurred: 
    30289  
    30290 Traceback (most recent call last): 
    30291 File
    30292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30293 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30294 if not self.draw_new_frame(): 
    30295 File
    30296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30297 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30298 changed = view.check_for_drawing_change() 
    30299 File
    30300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30301 packages/chimerax/core/graphics/view.py", line 252, in
    30302 check_for_drawing_change 
    30303 trig.activate_trigger('graphics update', self) 
    30304 File
    30305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30306 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30307 trigger.activate(data) 
    30308 File
    30309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30310 packages/chimerax/core/triggerset.py", line 190, in activate 
    30311 ret = handler.invoke(data, self._remove_bad_handlers) 
    30312 File
    30313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30314 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30315 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30316 File
    30317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30318 packages/chimerax/core/session.py", line 943, in <lambda> 
    30319 logger.report_exception(preface=preface)) 
    30320 File
    30321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30322 packages/chimerax/core/logger.py", line 421, in report_exception 
    30323 elif probably_chimera1_session(exc_info): 
    30324 File
    30325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30326 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30327 etype, evalue, etraceback = exc_info 
    30328 TypeError: cannot unpack non-iterable NoneType object 
    30329  
    30330 TypeError: cannot unpack non-iterable NoneType object 
    30331  
    30332 File
    30333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30334 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30335 etype, evalue, etraceback = exc_info 
    30336  
    30337 See log for complete Python traceback. 
    30338  
    30339 Traceback (most recent call last): 
    30340 File
    30341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30342 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30343 return self._func(self._name, data) 
    30344 File
    30345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30346 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30347 if v.display: 
    30348 File
    30349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30350 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30351 return self._any_displayed_positions and len(self._positions) > 0 
    30352 TypeError: object of type 'NoneType' has no len() 
    30353  
    30354 During handling of the above exception, another exception occurred: 
    30355  
    30356 Traceback (most recent call last): 
    30357 File
    30358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30359 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30360 if not self.draw_new_frame(): 
    30361 File
    30362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30363 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30364 changed = view.check_for_drawing_change() 
    30365 File
    30366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30367 packages/chimerax/core/graphics/view.py", line 252, in
    30368 check_for_drawing_change 
    30369 trig.activate_trigger('graphics update', self) 
    30370 File
    30371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30372 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30373 trigger.activate(data) 
    30374 File
    30375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30376 packages/chimerax/core/triggerset.py", line 190, in activate 
    30377 ret = handler.invoke(data, self._remove_bad_handlers) 
    30378 File
    30379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30380 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30381 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30382 File
    30383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30384 packages/chimerax/core/session.py", line 943, in <lambda> 
    30385 logger.report_exception(preface=preface)) 
    30386 File
    30387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30388 packages/chimerax/core/logger.py", line 421, in report_exception 
    30389 elif probably_chimera1_session(exc_info): 
    30390 File
    30391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30392 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30393 etype, evalue, etraceback = exc_info 
    30394 TypeError: cannot unpack non-iterable NoneType object 
    30395  
    30396 TypeError: cannot unpack non-iterable NoneType object 
    30397  
    30398 File
    30399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30400 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30401 etype, evalue, etraceback = exc_info 
    30402  
    30403 See log for complete Python traceback. 
    30404  
    30405 Traceback (most recent call last): 
    30406 File
    30407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30408 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30409 return self._func(self._name, data) 
    30410 File
    30411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30412 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30413 if v.display: 
    30414 File
    30415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30416 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30417 return self._any_displayed_positions and len(self._positions) > 0 
    30418 TypeError: object of type 'NoneType' has no len() 
    30419  
    30420 During handling of the above exception, another exception occurred: 
    30421  
    30422 Traceback (most recent call last): 
    30423 File
    30424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30425 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30426 if not self.draw_new_frame(): 
    30427 File
    30428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30429 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30430 changed = view.check_for_drawing_change() 
    30431 File
    30432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30433 packages/chimerax/core/graphics/view.py", line 252, in
    30434 check_for_drawing_change 
    30435 trig.activate_trigger('graphics update', self) 
    30436 File
    30437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30438 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30439 trigger.activate(data) 
    30440 File
    30441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30442 packages/chimerax/core/triggerset.py", line 190, in activate 
    30443 ret = handler.invoke(data, self._remove_bad_handlers) 
    30444 File
    30445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30446 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30447 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30448 File
    30449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30450 packages/chimerax/core/session.py", line 943, in <lambda> 
    30451 logger.report_exception(preface=preface)) 
    30452 File
    30453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30454 packages/chimerax/core/logger.py", line 421, in report_exception 
    30455 elif probably_chimera1_session(exc_info): 
    30456 File
    30457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30458 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30459 etype, evalue, etraceback = exc_info 
    30460 TypeError: cannot unpack non-iterable NoneType object 
    30461  
    30462 TypeError: cannot unpack non-iterable NoneType object 
    30463  
    30464 File
    30465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30466 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30467 etype, evalue, etraceback = exc_info 
    30468  
    30469 See log for complete Python traceback. 
    30470  
    30471 Traceback (most recent call last): 
    30472 File
    30473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30474 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30475 return self._func(self._name, data) 
    30476 File
    30477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30478 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30479 if v.display: 
    30480 File
    30481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30482 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30483 return self._any_displayed_positions and len(self._positions) > 0 
    30484 TypeError: object of type 'NoneType' has no len() 
    30485  
    30486 During handling of the above exception, another exception occurred: 
    30487  
    30488 Traceback (most recent call last): 
    30489 File
    30490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30491 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30492 if not self.draw_new_frame(): 
    30493 File
    30494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30495 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30496 changed = view.check_for_drawing_change() 
    30497 File
    30498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30499 packages/chimerax/core/graphics/view.py", line 252, in
    30500 check_for_drawing_change 
    30501 trig.activate_trigger('graphics update', self) 
    30502 File
    30503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30504 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30505 trigger.activate(data) 
    30506 File
    30507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30508 packages/chimerax/core/triggerset.py", line 190, in activate 
    30509 ret = handler.invoke(data, self._remove_bad_handlers) 
    30510 File
    30511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30512 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30513 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30514 File
    30515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30516 packages/chimerax/core/session.py", line 943, in <lambda> 
    30517 logger.report_exception(preface=preface)) 
    30518 File
    30519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30520 packages/chimerax/core/logger.py", line 421, in report_exception 
    30521 elif probably_chimera1_session(exc_info): 
    30522 File
    30523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30524 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30525 etype, evalue, etraceback = exc_info 
    30526 TypeError: cannot unpack non-iterable NoneType object 
    30527  
    30528 TypeError: cannot unpack non-iterable NoneType object 
    30529  
    30530 File
    30531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30532 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30533 etype, evalue, etraceback = exc_info 
    30534  
    30535 See log for complete Python traceback. 
    30536  
    30537 Traceback (most recent call last): 
    30538 File
    30539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30540 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30541 return self._func(self._name, data) 
    30542 File
    30543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30544 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30545 if v.display: 
    30546 File
    30547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30548 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30549 return self._any_displayed_positions and len(self._positions) > 0 
    30550 TypeError: object of type 'NoneType' has no len() 
    30551  
    30552 During handling of the above exception, another exception occurred: 
    30553  
    30554 Traceback (most recent call last): 
    30555 File
    30556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30557 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30558 if not self.draw_new_frame(): 
    30559 File
    30560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30561 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30562 changed = view.check_for_drawing_change() 
    30563 File
    30564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30565 packages/chimerax/core/graphics/view.py", line 252, in
    30566 check_for_drawing_change 
    30567 trig.activate_trigger('graphics update', self) 
    30568 File
    30569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30570 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30571 trigger.activate(data) 
    30572 File
    30573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30574 packages/chimerax/core/triggerset.py", line 190, in activate 
    30575 ret = handler.invoke(data, self._remove_bad_handlers) 
    30576 File
    30577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30578 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30579 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30580 File
    30581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30582 packages/chimerax/core/session.py", line 943, in <lambda> 
    30583 logger.report_exception(preface=preface)) 
    30584 File
    30585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30586 packages/chimerax/core/logger.py", line 421, in report_exception 
    30587 elif probably_chimera1_session(exc_info): 
    30588 File
    30589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30590 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30591 etype, evalue, etraceback = exc_info 
    30592 TypeError: cannot unpack non-iterable NoneType object 
    30593  
    30594 TypeError: cannot unpack non-iterable NoneType object 
    30595  
    30596 File
    30597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30598 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30599 etype, evalue, etraceback = exc_info 
    30600  
    30601 See log for complete Python traceback. 
    30602  
    30603 Traceback (most recent call last): 
    30604 File
    30605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30606 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30607 return self._func(self._name, data) 
    30608 File
    30609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30610 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30611 if v.display: 
    30612 File
    30613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30614 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30615 return self._any_displayed_positions and len(self._positions) > 0 
    30616 TypeError: object of type 'NoneType' has no len() 
    30617  
    30618 During handling of the above exception, another exception occurred: 
    30619  
    30620 Traceback (most recent call last): 
    30621 File
    30622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30623 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30624 if not self.draw_new_frame(): 
    30625 File
    30626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30627 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30628 changed = view.check_for_drawing_change() 
    30629 File
    30630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30631 packages/chimerax/core/graphics/view.py", line 252, in
    30632 check_for_drawing_change 
    30633 trig.activate_trigger('graphics update', self) 
    30634 File
    30635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30636 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30637 trigger.activate(data) 
    30638 File
    30639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30640 packages/chimerax/core/triggerset.py", line 190, in activate 
    30641 ret = handler.invoke(data, self._remove_bad_handlers) 
    30642 File
    30643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30644 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30645 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30646 File
    30647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30648 packages/chimerax/core/session.py", line 943, in <lambda> 
    30649 logger.report_exception(preface=preface)) 
    30650 File
    30651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30652 packages/chimerax/core/logger.py", line 421, in report_exception 
    30653 elif probably_chimera1_session(exc_info): 
    30654 File
    30655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30656 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30657 etype, evalue, etraceback = exc_info 
    30658 TypeError: cannot unpack non-iterable NoneType object 
    30659  
    30660 TypeError: cannot unpack non-iterable NoneType object 
    30661  
    30662 File
    30663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30664 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30665 etype, evalue, etraceback = exc_info 
    30666  
    30667 See log for complete Python traceback. 
    30668  
    30669 Traceback (most recent call last): 
    30670 File
    30671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30672 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30673 return self._func(self._name, data) 
    30674 File
    30675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30676 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30677 if v.display: 
    30678 File
    30679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30680 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30681 return self._any_displayed_positions and len(self._positions) > 0 
    30682 TypeError: object of type 'NoneType' has no len() 
    30683  
    30684 During handling of the above exception, another exception occurred: 
    30685  
    30686 Traceback (most recent call last): 
    30687 File
    30688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30689 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30690 if not self.draw_new_frame(): 
    30691 File
    30692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30693 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30694 changed = view.check_for_drawing_change() 
    30695 File
    30696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30697 packages/chimerax/core/graphics/view.py", line 252, in
    30698 check_for_drawing_change 
    30699 trig.activate_trigger('graphics update', self) 
    30700 File
    30701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30702 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30703 trigger.activate(data) 
    30704 File
    30705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30706 packages/chimerax/core/triggerset.py", line 190, in activate 
    30707 ret = handler.invoke(data, self._remove_bad_handlers) 
    30708 File
    30709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30710 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30711 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30712 File
    30713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30714 packages/chimerax/core/session.py", line 943, in <lambda> 
    30715 logger.report_exception(preface=preface)) 
    30716 File
    30717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30718 packages/chimerax/core/logger.py", line 421, in report_exception 
    30719 elif probably_chimera1_session(exc_info): 
    30720 File
    30721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30722 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30723 etype, evalue, etraceback = exc_info 
    30724 TypeError: cannot unpack non-iterable NoneType object 
    30725  
    30726 TypeError: cannot unpack non-iterable NoneType object 
    30727  
    30728 File
    30729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30730 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30731 etype, evalue, etraceback = exc_info 
    30732  
    30733 See log for complete Python traceback. 
    30734  
    30735 Traceback (most recent call last): 
    30736 File
    30737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30738 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30739 return self._func(self._name, data) 
    30740 File
    30741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30742 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30743 if v.display: 
    30744 File
    30745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30746 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30747 return self._any_displayed_positions and len(self._positions) > 0 
    30748 TypeError: object of type 'NoneType' has no len() 
    30749  
    30750 During handling of the above exception, another exception occurred: 
    30751  
    30752 Traceback (most recent call last): 
    30753 File
    30754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30755 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30756 if not self.draw_new_frame(): 
    30757 File
    30758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30759 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30760 changed = view.check_for_drawing_change() 
    30761 File
    30762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30763 packages/chimerax/core/graphics/view.py", line 252, in
    30764 check_for_drawing_change 
    30765 trig.activate_trigger('graphics update', self) 
    30766 File
    30767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30768 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30769 trigger.activate(data) 
    30770 File
    30771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30772 packages/chimerax/core/triggerset.py", line 190, in activate 
    30773 ret = handler.invoke(data, self._remove_bad_handlers) 
    30774 File
    30775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30776 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30777 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30778 File
    30779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30780 packages/chimerax/core/session.py", line 943, in <lambda> 
    30781 logger.report_exception(preface=preface)) 
    30782 File
    30783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30784 packages/chimerax/core/logger.py", line 421, in report_exception 
    30785 elif probably_chimera1_session(exc_info): 
    30786 File
    30787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30788 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30789 etype, evalue, etraceback = exc_info 
    30790 TypeError: cannot unpack non-iterable NoneType object 
    30791  
    30792 TypeError: cannot unpack non-iterable NoneType object 
    30793  
    30794 File
    30795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30796 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30797 etype, evalue, etraceback = exc_info 
    30798  
    30799 See log for complete Python traceback. 
    30800  
    30801 Traceback (most recent call last): 
    30802 File
    30803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30804 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30805 return self._func(self._name, data) 
    30806 File
    30807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30808 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30809 if v.display: 
    30810 File
    30811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30812 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30813 return self._any_displayed_positions and len(self._positions) > 0 
    30814 TypeError: object of type 'NoneType' has no len() 
    30815  
    30816 During handling of the above exception, another exception occurred: 
    30817  
    30818 Traceback (most recent call last): 
    30819 File
    30820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30821 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30822 if not self.draw_new_frame(): 
    30823 File
    30824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30825 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30826 changed = view.check_for_drawing_change() 
    30827 File
    30828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30829 packages/chimerax/core/graphics/view.py", line 252, in
    30830 check_for_drawing_change 
    30831 trig.activate_trigger('graphics update', self) 
    30832 File
    30833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30834 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30835 trigger.activate(data) 
    30836 File
    30837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30838 packages/chimerax/core/triggerset.py", line 190, in activate 
    30839 ret = handler.invoke(data, self._remove_bad_handlers) 
    30840 File
    30841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30842 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30843 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30844 File
    30845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30846 packages/chimerax/core/session.py", line 943, in <lambda> 
    30847 logger.report_exception(preface=preface)) 
    30848 File
    30849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30850 packages/chimerax/core/logger.py", line 421, in report_exception 
    30851 elif probably_chimera1_session(exc_info): 
    30852 File
    30853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30854 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30855 etype, evalue, etraceback = exc_info 
    30856 TypeError: cannot unpack non-iterable NoneType object 
    30857  
    30858 TypeError: cannot unpack non-iterable NoneType object 
    30859  
    30860 File
    30861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30862 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30863 etype, evalue, etraceback = exc_info 
    30864  
    30865 See log for complete Python traceback. 
    30866  
    30867 Traceback (most recent call last): 
    30868 File
    30869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30870 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30871 return self._func(self._name, data) 
    30872 File
    30873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30874 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30875 if v.display: 
    30876 File
    30877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30878 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30879 return self._any_displayed_positions and len(self._positions) > 0 
    30880 TypeError: object of type 'NoneType' has no len() 
    30881  
    30882 During handling of the above exception, another exception occurred: 
    30883  
    30884 Traceback (most recent call last): 
    30885 File
    30886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30887 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30888 if not self.draw_new_frame(): 
    30889 File
    30890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30891 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30892 changed = view.check_for_drawing_change() 
    30893 File
    30894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30895 packages/chimerax/core/graphics/view.py", line 252, in
    30896 check_for_drawing_change 
    30897 trig.activate_trigger('graphics update', self) 
    30898 File
    30899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30900 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30901 trigger.activate(data) 
    30902 File
    30903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30904 packages/chimerax/core/triggerset.py", line 190, in activate 
    30905 ret = handler.invoke(data, self._remove_bad_handlers) 
    30906 File
    30907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30908 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30909 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30910 File
    30911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30912 packages/chimerax/core/session.py", line 943, in <lambda> 
    30913 logger.report_exception(preface=preface)) 
    30914 File
    30915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30916 packages/chimerax/core/logger.py", line 421, in report_exception 
    30917 elif probably_chimera1_session(exc_info): 
    30918 File
    30919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30920 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30921 etype, evalue, etraceback = exc_info 
    30922 TypeError: cannot unpack non-iterable NoneType object 
    30923  
    30924 TypeError: cannot unpack non-iterable NoneType object 
    30925  
    30926 File
    30927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30928 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30929 etype, evalue, etraceback = exc_info 
    30930  
    30931 See log for complete Python traceback. 
    30932  
    30933 Traceback (most recent call last): 
    30934 File
    30935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30936 packages/chimerax/core/triggerset.py", line 130, in invoke 
    30937 return self._func(self._name, data) 
    30938 File
    30939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30940 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    30941 if v.display: 
    30942 File
    30943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30944 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    30945 return self._any_displayed_positions and len(self._positions) > 0 
    30946 TypeError: object of type 'NoneType' has no len() 
    30947  
    30948 During handling of the above exception, another exception occurred: 
    30949  
    30950 Traceback (most recent call last): 
    30951 File
    30952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30953 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    30954 if not self.draw_new_frame(): 
    30955 File
    30956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30957 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    30958 changed = view.check_for_drawing_change() 
    30959 File
    30960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30961 packages/chimerax/core/graphics/view.py", line 252, in
    30962 check_for_drawing_change 
    30963 trig.activate_trigger('graphics update', self) 
    30964 File
    30965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30966 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    30967 trigger.activate(data) 
    30968 File
    30969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30970 packages/chimerax/core/triggerset.py", line 190, in activate 
    30971 ret = handler.invoke(data, self._remove_bad_handlers) 
    30972 File
    30973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30974 packages/chimerax/core/triggerset.py", line 132, in invoke 
    30975 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    30976 File
    30977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30978 packages/chimerax/core/session.py", line 943, in <lambda> 
    30979 logger.report_exception(preface=preface)) 
    30980 File
    30981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30982 packages/chimerax/core/logger.py", line 421, in report_exception 
    30983 elif probably_chimera1_session(exc_info): 
    30984 File
    30985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30986 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30987 etype, evalue, etraceback = exc_info 
    30988 TypeError: cannot unpack non-iterable NoneType object 
    30989  
    30990 TypeError: cannot unpack non-iterable NoneType object 
    30991  
    30992 File
    30993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    30994 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    30995 etype, evalue, etraceback = exc_info 
    30996  
    30997 See log for complete Python traceback. 
    30998  
    30999 Traceback (most recent call last): 
    31000 File
    31001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31002 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31003 return self._func(self._name, data) 
    31004 File
    31005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31006 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31007 if v.display: 
    31008 File
    31009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31010 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31011 return self._any_displayed_positions and len(self._positions) > 0 
    31012 TypeError: object of type 'NoneType' has no len() 
    31013  
    31014 During handling of the above exception, another exception occurred: 
    31015  
    31016 Traceback (most recent call last): 
    31017 File
    31018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31019 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31020 if not self.draw_new_frame(): 
    31021 File
    31022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31023 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31024 changed = view.check_for_drawing_change() 
    31025 File
    31026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31027 packages/chimerax/core/graphics/view.py", line 252, in
    31028 check_for_drawing_change 
    31029 trig.activate_trigger('graphics update', self) 
    31030 File
    31031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31032 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31033 trigger.activate(data) 
    31034 File
    31035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31036 packages/chimerax/core/triggerset.py", line 190, in activate 
    31037 ret = handler.invoke(data, self._remove_bad_handlers) 
    31038 File
    31039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31040 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31041 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31042 File
    31043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31044 packages/chimerax/core/session.py", line 943, in <lambda> 
    31045 logger.report_exception(preface=preface)) 
    31046 File
    31047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31048 packages/chimerax/core/logger.py", line 421, in report_exception 
    31049 elif probably_chimera1_session(exc_info): 
    31050 File
    31051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31052 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31053 etype, evalue, etraceback = exc_info 
    31054 TypeError: cannot unpack non-iterable NoneType object 
    31055  
    31056 TypeError: cannot unpack non-iterable NoneType object 
    31057  
    31058 File
    31059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31060 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31061 etype, evalue, etraceback = exc_info 
    31062  
    31063 See log for complete Python traceback. 
    31064  
    31065 Traceback (most recent call last): 
    31066 File
    31067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31069 return self._func(self._name, data) 
    31070 File
    31071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31072 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31073 if v.display: 
    31074 File
    31075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31076 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31077 return self._any_displayed_positions and len(self._positions) > 0 
    31078 TypeError: object of type 'NoneType' has no len() 
    31079  
    31080 During handling of the above exception, another exception occurred: 
    31081  
    31082 Traceback (most recent call last): 
    31083 File
    31084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31085 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31086 if not self.draw_new_frame(): 
    31087 File
    31088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31089 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31090 changed = view.check_for_drawing_change() 
    31091 File
    31092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31093 packages/chimerax/core/graphics/view.py", line 252, in
    31094 check_for_drawing_change 
    31095 trig.activate_trigger('graphics update', self) 
    31096 File
    31097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31098 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31099 trigger.activate(data) 
    31100 File
    31101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31102 packages/chimerax/core/triggerset.py", line 190, in activate 
    31103 ret = handler.invoke(data, self._remove_bad_handlers) 
    31104 File
    31105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31106 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31107 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31108 File
    31109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31110 packages/chimerax/core/session.py", line 943, in <lambda> 
    31111 logger.report_exception(preface=preface)) 
    31112 File
    31113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31114 packages/chimerax/core/logger.py", line 421, in report_exception 
    31115 elif probably_chimera1_session(exc_info): 
    31116 File
    31117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31118 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31119 etype, evalue, etraceback = exc_info 
    31120 TypeError: cannot unpack non-iterable NoneType object 
    31121  
    31122 TypeError: cannot unpack non-iterable NoneType object 
    31123  
    31124 File
    31125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31126 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31127 etype, evalue, etraceback = exc_info 
    31128  
    31129 See log for complete Python traceback. 
    31130  
    31131 Traceback (most recent call last): 
    31132 File
    31133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31134 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31135 return self._func(self._name, data) 
    31136 File
    31137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31138 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31139 if v.display: 
    31140 File
    31141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31142 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31143 return self._any_displayed_positions and len(self._positions) > 0 
    31144 TypeError: object of type 'NoneType' has no len() 
    31145  
    31146 During handling of the above exception, another exception occurred: 
    31147  
    31148 Traceback (most recent call last): 
    31149 File
    31150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31151 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31152 if not self.draw_new_frame(): 
    31153 File
    31154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31155 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31156 changed = view.check_for_drawing_change() 
    31157 File
    31158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31159 packages/chimerax/core/graphics/view.py", line 252, in
    31160 check_for_drawing_change 
    31161 trig.activate_trigger('graphics update', self) 
    31162 File
    31163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31164 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31165 trigger.activate(data) 
    31166 File
    31167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31168 packages/chimerax/core/triggerset.py", line 190, in activate 
    31169 ret = handler.invoke(data, self._remove_bad_handlers) 
    31170 File
    31171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31172 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31173 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31174 File
    31175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31176 packages/chimerax/core/session.py", line 943, in <lambda> 
    31177 logger.report_exception(preface=preface)) 
    31178 File
    31179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31180 packages/chimerax/core/logger.py", line 421, in report_exception 
    31181 elif probably_chimera1_session(exc_info): 
    31182 File
    31183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31184 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31185 etype, evalue, etraceback = exc_info 
    31186 TypeError: cannot unpack non-iterable NoneType object 
    31187  
    31188 TypeError: cannot unpack non-iterable NoneType object 
    31189  
    31190 File
    31191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31192 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31193 etype, evalue, etraceback = exc_info 
    31194  
    31195 See log for complete Python traceback. 
    31196  
    31197 Traceback (most recent call last): 
    31198 File
    31199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31200 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31201 return self._func(self._name, data) 
    31202 File
    31203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31204 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31205 if v.display: 
    31206 File
    31207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31208 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31209 return self._any_displayed_positions and len(self._positions) > 0 
    31210 TypeError: object of type 'NoneType' has no len() 
    31211  
    31212 During handling of the above exception, another exception occurred: 
    31213  
    31214 Traceback (most recent call last): 
    31215 File
    31216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31217 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31218 if not self.draw_new_frame(): 
    31219 File
    31220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31221 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31222 changed = view.check_for_drawing_change() 
    31223 File
    31224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31225 packages/chimerax/core/graphics/view.py", line 252, in
    31226 check_for_drawing_change 
    31227 trig.activate_trigger('graphics update', self) 
    31228 File
    31229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31230 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31231 trigger.activate(data) 
    31232 File
    31233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31234 packages/chimerax/core/triggerset.py", line 190, in activate 
    31235 ret = handler.invoke(data, self._remove_bad_handlers) 
    31236 File
    31237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31238 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31239 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31240 File
    31241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31242 packages/chimerax/core/session.py", line 943, in <lambda> 
    31243 logger.report_exception(preface=preface)) 
    31244 File
    31245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31246 packages/chimerax/core/logger.py", line 421, in report_exception 
    31247 elif probably_chimera1_session(exc_info): 
    31248 File
    31249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31250 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31251 etype, evalue, etraceback = exc_info 
    31252 TypeError: cannot unpack non-iterable NoneType object 
    31253  
    31254 TypeError: cannot unpack non-iterable NoneType object 
    31255  
    31256 File
    31257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31258 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31259 etype, evalue, etraceback = exc_info 
    31260  
    31261 See log for complete Python traceback. 
    31262  
    31263 Traceback (most recent call last): 
    31264 File
    31265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31266 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31267 return self._func(self._name, data) 
    31268 File
    31269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31270 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31271 if v.display: 
    31272 File
    31273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31274 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31275 return self._any_displayed_positions and len(self._positions) > 0 
    31276 TypeError: object of type 'NoneType' has no len() 
    31277  
    31278 During handling of the above exception, another exception occurred: 
    31279  
    31280 Traceback (most recent call last): 
    31281 File
    31282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31283 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31284 if not self.draw_new_frame(): 
    31285 File
    31286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31287 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31288 changed = view.check_for_drawing_change() 
    31289 File
    31290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31291 packages/chimerax/core/graphics/view.py", line 252, in
    31292 check_for_drawing_change 
    31293 trig.activate_trigger('graphics update', self) 
    31294 File
    31295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31296 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31297 trigger.activate(data) 
    31298 File
    31299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31300 packages/chimerax/core/triggerset.py", line 190, in activate 
    31301 ret = handler.invoke(data, self._remove_bad_handlers) 
    31302 File
    31303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31304 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31305 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31306 File
    31307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31308 packages/chimerax/core/session.py", line 943, in <lambda> 
    31309 logger.report_exception(preface=preface)) 
    31310 File
    31311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31312 packages/chimerax/core/logger.py", line 421, in report_exception 
    31313 elif probably_chimera1_session(exc_info): 
    31314 File
    31315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31316 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31317 etype, evalue, etraceback = exc_info 
    31318 TypeError: cannot unpack non-iterable NoneType object 
    31319  
    31320 TypeError: cannot unpack non-iterable NoneType object 
    31321  
    31322 File
    31323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31324 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31325 etype, evalue, etraceback = exc_info 
    31326  
    31327 See log for complete Python traceback. 
    31328  
    31329 Traceback (most recent call last): 
    31330 File
    31331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31332 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31333 return self._func(self._name, data) 
    31334 File
    31335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31336 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31337 if v.display: 
    31338 File
    31339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31340 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31341 return self._any_displayed_positions and len(self._positions) > 0 
    31342 TypeError: object of type 'NoneType' has no len() 
    31343  
    31344 During handling of the above exception, another exception occurred: 
    31345  
    31346 Traceback (most recent call last): 
    31347 File
    31348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31349 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31350 if not self.draw_new_frame(): 
    31351 File
    31352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31353 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31354 changed = view.check_for_drawing_change() 
    31355 File
    31356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31357 packages/chimerax/core/graphics/view.py", line 252, in
    31358 check_for_drawing_change 
    31359 trig.activate_trigger('graphics update', self) 
    31360 File
    31361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31362 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31363 trigger.activate(data) 
    31364 File
    31365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31366 packages/chimerax/core/triggerset.py", line 190, in activate 
    31367 ret = handler.invoke(data, self._remove_bad_handlers) 
    31368 File
    31369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31370 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31371 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31372 File
    31373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31374 packages/chimerax/core/session.py", line 943, in <lambda> 
    31375 logger.report_exception(preface=preface)) 
    31376 File
    31377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31378 packages/chimerax/core/logger.py", line 421, in report_exception 
    31379 elif probably_chimera1_session(exc_info): 
    31380 File
    31381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31382 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31383 etype, evalue, etraceback = exc_info 
    31384 TypeError: cannot unpack non-iterable NoneType object 
    31385  
    31386 TypeError: cannot unpack non-iterable NoneType object 
    31387  
    31388 File
    31389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31390 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31391 etype, evalue, etraceback = exc_info 
    31392  
    31393 See log for complete Python traceback. 
    31394  
    31395 Traceback (most recent call last): 
    31396 File
    31397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31398 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31399 return self._func(self._name, data) 
    31400 File
    31401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31402 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31403 if v.display: 
    31404 File
    31405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31406 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31407 return self._any_displayed_positions and len(self._positions) > 0 
    31408 TypeError: object of type 'NoneType' has no len() 
    31409  
    31410 During handling of the above exception, another exception occurred: 
    31411  
    31412 Traceback (most recent call last): 
    31413 File
    31414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31415 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31416 if not self.draw_new_frame(): 
    31417 File
    31418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31419 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31420 changed = view.check_for_drawing_change() 
    31421 File
    31422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31423 packages/chimerax/core/graphics/view.py", line 252, in
    31424 check_for_drawing_change 
    31425 trig.activate_trigger('graphics update', self) 
    31426 File
    31427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31428 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31429 trigger.activate(data) 
    31430 File
    31431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31432 packages/chimerax/core/triggerset.py", line 190, in activate 
    31433 ret = handler.invoke(data, self._remove_bad_handlers) 
    31434 File
    31435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31436 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31437 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31438 File
    31439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31440 packages/chimerax/core/session.py", line 943, in <lambda> 
    31441 logger.report_exception(preface=preface)) 
    31442 File
    31443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31444 packages/chimerax/core/logger.py", line 421, in report_exception 
    31445 elif probably_chimera1_session(exc_info): 
    31446 File
    31447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31448 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31449 etype, evalue, etraceback = exc_info 
    31450 TypeError: cannot unpack non-iterable NoneType object 
    31451  
    31452 TypeError: cannot unpack non-iterable NoneType object 
    31453  
    31454 File
    31455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31456 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31457 etype, evalue, etraceback = exc_info 
    31458  
    31459 See log for complete Python traceback. 
    31460  
    31461 Traceback (most recent call last): 
    31462 File
    31463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31464 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31465 return self._func(self._name, data) 
    31466 File
    31467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31468 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31469 if v.display: 
    31470 File
    31471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31472 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31473 return self._any_displayed_positions and len(self._positions) > 0 
    31474 TypeError: object of type 'NoneType' has no len() 
    31475  
    31476 During handling of the above exception, another exception occurred: 
    31477  
    31478 Traceback (most recent call last): 
    31479 File
    31480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31481 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31482 if not self.draw_new_frame(): 
    31483 File
    31484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31485 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31486 changed = view.check_for_drawing_change() 
    31487 File
    31488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31489 packages/chimerax/core/graphics/view.py", line 252, in
    31490 check_for_drawing_change 
    31491 trig.activate_trigger('graphics update', self) 
    31492 File
    31493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31494 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31495 trigger.activate(data) 
    31496 File
    31497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31498 packages/chimerax/core/triggerset.py", line 190, in activate 
    31499 ret = handler.invoke(data, self._remove_bad_handlers) 
    31500 File
    31501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31502 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31503 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31504 File
    31505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31506 packages/chimerax/core/session.py", line 943, in <lambda> 
    31507 logger.report_exception(preface=preface)) 
    31508 File
    31509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31510 packages/chimerax/core/logger.py", line 421, in report_exception 
    31511 elif probably_chimera1_session(exc_info): 
    31512 File
    31513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31514 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31515 etype, evalue, etraceback = exc_info 
    31516 TypeError: cannot unpack non-iterable NoneType object 
    31517  
    31518 TypeError: cannot unpack non-iterable NoneType object 
    31519  
    31520 File
    31521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31522 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31523 etype, evalue, etraceback = exc_info 
    31524  
    31525 See log for complete Python traceback. 
    31526  
    31527 Traceback (most recent call last): 
    31528 File
    31529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31530 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31531 return self._func(self._name, data) 
    31532 File
    31533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31534 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31535 if v.display: 
    31536 File
    31537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31538 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31539 return self._any_displayed_positions and len(self._positions) > 0 
    31540 TypeError: object of type 'NoneType' has no len() 
    31541  
    31542 During handling of the above exception, another exception occurred: 
    31543  
    31544 Traceback (most recent call last): 
    31545 File
    31546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31547 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31548 if not self.draw_new_frame(): 
    31549 File
    31550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31551 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31552 changed = view.check_for_drawing_change() 
    31553 File
    31554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31555 packages/chimerax/core/graphics/view.py", line 252, in
    31556 check_for_drawing_change 
    31557 trig.activate_trigger('graphics update', self) 
    31558 File
    31559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31560 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31561 trigger.activate(data) 
    31562 File
    31563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31564 packages/chimerax/core/triggerset.py", line 190, in activate 
    31565 ret = handler.invoke(data, self._remove_bad_handlers) 
    31566 File
    31567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31568 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31569 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31570 File
    31571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31572 packages/chimerax/core/session.py", line 943, in <lambda> 
    31573 logger.report_exception(preface=preface)) 
    31574 File
    31575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31576 packages/chimerax/core/logger.py", line 421, in report_exception 
    31577 elif probably_chimera1_session(exc_info): 
    31578 File
    31579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31580 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31581 etype, evalue, etraceback = exc_info 
    31582 TypeError: cannot unpack non-iterable NoneType object 
    31583  
    31584 TypeError: cannot unpack non-iterable NoneType object 
    31585  
    31586 File
    31587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31588 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31589 etype, evalue, etraceback = exc_info 
    31590  
    31591 See log for complete Python traceback. 
    31592  
    31593 Traceback (most recent call last): 
    31594 File
    31595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31596 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31597 return self._func(self._name, data) 
    31598 File
    31599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31600 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31601 if v.display: 
    31602 File
    31603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31604 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31605 return self._any_displayed_positions and len(self._positions) > 0 
    31606 TypeError: object of type 'NoneType' has no len() 
    31607  
    31608 During handling of the above exception, another exception occurred: 
    31609  
    31610 Traceback (most recent call last): 
    31611 File
    31612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31613 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31614 if not self.draw_new_frame(): 
    31615 File
    31616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31617 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31618 changed = view.check_for_drawing_change() 
    31619 File
    31620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31621 packages/chimerax/core/graphics/view.py", line 252, in
    31622 check_for_drawing_change 
    31623 trig.activate_trigger('graphics update', self) 
    31624 File
    31625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31626 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31627 trigger.activate(data) 
    31628 File
    31629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31630 packages/chimerax/core/triggerset.py", line 190, in activate 
    31631 ret = handler.invoke(data, self._remove_bad_handlers) 
    31632 File
    31633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31634 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31635 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31636 File
    31637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31638 packages/chimerax/core/session.py", line 943, in <lambda> 
    31639 logger.report_exception(preface=preface)) 
    31640 File
    31641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31642 packages/chimerax/core/logger.py", line 421, in report_exception 
    31643 elif probably_chimera1_session(exc_info): 
    31644 File
    31645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31646 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31647 etype, evalue, etraceback = exc_info 
    31648 TypeError: cannot unpack non-iterable NoneType object 
    31649  
    31650 TypeError: cannot unpack non-iterable NoneType object 
    31651  
    31652 File
    31653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31654 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31655 etype, evalue, etraceback = exc_info 
    31656  
    31657 See log for complete Python traceback. 
    31658  
    31659 Traceback (most recent call last): 
    31660 File
    31661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31662 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31663 return self._func(self._name, data) 
    31664 File
    31665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31666 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31667 if v.display: 
    31668 File
    31669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31670 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31671 return self._any_displayed_positions and len(self._positions) > 0 
    31672 TypeError: object of type 'NoneType' has no len() 
    31673  
    31674 During handling of the above exception, another exception occurred: 
    31675  
    31676 Traceback (most recent call last): 
    31677 File
    31678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31679 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31680 if not self.draw_new_frame(): 
    31681 File
    31682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31683 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31684 changed = view.check_for_drawing_change() 
    31685 File
    31686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31687 packages/chimerax/core/graphics/view.py", line 252, in
    31688 check_for_drawing_change 
    31689 trig.activate_trigger('graphics update', self) 
    31690 File
    31691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31692 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31693 trigger.activate(data) 
    31694 File
    31695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31696 packages/chimerax/core/triggerset.py", line 190, in activate 
    31697 ret = handler.invoke(data, self._remove_bad_handlers) 
    31698 File
    31699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31700 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31701 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31702 File
    31703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31704 packages/chimerax/core/session.py", line 943, in <lambda> 
    31705 logger.report_exception(preface=preface)) 
    31706 File
    31707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31708 packages/chimerax/core/logger.py", line 421, in report_exception 
    31709 elif probably_chimera1_session(exc_info): 
    31710 File
    31711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31712 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31713 etype, evalue, etraceback = exc_info 
    31714 TypeError: cannot unpack non-iterable NoneType object 
    31715  
    31716 TypeError: cannot unpack non-iterable NoneType object 
    31717  
    31718 File
    31719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31720 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31721 etype, evalue, etraceback = exc_info 
    31722  
    31723 See log for complete Python traceback. 
    31724  
    31725 Traceback (most recent call last): 
    31726 File
    31727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31728 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31729 return self._func(self._name, data) 
    31730 File
    31731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31732 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31733 if v.display: 
    31734 File
    31735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31736 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31737 return self._any_displayed_positions and len(self._positions) > 0 
    31738 TypeError: object of type 'NoneType' has no len() 
    31739  
    31740 During handling of the above exception, another exception occurred: 
    31741  
    31742 Traceback (most recent call last): 
    31743 File
    31744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31745 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31746 if not self.draw_new_frame(): 
    31747 File
    31748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31749 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31750 changed = view.check_for_drawing_change() 
    31751 File
    31752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31753 packages/chimerax/core/graphics/view.py", line 252, in
    31754 check_for_drawing_change 
    31755 trig.activate_trigger('graphics update', self) 
    31756 File
    31757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31758 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31759 trigger.activate(data) 
    31760 File
    31761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31762 packages/chimerax/core/triggerset.py", line 190, in activate 
    31763 ret = handler.invoke(data, self._remove_bad_handlers) 
    31764 File
    31765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31766 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31767 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31768 File
    31769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31770 packages/chimerax/core/session.py", line 943, in <lambda> 
    31771 logger.report_exception(preface=preface)) 
    31772 File
    31773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31774 packages/chimerax/core/logger.py", line 421, in report_exception 
    31775 elif probably_chimera1_session(exc_info): 
    31776 File
    31777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31778 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31779 etype, evalue, etraceback = exc_info 
    31780 TypeError: cannot unpack non-iterable NoneType object 
    31781  
    31782 TypeError: cannot unpack non-iterable NoneType object 
    31783  
    31784 File
    31785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31786 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31787 etype, evalue, etraceback = exc_info 
    31788  
    31789 See log for complete Python traceback. 
    31790  
    31791 Traceback (most recent call last): 
    31792 File
    31793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31794 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31795 return self._func(self._name, data) 
    31796 File
    31797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31798 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31799 if v.display: 
    31800 File
    31801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31802 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31803 return self._any_displayed_positions and len(self._positions) > 0 
    31804 TypeError: object of type 'NoneType' has no len() 
    31805  
    31806 During handling of the above exception, another exception occurred: 
    31807  
    31808 Traceback (most recent call last): 
    31809 File
    31810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31811 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31812 if not self.draw_new_frame(): 
    31813 File
    31814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31815 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31816 changed = view.check_for_drawing_change() 
    31817 File
    31818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31819 packages/chimerax/core/graphics/view.py", line 252, in
    31820 check_for_drawing_change 
    31821 trig.activate_trigger('graphics update', self) 
    31822 File
    31823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31824 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31825 trigger.activate(data) 
    31826 File
    31827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31828 packages/chimerax/core/triggerset.py", line 190, in activate 
    31829 ret = handler.invoke(data, self._remove_bad_handlers) 
    31830 File
    31831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31832 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31833 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31834 File
    31835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31836 packages/chimerax/core/session.py", line 943, in <lambda> 
    31837 logger.report_exception(preface=preface)) 
    31838 File
    31839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31840 packages/chimerax/core/logger.py", line 421, in report_exception 
    31841 elif probably_chimera1_session(exc_info): 
    31842 File
    31843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31844 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31845 etype, evalue, etraceback = exc_info 
    31846 TypeError: cannot unpack non-iterable NoneType object 
    31847  
    31848 TypeError: cannot unpack non-iterable NoneType object 
    31849  
    31850 File
    31851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31852 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31853 etype, evalue, etraceback = exc_info 
    31854  
    31855 See log for complete Python traceback. 
    31856  
    31857 Traceback (most recent call last): 
    31858 File
    31859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31860 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31861 return self._func(self._name, data) 
    31862 File
    31863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31864 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31865 if v.display: 
    31866 File
    31867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31868 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31869 return self._any_displayed_positions and len(self._positions) > 0 
    31870 TypeError: object of type 'NoneType' has no len() 
    31871  
    31872 During handling of the above exception, another exception occurred: 
    31873  
    31874 Traceback (most recent call last): 
    31875 File
    31876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31877 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31878 if not self.draw_new_frame(): 
    31879 File
    31880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31881 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31882 changed = view.check_for_drawing_change() 
    31883 File
    31884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31885 packages/chimerax/core/graphics/view.py", line 252, in
    31886 check_for_drawing_change 
    31887 trig.activate_trigger('graphics update', self) 
    31888 File
    31889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31890 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31891 trigger.activate(data) 
    31892 File
    31893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31894 packages/chimerax/core/triggerset.py", line 190, in activate 
    31895 ret = handler.invoke(data, self._remove_bad_handlers) 
    31896 File
    31897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31898 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31899 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31900 File
    31901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31902 packages/chimerax/core/session.py", line 943, in <lambda> 
    31903 logger.report_exception(preface=preface)) 
    31904 File
    31905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31906 packages/chimerax/core/logger.py", line 421, in report_exception 
    31907 elif probably_chimera1_session(exc_info): 
    31908 File
    31909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31910 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31911 etype, evalue, etraceback = exc_info 
    31912 TypeError: cannot unpack non-iterable NoneType object 
    31913  
    31914 TypeError: cannot unpack non-iterable NoneType object 
    31915  
    31916 File
    31917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31918 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31919 etype, evalue, etraceback = exc_info 
    31920  
    31921 See log for complete Python traceback. 
    31922  
    31923 Traceback (most recent call last): 
    31924 File
    31925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31926 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31927 return self._func(self._name, data) 
    31928 File
    31929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31930 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31931 if v.display: 
    31932 File
    31933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31934 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    31935 return self._any_displayed_positions and len(self._positions) > 0 
    31936 TypeError: object of type 'NoneType' has no len() 
    31937  
    31938 During handling of the above exception, another exception occurred: 
    31939  
    31940 Traceback (most recent call last): 
    31941 File
    31942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31943 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    31944 if not self.draw_new_frame(): 
    31945 File
    31946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31947 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    31948 changed = view.check_for_drawing_change() 
    31949 File
    31950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31951 packages/chimerax/core/graphics/view.py", line 252, in
    31952 check_for_drawing_change 
    31953 trig.activate_trigger('graphics update', self) 
    31954 File
    31955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31956 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    31957 trigger.activate(data) 
    31958 File
    31959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31960 packages/chimerax/core/triggerset.py", line 190, in activate 
    31961 ret = handler.invoke(data, self._remove_bad_handlers) 
    31962 File
    31963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31964 packages/chimerax/core/triggerset.py", line 132, in invoke 
    31965 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    31966 File
    31967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31968 packages/chimerax/core/session.py", line 943, in <lambda> 
    31969 logger.report_exception(preface=preface)) 
    31970 File
    31971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31972 packages/chimerax/core/logger.py", line 421, in report_exception 
    31973 elif probably_chimera1_session(exc_info): 
    31974 File
    31975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31976 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31977 etype, evalue, etraceback = exc_info 
    31978 TypeError: cannot unpack non-iterable NoneType object 
    31979  
    31980 TypeError: cannot unpack non-iterable NoneType object 
    31981  
    31982 File
    31983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31984 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    31985 etype, evalue, etraceback = exc_info 
    31986  
    31987 See log for complete Python traceback. 
    31988  
    31989 Traceback (most recent call last): 
    31990 File
    31991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31992 packages/chimerax/core/triggerset.py", line 130, in invoke 
    31993 return self._func(self._name, data) 
    31994 File
    31995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    31996 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    31997 if v.display: 
    31998 File
    31999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32000 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32001 return self._any_displayed_positions and len(self._positions) > 0 
    32002 TypeError: object of type 'NoneType' has no len() 
    32003  
    32004 During handling of the above exception, another exception occurred: 
    32005  
    32006 Traceback (most recent call last): 
    32007 File
    32008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32009 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32010 if not self.draw_new_frame(): 
    32011 File
    32012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32013 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32014 changed = view.check_for_drawing_change() 
    32015 File
    32016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32017 packages/chimerax/core/graphics/view.py", line 252, in
    32018 check_for_drawing_change 
    32019 trig.activate_trigger('graphics update', self) 
    32020 File
    32021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32022 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32023 trigger.activate(data) 
    32024 File
    32025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32026 packages/chimerax/core/triggerset.py", line 190, in activate 
    32027 ret = handler.invoke(data, self._remove_bad_handlers) 
    32028 File
    32029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32030 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32031 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32032 File
    32033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32034 packages/chimerax/core/session.py", line 943, in <lambda> 
    32035 logger.report_exception(preface=preface)) 
    32036 File
    32037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32038 packages/chimerax/core/logger.py", line 421, in report_exception 
    32039 elif probably_chimera1_session(exc_info): 
    32040 File
    32041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32042 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32043 etype, evalue, etraceback = exc_info 
    32044 TypeError: cannot unpack non-iterable NoneType object 
    32045  
    32046 TypeError: cannot unpack non-iterable NoneType object 
    32047  
    32048 File
    32049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32050 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32051 etype, evalue, etraceback = exc_info 
    32052  
    32053 See log for complete Python traceback. 
    32054  
    32055 Traceback (most recent call last): 
    32056 File
    32057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32058 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32059 return self._func(self._name, data) 
    32060 File
    32061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32062 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32063 if v.display: 
    32064 File
    32065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32066 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32067 return self._any_displayed_positions and len(self._positions) > 0 
    32068 TypeError: object of type 'NoneType' has no len() 
    32069  
    32070 During handling of the above exception, another exception occurred: 
    32071  
    32072 Traceback (most recent call last): 
    32073 File
    32074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32075 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32076 if not self.draw_new_frame(): 
    32077 File
    32078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32079 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32080 changed = view.check_for_drawing_change() 
    32081 File
    32082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32083 packages/chimerax/core/graphics/view.py", line 252, in
    32084 check_for_drawing_change 
    32085 trig.activate_trigger('graphics update', self) 
    32086 File
    32087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32088 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32089 trigger.activate(data) 
    32090 File
    32091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32092 packages/chimerax/core/triggerset.py", line 190, in activate 
    32093 ret = handler.invoke(data, self._remove_bad_handlers) 
    32094 File
    32095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32096 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32097 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32098 File
    32099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32100 packages/chimerax/core/session.py", line 943, in <lambda> 
    32101 logger.report_exception(preface=preface)) 
    32102 File
    32103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32104 packages/chimerax/core/logger.py", line 421, in report_exception 
    32105 elif probably_chimera1_session(exc_info): 
    32106 File
    32107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32108 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32109 etype, evalue, etraceback = exc_info 
    32110 TypeError: cannot unpack non-iterable NoneType object 
    32111  
    32112 TypeError: cannot unpack non-iterable NoneType object 
    32113  
    32114 File
    32115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32116 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32117 etype, evalue, etraceback = exc_info 
    32118  
    32119 See log for complete Python traceback. 
    32120  
    32121 Traceback (most recent call last): 
    32122 File
    32123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32124 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32125 return self._func(self._name, data) 
    32126 File
    32127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32128 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32129 if v.display: 
    32130 File
    32131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32132 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32133 return self._any_displayed_positions and len(self._positions) > 0 
    32134 TypeError: object of type 'NoneType' has no len() 
    32135  
    32136 During handling of the above exception, another exception occurred: 
    32137  
    32138 Traceback (most recent call last): 
    32139 File
    32140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32141 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32142 if not self.draw_new_frame(): 
    32143 File
    32144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32145 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32146 changed = view.check_for_drawing_change() 
    32147 File
    32148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32149 packages/chimerax/core/graphics/view.py", line 252, in
    32150 check_for_drawing_change 
    32151 trig.activate_trigger('graphics update', self) 
    32152 File
    32153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32154 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32155 trigger.activate(data) 
    32156 File
    32157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32158 packages/chimerax/core/triggerset.py", line 190, in activate 
    32159 ret = handler.invoke(data, self._remove_bad_handlers) 
    32160 File
    32161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32162 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32163 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32164 File
    32165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32166 packages/chimerax/core/session.py", line 943, in <lambda> 
    32167 logger.report_exception(preface=preface)) 
    32168 File
    32169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32170 packages/chimerax/core/logger.py", line 421, in report_exception 
    32171 elif probably_chimera1_session(exc_info): 
    32172 File
    32173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32174 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32175 etype, evalue, etraceback = exc_info 
    32176 TypeError: cannot unpack non-iterable NoneType object 
    32177  
    32178 TypeError: cannot unpack non-iterable NoneType object 
    32179  
    32180 File
    32181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32182 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32183 etype, evalue, etraceback = exc_info 
    32184  
    32185 See log for complete Python traceback. 
    32186  
    32187 Traceback (most recent call last): 
    32188 File
    32189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32190 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32191 return self._func(self._name, data) 
    32192 File
    32193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32194 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32195 if v.display: 
    32196 File
    32197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32198 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32199 return self._any_displayed_positions and len(self._positions) > 0 
    32200 TypeError: object of type 'NoneType' has no len() 
    32201  
    32202 During handling of the above exception, another exception occurred: 
    32203  
    32204 Traceback (most recent call last): 
    32205 File
    32206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32207 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32208 if not self.draw_new_frame(): 
    32209 File
    32210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32211 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32212 changed = view.check_for_drawing_change() 
    32213 File
    32214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32215 packages/chimerax/core/graphics/view.py", line 252, in
    32216 check_for_drawing_change 
    32217 trig.activate_trigger('graphics update', self) 
    32218 File
    32219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32220 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32221 trigger.activate(data) 
    32222 File
    32223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32224 packages/chimerax/core/triggerset.py", line 190, in activate 
    32225 ret = handler.invoke(data, self._remove_bad_handlers) 
    32226 File
    32227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32228 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32229 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32230 File
    32231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32232 packages/chimerax/core/session.py", line 943, in <lambda> 
    32233 logger.report_exception(preface=preface)) 
    32234 File
    32235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32236 packages/chimerax/core/logger.py", line 421, in report_exception 
    32237 elif probably_chimera1_session(exc_info): 
    32238 File
    32239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32240 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32241 etype, evalue, etraceback = exc_info 
    32242 TypeError: cannot unpack non-iterable NoneType object 
    32243  
    32244 TypeError: cannot unpack non-iterable NoneType object 
    32245  
    32246 File
    32247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32248 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32249 etype, evalue, etraceback = exc_info 
    32250  
    32251 See log for complete Python traceback. 
    32252  
    32253 Traceback (most recent call last): 
    32254 File
    32255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32256 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32257 return self._func(self._name, data) 
    32258 File
    32259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32260 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32261 if v.display: 
    32262 File
    32263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32264 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32265 return self._any_displayed_positions and len(self._positions) > 0 
    32266 TypeError: object of type 'NoneType' has no len() 
    32267  
    32268 During handling of the above exception, another exception occurred: 
    32269  
    32270 Traceback (most recent call last): 
    32271 File
    32272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32273 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32274 if not self.draw_new_frame(): 
    32275 File
    32276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32277 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32278 changed = view.check_for_drawing_change() 
    32279 File
    32280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32281 packages/chimerax/core/graphics/view.py", line 252, in
    32282 check_for_drawing_change 
    32283 trig.activate_trigger('graphics update', self) 
    32284 File
    32285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32286 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32287 trigger.activate(data) 
    32288 File
    32289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32290 packages/chimerax/core/triggerset.py", line 190, in activate 
    32291 ret = handler.invoke(data, self._remove_bad_handlers) 
    32292 File
    32293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32294 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32295 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32296 File
    32297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32298 packages/chimerax/core/session.py", line 943, in <lambda> 
    32299 logger.report_exception(preface=preface)) 
    32300 File
    32301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32302 packages/chimerax/core/logger.py", line 421, in report_exception 
    32303 elif probably_chimera1_session(exc_info): 
    32304 File
    32305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32306 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32307 etype, evalue, etraceback = exc_info 
    32308 TypeError: cannot unpack non-iterable NoneType object 
    32309  
    32310 TypeError: cannot unpack non-iterable NoneType object 
    32311  
    32312 File
    32313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32314 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32315 etype, evalue, etraceback = exc_info 
    32316  
    32317 See log for complete Python traceback. 
    32318  
    32319 Traceback (most recent call last): 
    32320 File
    32321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32322 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32323 return self._func(self._name, data) 
    32324 File
    32325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32326 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32327 if v.display: 
    32328 File
    32329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32330 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32331 return self._any_displayed_positions and len(self._positions) > 0 
    32332 TypeError: object of type 'NoneType' has no len() 
    32333  
    32334 During handling of the above exception, another exception occurred: 
    32335  
    32336 Traceback (most recent call last): 
    32337 File
    32338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32339 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32340 if not self.draw_new_frame(): 
    32341 File
    32342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32343 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32344 changed = view.check_for_drawing_change() 
    32345 File
    32346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32347 packages/chimerax/core/graphics/view.py", line 252, in
    32348 check_for_drawing_change 
    32349 trig.activate_trigger('graphics update', self) 
    32350 File
    32351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32352 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32353 trigger.activate(data) 
    32354 File
    32355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32356 packages/chimerax/core/triggerset.py", line 190, in activate 
    32357 ret = handler.invoke(data, self._remove_bad_handlers) 
    32358 File
    32359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32360 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32361 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32362 File
    32363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32364 packages/chimerax/core/session.py", line 943, in <lambda> 
    32365 logger.report_exception(preface=preface)) 
    32366 File
    32367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32368 packages/chimerax/core/logger.py", line 421, in report_exception 
    32369 elif probably_chimera1_session(exc_info): 
    32370 File
    32371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32372 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32373 etype, evalue, etraceback = exc_info 
    32374 TypeError: cannot unpack non-iterable NoneType object 
    32375  
    32376 TypeError: cannot unpack non-iterable NoneType object 
    32377  
    32378 File
    32379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32380 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32381 etype, evalue, etraceback = exc_info 
    32382  
    32383 See log for complete Python traceback. 
    32384  
    32385 Traceback (most recent call last): 
    32386 File
    32387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32388 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32389 return self._func(self._name, data) 
    32390 File
    32391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32392 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32393 if v.display: 
    32394 File
    32395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32396 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32397 return self._any_displayed_positions and len(self._positions) > 0 
    32398 TypeError: object of type 'NoneType' has no len() 
    32399  
    32400 During handling of the above exception, another exception occurred: 
    32401  
    32402 Traceback (most recent call last): 
    32403 File
    32404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32405 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32406 if not self.draw_new_frame(): 
    32407 File
    32408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32409 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32410 changed = view.check_for_drawing_change() 
    32411 File
    32412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32413 packages/chimerax/core/graphics/view.py", line 252, in
    32414 check_for_drawing_change 
    32415 trig.activate_trigger('graphics update', self) 
    32416 File
    32417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32418 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32419 trigger.activate(data) 
    32420 File
    32421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32422 packages/chimerax/core/triggerset.py", line 190, in activate 
    32423 ret = handler.invoke(data, self._remove_bad_handlers) 
    32424 File
    32425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32426 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32427 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32428 File
    32429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32430 packages/chimerax/core/session.py", line 943, in <lambda> 
    32431 logger.report_exception(preface=preface)) 
    32432 File
    32433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32434 packages/chimerax/core/logger.py", line 421, in report_exception 
    32435 elif probably_chimera1_session(exc_info): 
    32436 File
    32437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32438 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32439 etype, evalue, etraceback = exc_info 
    32440 TypeError: cannot unpack non-iterable NoneType object 
    32441  
    32442 TypeError: cannot unpack non-iterable NoneType object 
    32443  
    32444 File
    32445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32446 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32447 etype, evalue, etraceback = exc_info 
    32448  
    32449 See log for complete Python traceback. 
    32450  
    32451 Traceback (most recent call last): 
    32452 File
    32453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32454 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32455 return self._func(self._name, data) 
    32456 File
    32457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32458 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32459 if v.display: 
    32460 File
    32461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32462 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32463 return self._any_displayed_positions and len(self._positions) > 0 
    32464 TypeError: object of type 'NoneType' has no len() 
    32465  
    32466 During handling of the above exception, another exception occurred: 
    32467  
    32468 Traceback (most recent call last): 
    32469 File
    32470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32471 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32472 if not self.draw_new_frame(): 
    32473 File
    32474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32475 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32476 changed = view.check_for_drawing_change() 
    32477 File
    32478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32479 packages/chimerax/core/graphics/view.py", line 252, in
    32480 check_for_drawing_change 
    32481 trig.activate_trigger('graphics update', self) 
    32482 File
    32483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32484 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32485 trigger.activate(data) 
    32486 File
    32487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32488 packages/chimerax/core/triggerset.py", line 190, in activate 
    32489 ret = handler.invoke(data, self._remove_bad_handlers) 
    32490 File
    32491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32492 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32493 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32494 File
    32495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32496 packages/chimerax/core/session.py", line 943, in <lambda> 
    32497 logger.report_exception(preface=preface)) 
    32498 File
    32499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32500 packages/chimerax/core/logger.py", line 421, in report_exception 
    32501 elif probably_chimera1_session(exc_info): 
    32502 File
    32503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32504 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32505 etype, evalue, etraceback = exc_info 
    32506 TypeError: cannot unpack non-iterable NoneType object 
    32507  
    32508 TypeError: cannot unpack non-iterable NoneType object 
    32509  
    32510 File
    32511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32512 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32513 etype, evalue, etraceback = exc_info 
    32514  
    32515 See log for complete Python traceback. 
    32516  
    32517 Traceback (most recent call last): 
    32518 File
    32519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32520 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32521 return self._func(self._name, data) 
    32522 File
    32523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32524 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32525 if v.display: 
    32526 File
    32527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32528 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32529 return self._any_displayed_positions and len(self._positions) > 0 
    32530 TypeError: object of type 'NoneType' has no len() 
    32531  
    32532 During handling of the above exception, another exception occurred: 
    32533  
    32534 Traceback (most recent call last): 
    32535 File
    32536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32537 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32538 if not self.draw_new_frame(): 
    32539 File
    32540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32541 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32542 changed = view.check_for_drawing_change() 
    32543 File
    32544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32545 packages/chimerax/core/graphics/view.py", line 252, in
    32546 check_for_drawing_change 
    32547 trig.activate_trigger('graphics update', self) 
    32548 File
    32549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32550 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32551 trigger.activate(data) 
    32552 File
    32553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32554 packages/chimerax/core/triggerset.py", line 190, in activate 
    32555 ret = handler.invoke(data, self._remove_bad_handlers) 
    32556 File
    32557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32558 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32559 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32560 File
    32561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32562 packages/chimerax/core/session.py", line 943, in <lambda> 
    32563 logger.report_exception(preface=preface)) 
    32564 File
    32565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32566 packages/chimerax/core/logger.py", line 421, in report_exception 
    32567 elif probably_chimera1_session(exc_info): 
    32568 File
    32569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32570 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32571 etype, evalue, etraceback = exc_info 
    32572 TypeError: cannot unpack non-iterable NoneType object 
    32573  
    32574 TypeError: cannot unpack non-iterable NoneType object 
    32575  
    32576 File
    32577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32578 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32579 etype, evalue, etraceback = exc_info 
    32580  
    32581 See log for complete Python traceback. 
    32582  
    32583 Traceback (most recent call last): 
    32584 File
    32585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32586 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32587 return self._func(self._name, data) 
    32588 File
    32589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32590 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32591 if v.display: 
    32592 File
    32593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32594 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32595 return self._any_displayed_positions and len(self._positions) > 0 
    32596 TypeError: object of type 'NoneType' has no len() 
    32597  
    32598 During handling of the above exception, another exception occurred: 
    32599  
    32600 Traceback (most recent call last): 
    32601 File
    32602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32603 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32604 if not self.draw_new_frame(): 
    32605 File
    32606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32607 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32608 changed = view.check_for_drawing_change() 
    32609 File
    32610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32611 packages/chimerax/core/graphics/view.py", line 252, in
    32612 check_for_drawing_change 
    32613 trig.activate_trigger('graphics update', self) 
    32614 File
    32615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32616 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32617 trigger.activate(data) 
    32618 File
    32619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32620 packages/chimerax/core/triggerset.py", line 190, in activate 
    32621 ret = handler.invoke(data, self._remove_bad_handlers) 
    32622 File
    32623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32624 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32625 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32626 File
    32627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32628 packages/chimerax/core/session.py", line 943, in <lambda> 
    32629 logger.report_exception(preface=preface)) 
    32630 File
    32631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32632 packages/chimerax/core/logger.py", line 421, in report_exception 
    32633 elif probably_chimera1_session(exc_info): 
    32634 File
    32635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32636 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32637 etype, evalue, etraceback = exc_info 
    32638 TypeError: cannot unpack non-iterable NoneType object 
    32639  
    32640 TypeError: cannot unpack non-iterable NoneType object 
    32641  
    32642 File
    32643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32644 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32645 etype, evalue, etraceback = exc_info 
    32646  
    32647 See log for complete Python traceback. 
    32648  
    32649 Traceback (most recent call last): 
    32650 File
    32651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32652 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32653 return self._func(self._name, data) 
    32654 File
    32655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32656 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32657 if v.display: 
    32658 File
    32659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32660 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32661 return self._any_displayed_positions and len(self._positions) > 0 
    32662 TypeError: object of type 'NoneType' has no len() 
    32663  
    32664 During handling of the above exception, another exception occurred: 
    32665  
    32666 Traceback (most recent call last): 
    32667 File
    32668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32669 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32670 if not self.draw_new_frame(): 
    32671 File
    32672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32673 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32674 changed = view.check_for_drawing_change() 
    32675 File
    32676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32677 packages/chimerax/core/graphics/view.py", line 252, in
    32678 check_for_drawing_change 
    32679 trig.activate_trigger('graphics update', self) 
    32680 File
    32681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32682 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32683 trigger.activate(data) 
    32684 File
    32685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32686 packages/chimerax/core/triggerset.py", line 190, in activate 
    32687 ret = handler.invoke(data, self._remove_bad_handlers) 
    32688 File
    32689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32690 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32691 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32692 File
    32693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32694 packages/chimerax/core/session.py", line 943, in <lambda> 
    32695 logger.report_exception(preface=preface)) 
    32696 File
    32697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32698 packages/chimerax/core/logger.py", line 421, in report_exception 
    32699 elif probably_chimera1_session(exc_info): 
    32700 File
    32701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32702 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32703 etype, evalue, etraceback = exc_info 
    32704 TypeError: cannot unpack non-iterable NoneType object 
    32705  
    32706 TypeError: cannot unpack non-iterable NoneType object 
    32707  
    32708 File
    32709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32710 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32711 etype, evalue, etraceback = exc_info 
    32712  
    32713 See log for complete Python traceback. 
    32714  
    32715 Traceback (most recent call last): 
    32716 File
    32717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32719 return self._func(self._name, data) 
    32720 File
    32721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32722 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32723 if v.display: 
    32724 File
    32725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32726 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32727 return self._any_displayed_positions and len(self._positions) > 0 
    32728 TypeError: object of type 'NoneType' has no len() 
    32729  
    32730 During handling of the above exception, another exception occurred: 
    32731  
    32732 Traceback (most recent call last): 
    32733 File
    32734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32735 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32736 if not self.draw_new_frame(): 
    32737 File
    32738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32739 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32740 changed = view.check_for_drawing_change() 
    32741 File
    32742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32743 packages/chimerax/core/graphics/view.py", line 252, in
    32744 check_for_drawing_change 
    32745 trig.activate_trigger('graphics update', self) 
    32746 File
    32747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32748 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32749 trigger.activate(data) 
    32750 File
    32751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32752 packages/chimerax/core/triggerset.py", line 190, in activate 
    32753 ret = handler.invoke(data, self._remove_bad_handlers) 
    32754 File
    32755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32756 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32757 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32758 File
    32759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32760 packages/chimerax/core/session.py", line 943, in <lambda> 
    32761 logger.report_exception(preface=preface)) 
    32762 File
    32763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32764 packages/chimerax/core/logger.py", line 421, in report_exception 
    32765 elif probably_chimera1_session(exc_info): 
    32766 File
    32767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32768 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32769 etype, evalue, etraceback = exc_info 
    32770 TypeError: cannot unpack non-iterable NoneType object 
    32771  
    32772 TypeError: cannot unpack non-iterable NoneType object 
    32773  
    32774 File
    32775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32776 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32777 etype, evalue, etraceback = exc_info 
    32778  
    32779 See log for complete Python traceback. 
    32780  
    32781 Traceback (most recent call last): 
    32782 File
    32783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32784 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32785 return self._func(self._name, data) 
    32786 File
    32787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32788 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32789 if v.display: 
    32790 File
    32791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32792 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32793 return self._any_displayed_positions and len(self._positions) > 0 
    32794 TypeError: object of type 'NoneType' has no len() 
    32795  
    32796 During handling of the above exception, another exception occurred: 
    32797  
    32798 Traceback (most recent call last): 
    32799 File
    32800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32801 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32802 if not self.draw_new_frame(): 
    32803 File
    32804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32805 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32806 changed = view.check_for_drawing_change() 
    32807 File
    32808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32809 packages/chimerax/core/graphics/view.py", line 252, in
    32810 check_for_drawing_change 
    32811 trig.activate_trigger('graphics update', self) 
    32812 File
    32813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32814 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32815 trigger.activate(data) 
    32816 File
    32817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32818 packages/chimerax/core/triggerset.py", line 190, in activate 
    32819 ret = handler.invoke(data, self._remove_bad_handlers) 
    32820 File
    32821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32822 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32823 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32824 File
    32825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32826 packages/chimerax/core/session.py", line 943, in <lambda> 
    32827 logger.report_exception(preface=preface)) 
    32828 File
    32829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32830 packages/chimerax/core/logger.py", line 421, in report_exception 
    32831 elif probably_chimera1_session(exc_info): 
    32832 File
    32833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32834 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32835 etype, evalue, etraceback = exc_info 
    32836 TypeError: cannot unpack non-iterable NoneType object 
    32837  
    32838 TypeError: cannot unpack non-iterable NoneType object 
    32839  
    32840 File
    32841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32842 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32843 etype, evalue, etraceback = exc_info 
    32844  
    32845 See log for complete Python traceback. 
    32846  
    32847 Traceback (most recent call last): 
    32848 File
    32849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32850 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32851 return self._func(self._name, data) 
    32852 File
    32853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32854 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32855 if v.display: 
    32856 File
    32857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32858 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32859 return self._any_displayed_positions and len(self._positions) > 0 
    32860 TypeError: object of type 'NoneType' has no len() 
    32861  
    32862 During handling of the above exception, another exception occurred: 
    32863  
    32864 Traceback (most recent call last): 
    32865 File
    32866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32867 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32868 if not self.draw_new_frame(): 
    32869 File
    32870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32871 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32872 changed = view.check_for_drawing_change() 
    32873 File
    32874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32875 packages/chimerax/core/graphics/view.py", line 252, in
    32876 check_for_drawing_change 
    32877 trig.activate_trigger('graphics update', self) 
    32878 File
    32879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32880 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32881 trigger.activate(data) 
    32882 File
    32883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32884 packages/chimerax/core/triggerset.py", line 190, in activate 
    32885 ret = handler.invoke(data, self._remove_bad_handlers) 
    32886 File
    32887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32888 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32889 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32890 File
    32891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32892 packages/chimerax/core/session.py", line 943, in <lambda> 
    32893 logger.report_exception(preface=preface)) 
    32894 File
    32895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32896 packages/chimerax/core/logger.py", line 421, in report_exception 
    32897 elif probably_chimera1_session(exc_info): 
    32898 File
    32899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32900 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32901 etype, evalue, etraceback = exc_info 
    32902 TypeError: cannot unpack non-iterable NoneType object 
    32903  
    32904 TypeError: cannot unpack non-iterable NoneType object 
    32905  
    32906 File
    32907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32908 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32909 etype, evalue, etraceback = exc_info 
    32910  
    32911 See log for complete Python traceback. 
    32912  
    32913 Traceback (most recent call last): 
    32914 File
    32915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32916 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32917 return self._func(self._name, data) 
    32918 File
    32919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32920 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32921 if v.display: 
    32922 File
    32923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32924 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32925 return self._any_displayed_positions and len(self._positions) > 0 
    32926 TypeError: object of type 'NoneType' has no len() 
    32927  
    32928 During handling of the above exception, another exception occurred: 
    32929  
    32930 Traceback (most recent call last): 
    32931 File
    32932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32933 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    32934 if not self.draw_new_frame(): 
    32935 File
    32936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32937 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    32938 changed = view.check_for_drawing_change() 
    32939 File
    32940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32941 packages/chimerax/core/graphics/view.py", line 252, in
    32942 check_for_drawing_change 
    32943 trig.activate_trigger('graphics update', self) 
    32944 File
    32945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32946 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    32947 trigger.activate(data) 
    32948 File
    32949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32950 packages/chimerax/core/triggerset.py", line 190, in activate 
    32951 ret = handler.invoke(data, self._remove_bad_handlers) 
    32952 File
    32953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32954 packages/chimerax/core/triggerset.py", line 132, in invoke 
    32955 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    32956 File
    32957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32958 packages/chimerax/core/session.py", line 943, in <lambda> 
    32959 logger.report_exception(preface=preface)) 
    32960 File
    32961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32962 packages/chimerax/core/logger.py", line 421, in report_exception 
    32963 elif probably_chimera1_session(exc_info): 
    32964 File
    32965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32966 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32967 etype, evalue, etraceback = exc_info 
    32968 TypeError: cannot unpack non-iterable NoneType object 
    32969  
    32970 TypeError: cannot unpack non-iterable NoneType object 
    32971  
    32972 File
    32973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32974 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    32975 etype, evalue, etraceback = exc_info 
    32976  
    32977 See log for complete Python traceback. 
    32978  
    32979 Traceback (most recent call last): 
    32980 File
    32981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32982 packages/chimerax/core/triggerset.py", line 130, in invoke 
    32983 return self._func(self._name, data) 
    32984 File
    32985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32986 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    32987 if v.display: 
    32988 File
    32989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32990 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    32991 return self._any_displayed_positions and len(self._positions) > 0 
    32992 TypeError: object of type 'NoneType' has no len() 
    32993  
    32994 During handling of the above exception, another exception occurred: 
    32995  
    32996 Traceback (most recent call last): 
    32997 File
    32998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    32999 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33000 if not self.draw_new_frame(): 
    33001 File
    33002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33003 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33004 changed = view.check_for_drawing_change() 
    33005 File
    33006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33007 packages/chimerax/core/graphics/view.py", line 252, in
    33008 check_for_drawing_change 
    33009 trig.activate_trigger('graphics update', self) 
    33010 File
    33011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33012 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33013 trigger.activate(data) 
    33014 File
    33015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33016 packages/chimerax/core/triggerset.py", line 190, in activate 
    33017 ret = handler.invoke(data, self._remove_bad_handlers) 
    33018 File
    33019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33020 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33021 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33022 File
    33023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33024 packages/chimerax/core/session.py", line 943, in <lambda> 
    33025 logger.report_exception(preface=preface)) 
    33026 File
    33027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33028 packages/chimerax/core/logger.py", line 421, in report_exception 
    33029 elif probably_chimera1_session(exc_info): 
    33030 File
    33031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33032 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33033 etype, evalue, etraceback = exc_info 
    33034 TypeError: cannot unpack non-iterable NoneType object 
    33035  
    33036 TypeError: cannot unpack non-iterable NoneType object 
    33037  
    33038 File
    33039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33040 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33041 etype, evalue, etraceback = exc_info 
    33042  
    33043 See log for complete Python traceback. 
    33044  
    33045 Traceback (most recent call last): 
    33046 File
    33047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33048 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33049 return self._func(self._name, data) 
    33050 File
    33051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33052 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33053 if v.display: 
    33054 File
    33055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33056 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33057 return self._any_displayed_positions and len(self._positions) > 0 
    33058 TypeError: object of type 'NoneType' has no len() 
    33059  
    33060 During handling of the above exception, another exception occurred: 
    33061  
    33062 Traceback (most recent call last): 
    33063 File
    33064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33065 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33066 if not self.draw_new_frame(): 
    33067 File
    33068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33069 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33070 changed = view.check_for_drawing_change() 
    33071 File
    33072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33073 packages/chimerax/core/graphics/view.py", line 252, in
    33074 check_for_drawing_change 
    33075 trig.activate_trigger('graphics update', self) 
    33076 File
    33077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33078 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33079 trigger.activate(data) 
    33080 File
    33081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33082 packages/chimerax/core/triggerset.py", line 190, in activate 
    33083 ret = handler.invoke(data, self._remove_bad_handlers) 
    33084 File
    33085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33086 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33087 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33088 File
    33089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33090 packages/chimerax/core/session.py", line 943, in <lambda> 
    33091 logger.report_exception(preface=preface)) 
    33092 File
    33093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33094 packages/chimerax/core/logger.py", line 421, in report_exception 
    33095 elif probably_chimera1_session(exc_info): 
    33096 File
    33097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33098 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33099 etype, evalue, etraceback = exc_info 
    33100 TypeError: cannot unpack non-iterable NoneType object 
    33101  
    33102 TypeError: cannot unpack non-iterable NoneType object 
    33103  
    33104 File
    33105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33106 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33107 etype, evalue, etraceback = exc_info 
    33108  
    33109 See log for complete Python traceback. 
    33110  
    33111 Traceback (most recent call last): 
    33112 File
    33113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33114 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33115 return self._func(self._name, data) 
    33116 File
    33117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33118 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33119 if v.display: 
    33120 File
    33121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33122 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33123 return self._any_displayed_positions and len(self._positions) > 0 
    33124 TypeError: object of type 'NoneType' has no len() 
    33125  
    33126 During handling of the above exception, another exception occurred: 
    33127  
    33128 Traceback (most recent call last): 
    33129 File
    33130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33131 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33132 if not self.draw_new_frame(): 
    33133 File
    33134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33135 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33136 changed = view.check_for_drawing_change() 
    33137 File
    33138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33139 packages/chimerax/core/graphics/view.py", line 252, in
    33140 check_for_drawing_change 
    33141 trig.activate_trigger('graphics update', self) 
    33142 File
    33143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33144 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33145 trigger.activate(data) 
    33146 File
    33147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33148 packages/chimerax/core/triggerset.py", line 190, in activate 
    33149 ret = handler.invoke(data, self._remove_bad_handlers) 
    33150 File
    33151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33152 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33153 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33154 File
    33155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33156 packages/chimerax/core/session.py", line 943, in <lambda> 
    33157 logger.report_exception(preface=preface)) 
    33158 File
    33159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33160 packages/chimerax/core/logger.py", line 421, in report_exception 
    33161 elif probably_chimera1_session(exc_info): 
    33162 File
    33163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33164 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33165 etype, evalue, etraceback = exc_info 
    33166 TypeError: cannot unpack non-iterable NoneType object 
    33167  
    33168 TypeError: cannot unpack non-iterable NoneType object 
    33169  
    33170 File
    33171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33172 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33173 etype, evalue, etraceback = exc_info 
    33174  
    33175 See log for complete Python traceback. 
    33176  
    33177 Traceback (most recent call last): 
    33178 File
    33179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33180 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33181 return self._func(self._name, data) 
    33182 File
    33183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33184 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33185 if v.display: 
    33186 File
    33187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33188 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33189 return self._any_displayed_positions and len(self._positions) > 0 
    33190 TypeError: object of type 'NoneType' has no len() 
    33191  
    33192 During handling of the above exception, another exception occurred: 
    33193  
    33194 Traceback (most recent call last): 
    33195 File
    33196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33197 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33198 if not self.draw_new_frame(): 
    33199 File
    33200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33201 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33202 changed = view.check_for_drawing_change() 
    33203 File
    33204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33205 packages/chimerax/core/graphics/view.py", line 252, in
    33206 check_for_drawing_change 
    33207 trig.activate_trigger('graphics update', self) 
    33208 File
    33209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33210 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33211 trigger.activate(data) 
    33212 File
    33213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33214 packages/chimerax/core/triggerset.py", line 190, in activate 
    33215 ret = handler.invoke(data, self._remove_bad_handlers) 
    33216 File
    33217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33218 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33219 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33220 File
    33221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33222 packages/chimerax/core/session.py", line 943, in <lambda> 
    33223 logger.report_exception(preface=preface)) 
    33224 File
    33225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33226 packages/chimerax/core/logger.py", line 421, in report_exception 
    33227 elif probably_chimera1_session(exc_info): 
    33228 File
    33229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33230 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33231 etype, evalue, etraceback = exc_info 
    33232 TypeError: cannot unpack non-iterable NoneType object 
    33233  
    33234 TypeError: cannot unpack non-iterable NoneType object 
    33235  
    33236 File
    33237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33238 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33239 etype, evalue, etraceback = exc_info 
    33240  
    33241 See log for complete Python traceback. 
    33242  
    33243 Traceback (most recent call last): 
    33244 File
    33245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33246 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33247 return self._func(self._name, data) 
    33248 File
    33249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33250 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33251 if v.display: 
    33252 File
    33253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33254 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33255 return self._any_displayed_positions and len(self._positions) > 0 
    33256 TypeError: object of type 'NoneType' has no len() 
    33257  
    33258 During handling of the above exception, another exception occurred: 
    33259  
    33260 Traceback (most recent call last): 
    33261 File
    33262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33263 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33264 if not self.draw_new_frame(): 
    33265 File
    33266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33267 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33268 changed = view.check_for_drawing_change() 
    33269 File
    33270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33271 packages/chimerax/core/graphics/view.py", line 252, in
    33272 check_for_drawing_change 
    33273 trig.activate_trigger('graphics update', self) 
    33274 File
    33275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33276 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33277 trigger.activate(data) 
    33278 File
    33279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33280 packages/chimerax/core/triggerset.py", line 190, in activate 
    33281 ret = handler.invoke(data, self._remove_bad_handlers) 
    33282 File
    33283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33284 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33285 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33286 File
    33287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33288 packages/chimerax/core/session.py", line 943, in <lambda> 
    33289 logger.report_exception(preface=preface)) 
    33290 File
    33291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33292 packages/chimerax/core/logger.py", line 421, in report_exception 
    33293 elif probably_chimera1_session(exc_info): 
    33294 File
    33295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33296 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33297 etype, evalue, etraceback = exc_info 
    33298 TypeError: cannot unpack non-iterable NoneType object 
    33299  
    33300 TypeError: cannot unpack non-iterable NoneType object 
    33301  
    33302 File
    33303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33304 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33305 etype, evalue, etraceback = exc_info 
    33306  
    33307 See log for complete Python traceback. 
    33308  
    33309 Traceback (most recent call last): 
    33310 File
    33311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33312 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33313 return self._func(self._name, data) 
    33314 File
    33315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33316 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33317 if v.display: 
    33318 File
    33319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33320 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33321 return self._any_displayed_positions and len(self._positions) > 0 
    33322 TypeError: object of type 'NoneType' has no len() 
    33323  
    33324 During handling of the above exception, another exception occurred: 
    33325  
    33326 Traceback (most recent call last): 
    33327 File
    33328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33329 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33330 if not self.draw_new_frame(): 
    33331 File
    33332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33333 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33334 changed = view.check_for_drawing_change() 
    33335 File
    33336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33337 packages/chimerax/core/graphics/view.py", line 252, in
    33338 check_for_drawing_change 
    33339 trig.activate_trigger('graphics update', self) 
    33340 File
    33341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33342 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33343 trigger.activate(data) 
    33344 File
    33345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33346 packages/chimerax/core/triggerset.py", line 190, in activate 
    33347 ret = handler.invoke(data, self._remove_bad_handlers) 
    33348 File
    33349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33350 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33351 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33352 File
    33353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33354 packages/chimerax/core/session.py", line 943, in <lambda> 
    33355 logger.report_exception(preface=preface)) 
    33356 File
    33357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33358 packages/chimerax/core/logger.py", line 421, in report_exception 
    33359 elif probably_chimera1_session(exc_info): 
    33360 File
    33361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33362 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33363 etype, evalue, etraceback = exc_info 
    33364 TypeError: cannot unpack non-iterable NoneType object 
    33365  
    33366 TypeError: cannot unpack non-iterable NoneType object 
    33367  
    33368 File
    33369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33370 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33371 etype, evalue, etraceback = exc_info 
    33372  
    33373 See log for complete Python traceback. 
    33374  
    33375 Traceback (most recent call last): 
    33376 File
    33377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33378 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33379 return self._func(self._name, data) 
    33380 File
    33381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33382 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33383 if v.display: 
    33384 File
    33385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33386 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33387 return self._any_displayed_positions and len(self._positions) > 0 
    33388 TypeError: object of type 'NoneType' has no len() 
    33389  
    33390 During handling of the above exception, another exception occurred: 
    33391  
    33392 Traceback (most recent call last): 
    33393 File
    33394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33395 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33396 if not self.draw_new_frame(): 
    33397 File
    33398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33399 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33400 changed = view.check_for_drawing_change() 
    33401 File
    33402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33403 packages/chimerax/core/graphics/view.py", line 252, in
    33404 check_for_drawing_change 
    33405 trig.activate_trigger('graphics update', self) 
    33406 File
    33407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33408 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33409 trigger.activate(data) 
    33410 File
    33411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33412 packages/chimerax/core/triggerset.py", line 190, in activate 
    33413 ret = handler.invoke(data, self._remove_bad_handlers) 
    33414 File
    33415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33416 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33417 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33418 File
    33419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33420 packages/chimerax/core/session.py", line 943, in <lambda> 
    33421 logger.report_exception(preface=preface)) 
    33422 File
    33423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33424 packages/chimerax/core/logger.py", line 421, in report_exception 
    33425 elif probably_chimera1_session(exc_info): 
    33426 File
    33427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33428 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33429 etype, evalue, etraceback = exc_info 
    33430 TypeError: cannot unpack non-iterable NoneType object 
    33431  
    33432 TypeError: cannot unpack non-iterable NoneType object 
    33433  
    33434 File
    33435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33436 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33437 etype, evalue, etraceback = exc_info 
    33438  
    33439 See log for complete Python traceback. 
    33440  
    33441 Traceback (most recent call last): 
    33442 File
    33443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33444 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33445 return self._func(self._name, data) 
    33446 File
    33447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33448 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33449 if v.display: 
    33450 File
    33451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33452 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33453 return self._any_displayed_positions and len(self._positions) > 0 
    33454 TypeError: object of type 'NoneType' has no len() 
    33455  
    33456 During handling of the above exception, another exception occurred: 
    33457  
    33458 Traceback (most recent call last): 
    33459 File
    33460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33461 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33462 if not self.draw_new_frame(): 
    33463 File
    33464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33465 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33466 changed = view.check_for_drawing_change() 
    33467 File
    33468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33469 packages/chimerax/core/graphics/view.py", line 252, in
    33470 check_for_drawing_change 
    33471 trig.activate_trigger('graphics update', self) 
    33472 File
    33473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33474 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33475 trigger.activate(data) 
    33476 File
    33477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33478 packages/chimerax/core/triggerset.py", line 190, in activate 
    33479 ret = handler.invoke(data, self._remove_bad_handlers) 
    33480 File
    33481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33482 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33483 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33484 File
    33485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33486 packages/chimerax/core/session.py", line 943, in <lambda> 
    33487 logger.report_exception(preface=preface)) 
    33488 File
    33489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33490 packages/chimerax/core/logger.py", line 421, in report_exception 
    33491 elif probably_chimera1_session(exc_info): 
    33492 File
    33493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33494 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33495 etype, evalue, etraceback = exc_info 
    33496 TypeError: cannot unpack non-iterable NoneType object 
    33497  
    33498 TypeError: cannot unpack non-iterable NoneType object 
    33499  
    33500 File
    33501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33502 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33503 etype, evalue, etraceback = exc_info 
    33504  
    33505 See log for complete Python traceback. 
    33506  
    33507 Traceback (most recent call last): 
    33508 File
    33509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33510 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33511 return self._func(self._name, data) 
    33512 File
    33513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33514 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33515 if v.display: 
    33516 File
    33517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33518 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33519 return self._any_displayed_positions and len(self._positions) > 0 
    33520 TypeError: object of type 'NoneType' has no len() 
    33521  
    33522 During handling of the above exception, another exception occurred: 
    33523  
    33524 Traceback (most recent call last): 
    33525 File
    33526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33527 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33528 if not self.draw_new_frame(): 
    33529 File
    33530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33531 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33532 changed = view.check_for_drawing_change() 
    33533 File
    33534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33535 packages/chimerax/core/graphics/view.py", line 252, in
    33536 check_for_drawing_change 
    33537 trig.activate_trigger('graphics update', self) 
    33538 File
    33539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33540 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33541 trigger.activate(data) 
    33542 File
    33543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33544 packages/chimerax/core/triggerset.py", line 190, in activate 
    33545 ret = handler.invoke(data, self._remove_bad_handlers) 
    33546 File
    33547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33548 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33549 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33550 File
    33551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33552 packages/chimerax/core/session.py", line 943, in <lambda> 
    33553 logger.report_exception(preface=preface)) 
    33554 File
    33555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33556 packages/chimerax/core/logger.py", line 421, in report_exception 
    33557 elif probably_chimera1_session(exc_info): 
    33558 File
    33559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33560 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33561 etype, evalue, etraceback = exc_info 
    33562 TypeError: cannot unpack non-iterable NoneType object 
    33563  
    33564 TypeError: cannot unpack non-iterable NoneType object 
    33565  
    33566 File
    33567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33568 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33569 etype, evalue, etraceback = exc_info 
    33570  
    33571 See log for complete Python traceback. 
    33572  
    33573 Traceback (most recent call last): 
    33574 File
    33575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33576 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33577 return self._func(self._name, data) 
    33578 File
    33579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33580 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33581 if v.display: 
    33582 File
    33583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33584 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33585 return self._any_displayed_positions and len(self._positions) > 0 
    33586 TypeError: object of type 'NoneType' has no len() 
    33587  
    33588 During handling of the above exception, another exception occurred: 
    33589  
    33590 Traceback (most recent call last): 
    33591 File
    33592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33593 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33594 if not self.draw_new_frame(): 
    33595 File
    33596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33597 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33598 changed = view.check_for_drawing_change() 
    33599 File
    33600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33601 packages/chimerax/core/graphics/view.py", line 252, in
    33602 check_for_drawing_change 
    33603 trig.activate_trigger('graphics update', self) 
    33604 File
    33605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33606 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33607 trigger.activate(data) 
    33608 File
    33609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33610 packages/chimerax/core/triggerset.py", line 190, in activate 
    33611 ret = handler.invoke(data, self._remove_bad_handlers) 
    33612 File
    33613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33614 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33615 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33616 File
    33617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33618 packages/chimerax/core/session.py", line 943, in <lambda> 
    33619 logger.report_exception(preface=preface)) 
    33620 File
    33621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33622 packages/chimerax/core/logger.py", line 421, in report_exception 
    33623 elif probably_chimera1_session(exc_info): 
    33624 File
    33625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33626 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33627 etype, evalue, etraceback = exc_info 
    33628 TypeError: cannot unpack non-iterable NoneType object 
    33629  
    33630 TypeError: cannot unpack non-iterable NoneType object 
    33631  
    33632 File
    33633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33634 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33635 etype, evalue, etraceback = exc_info 
    33636  
    33637 See log for complete Python traceback. 
    33638  
    33639 Traceback (most recent call last): 
    33640 File
    33641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33642 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33643 return self._func(self._name, data) 
    33644 File
    33645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33646 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33647 if v.display: 
    33648 File
    33649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33650 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33651 return self._any_displayed_positions and len(self._positions) > 0 
    33652 TypeError: object of type 'NoneType' has no len() 
    33653  
    33654 During handling of the above exception, another exception occurred: 
    33655  
    33656 Traceback (most recent call last): 
    33657 File
    33658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33659 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33660 if not self.draw_new_frame(): 
    33661 File
    33662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33663 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33664 changed = view.check_for_drawing_change() 
    33665 File
    33666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33667 packages/chimerax/core/graphics/view.py", line 252, in
    33668 check_for_drawing_change 
    33669 trig.activate_trigger('graphics update', self) 
    33670 File
    33671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33672 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33673 trigger.activate(data) 
    33674 File
    33675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33676 packages/chimerax/core/triggerset.py", line 190, in activate 
    33677 ret = handler.invoke(data, self._remove_bad_handlers) 
    33678 File
    33679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33680 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33681 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33682 File
    33683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33684 packages/chimerax/core/session.py", line 943, in <lambda> 
    33685 logger.report_exception(preface=preface)) 
    33686 File
    33687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33688 packages/chimerax/core/logger.py", line 421, in report_exception 
    33689 elif probably_chimera1_session(exc_info): 
    33690 File
    33691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33692 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33693 etype, evalue, etraceback = exc_info 
    33694 TypeError: cannot unpack non-iterable NoneType object 
    33695  
    33696 TypeError: cannot unpack non-iterable NoneType object 
    33697  
    33698 File
    33699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33700 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33701 etype, evalue, etraceback = exc_info 
    33702  
    33703 See log for complete Python traceback. 
    33704  
    33705 Traceback (most recent call last): 
    33706 File
    33707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33708 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33709 return self._func(self._name, data) 
    33710 File
    33711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33712 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33713 if v.display: 
    33714 File
    33715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33716 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33717 return self._any_displayed_positions and len(self._positions) > 0 
    33718 TypeError: object of type 'NoneType' has no len() 
    33719  
    33720 During handling of the above exception, another exception occurred: 
    33721  
    33722 Traceback (most recent call last): 
    33723 File
    33724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33725 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33726 if not self.draw_new_frame(): 
    33727 File
    33728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33729 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33730 changed = view.check_for_drawing_change() 
    33731 File
    33732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33733 packages/chimerax/core/graphics/view.py", line 252, in
    33734 check_for_drawing_change 
    33735 trig.activate_trigger('graphics update', self) 
    33736 File
    33737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33738 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33739 trigger.activate(data) 
    33740 File
    33741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33742 packages/chimerax/core/triggerset.py", line 190, in activate 
    33743 ret = handler.invoke(data, self._remove_bad_handlers) 
    33744 File
    33745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33746 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33747 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33748 File
    33749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33750 packages/chimerax/core/session.py", line 943, in <lambda> 
    33751 logger.report_exception(preface=preface)) 
    33752 File
    33753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33754 packages/chimerax/core/logger.py", line 421, in report_exception 
    33755 elif probably_chimera1_session(exc_info): 
    33756 File
    33757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33758 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33759 etype, evalue, etraceback = exc_info 
    33760 TypeError: cannot unpack non-iterable NoneType object 
    33761  
    33762 TypeError: cannot unpack non-iterable NoneType object 
    33763  
    33764 File
    33765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33766 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33767 etype, evalue, etraceback = exc_info 
    33768  
    33769 See log for complete Python traceback. 
    33770  
    33771 Traceback (most recent call last): 
    33772 File
    33773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33774 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33775 return self._func(self._name, data) 
    33776 File
    33777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33778 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33779 if v.display: 
    33780 File
    33781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33782 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33783 return self._any_displayed_positions and len(self._positions) > 0 
    33784 TypeError: object of type 'NoneType' has no len() 
    33785  
    33786 During handling of the above exception, another exception occurred: 
    33787  
    33788 Traceback (most recent call last): 
    33789 File
    33790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33791 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33792 if not self.draw_new_frame(): 
    33793 File
    33794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33795 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33796 changed = view.check_for_drawing_change() 
    33797 File
    33798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33799 packages/chimerax/core/graphics/view.py", line 252, in
    33800 check_for_drawing_change 
    33801 trig.activate_trigger('graphics update', self) 
    33802 File
    33803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33804 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33805 trigger.activate(data) 
    33806 File
    33807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33808 packages/chimerax/core/triggerset.py", line 190, in activate 
    33809 ret = handler.invoke(data, self._remove_bad_handlers) 
    33810 File
    33811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33812 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33813 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33814 File
    33815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33816 packages/chimerax/core/session.py", line 943, in <lambda> 
    33817 logger.report_exception(preface=preface)) 
    33818 File
    33819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33820 packages/chimerax/core/logger.py", line 421, in report_exception 
    33821 elif probably_chimera1_session(exc_info): 
    33822 File
    33823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33824 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33825 etype, evalue, etraceback = exc_info 
    33826 TypeError: cannot unpack non-iterable NoneType object 
    33827  
    33828 TypeError: cannot unpack non-iterable NoneType object 
    33829  
    33830 File
    33831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33832 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33833 etype, evalue, etraceback = exc_info 
    33834  
    33835 See log for complete Python traceback. 
    33836  
    33837 Traceback (most recent call last): 
    33838 File
    33839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33840 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33841 return self._func(self._name, data) 
    33842 File
    33843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33844 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33845 if v.display: 
    33846 File
    33847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33848 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33849 return self._any_displayed_positions and len(self._positions) > 0 
    33850 TypeError: object of type 'NoneType' has no len() 
    33851  
    33852 During handling of the above exception, another exception occurred: 
    33853  
    33854 Traceback (most recent call last): 
    33855 File
    33856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33857 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33858 if not self.draw_new_frame(): 
    33859 File
    33860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33861 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33862 changed = view.check_for_drawing_change() 
    33863 File
    33864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33865 packages/chimerax/core/graphics/view.py", line 252, in
    33866 check_for_drawing_change 
    33867 trig.activate_trigger('graphics update', self) 
    33868 File
    33869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33870 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33871 trigger.activate(data) 
    33872 File
    33873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33874 packages/chimerax/core/triggerset.py", line 190, in activate 
    33875 ret = handler.invoke(data, self._remove_bad_handlers) 
    33876 File
    33877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33878 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33879 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33880 File
    33881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33882 packages/chimerax/core/session.py", line 943, in <lambda> 
    33883 logger.report_exception(preface=preface)) 
    33884 File
    33885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33886 packages/chimerax/core/logger.py", line 421, in report_exception 
    33887 elif probably_chimera1_session(exc_info): 
    33888 File
    33889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33890 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33891 etype, evalue, etraceback = exc_info 
    33892 TypeError: cannot unpack non-iterable NoneType object 
    33893  
    33894 TypeError: cannot unpack non-iterable NoneType object 
    33895  
    33896 File
    33897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33898 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33899 etype, evalue, etraceback = exc_info 
    33900  
    33901 See log for complete Python traceback. 
    33902  
    33903 Traceback (most recent call last): 
    33904 File
    33905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33906 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33907 return self._func(self._name, data) 
    33908 File
    33909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33910 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33911 if v.display: 
    33912 File
    33913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33914 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33915 return self._any_displayed_positions and len(self._positions) > 0 
    33916 TypeError: object of type 'NoneType' has no len() 
    33917  
    33918 During handling of the above exception, another exception occurred: 
    33919  
    33920 Traceback (most recent call last): 
    33921 File
    33922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33923 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33924 if not self.draw_new_frame(): 
    33925 File
    33926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33927 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33928 changed = view.check_for_drawing_change() 
    33929 File
    33930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33931 packages/chimerax/core/graphics/view.py", line 252, in
    33932 check_for_drawing_change 
    33933 trig.activate_trigger('graphics update', self) 
    33934 File
    33935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33936 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    33937 trigger.activate(data) 
    33938 File
    33939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33940 packages/chimerax/core/triggerset.py", line 190, in activate 
    33941 ret = handler.invoke(data, self._remove_bad_handlers) 
    33942 File
    33943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33944 packages/chimerax/core/triggerset.py", line 132, in invoke 
    33945 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    33946 File
    33947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33948 packages/chimerax/core/session.py", line 943, in <lambda> 
    33949 logger.report_exception(preface=preface)) 
    33950 File
    33951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33952 packages/chimerax/core/logger.py", line 421, in report_exception 
    33953 elif probably_chimera1_session(exc_info): 
    33954 File
    33955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33956 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33957 etype, evalue, etraceback = exc_info 
    33958 TypeError: cannot unpack non-iterable NoneType object 
    33959  
    33960 TypeError: cannot unpack non-iterable NoneType object 
    33961  
    33962 File
    33963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33964 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    33965 etype, evalue, etraceback = exc_info 
    33966  
    33967 See log for complete Python traceback. 
    33968  
    33969 Traceback (most recent call last): 
    33970 File
    33971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33972 packages/chimerax/core/triggerset.py", line 130, in invoke 
    33973 return self._func(self._name, data) 
    33974 File
    33975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33976 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    33977 if v.display: 
    33978 File
    33979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33980 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    33981 return self._any_displayed_positions and len(self._positions) > 0 
    33982 TypeError: object of type 'NoneType' has no len() 
    33983  
    33984 During handling of the above exception, another exception occurred: 
    33985  
    33986 Traceback (most recent call last): 
    33987 File
    33988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33989 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    33990 if not self.draw_new_frame(): 
    33991 File
    33992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33993 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    33994 changed = view.check_for_drawing_change() 
    33995 File
    33996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    33997 packages/chimerax/core/graphics/view.py", line 252, in
    33998 check_for_drawing_change 
    33999 trig.activate_trigger('graphics update', self) 
    34000 File
    34001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34002 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34003 trigger.activate(data) 
    34004 File
    34005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34006 packages/chimerax/core/triggerset.py", line 190, in activate 
    34007 ret = handler.invoke(data, self._remove_bad_handlers) 
    34008 File
    34009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34010 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34011 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34012 File
    34013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34014 packages/chimerax/core/session.py", line 943, in <lambda> 
    34015 logger.report_exception(preface=preface)) 
    34016 File
    34017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34018 packages/chimerax/core/logger.py", line 421, in report_exception 
    34019 elif probably_chimera1_session(exc_info): 
    34020 File
    34021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34022 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34023 etype, evalue, etraceback = exc_info 
    34024 TypeError: cannot unpack non-iterable NoneType object 
    34025  
    34026 TypeError: cannot unpack non-iterable NoneType object 
    34027  
    34028 File
    34029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34030 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34031 etype, evalue, etraceback = exc_info 
    34032  
    34033 See log for complete Python traceback. 
    34034  
    34035 Traceback (most recent call last): 
    34036 File
    34037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34038 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34039 return self._func(self._name, data) 
    34040 File
    34041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34042 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34043 if v.display: 
    34044 File
    34045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34046 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34047 return self._any_displayed_positions and len(self._positions) > 0 
    34048 TypeError: object of type 'NoneType' has no len() 
    34049  
    34050 During handling of the above exception, another exception occurred: 
    34051  
    34052 Traceback (most recent call last): 
    34053 File
    34054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34055 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34056 if not self.draw_new_frame(): 
    34057 File
    34058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34059 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34060 changed = view.check_for_drawing_change() 
    34061 File
    34062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34063 packages/chimerax/core/graphics/view.py", line 252, in
    34064 check_for_drawing_change 
    34065 trig.activate_trigger('graphics update', self) 
    34066 File
    34067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34068 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34069 trigger.activate(data) 
    34070 File
    34071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34072 packages/chimerax/core/triggerset.py", line 190, in activate 
    34073 ret = handler.invoke(data, self._remove_bad_handlers) 
    34074 File
    34075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34076 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34077 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34078 File
    34079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34080 packages/chimerax/core/session.py", line 943, in <lambda> 
    34081 logger.report_exception(preface=preface)) 
    34082 File
    34083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34084 packages/chimerax/core/logger.py", line 421, in report_exception 
    34085 elif probably_chimera1_session(exc_info): 
    34086 File
    34087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34088 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34089 etype, evalue, etraceback = exc_info 
    34090 TypeError: cannot unpack non-iterable NoneType object 
    34091  
    34092 TypeError: cannot unpack non-iterable NoneType object 
    34093  
    34094 File
    34095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34096 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34097 etype, evalue, etraceback = exc_info 
    34098  
    34099 See log for complete Python traceback. 
    34100  
    34101 Traceback (most recent call last): 
    34102 File
    34103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34104 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34105 return self._func(self._name, data) 
    34106 File
    34107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34108 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34109 if v.display: 
    34110 File
    34111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34112 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34113 return self._any_displayed_positions and len(self._positions) > 0 
    34114 TypeError: object of type 'NoneType' has no len() 
    34115  
    34116 During handling of the above exception, another exception occurred: 
    34117  
    34118 Traceback (most recent call last): 
    34119 File
    34120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34121 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34122 if not self.draw_new_frame(): 
    34123 File
    34124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34125 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34126 changed = view.check_for_drawing_change() 
    34127 File
    34128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34129 packages/chimerax/core/graphics/view.py", line 252, in
    34130 check_for_drawing_change 
    34131 trig.activate_trigger('graphics update', self) 
    34132 File
    34133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34134 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34135 trigger.activate(data) 
    34136 File
    34137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34138 packages/chimerax/core/triggerset.py", line 190, in activate 
    34139 ret = handler.invoke(data, self._remove_bad_handlers) 
    34140 File
    34141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34142 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34143 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34144 File
    34145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34146 packages/chimerax/core/session.py", line 943, in <lambda> 
    34147 logger.report_exception(preface=preface)) 
    34148 File
    34149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34150 packages/chimerax/core/logger.py", line 421, in report_exception 
    34151 elif probably_chimera1_session(exc_info): 
    34152 File
    34153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34154 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34155 etype, evalue, etraceback = exc_info 
    34156 TypeError: cannot unpack non-iterable NoneType object 
    34157  
    34158 TypeError: cannot unpack non-iterable NoneType object 
    34159  
    34160 File
    34161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34162 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34163 etype, evalue, etraceback = exc_info 
    34164  
    34165 See log for complete Python traceback. 
    34166  
    34167 Traceback (most recent call last): 
    34168 File
    34169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34170 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34171 return self._func(self._name, data) 
    34172 File
    34173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34174 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34175 if v.display: 
    34176 File
    34177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34178 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34179 return self._any_displayed_positions and len(self._positions) > 0 
    34180 TypeError: object of type 'NoneType' has no len() 
    34181  
    34182 During handling of the above exception, another exception occurred: 
    34183  
    34184 Traceback (most recent call last): 
    34185 File
    34186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34187 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34188 if not self.draw_new_frame(): 
    34189 File
    34190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34191 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34192 changed = view.check_for_drawing_change() 
    34193 File
    34194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34195 packages/chimerax/core/graphics/view.py", line 252, in
    34196 check_for_drawing_change 
    34197 trig.activate_trigger('graphics update', self) 
    34198 File
    34199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34200 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34201 trigger.activate(data) 
    34202 File
    34203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34204 packages/chimerax/core/triggerset.py", line 190, in activate 
    34205 ret = handler.invoke(data, self._remove_bad_handlers) 
    34206 File
    34207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34208 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34209 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34210 File
    34211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34212 packages/chimerax/core/session.py", line 943, in <lambda> 
    34213 logger.report_exception(preface=preface)) 
    34214 File
    34215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34216 packages/chimerax/core/logger.py", line 421, in report_exception 
    34217 elif probably_chimera1_session(exc_info): 
    34218 File
    34219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34220 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34221 etype, evalue, etraceback = exc_info 
    34222 TypeError: cannot unpack non-iterable NoneType object 
    34223  
    34224 TypeError: cannot unpack non-iterable NoneType object 
    34225  
    34226 File
    34227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34228 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34229 etype, evalue, etraceback = exc_info 
    34230  
    34231 See log for complete Python traceback. 
    34232  
    34233 Traceback (most recent call last): 
    34234 File
    34235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34236 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34237 return self._func(self._name, data) 
    34238 File
    34239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34240 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34241 if v.display: 
    34242 File
    34243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34244 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34245 return self._any_displayed_positions and len(self._positions) > 0 
    34246 TypeError: object of type 'NoneType' has no len() 
    34247  
    34248 During handling of the above exception, another exception occurred: 
    34249  
    34250 Traceback (most recent call last): 
    34251 File
    34252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34253 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34254 if not self.draw_new_frame(): 
    34255 File
    34256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34257 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34258 changed = view.check_for_drawing_change() 
    34259 File
    34260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34261 packages/chimerax/core/graphics/view.py", line 252, in
    34262 check_for_drawing_change 
    34263 trig.activate_trigger('graphics update', self) 
    34264 File
    34265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34266 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34267 trigger.activate(data) 
    34268 File
    34269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34270 packages/chimerax/core/triggerset.py", line 190, in activate 
    34271 ret = handler.invoke(data, self._remove_bad_handlers) 
    34272 File
    34273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34274 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34275 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34276 File
    34277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34278 packages/chimerax/core/session.py", line 943, in <lambda> 
    34279 logger.report_exception(preface=preface)) 
    34280 File
    34281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34282 packages/chimerax/core/logger.py", line 421, in report_exception 
    34283 elif probably_chimera1_session(exc_info): 
    34284 File
    34285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34286 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34287 etype, evalue, etraceback = exc_info 
    34288 TypeError: cannot unpack non-iterable NoneType object 
    34289  
    34290 TypeError: cannot unpack non-iterable NoneType object 
    34291  
    34292 File
    34293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34294 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34295 etype, evalue, etraceback = exc_info 
    34296  
    34297 See log for complete Python traceback. 
    34298  
    34299 Traceback (most recent call last): 
    34300 File
    34301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34302 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34303 return self._func(self._name, data) 
    34304 File
    34305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34306 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34307 if v.display: 
    34308 File
    34309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34310 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34311 return self._any_displayed_positions and len(self._positions) > 0 
    34312 TypeError: object of type 'NoneType' has no len() 
    34313  
    34314 During handling of the above exception, another exception occurred: 
    34315  
    34316 Traceback (most recent call last): 
    34317 File
    34318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34319 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34320 if not self.draw_new_frame(): 
    34321 File
    34322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34323 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34324 changed = view.check_for_drawing_change() 
    34325 File
    34326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34327 packages/chimerax/core/graphics/view.py", line 252, in
    34328 check_for_drawing_change 
    34329 trig.activate_trigger('graphics update', self) 
    34330 File
    34331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34332 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34333 trigger.activate(data) 
    34334 File
    34335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34336 packages/chimerax/core/triggerset.py", line 190, in activate 
    34337 ret = handler.invoke(data, self._remove_bad_handlers) 
    34338 File
    34339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34340 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34341 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34342 File
    34343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34344 packages/chimerax/core/session.py", line 943, in <lambda> 
    34345 logger.report_exception(preface=preface)) 
    34346 File
    34347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34348 packages/chimerax/core/logger.py", line 421, in report_exception 
    34349 elif probably_chimera1_session(exc_info): 
    34350 File
    34351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34352 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34353 etype, evalue, etraceback = exc_info 
    34354 TypeError: cannot unpack non-iterable NoneType object 
    34355  
    34356 TypeError: cannot unpack non-iterable NoneType object 
    34357  
    34358 File
    34359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34360 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34361 etype, evalue, etraceback = exc_info 
    34362  
    34363 See log for complete Python traceback. 
    34364  
    34365 Traceback (most recent call last): 
    34366 File
    34367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34369 return self._func(self._name, data) 
    34370 File
    34371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34372 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34373 if v.display: 
    34374 File
    34375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34376 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34377 return self._any_displayed_positions and len(self._positions) > 0 
    34378 TypeError: object of type 'NoneType' has no len() 
    34379  
    34380 During handling of the above exception, another exception occurred: 
    34381  
    34382 Traceback (most recent call last): 
    34383 File
    34384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34385 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34386 if not self.draw_new_frame(): 
    34387 File
    34388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34389 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34390 changed = view.check_for_drawing_change() 
    34391 File
    34392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34393 packages/chimerax/core/graphics/view.py", line 252, in
    34394 check_for_drawing_change 
    34395 trig.activate_trigger('graphics update', self) 
    34396 File
    34397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34398 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34399 trigger.activate(data) 
    34400 File
    34401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34402 packages/chimerax/core/triggerset.py", line 190, in activate 
    34403 ret = handler.invoke(data, self._remove_bad_handlers) 
    34404 File
    34405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34406 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34407 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34408 File
    34409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34410 packages/chimerax/core/session.py", line 943, in <lambda> 
    34411 logger.report_exception(preface=preface)) 
    34412 File
    34413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34414 packages/chimerax/core/logger.py", line 421, in report_exception 
    34415 elif probably_chimera1_session(exc_info): 
    34416 File
    34417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34418 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34419 etype, evalue, etraceback = exc_info 
    34420 TypeError: cannot unpack non-iterable NoneType object 
    34421  
    34422 TypeError: cannot unpack non-iterable NoneType object 
    34423  
    34424 File
    34425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34426 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34427 etype, evalue, etraceback = exc_info 
    34428  
    34429 See log for complete Python traceback. 
    34430  
    34431 Traceback (most recent call last): 
    34432 File
    34433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34434 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34435 return self._func(self._name, data) 
    34436 File
    34437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34438 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34439 if v.display: 
    34440 File
    34441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34442 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34443 return self._any_displayed_positions and len(self._positions) > 0 
    34444 TypeError: object of type 'NoneType' has no len() 
    34445  
    34446 During handling of the above exception, another exception occurred: 
    34447  
    34448 Traceback (most recent call last): 
    34449 File
    34450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34451 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34452 if not self.draw_new_frame(): 
    34453 File
    34454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34455 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34456 changed = view.check_for_drawing_change() 
    34457 File
    34458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34459 packages/chimerax/core/graphics/view.py", line 252, in
    34460 check_for_drawing_change 
    34461 trig.activate_trigger('graphics update', self) 
    34462 File
    34463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34464 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34465 trigger.activate(data) 
    34466 File
    34467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34468 packages/chimerax/core/triggerset.py", line 190, in activate 
    34469 ret = handler.invoke(data, self._remove_bad_handlers) 
    34470 File
    34471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34472 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34473 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34474 File
    34475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34476 packages/chimerax/core/session.py", line 943, in <lambda> 
    34477 logger.report_exception(preface=preface)) 
    34478 File
    34479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34480 packages/chimerax/core/logger.py", line 421, in report_exception 
    34481 elif probably_chimera1_session(exc_info): 
    34482 File
    34483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34484 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34485 etype, evalue, etraceback = exc_info 
    34486 TypeError: cannot unpack non-iterable NoneType object 
    34487  
    34488 TypeError: cannot unpack non-iterable NoneType object 
    34489  
    34490 File
    34491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34492 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34493 etype, evalue, etraceback = exc_info 
    34494  
    34495 See log for complete Python traceback. 
    34496  
    34497 Traceback (most recent call last): 
    34498 File
    34499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34500 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34501 return self._func(self._name, data) 
    34502 File
    34503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34504 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34505 if v.display: 
    34506 File
    34507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34508 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34509 return self._any_displayed_positions and len(self._positions) > 0 
    34510 TypeError: object of type 'NoneType' has no len() 
    34511  
    34512 During handling of the above exception, another exception occurred: 
    34513  
    34514 Traceback (most recent call last): 
    34515 File
    34516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34517 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34518 if not self.draw_new_frame(): 
    34519 File
    34520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34521 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34522 changed = view.check_for_drawing_change() 
    34523 File
    34524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34525 packages/chimerax/core/graphics/view.py", line 252, in
    34526 check_for_drawing_change 
    34527 trig.activate_trigger('graphics update', self) 
    34528 File
    34529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34530 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34531 trigger.activate(data) 
    34532 File
    34533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34534 packages/chimerax/core/triggerset.py", line 190, in activate 
    34535 ret = handler.invoke(data, self._remove_bad_handlers) 
    34536 File
    34537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34538 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34539 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34540 File
    34541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34542 packages/chimerax/core/session.py", line 943, in <lambda> 
    34543 logger.report_exception(preface=preface)) 
    34544 File
    34545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34546 packages/chimerax/core/logger.py", line 421, in report_exception 
    34547 elif probably_chimera1_session(exc_info): 
    34548 File
    34549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34550 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34551 etype, evalue, etraceback = exc_info 
    34552 TypeError: cannot unpack non-iterable NoneType object 
    34553  
    34554 TypeError: cannot unpack non-iterable NoneType object 
    34555  
    34556 File
    34557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34558 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34559 etype, evalue, etraceback = exc_info 
    34560  
    34561 See log for complete Python traceback. 
    34562  
    34563 Traceback (most recent call last): 
    34564 File
    34565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34566 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34567 return self._func(self._name, data) 
    34568 File
    34569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34570 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34571 if v.display: 
    34572 File
    34573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34574 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34575 return self._any_displayed_positions and len(self._positions) > 0 
    34576 TypeError: object of type 'NoneType' has no len() 
    34577  
    34578 During handling of the above exception, another exception occurred: 
    34579  
    34580 Traceback (most recent call last): 
    34581 File
    34582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34583 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34584 if not self.draw_new_frame(): 
    34585 File
    34586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34587 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34588 changed = view.check_for_drawing_change() 
    34589 File
    34590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34591 packages/chimerax/core/graphics/view.py", line 252, in
    34592 check_for_drawing_change 
    34593 trig.activate_trigger('graphics update', self) 
    34594 File
    34595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34596 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34597 trigger.activate(data) 
    34598 File
    34599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34600 packages/chimerax/core/triggerset.py", line 190, in activate 
    34601 ret = handler.invoke(data, self._remove_bad_handlers) 
    34602 File
    34603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34604 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34605 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34606 File
    34607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34608 packages/chimerax/core/session.py", line 943, in <lambda> 
    34609 logger.report_exception(preface=preface)) 
    34610 File
    34611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34612 packages/chimerax/core/logger.py", line 421, in report_exception 
    34613 elif probably_chimera1_session(exc_info): 
    34614 File
    34615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34616 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34617 etype, evalue, etraceback = exc_info 
    34618 TypeError: cannot unpack non-iterable NoneType object 
    34619  
    34620 TypeError: cannot unpack non-iterable NoneType object 
    34621  
    34622 File
    34623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34624 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34625 etype, evalue, etraceback = exc_info 
    34626  
    34627 See log for complete Python traceback. 
    34628  
    34629 Traceback (most recent call last): 
    34630 File
    34631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34632 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34633 return self._func(self._name, data) 
    34634 File
    34635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34636 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34637 if v.display: 
    34638 File
    34639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34640 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34641 return self._any_displayed_positions and len(self._positions) > 0 
    34642 TypeError: object of type 'NoneType' has no len() 
    34643  
    34644 During handling of the above exception, another exception occurred: 
    34645  
    34646 Traceback (most recent call last): 
    34647 File
    34648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34649 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34650 if not self.draw_new_frame(): 
    34651 File
    34652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34653 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34654 changed = view.check_for_drawing_change() 
    34655 File
    34656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34657 packages/chimerax/core/graphics/view.py", line 252, in
    34658 check_for_drawing_change 
    34659 trig.activate_trigger('graphics update', self) 
    34660 File
    34661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34662 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34663 trigger.activate(data) 
    34664 File
    34665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34666 packages/chimerax/core/triggerset.py", line 190, in activate 
    34667 ret = handler.invoke(data, self._remove_bad_handlers) 
    34668 File
    34669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34670 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34671 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34672 File
    34673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34674 packages/chimerax/core/session.py", line 943, in <lambda> 
    34675 logger.report_exception(preface=preface)) 
    34676 File
    34677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34678 packages/chimerax/core/logger.py", line 421, in report_exception 
    34679 elif probably_chimera1_session(exc_info): 
    34680 File
    34681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34682 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34683 etype, evalue, etraceback = exc_info 
    34684 TypeError: cannot unpack non-iterable NoneType object 
    34685  
    34686 TypeError: cannot unpack non-iterable NoneType object 
    34687  
    34688 File
    34689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34690 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34691 etype, evalue, etraceback = exc_info 
    34692  
    34693 See log for complete Python traceback. 
    34694  
    34695 Traceback (most recent call last): 
    34696 File
    34697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34698 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34699 return self._func(self._name, data) 
    34700 File
    34701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34702 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34703 if v.display: 
    34704 File
    34705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34706 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34707 return self._any_displayed_positions and len(self._positions) > 0 
    34708 TypeError: object of type 'NoneType' has no len() 
    34709  
    34710 During handling of the above exception, another exception occurred: 
    34711  
    34712 Traceback (most recent call last): 
    34713 File
    34714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34715 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34716 if not self.draw_new_frame(): 
    34717 File
    34718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34719 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34720 changed = view.check_for_drawing_change() 
    34721 File
    34722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34723 packages/chimerax/core/graphics/view.py", line 252, in
    34724 check_for_drawing_change 
    34725 trig.activate_trigger('graphics update', self) 
    34726 File
    34727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34728 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34729 trigger.activate(data) 
    34730 File
    34731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34732 packages/chimerax/core/triggerset.py", line 190, in activate 
    34733 ret = handler.invoke(data, self._remove_bad_handlers) 
    34734 File
    34735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34736 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34737 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34738 File
    34739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34740 packages/chimerax/core/session.py", line 943, in <lambda> 
    34741 logger.report_exception(preface=preface)) 
    34742 File
    34743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34744 packages/chimerax/core/logger.py", line 421, in report_exception 
    34745 elif probably_chimera1_session(exc_info): 
    34746 File
    34747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34748 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34749 etype, evalue, etraceback = exc_info 
    34750 TypeError: cannot unpack non-iterable NoneType object 
    34751  
    34752 TypeError: cannot unpack non-iterable NoneType object 
    34753  
    34754 File
    34755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34756 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34757 etype, evalue, etraceback = exc_info 
    34758  
    34759 See log for complete Python traceback. 
    34760  
    34761 Traceback (most recent call last): 
    34762 File
    34763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34764 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34765 return self._func(self._name, data) 
    34766 File
    34767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34768 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34769 if v.display: 
    34770 File
    34771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34772 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34773 return self._any_displayed_positions and len(self._positions) > 0 
    34774 TypeError: object of type 'NoneType' has no len() 
    34775  
    34776 During handling of the above exception, another exception occurred: 
    34777  
    34778 Traceback (most recent call last): 
    34779 File
    34780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34781 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34782 if not self.draw_new_frame(): 
    34783 File
    34784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34785 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34786 changed = view.check_for_drawing_change() 
    34787 File
    34788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34789 packages/chimerax/core/graphics/view.py", line 252, in
    34790 check_for_drawing_change 
    34791 trig.activate_trigger('graphics update', self) 
    34792 File
    34793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34794 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34795 trigger.activate(data) 
    34796 File
    34797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34798 packages/chimerax/core/triggerset.py", line 190, in activate 
    34799 ret = handler.invoke(data, self._remove_bad_handlers) 
    34800 File
    34801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34802 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34803 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34804 File
    34805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34806 packages/chimerax/core/session.py", line 943, in <lambda> 
    34807 logger.report_exception(preface=preface)) 
    34808 File
    34809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34810 packages/chimerax/core/logger.py", line 421, in report_exception 
    34811 elif probably_chimera1_session(exc_info): 
    34812 File
    34813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34814 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34815 etype, evalue, etraceback = exc_info 
    34816 TypeError: cannot unpack non-iterable NoneType object 
    34817  
    34818 TypeError: cannot unpack non-iterable NoneType object 
    34819  
    34820 File
    34821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34822 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34823 etype, evalue, etraceback = exc_info 
    34824  
    34825 See log for complete Python traceback. 
    34826  
    34827 Traceback (most recent call last): 
    34828 File
    34829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34830 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34831 return self._func(self._name, data) 
    34832 File
    34833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34834 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34835 if v.display: 
    34836 File
    34837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34838 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34839 return self._any_displayed_positions and len(self._positions) > 0 
    34840 TypeError: object of type 'NoneType' has no len() 
    34841  
    34842 During handling of the above exception, another exception occurred: 
    34843  
    34844 Traceback (most recent call last): 
    34845 File
    34846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34847 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34848 if not self.draw_new_frame(): 
    34849 File
    34850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34851 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34852 changed = view.check_for_drawing_change() 
    34853 File
    34854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34855 packages/chimerax/core/graphics/view.py", line 252, in
    34856 check_for_drawing_change 
    34857 trig.activate_trigger('graphics update', self) 
    34858 File
    34859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34860 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34861 trigger.activate(data) 
    34862 File
    34863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34864 packages/chimerax/core/triggerset.py", line 190, in activate 
    34865 ret = handler.invoke(data, self._remove_bad_handlers) 
    34866 File
    34867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34868 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34869 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34870 File
    34871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34872 packages/chimerax/core/session.py", line 943, in <lambda> 
    34873 logger.report_exception(preface=preface)) 
    34874 File
    34875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34876 packages/chimerax/core/logger.py", line 421, in report_exception 
    34877 elif probably_chimera1_session(exc_info): 
    34878 File
    34879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34880 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34881 etype, evalue, etraceback = exc_info 
    34882 TypeError: cannot unpack non-iterable NoneType object 
    34883  
    34884 TypeError: cannot unpack non-iterable NoneType object 
    34885  
    34886 File
    34887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34888 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34889 etype, evalue, etraceback = exc_info 
    34890  
    34891 See log for complete Python traceback. 
    34892  
    34893 Traceback (most recent call last): 
    34894 File
    34895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34896 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34897 return self._func(self._name, data) 
    34898 File
    34899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34900 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34901 if v.display: 
    34902 File
    34903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34904 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34905 return self._any_displayed_positions and len(self._positions) > 0 
    34906 TypeError: object of type 'NoneType' has no len() 
    34907  
    34908 During handling of the above exception, another exception occurred: 
    34909  
    34910 Traceback (most recent call last): 
    34911 File
    34912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34913 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34914 if not self.draw_new_frame(): 
    34915 File
    34916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34917 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34918 changed = view.check_for_drawing_change() 
    34919 File
    34920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34921 packages/chimerax/core/graphics/view.py", line 252, in
    34922 check_for_drawing_change 
    34923 trig.activate_trigger('graphics update', self) 
    34924 File
    34925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34926 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34927 trigger.activate(data) 
    34928 File
    34929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34930 packages/chimerax/core/triggerset.py", line 190, in activate 
    34931 ret = handler.invoke(data, self._remove_bad_handlers) 
    34932 File
    34933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34934 packages/chimerax/core/triggerset.py", line 132, in invoke 
    34935 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    34936 File
    34937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34938 packages/chimerax/core/session.py", line 943, in <lambda> 
    34939 logger.report_exception(preface=preface)) 
    34940 File
    34941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34942 packages/chimerax/core/logger.py", line 421, in report_exception 
    34943 elif probably_chimera1_session(exc_info): 
    34944 File
    34945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34946 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34947 etype, evalue, etraceback = exc_info 
    34948 TypeError: cannot unpack non-iterable NoneType object 
    34949  
    34950 TypeError: cannot unpack non-iterable NoneType object 
    34951  
    34952 File
    34953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34954 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    34955 etype, evalue, etraceback = exc_info 
    34956  
    34957 See log for complete Python traceback. 
    34958  
    34959 Traceback (most recent call last): 
    34960 File
    34961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34962 packages/chimerax/core/triggerset.py", line 130, in invoke 
    34963 return self._func(self._name, data) 
    34964 File
    34965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34966 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    34967 if v.display: 
    34968 File
    34969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34970 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    34971 return self._any_displayed_positions and len(self._positions) > 0 
    34972 TypeError: object of type 'NoneType' has no len() 
    34973  
    34974 During handling of the above exception, another exception occurred: 
    34975  
    34976 Traceback (most recent call last): 
    34977 File
    34978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34979 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    34980 if not self.draw_new_frame(): 
    34981 File
    34982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34983 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    34984 changed = view.check_for_drawing_change() 
    34985 File
    34986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34987 packages/chimerax/core/graphics/view.py", line 252, in
    34988 check_for_drawing_change 
    34989 trig.activate_trigger('graphics update', self) 
    34990 File
    34991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34992 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    34993 trigger.activate(data) 
    34994 File
    34995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    34996 packages/chimerax/core/triggerset.py", line 190, in activate 
    34997 ret = handler.invoke(data, self._remove_bad_handlers) 
    34998 File
    34999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35000 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35001 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35002 File
    35003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35004 packages/chimerax/core/session.py", line 943, in <lambda> 
    35005 logger.report_exception(preface=preface)) 
    35006 File
    35007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35008 packages/chimerax/core/logger.py", line 421, in report_exception 
    35009 elif probably_chimera1_session(exc_info): 
    35010 File
    35011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35012 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35013 etype, evalue, etraceback = exc_info 
    35014 TypeError: cannot unpack non-iterable NoneType object 
    35015  
    35016 TypeError: cannot unpack non-iterable NoneType object 
    35017  
    35018 File
    35019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35020 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35021 etype, evalue, etraceback = exc_info 
    35022  
    35023 See log for complete Python traceback. 
    35024  
    35025 Traceback (most recent call last): 
    35026 File
    35027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35028 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35029 return self._func(self._name, data) 
    35030 File
    35031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35032 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35033 if v.display: 
    35034 File
    35035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35036 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35037 return self._any_displayed_positions and len(self._positions) > 0 
    35038 TypeError: object of type 'NoneType' has no len() 
    35039  
    35040 During handling of the above exception, another exception occurred: 
    35041  
    35042 Traceback (most recent call last): 
    35043 File
    35044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35045 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35046 if not self.draw_new_frame(): 
    35047 File
    35048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35049 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35050 changed = view.check_for_drawing_change() 
    35051 File
    35052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35053 packages/chimerax/core/graphics/view.py", line 252, in
    35054 check_for_drawing_change 
    35055 trig.activate_trigger('graphics update', self) 
    35056 File
    35057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35058 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35059 trigger.activate(data) 
    35060 File
    35061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35062 packages/chimerax/core/triggerset.py", line 190, in activate 
    35063 ret = handler.invoke(data, self._remove_bad_handlers) 
    35064 File
    35065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35066 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35067 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35068 File
    35069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35070 packages/chimerax/core/session.py", line 943, in <lambda> 
    35071 logger.report_exception(preface=preface)) 
    35072 File
    35073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35074 packages/chimerax/core/logger.py", line 421, in report_exception 
    35075 elif probably_chimera1_session(exc_info): 
    35076 File
    35077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35078 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35079 etype, evalue, etraceback = exc_info 
    35080 TypeError: cannot unpack non-iterable NoneType object 
    35081  
    35082 TypeError: cannot unpack non-iterable NoneType object 
    35083  
    35084 File
    35085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35086 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35087 etype, evalue, etraceback = exc_info 
    35088  
    35089 See log for complete Python traceback. 
    35090  
    35091 Traceback (most recent call last): 
    35092 File
    35093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35094 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35095 return self._func(self._name, data) 
    35096 File
    35097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35098 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35099 if v.display: 
    35100 File
    35101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35102 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35103 return self._any_displayed_positions and len(self._positions) > 0 
    35104 TypeError: object of type 'NoneType' has no len() 
    35105  
    35106 During handling of the above exception, another exception occurred: 
    35107  
    35108 Traceback (most recent call last): 
    35109 File
    35110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35111 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35112 if not self.draw_new_frame(): 
    35113 File
    35114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35115 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35116 changed = view.check_for_drawing_change() 
    35117 File
    35118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35119 packages/chimerax/core/graphics/view.py", line 252, in
    35120 check_for_drawing_change 
    35121 trig.activate_trigger('graphics update', self) 
    35122 File
    35123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35124 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35125 trigger.activate(data) 
    35126 File
    35127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35128 packages/chimerax/core/triggerset.py", line 190, in activate 
    35129 ret = handler.invoke(data, self._remove_bad_handlers) 
    35130 File
    35131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35132 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35133 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35134 File
    35135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35136 packages/chimerax/core/session.py", line 943, in <lambda> 
    35137 logger.report_exception(preface=preface)) 
    35138 File
    35139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35140 packages/chimerax/core/logger.py", line 421, in report_exception 
    35141 elif probably_chimera1_session(exc_info): 
    35142 File
    35143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35144 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35145 etype, evalue, etraceback = exc_info 
    35146 TypeError: cannot unpack non-iterable NoneType object 
    35147  
    35148 TypeError: cannot unpack non-iterable NoneType object 
    35149  
    35150 File
    35151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35152 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35153 etype, evalue, etraceback = exc_info 
    35154  
    35155 See log for complete Python traceback. 
    35156  
    35157 Traceback (most recent call last): 
    35158 File
    35159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35160 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35161 return self._func(self._name, data) 
    35162 File
    35163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35164 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35165 if v.display: 
    35166 File
    35167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35168 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35169 return self._any_displayed_positions and len(self._positions) > 0 
    35170 TypeError: object of type 'NoneType' has no len() 
    35171  
    35172 During handling of the above exception, another exception occurred: 
    35173  
    35174 Traceback (most recent call last): 
    35175 File
    35176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35177 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35178 if not self.draw_new_frame(): 
    35179 File
    35180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35181 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35182 changed = view.check_for_drawing_change() 
    35183 File
    35184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35185 packages/chimerax/core/graphics/view.py", line 252, in
    35186 check_for_drawing_change 
    35187 trig.activate_trigger('graphics update', self) 
    35188 File
    35189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35190 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35191 trigger.activate(data) 
    35192 File
    35193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35194 packages/chimerax/core/triggerset.py", line 190, in activate 
    35195 ret = handler.invoke(data, self._remove_bad_handlers) 
    35196 File
    35197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35198 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35199 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35200 File
    35201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35202 packages/chimerax/core/session.py", line 943, in <lambda> 
    35203 logger.report_exception(preface=preface)) 
    35204 File
    35205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35206 packages/chimerax/core/logger.py", line 421, in report_exception 
    35207 elif probably_chimera1_session(exc_info): 
    35208 File
    35209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35210 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35211 etype, evalue, etraceback = exc_info 
    35212 TypeError: cannot unpack non-iterable NoneType object 
    35213  
    35214 TypeError: cannot unpack non-iterable NoneType object 
    35215  
    35216 File
    35217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35218 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35219 etype, evalue, etraceback = exc_info 
    35220  
    35221 See log for complete Python traceback. 
    35222  
    35223 Traceback (most recent call last): 
    35224 File
    35225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35226 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35227 return self._func(self._name, data) 
    35228 File
    35229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35230 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35231 if v.display: 
    35232 File
    35233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35234 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35235 return self._any_displayed_positions and len(self._positions) > 0 
    35236 TypeError: object of type 'NoneType' has no len() 
    35237  
    35238 During handling of the above exception, another exception occurred: 
    35239  
    35240 Traceback (most recent call last): 
    35241 File
    35242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35243 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35244 if not self.draw_new_frame(): 
    35245 File
    35246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35247 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35248 changed = view.check_for_drawing_change() 
    35249 File
    35250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35251 packages/chimerax/core/graphics/view.py", line 252, in
    35252 check_for_drawing_change 
    35253 trig.activate_trigger('graphics update', self) 
    35254 File
    35255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35256 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35257 trigger.activate(data) 
    35258 File
    35259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35260 packages/chimerax/core/triggerset.py", line 190, in activate 
    35261 ret = handler.invoke(data, self._remove_bad_handlers) 
    35262 File
    35263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35264 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35265 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35266 File
    35267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35268 packages/chimerax/core/session.py", line 943, in <lambda> 
    35269 logger.report_exception(preface=preface)) 
    35270 File
    35271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35272 packages/chimerax/core/logger.py", line 421, in report_exception 
    35273 elif probably_chimera1_session(exc_info): 
    35274 File
    35275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35276 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35277 etype, evalue, etraceback = exc_info 
    35278 TypeError: cannot unpack non-iterable NoneType object 
    35279  
    35280 TypeError: cannot unpack non-iterable NoneType object 
    35281  
    35282 File
    35283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35284 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35285 etype, evalue, etraceback = exc_info 
    35286  
    35287 See log for complete Python traceback. 
    35288  
    35289 Traceback (most recent call last): 
    35290 File
    35291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35292 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35293 return self._func(self._name, data) 
    35294 File
    35295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35296 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35297 if v.display: 
    35298 File
    35299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35300 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35301 return self._any_displayed_positions and len(self._positions) > 0 
    35302 TypeError: object of type 'NoneType' has no len() 
    35303  
    35304 During handling of the above exception, another exception occurred: 
    35305  
    35306 Traceback (most recent call last): 
    35307 File
    35308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35309 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35310 if not self.draw_new_frame(): 
    35311 File
    35312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35313 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35314 changed = view.check_for_drawing_change() 
    35315 File
    35316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35317 packages/chimerax/core/graphics/view.py", line 252, in
    35318 check_for_drawing_change 
    35319 trig.activate_trigger('graphics update', self) 
    35320 File
    35321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35322 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35323 trigger.activate(data) 
    35324 File
    35325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35326 packages/chimerax/core/triggerset.py", line 190, in activate 
    35327 ret = handler.invoke(data, self._remove_bad_handlers) 
    35328 File
    35329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35330 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35331 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35332 File
    35333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35334 packages/chimerax/core/session.py", line 943, in <lambda> 
    35335 logger.report_exception(preface=preface)) 
    35336 File
    35337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35338 packages/chimerax/core/logger.py", line 421, in report_exception 
    35339 elif probably_chimera1_session(exc_info): 
    35340 File
    35341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35342 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35343 etype, evalue, etraceback = exc_info 
    35344 TypeError: cannot unpack non-iterable NoneType object 
    35345  
    35346 TypeError: cannot unpack non-iterable NoneType object 
    35347  
    35348 File
    35349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35350 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35351 etype, evalue, etraceback = exc_info 
    35352  
    35353 See log for complete Python traceback. 
    35354  
    35355 Traceback (most recent call last): 
    35356 File
    35357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35358 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35359 return self._func(self._name, data) 
    35360 File
    35361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35362 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35363 if v.display: 
    35364 File
    35365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35366 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35367 return self._any_displayed_positions and len(self._positions) > 0 
    35368 TypeError: object of type 'NoneType' has no len() 
    35369  
    35370 During handling of the above exception, another exception occurred: 
    35371  
    35372 Traceback (most recent call last): 
    35373 File
    35374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35375 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35376 if not self.draw_new_frame(): 
    35377 File
    35378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35379 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35380 changed = view.check_for_drawing_change() 
    35381 File
    35382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35383 packages/chimerax/core/graphics/view.py", line 252, in
    35384 check_for_drawing_change 
    35385 trig.activate_trigger('graphics update', self) 
    35386 File
    35387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35388 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35389 trigger.activate(data) 
    35390 File
    35391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35392 packages/chimerax/core/triggerset.py", line 190, in activate 
    35393 ret = handler.invoke(data, self._remove_bad_handlers) 
    35394 File
    35395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35396 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35397 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35398 File
    35399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35400 packages/chimerax/core/session.py", line 943, in <lambda> 
    35401 logger.report_exception(preface=preface)) 
    35402 File
    35403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35404 packages/chimerax/core/logger.py", line 421, in report_exception 
    35405 elif probably_chimera1_session(exc_info): 
    35406 File
    35407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35408 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35409 etype, evalue, etraceback = exc_info 
    35410 TypeError: cannot unpack non-iterable NoneType object 
    35411  
    35412 TypeError: cannot unpack non-iterable NoneType object 
    35413  
    35414 File
    35415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35416 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35417 etype, evalue, etraceback = exc_info 
    35418  
    35419 See log for complete Python traceback. 
    35420  
    35421 Traceback (most recent call last): 
    35422 File
    35423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35424 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35425 return self._func(self._name, data) 
    35426 File
    35427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35428 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35429 if v.display: 
    35430 File
    35431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35432 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35433 return self._any_displayed_positions and len(self._positions) > 0 
    35434 TypeError: object of type 'NoneType' has no len() 
    35435  
    35436 During handling of the above exception, another exception occurred: 
    35437  
    35438 Traceback (most recent call last): 
    35439 File
    35440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35441 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35442 if not self.draw_new_frame(): 
    35443 File
    35444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35445 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35446 changed = view.check_for_drawing_change() 
    35447 File
    35448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35449 packages/chimerax/core/graphics/view.py", line 252, in
    35450 check_for_drawing_change 
    35451 trig.activate_trigger('graphics update', self) 
    35452 File
    35453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35454 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35455 trigger.activate(data) 
    35456 File
    35457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35458 packages/chimerax/core/triggerset.py", line 190, in activate 
    35459 ret = handler.invoke(data, self._remove_bad_handlers) 
    35460 File
    35461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35462 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35463 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35464 File
    35465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35466 packages/chimerax/core/session.py", line 943, in <lambda> 
    35467 logger.report_exception(preface=preface)) 
    35468 File
    35469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35470 packages/chimerax/core/logger.py", line 421, in report_exception 
    35471 elif probably_chimera1_session(exc_info): 
    35472 File
    35473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35474 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35475 etype, evalue, etraceback = exc_info 
    35476 TypeError: cannot unpack non-iterable NoneType object 
    35477  
    35478 TypeError: cannot unpack non-iterable NoneType object 
    35479  
    35480 File
    35481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35482 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35483 etype, evalue, etraceback = exc_info 
    35484  
    35485 See log for complete Python traceback. 
    35486  
    35487 Traceback (most recent call last): 
    35488 File
    35489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35490 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35491 return self._func(self._name, data) 
    35492 File
    35493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35494 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35495 if v.display: 
    35496 File
    35497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35498 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35499 return self._any_displayed_positions and len(self._positions) > 0 
    35500 TypeError: object of type 'NoneType' has no len() 
    35501  
    35502 During handling of the above exception, another exception occurred: 
    35503  
    35504 Traceback (most recent call last): 
    35505 File
    35506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35507 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35508 if not self.draw_new_frame(): 
    35509 File
    35510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35511 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35512 changed = view.check_for_drawing_change() 
    35513 File
    35514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35515 packages/chimerax/core/graphics/view.py", line 252, in
    35516 check_for_drawing_change 
    35517 trig.activate_trigger('graphics update', self) 
    35518 File
    35519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35520 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35521 trigger.activate(data) 
    35522 File
    35523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35524 packages/chimerax/core/triggerset.py", line 190, in activate 
    35525 ret = handler.invoke(data, self._remove_bad_handlers) 
    35526 File
    35527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35528 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35529 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35530 File
    35531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35532 packages/chimerax/core/session.py", line 943, in <lambda> 
    35533 logger.report_exception(preface=preface)) 
    35534 File
    35535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35536 packages/chimerax/core/logger.py", line 421, in report_exception 
    35537 elif probably_chimera1_session(exc_info): 
    35538 File
    35539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35540 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35541 etype, evalue, etraceback = exc_info 
    35542 TypeError: cannot unpack non-iterable NoneType object 
    35543  
    35544 TypeError: cannot unpack non-iterable NoneType object 
    35545  
    35546 File
    35547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35548 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35549 etype, evalue, etraceback = exc_info 
    35550  
    35551 See log for complete Python traceback. 
    35552  
    35553 Traceback (most recent call last): 
    35554 File
    35555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35556 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35557 return self._func(self._name, data) 
    35558 File
    35559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35560 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35561 if v.display: 
    35562 File
    35563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35564 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35565 return self._any_displayed_positions and len(self._positions) > 0 
    35566 TypeError: object of type 'NoneType' has no len() 
    35567  
    35568 During handling of the above exception, another exception occurred: 
    35569  
    35570 Traceback (most recent call last): 
    35571 File
    35572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35573 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35574 if not self.draw_new_frame(): 
    35575 File
    35576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35577 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35578 changed = view.check_for_drawing_change() 
    35579 File
    35580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35581 packages/chimerax/core/graphics/view.py", line 252, in
    35582 check_for_drawing_change 
    35583 trig.activate_trigger('graphics update', self) 
    35584 File
    35585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35586 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35587 trigger.activate(data) 
    35588 File
    35589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35590 packages/chimerax/core/triggerset.py", line 190, in activate 
    35591 ret = handler.invoke(data, self._remove_bad_handlers) 
    35592 File
    35593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35594 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35595 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35596 File
    35597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35598 packages/chimerax/core/session.py", line 943, in <lambda> 
    35599 logger.report_exception(preface=preface)) 
    35600 File
    35601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35602 packages/chimerax/core/logger.py", line 421, in report_exception 
    35603 elif probably_chimera1_session(exc_info): 
    35604 File
    35605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35606 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35607 etype, evalue, etraceback = exc_info 
    35608 TypeError: cannot unpack non-iterable NoneType object 
    35609  
    35610 TypeError: cannot unpack non-iterable NoneType object 
    35611  
    35612 File
    35613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35614 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35615 etype, evalue, etraceback = exc_info 
    35616  
    35617 See log for complete Python traceback. 
    35618  
    35619 Traceback (most recent call last): 
    35620 File
    35621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35622 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35623 return self._func(self._name, data) 
    35624 File
    35625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35626 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35627 if v.display: 
    35628 File
    35629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35630 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35631 return self._any_displayed_positions and len(self._positions) > 0 
    35632 TypeError: object of type 'NoneType' has no len() 
    35633  
    35634 During handling of the above exception, another exception occurred: 
    35635  
    35636 Traceback (most recent call last): 
    35637 File
    35638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35639 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35640 if not self.draw_new_frame(): 
    35641 File
    35642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35643 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35644 changed = view.check_for_drawing_change() 
    35645 File
    35646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35647 packages/chimerax/core/graphics/view.py", line 252, in
    35648 check_for_drawing_change 
    35649 trig.activate_trigger('graphics update', self) 
    35650 File
    35651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35652 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35653 trigger.activate(data) 
    35654 File
    35655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35656 packages/chimerax/core/triggerset.py", line 190, in activate 
    35657 ret = handler.invoke(data, self._remove_bad_handlers) 
    35658 File
    35659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35660 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35661 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35662 File
    35663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35664 packages/chimerax/core/session.py", line 943, in <lambda> 
    35665 logger.report_exception(preface=preface)) 
    35666 File
    35667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35668 packages/chimerax/core/logger.py", line 421, in report_exception 
    35669 elif probably_chimera1_session(exc_info): 
    35670 File
    35671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35672 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35673 etype, evalue, etraceback = exc_info 
    35674 TypeError: cannot unpack non-iterable NoneType object 
    35675  
    35676 TypeError: cannot unpack non-iterable NoneType object 
    35677  
    35678 File
    35679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35680 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35681 etype, evalue, etraceback = exc_info 
    35682  
    35683 See log for complete Python traceback. 
    35684  
    35685 Traceback (most recent call last): 
    35686 File
    35687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35688 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35689 return self._func(self._name, data) 
    35690 File
    35691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35692 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35693 if v.display: 
    35694 File
    35695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35696 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35697 return self._any_displayed_positions and len(self._positions) > 0 
    35698 TypeError: object of type 'NoneType' has no len() 
    35699  
    35700 During handling of the above exception, another exception occurred: 
    35701  
    35702 Traceback (most recent call last): 
    35703 File
    35704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35705 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35706 if not self.draw_new_frame(): 
    35707 File
    35708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35709 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35710 changed = view.check_for_drawing_change() 
    35711 File
    35712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35713 packages/chimerax/core/graphics/view.py", line 252, in
    35714 check_for_drawing_change 
    35715 trig.activate_trigger('graphics update', self) 
    35716 File
    35717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35718 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35719 trigger.activate(data) 
    35720 File
    35721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35722 packages/chimerax/core/triggerset.py", line 190, in activate 
    35723 ret = handler.invoke(data, self._remove_bad_handlers) 
    35724 File
    35725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35726 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35727 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35728 File
    35729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35730 packages/chimerax/core/session.py", line 943, in <lambda> 
    35731 logger.report_exception(preface=preface)) 
    35732 File
    35733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35734 packages/chimerax/core/logger.py", line 421, in report_exception 
    35735 elif probably_chimera1_session(exc_info): 
    35736 File
    35737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35738 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35739 etype, evalue, etraceback = exc_info 
    35740 TypeError: cannot unpack non-iterable NoneType object 
    35741  
    35742 TypeError: cannot unpack non-iterable NoneType object 
    35743  
    35744 File
    35745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35746 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35747 etype, evalue, etraceback = exc_info 
    35748  
    35749 See log for complete Python traceback. 
    35750  
    35751 Traceback (most recent call last): 
    35752 File
    35753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35754 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35755 return self._func(self._name, data) 
    35756 File
    35757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35758 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35759 if v.display: 
    35760 File
    35761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35762 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35763 return self._any_displayed_positions and len(self._positions) > 0 
    35764 TypeError: object of type 'NoneType' has no len() 
    35765  
    35766 During handling of the above exception, another exception occurred: 
    35767  
    35768 Traceback (most recent call last): 
    35769 File
    35770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35771 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35772 if not self.draw_new_frame(): 
    35773 File
    35774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35775 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35776 changed = view.check_for_drawing_change() 
    35777 File
    35778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35779 packages/chimerax/core/graphics/view.py", line 252, in
    35780 check_for_drawing_change 
    35781 trig.activate_trigger('graphics update', self) 
    35782 File
    35783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35784 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35785 trigger.activate(data) 
    35786 File
    35787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35788 packages/chimerax/core/triggerset.py", line 190, in activate 
    35789 ret = handler.invoke(data, self._remove_bad_handlers) 
    35790 File
    35791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35792 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35793 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35794 File
    35795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35796 packages/chimerax/core/session.py", line 943, in <lambda> 
    35797 logger.report_exception(preface=preface)) 
    35798 File
    35799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35800 packages/chimerax/core/logger.py", line 421, in report_exception 
    35801 elif probably_chimera1_session(exc_info): 
    35802 File
    35803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35804 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35805 etype, evalue, etraceback = exc_info 
    35806 TypeError: cannot unpack non-iterable NoneType object 
    35807  
    35808 TypeError: cannot unpack non-iterable NoneType object 
    35809  
    35810 File
    35811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35812 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35813 etype, evalue, etraceback = exc_info 
    35814  
    35815 See log for complete Python traceback. 
    35816  
    35817 Traceback (most recent call last): 
    35818 File
    35819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35820 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35821 return self._func(self._name, data) 
    35822 File
    35823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35824 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35825 if v.display: 
    35826 File
    35827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35828 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35829 return self._any_displayed_positions and len(self._positions) > 0 
    35830 TypeError: object of type 'NoneType' has no len() 
    35831  
    35832 During handling of the above exception, another exception occurred: 
    35833  
    35834 Traceback (most recent call last): 
    35835 File
    35836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35837 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35838 if not self.draw_new_frame(): 
    35839 File
    35840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35841 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35842 changed = view.check_for_drawing_change() 
    35843 File
    35844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35845 packages/chimerax/core/graphics/view.py", line 252, in
    35846 check_for_drawing_change 
    35847 trig.activate_trigger('graphics update', self) 
    35848 File
    35849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35850 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35851 trigger.activate(data) 
    35852 File
    35853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35854 packages/chimerax/core/triggerset.py", line 190, in activate 
    35855 ret = handler.invoke(data, self._remove_bad_handlers) 
    35856 File
    35857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35858 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35859 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35860 File
    35861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35862 packages/chimerax/core/session.py", line 943, in <lambda> 
    35863 logger.report_exception(preface=preface)) 
    35864 File
    35865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35866 packages/chimerax/core/logger.py", line 421, in report_exception 
    35867 elif probably_chimera1_session(exc_info): 
    35868 File
    35869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35870 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35871 etype, evalue, etraceback = exc_info 
    35872 TypeError: cannot unpack non-iterable NoneType object 
    35873  
    35874 TypeError: cannot unpack non-iterable NoneType object 
    35875  
    35876 File
    35877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35878 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35879 etype, evalue, etraceback = exc_info 
    35880  
    35881 See log for complete Python traceback. 
    35882  
    35883 Traceback (most recent call last): 
    35884 File
    35885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35886 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35887 return self._func(self._name, data) 
    35888 File
    35889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35890 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35891 if v.display: 
    35892 File
    35893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35894 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35895 return self._any_displayed_positions and len(self._positions) > 0 
    35896 TypeError: object of type 'NoneType' has no len() 
    35897  
    35898 During handling of the above exception, another exception occurred: 
    35899  
    35900 Traceback (most recent call last): 
    35901 File
    35902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35903 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35904 if not self.draw_new_frame(): 
    35905 File
    35906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35907 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35908 changed = view.check_for_drawing_change() 
    35909 File
    35910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35911 packages/chimerax/core/graphics/view.py", line 252, in
    35912 check_for_drawing_change 
    35913 trig.activate_trigger('graphics update', self) 
    35914 File
    35915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35916 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35917 trigger.activate(data) 
    35918 File
    35919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35920 packages/chimerax/core/triggerset.py", line 190, in activate 
    35921 ret = handler.invoke(data, self._remove_bad_handlers) 
    35922 File
    35923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35924 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35925 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35926 File
    35927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35928 packages/chimerax/core/session.py", line 943, in <lambda> 
    35929 logger.report_exception(preface=preface)) 
    35930 File
    35931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35932 packages/chimerax/core/logger.py", line 421, in report_exception 
    35933 elif probably_chimera1_session(exc_info): 
    35934 File
    35935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35936 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35937 etype, evalue, etraceback = exc_info 
    35938 TypeError: cannot unpack non-iterable NoneType object 
    35939  
    35940 TypeError: cannot unpack non-iterable NoneType object 
    35941  
    35942 File
    35943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35944 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    35945 etype, evalue, etraceback = exc_info 
    35946  
    35947 See log for complete Python traceback. 
    35948  
    35949 Traceback (most recent call last): 
    35950 File
    35951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35952 packages/chimerax/core/triggerset.py", line 130, in invoke 
    35953 return self._func(self._name, data) 
    35954 File
    35955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35956 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    35957 if v.display: 
    35958 File
    35959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35960 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    35961 return self._any_displayed_positions and len(self._positions) > 0 
    35962 TypeError: object of type 'NoneType' has no len() 
    35963  
    35964 During handling of the above exception, another exception occurred: 
    35965  
    35966 Traceback (most recent call last): 
    35967 File
    35968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35969 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    35970 if not self.draw_new_frame(): 
    35971 File
    35972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35973 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    35974 changed = view.check_for_drawing_change() 
    35975 File
    35976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35977 packages/chimerax/core/graphics/view.py", line 252, in
    35978 check_for_drawing_change 
    35979 trig.activate_trigger('graphics update', self) 
    35980 File
    35981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35982 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    35983 trigger.activate(data) 
    35984 File
    35985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35986 packages/chimerax/core/triggerset.py", line 190, in activate 
    35987 ret = handler.invoke(data, self._remove_bad_handlers) 
    35988 File
    35989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35990 packages/chimerax/core/triggerset.py", line 132, in invoke 
    35991 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    35992 File
    35993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35994 packages/chimerax/core/session.py", line 943, in <lambda> 
    35995 logger.report_exception(preface=preface)) 
    35996 File
    35997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    35998 packages/chimerax/core/logger.py", line 421, in report_exception 
    35999 elif probably_chimera1_session(exc_info): 
    36000 File
    36001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36002 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36003 etype, evalue, etraceback = exc_info 
    36004 TypeError: cannot unpack non-iterable NoneType object 
    36005  
    36006 TypeError: cannot unpack non-iterable NoneType object 
    36007  
    36008 File
    36009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36010 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36011 etype, evalue, etraceback = exc_info 
    36012  
    36013 See log for complete Python traceback. 
    36014  
    36015 Traceback (most recent call last): 
    36016 File
    36017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36019 return self._func(self._name, data) 
    36020 File
    36021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36022 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36023 if v.display: 
    36024 File
    36025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36026 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36027 return self._any_displayed_positions and len(self._positions) > 0 
    36028 TypeError: object of type 'NoneType' has no len() 
    36029  
    36030 During handling of the above exception, another exception occurred: 
    36031  
    36032 Traceback (most recent call last): 
    36033 File
    36034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36035 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36036 if not self.draw_new_frame(): 
    36037 File
    36038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36039 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36040 changed = view.check_for_drawing_change() 
    36041 File
    36042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36043 packages/chimerax/core/graphics/view.py", line 252, in
    36044 check_for_drawing_change 
    36045 trig.activate_trigger('graphics update', self) 
    36046 File
    36047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36048 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36049 trigger.activate(data) 
    36050 File
    36051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36052 packages/chimerax/core/triggerset.py", line 190, in activate 
    36053 ret = handler.invoke(data, self._remove_bad_handlers) 
    36054 File
    36055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36056 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36057 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36058 File
    36059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36060 packages/chimerax/core/session.py", line 943, in <lambda> 
    36061 logger.report_exception(preface=preface)) 
    36062 File
    36063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36064 packages/chimerax/core/logger.py", line 421, in report_exception 
    36065 elif probably_chimera1_session(exc_info): 
    36066 File
    36067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36068 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36069 etype, evalue, etraceback = exc_info 
    36070 TypeError: cannot unpack non-iterable NoneType object 
    36071  
    36072 TypeError: cannot unpack non-iterable NoneType object 
    36073  
    36074 File
    36075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36076 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36077 etype, evalue, etraceback = exc_info 
    36078  
    36079 See log for complete Python traceback. 
    36080  
    36081 Traceback (most recent call last): 
    36082 File
    36083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36084 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36085 return self._func(self._name, data) 
    36086 File
    36087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36088 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36089 if v.display: 
    36090 File
    36091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36092 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36093 return self._any_displayed_positions and len(self._positions) > 0 
    36094 TypeError: object of type 'NoneType' has no len() 
    36095  
    36096 During handling of the above exception, another exception occurred: 
    36097  
    36098 Traceback (most recent call last): 
    36099 File
    36100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36101 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36102 if not self.draw_new_frame(): 
    36103 File
    36104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36105 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36106 changed = view.check_for_drawing_change() 
    36107 File
    36108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36109 packages/chimerax/core/graphics/view.py", line 252, in
    36110 check_for_drawing_change 
    36111 trig.activate_trigger('graphics update', self) 
    36112 File
    36113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36114 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36115 trigger.activate(data) 
    36116 File
    36117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36118 packages/chimerax/core/triggerset.py", line 190, in activate 
    36119 ret = handler.invoke(data, self._remove_bad_handlers) 
    36120 File
    36121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36122 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36123 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36124 File
    36125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36126 packages/chimerax/core/session.py", line 943, in <lambda> 
    36127 logger.report_exception(preface=preface)) 
    36128 File
    36129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36130 packages/chimerax/core/logger.py", line 421, in report_exception 
    36131 elif probably_chimera1_session(exc_info): 
    36132 File
    36133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36134 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36135 etype, evalue, etraceback = exc_info 
    36136 TypeError: cannot unpack non-iterable NoneType object 
    36137  
    36138 TypeError: cannot unpack non-iterable NoneType object 
    36139  
    36140 File
    36141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36142 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36143 etype, evalue, etraceback = exc_info 
    36144  
    36145 See log for complete Python traceback. 
    36146  
    36147 Traceback (most recent call last): 
    36148 File
    36149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36150 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36151 return self._func(self._name, data) 
    36152 File
    36153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36154 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36155 if v.display: 
    36156 File
    36157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36158 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36159 return self._any_displayed_positions and len(self._positions) > 0 
    36160 TypeError: object of type 'NoneType' has no len() 
    36161  
    36162 During handling of the above exception, another exception occurred: 
    36163  
    36164 Traceback (most recent call last): 
    36165 File
    36166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36167 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36168 if not self.draw_new_frame(): 
    36169 File
    36170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36171 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36172 changed = view.check_for_drawing_change() 
    36173 File
    36174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36175 packages/chimerax/core/graphics/view.py", line 252, in
    36176 check_for_drawing_change 
    36177 trig.activate_trigger('graphics update', self) 
    36178 File
    36179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36180 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36181 trigger.activate(data) 
    36182 File
    36183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36184 packages/chimerax/core/triggerset.py", line 190, in activate 
    36185 ret = handler.invoke(data, self._remove_bad_handlers) 
    36186 File
    36187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36188 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36189 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36190 File
    36191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36192 packages/chimerax/core/session.py", line 943, in <lambda> 
    36193 logger.report_exception(preface=preface)) 
    36194 File
    36195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36196 packages/chimerax/core/logger.py", line 421, in report_exception 
    36197 elif probably_chimera1_session(exc_info): 
    36198 File
    36199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36200 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36201 etype, evalue, etraceback = exc_info 
    36202 TypeError: cannot unpack non-iterable NoneType object 
    36203  
    36204 TypeError: cannot unpack non-iterable NoneType object 
    36205  
    36206 File
    36207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36208 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36209 etype, evalue, etraceback = exc_info 
    36210  
    36211 See log for complete Python traceback. 
    36212  
    36213 Traceback (most recent call last): 
    36214 File
    36215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36216 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36217 return self._func(self._name, data) 
    36218 File
    36219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36220 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36221 if v.display: 
    36222 File
    36223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36224 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36225 return self._any_displayed_positions and len(self._positions) > 0 
    36226 TypeError: object of type 'NoneType' has no len() 
    36227  
    36228 During handling of the above exception, another exception occurred: 
    36229  
    36230 Traceback (most recent call last): 
    36231 File
    36232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36233 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36234 if not self.draw_new_frame(): 
    36235 File
    36236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36237 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36238 changed = view.check_for_drawing_change() 
    36239 File
    36240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36241 packages/chimerax/core/graphics/view.py", line 252, in
    36242 check_for_drawing_change 
    36243 trig.activate_trigger('graphics update', self) 
    36244 File
    36245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36246 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36247 trigger.activate(data) 
    36248 File
    36249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36250 packages/chimerax/core/triggerset.py", line 190, in activate 
    36251 ret = handler.invoke(data, self._remove_bad_handlers) 
    36252 File
    36253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36254 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36255 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36256 File
    36257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36258 packages/chimerax/core/session.py", line 943, in <lambda> 
    36259 logger.report_exception(preface=preface)) 
    36260 File
    36261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36262 packages/chimerax/core/logger.py", line 421, in report_exception 
    36263 elif probably_chimera1_session(exc_info): 
    36264 File
    36265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36266 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36267 etype, evalue, etraceback = exc_info 
    36268 TypeError: cannot unpack non-iterable NoneType object 
    36269  
    36270 TypeError: cannot unpack non-iterable NoneType object 
    36271  
    36272 File
    36273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36274 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36275 etype, evalue, etraceback = exc_info 
    36276  
    36277 See log for complete Python traceback. 
    36278  
    36279 Traceback (most recent call last): 
    36280 File
    36281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36282 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36283 return self._func(self._name, data) 
    36284 File
    36285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36286 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36287 if v.display: 
    36288 File
    36289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36290 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36291 return self._any_displayed_positions and len(self._positions) > 0 
    36292 TypeError: object of type 'NoneType' has no len() 
    36293  
    36294 During handling of the above exception, another exception occurred: 
    36295  
    36296 Traceback (most recent call last): 
    36297 File
    36298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36299 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36300 if not self.draw_new_frame(): 
    36301 File
    36302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36303 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36304 changed = view.check_for_drawing_change() 
    36305 File
    36306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36307 packages/chimerax/core/graphics/view.py", line 252, in
    36308 check_for_drawing_change 
    36309 trig.activate_trigger('graphics update', self) 
    36310 File
    36311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36312 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36313 trigger.activate(data) 
    36314 File
    36315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36316 packages/chimerax/core/triggerset.py", line 190, in activate 
    36317 ret = handler.invoke(data, self._remove_bad_handlers) 
    36318 File
    36319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36320 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36321 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36322 File
    36323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36324 packages/chimerax/core/session.py", line 943, in <lambda> 
    36325 logger.report_exception(preface=preface)) 
    36326 File
    36327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36328 packages/chimerax/core/logger.py", line 421, in report_exception 
    36329 elif probably_chimera1_session(exc_info): 
    36330 File
    36331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36332 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36333 etype, evalue, etraceback = exc_info 
    36334 TypeError: cannot unpack non-iterable NoneType object 
    36335  
    36336 TypeError: cannot unpack non-iterable NoneType object 
    36337  
    36338 File
    36339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36340 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36341 etype, evalue, etraceback = exc_info 
    36342  
    36343 See log for complete Python traceback. 
    36344  
    36345 Traceback (most recent call last): 
    36346 File
    36347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36348 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36349 return self._func(self._name, data) 
    36350 File
    36351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36352 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36353 if v.display: 
    36354 File
    36355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36356 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36357 return self._any_displayed_positions and len(self._positions) > 0 
    36358 TypeError: object of type 'NoneType' has no len() 
    36359  
    36360 During handling of the above exception, another exception occurred: 
    36361  
    36362 Traceback (most recent call last): 
    36363 File
    36364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36365 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36366 if not self.draw_new_frame(): 
    36367 File
    36368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36369 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36370 changed = view.check_for_drawing_change() 
    36371 File
    36372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36373 packages/chimerax/core/graphics/view.py", line 252, in
    36374 check_for_drawing_change 
    36375 trig.activate_trigger('graphics update', self) 
    36376 File
    36377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36378 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36379 trigger.activate(data) 
    36380 File
    36381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36382 packages/chimerax/core/triggerset.py", line 190, in activate 
    36383 ret = handler.invoke(data, self._remove_bad_handlers) 
    36384 File
    36385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36386 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36387 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36388 File
    36389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36390 packages/chimerax/core/session.py", line 943, in <lambda> 
    36391 logger.report_exception(preface=preface)) 
    36392 File
    36393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36394 packages/chimerax/core/logger.py", line 421, in report_exception 
    36395 elif probably_chimera1_session(exc_info): 
    36396 File
    36397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36398 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36399 etype, evalue, etraceback = exc_info 
    36400 TypeError: cannot unpack non-iterable NoneType object 
    36401  
    36402 TypeError: cannot unpack non-iterable NoneType object 
    36403  
    36404 File
    36405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36406 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36407 etype, evalue, etraceback = exc_info 
    36408  
    36409 See log for complete Python traceback. 
    36410  
    36411 Traceback (most recent call last): 
    36412 File
    36413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36414 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36415 return self._func(self._name, data) 
    36416 File
    36417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36418 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36419 if v.display: 
    36420 File
    36421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36422 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36423 return self._any_displayed_positions and len(self._positions) > 0 
    36424 TypeError: object of type 'NoneType' has no len() 
    36425  
    36426 During handling of the above exception, another exception occurred: 
    36427  
    36428 Traceback (most recent call last): 
    36429 File
    36430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36431 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36432 if not self.draw_new_frame(): 
    36433 File
    36434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36435 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36436 changed = view.check_for_drawing_change() 
    36437 File
    36438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36439 packages/chimerax/core/graphics/view.py", line 252, in
    36440 check_for_drawing_change 
    36441 trig.activate_trigger('graphics update', self) 
    36442 File
    36443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36444 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36445 trigger.activate(data) 
    36446 File
    36447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36448 packages/chimerax/core/triggerset.py", line 190, in activate 
    36449 ret = handler.invoke(data, self._remove_bad_handlers) 
    36450 File
    36451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36452 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36453 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36454 File
    36455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36456 packages/chimerax/core/session.py", line 943, in <lambda> 
    36457 logger.report_exception(preface=preface)) 
    36458 File
    36459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36460 packages/chimerax/core/logger.py", line 421, in report_exception 
    36461 elif probably_chimera1_session(exc_info): 
    36462 File
    36463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36464 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36465 etype, evalue, etraceback = exc_info 
    36466 TypeError: cannot unpack non-iterable NoneType object 
    36467  
    36468 TypeError: cannot unpack non-iterable NoneType object 
    36469  
    36470 File
    36471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36472 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36473 etype, evalue, etraceback = exc_info 
    36474  
    36475 See log for complete Python traceback. 
    36476  
    36477 Traceback (most recent call last): 
    36478 File
    36479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36480 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36481 return self._func(self._name, data) 
    36482 File
    36483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36484 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36485 if v.display: 
    36486 File
    36487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36488 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36489 return self._any_displayed_positions and len(self._positions) > 0 
    36490 TypeError: object of type 'NoneType' has no len() 
    36491  
    36492 During handling of the above exception, another exception occurred: 
    36493  
    36494 Traceback (most recent call last): 
    36495 File
    36496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36497 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36498 if not self.draw_new_frame(): 
    36499 File
    36500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36501 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36502 changed = view.check_for_drawing_change() 
    36503 File
    36504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36505 packages/chimerax/core/graphics/view.py", line 252, in
    36506 check_for_drawing_change 
    36507 trig.activate_trigger('graphics update', self) 
    36508 File
    36509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36510 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36511 trigger.activate(data) 
    36512 File
    36513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36514 packages/chimerax/core/triggerset.py", line 190, in activate 
    36515 ret = handler.invoke(data, self._remove_bad_handlers) 
    36516 File
    36517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36518 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36519 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36520 File
    36521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36522 packages/chimerax/core/session.py", line 943, in <lambda> 
    36523 logger.report_exception(preface=preface)) 
    36524 File
    36525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36526 packages/chimerax/core/logger.py", line 421, in report_exception 
    36527 elif probably_chimera1_session(exc_info): 
    36528 File
    36529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36530 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36531 etype, evalue, etraceback = exc_info 
    36532 TypeError: cannot unpack non-iterable NoneType object 
    36533  
    36534 TypeError: cannot unpack non-iterable NoneType object 
    36535  
    36536 File
    36537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36538 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36539 etype, evalue, etraceback = exc_info 
    36540  
    36541 See log for complete Python traceback. 
    36542  
    36543 Traceback (most recent call last): 
    36544 File
    36545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36546 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36547 return self._func(self._name, data) 
    36548 File
    36549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36550 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36551 if v.display: 
    36552 File
    36553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36554 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36555 return self._any_displayed_positions and len(self._positions) > 0 
    36556 TypeError: object of type 'NoneType' has no len() 
    36557  
    36558 During handling of the above exception, another exception occurred: 
    36559  
    36560 Traceback (most recent call last): 
    36561 File
    36562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36563 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36564 if not self.draw_new_frame(): 
    36565 File
    36566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36567 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36568 changed = view.check_for_drawing_change() 
    36569 File
    36570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36571 packages/chimerax/core/graphics/view.py", line 252, in
    36572 check_for_drawing_change 
    36573 trig.activate_trigger('graphics update', self) 
    36574 File
    36575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36576 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36577 trigger.activate(data) 
    36578 File
    36579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36580 packages/chimerax/core/triggerset.py", line 190, in activate 
    36581 ret = handler.invoke(data, self._remove_bad_handlers) 
    36582 File
    36583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36584 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36585 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36586 File
    36587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36588 packages/chimerax/core/session.py", line 943, in <lambda> 
    36589 logger.report_exception(preface=preface)) 
    36590 File
    36591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36592 packages/chimerax/core/logger.py", line 421, in report_exception 
    36593 elif probably_chimera1_session(exc_info): 
    36594 File
    36595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36596 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36597 etype, evalue, etraceback = exc_info 
    36598 TypeError: cannot unpack non-iterable NoneType object 
    36599  
    36600 TypeError: cannot unpack non-iterable NoneType object 
    36601  
    36602 File
    36603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36604 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36605 etype, evalue, etraceback = exc_info 
    36606  
    36607 See log for complete Python traceback. 
    36608  
    36609 Traceback (most recent call last): 
    36610 File
    36611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36612 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36613 return self._func(self._name, data) 
    36614 File
    36615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36616 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36617 if v.display: 
    36618 File
    36619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36620 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36621 return self._any_displayed_positions and len(self._positions) > 0 
    36622 TypeError: object of type 'NoneType' has no len() 
    36623  
    36624 During handling of the above exception, another exception occurred: 
    36625  
    36626 Traceback (most recent call last): 
    36627 File
    36628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36629 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36630 if not self.draw_new_frame(): 
    36631 File
    36632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36633 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36634 changed = view.check_for_drawing_change() 
    36635 File
    36636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36637 packages/chimerax/core/graphics/view.py", line 252, in
    36638 check_for_drawing_change 
    36639 trig.activate_trigger('graphics update', self) 
    36640 File
    36641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36642 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36643 trigger.activate(data) 
    36644 File
    36645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36646 packages/chimerax/core/triggerset.py", line 190, in activate 
    36647 ret = handler.invoke(data, self._remove_bad_handlers) 
    36648 File
    36649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36650 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36651 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36652 File
    36653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36654 packages/chimerax/core/session.py", line 943, in <lambda> 
    36655 logger.report_exception(preface=preface)) 
    36656 File
    36657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36658 packages/chimerax/core/logger.py", line 421, in report_exception 
    36659 elif probably_chimera1_session(exc_info): 
    36660 File
    36661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36662 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36663 etype, evalue, etraceback = exc_info 
    36664 TypeError: cannot unpack non-iterable NoneType object 
    36665  
    36666 TypeError: cannot unpack non-iterable NoneType object 
    36667  
    36668 File
    36669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36670 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36671 etype, evalue, etraceback = exc_info 
    36672  
    36673 See log for complete Python traceback. 
    36674  
    36675 Traceback (most recent call last): 
    36676 File
    36677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36678 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36679 return self._func(self._name, data) 
    36680 File
    36681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36682 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36683 if v.display: 
    36684 File
    36685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36686 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36687 return self._any_displayed_positions and len(self._positions) > 0 
    36688 TypeError: object of type 'NoneType' has no len() 
    36689  
    36690 During handling of the above exception, another exception occurred: 
    36691  
    36692 Traceback (most recent call last): 
    36693 File
    36694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36695 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36696 if not self.draw_new_frame(): 
    36697 File
    36698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36699 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36700 changed = view.check_for_drawing_change() 
    36701 File
    36702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36703 packages/chimerax/core/graphics/view.py", line 252, in
    36704 check_for_drawing_change 
    36705 trig.activate_trigger('graphics update', self) 
    36706 File
    36707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36708 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36709 trigger.activate(data) 
    36710 File
    36711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36712 packages/chimerax/core/triggerset.py", line 190, in activate 
    36713 ret = handler.invoke(data, self._remove_bad_handlers) 
    36714 File
    36715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36716 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36717 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36718 File
    36719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36720 packages/chimerax/core/session.py", line 943, in <lambda> 
    36721 logger.report_exception(preface=preface)) 
    36722 File
    36723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36724 packages/chimerax/core/logger.py", line 421, in report_exception 
    36725 elif probably_chimera1_session(exc_info): 
    36726 File
    36727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36728 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36729 etype, evalue, etraceback = exc_info 
    36730 TypeError: cannot unpack non-iterable NoneType object 
    36731  
    36732 TypeError: cannot unpack non-iterable NoneType object 
    36733  
    36734 File
    36735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36736 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36737 etype, evalue, etraceback = exc_info 
    36738  
    36739 See log for complete Python traceback. 
    36740  
    36741 Traceback (most recent call last): 
    36742 File
    36743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36744 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36745 return self._func(self._name, data) 
    36746 File
    36747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36748 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36749 if v.display: 
    36750 File
    36751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36752 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36753 return self._any_displayed_positions and len(self._positions) > 0 
    36754 TypeError: object of type 'NoneType' has no len() 
    36755  
    36756 During handling of the above exception, another exception occurred: 
    36757  
    36758 Traceback (most recent call last): 
    36759 File
    36760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36761 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36762 if not self.draw_new_frame(): 
    36763 File
    36764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36765 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36766 changed = view.check_for_drawing_change() 
    36767 File
    36768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36769 packages/chimerax/core/graphics/view.py", line 252, in
    36770 check_for_drawing_change 
    36771 trig.activate_trigger('graphics update', self) 
    36772 File
    36773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36774 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36775 trigger.activate(data) 
    36776 File
    36777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36778 packages/chimerax/core/triggerset.py", line 190, in activate 
    36779 ret = handler.invoke(data, self._remove_bad_handlers) 
    36780 File
    36781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36782 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36783 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36784 File
    36785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36786 packages/chimerax/core/session.py", line 943, in <lambda> 
    36787 logger.report_exception(preface=preface)) 
    36788 File
    36789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36790 packages/chimerax/core/logger.py", line 421, in report_exception 
    36791 elif probably_chimera1_session(exc_info): 
    36792 File
    36793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36794 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36795 etype, evalue, etraceback = exc_info 
    36796 TypeError: cannot unpack non-iterable NoneType object 
    36797  
    36798 TypeError: cannot unpack non-iterable NoneType object 
    36799  
    36800 File
    36801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36802 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36803 etype, evalue, etraceback = exc_info 
    36804  
    36805 See log for complete Python traceback. 
    36806  
    36807 Traceback (most recent call last): 
    36808 File
    36809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36810 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36811 return self._func(self._name, data) 
    36812 File
    36813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36814 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36815 if v.display: 
    36816 File
    36817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36818 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36819 return self._any_displayed_positions and len(self._positions) > 0 
    36820 TypeError: object of type 'NoneType' has no len() 
    36821  
    36822 During handling of the above exception, another exception occurred: 
    36823  
    36824 Traceback (most recent call last): 
    36825 File
    36826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36827 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36828 if not self.draw_new_frame(): 
    36829 File
    36830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36831 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36832 changed = view.check_for_drawing_change() 
    36833 File
    36834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36835 packages/chimerax/core/graphics/view.py", line 252, in
    36836 check_for_drawing_change 
    36837 trig.activate_trigger('graphics update', self) 
    36838 File
    36839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36840 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36841 trigger.activate(data) 
    36842 File
    36843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36844 packages/chimerax/core/triggerset.py", line 190, in activate 
    36845 ret = handler.invoke(data, self._remove_bad_handlers) 
    36846 File
    36847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36848 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36849 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36850 File
    36851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36852 packages/chimerax/core/session.py", line 943, in <lambda> 
    36853 logger.report_exception(preface=preface)) 
    36854 File
    36855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36856 packages/chimerax/core/logger.py", line 421, in report_exception 
    36857 elif probably_chimera1_session(exc_info): 
    36858 File
    36859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36860 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36861 etype, evalue, etraceback = exc_info 
    36862 TypeError: cannot unpack non-iterable NoneType object 
    36863  
    36864 TypeError: cannot unpack non-iterable NoneType object 
    36865  
    36866 File
    36867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36868 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36869 etype, evalue, etraceback = exc_info 
    36870  
    36871 See log for complete Python traceback. 
    36872  
    36873 Traceback (most recent call last): 
    36874 File
    36875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36876 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36877 return self._func(self._name, data) 
    36878 File
    36879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36880 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36881 if v.display: 
    36882 File
    36883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36884 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36885 return self._any_displayed_positions and len(self._positions) > 0 
    36886 TypeError: object of type 'NoneType' has no len() 
    36887  
    36888 During handling of the above exception, another exception occurred: 
    36889  
    36890 Traceback (most recent call last): 
    36891 File
    36892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36893 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36894 if not self.draw_new_frame(): 
    36895 File
    36896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36897 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36898 changed = view.check_for_drawing_change() 
    36899 File
    36900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36901 packages/chimerax/core/graphics/view.py", line 252, in
    36902 check_for_drawing_change 
    36903 trig.activate_trigger('graphics update', self) 
    36904 File
    36905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36906 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36907 trigger.activate(data) 
    36908 File
    36909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36910 packages/chimerax/core/triggerset.py", line 190, in activate 
    36911 ret = handler.invoke(data, self._remove_bad_handlers) 
    36912 File
    36913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36914 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36915 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36916 File
    36917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36918 packages/chimerax/core/session.py", line 943, in <lambda> 
    36919 logger.report_exception(preface=preface)) 
    36920 File
    36921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36922 packages/chimerax/core/logger.py", line 421, in report_exception 
    36923 elif probably_chimera1_session(exc_info): 
    36924 File
    36925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36926 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36927 etype, evalue, etraceback = exc_info 
    36928 TypeError: cannot unpack non-iterable NoneType object 
    36929  
    36930 TypeError: cannot unpack non-iterable NoneType object 
    36931  
    36932 File
    36933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36934 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36935 etype, evalue, etraceback = exc_info 
    36936  
    36937 See log for complete Python traceback. 
    36938  
    36939 Traceback (most recent call last): 
    36940 File
    36941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36942 packages/chimerax/core/triggerset.py", line 130, in invoke 
    36943 return self._func(self._name, data) 
    36944 File
    36945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36946 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    36947 if v.display: 
    36948 File
    36949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36950 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    36951 return self._any_displayed_positions and len(self._positions) > 0 
    36952 TypeError: object of type 'NoneType' has no len() 
    36953  
    36954 During handling of the above exception, another exception occurred: 
    36955  
    36956 Traceback (most recent call last): 
    36957 File
    36958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36959 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    36960 if not self.draw_new_frame(): 
    36961 File
    36962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36963 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    36964 changed = view.check_for_drawing_change() 
    36965 File
    36966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36967 packages/chimerax/core/graphics/view.py", line 252, in
    36968 check_for_drawing_change 
    36969 trig.activate_trigger('graphics update', self) 
    36970 File
    36971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36972 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    36973 trigger.activate(data) 
    36974 File
    36975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36976 packages/chimerax/core/triggerset.py", line 190, in activate 
    36977 ret = handler.invoke(data, self._remove_bad_handlers) 
    36978 File
    36979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36980 packages/chimerax/core/triggerset.py", line 132, in invoke 
    36981 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    36982 File
    36983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36984 packages/chimerax/core/session.py", line 943, in <lambda> 
    36985 logger.report_exception(preface=preface)) 
    36986 File
    36987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36988 packages/chimerax/core/logger.py", line 421, in report_exception 
    36989 elif probably_chimera1_session(exc_info): 
    36990 File
    36991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    36992 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    36993 etype, evalue, etraceback = exc_info 
    36994 TypeError: cannot unpack non-iterable NoneType object 
    36995  
    36996 TypeError: cannot unpack non-iterable NoneType object 
    36997  
    36998 File
    36999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37000 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37001 etype, evalue, etraceback = exc_info 
    37002  
    37003 See log for complete Python traceback. 
    37004  
    37005 Traceback (most recent call last): 
    37006 File
    37007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37008 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37009 return self._func(self._name, data) 
    37010 File
    37011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37012 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37013 if v.display: 
    37014 File
    37015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37016 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37017 return self._any_displayed_positions and len(self._positions) > 0 
    37018 TypeError: object of type 'NoneType' has no len() 
    37019  
    37020 During handling of the above exception, another exception occurred: 
    37021  
    37022 Traceback (most recent call last): 
    37023 File
    37024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37025 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37026 if not self.draw_new_frame(): 
    37027 File
    37028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37029 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37030 changed = view.check_for_drawing_change() 
    37031 File
    37032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37033 packages/chimerax/core/graphics/view.py", line 252, in
    37034 check_for_drawing_change 
    37035 trig.activate_trigger('graphics update', self) 
    37036 File
    37037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37038 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37039 trigger.activate(data) 
    37040 File
    37041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37042 packages/chimerax/core/triggerset.py", line 190, in activate 
    37043 ret = handler.invoke(data, self._remove_bad_handlers) 
    37044 File
    37045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37046 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37047 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37048 File
    37049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37050 packages/chimerax/core/session.py", line 943, in <lambda> 
    37051 logger.report_exception(preface=preface)) 
    37052 File
    37053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37054 packages/chimerax/core/logger.py", line 421, in report_exception 
    37055 elif probably_chimera1_session(exc_info): 
    37056 File
    37057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37058 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37059 etype, evalue, etraceback = exc_info 
    37060 TypeError: cannot unpack non-iterable NoneType object 
    37061  
    37062 TypeError: cannot unpack non-iterable NoneType object 
    37063  
    37064 File
    37065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37066 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37067 etype, evalue, etraceback = exc_info 
    37068  
    37069 See log for complete Python traceback. 
    37070  
    37071 Traceback (most recent call last): 
    37072 File
    37073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37074 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37075 return self._func(self._name, data) 
    37076 File
    37077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37078 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37079 if v.display: 
    37080 File
    37081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37082 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37083 return self._any_displayed_positions and len(self._positions) > 0 
    37084 TypeError: object of type 'NoneType' has no len() 
    37085  
    37086 During handling of the above exception, another exception occurred: 
    37087  
    37088 Traceback (most recent call last): 
    37089 File
    37090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37091 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37092 if not self.draw_new_frame(): 
    37093 File
    37094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37095 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37096 changed = view.check_for_drawing_change() 
    37097 File
    37098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37099 packages/chimerax/core/graphics/view.py", line 252, in
    37100 check_for_drawing_change 
    37101 trig.activate_trigger('graphics update', self) 
    37102 File
    37103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37104 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37105 trigger.activate(data) 
    37106 File
    37107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37108 packages/chimerax/core/triggerset.py", line 190, in activate 
    37109 ret = handler.invoke(data, self._remove_bad_handlers) 
    37110 File
    37111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37112 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37113 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37114 File
    37115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37116 packages/chimerax/core/session.py", line 943, in <lambda> 
    37117 logger.report_exception(preface=preface)) 
    37118 File
    37119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37120 packages/chimerax/core/logger.py", line 421, in report_exception 
    37121 elif probably_chimera1_session(exc_info): 
    37122 File
    37123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37124 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37125 etype, evalue, etraceback = exc_info 
    37126 TypeError: cannot unpack non-iterable NoneType object 
    37127  
    37128 TypeError: cannot unpack non-iterable NoneType object 
    37129  
    37130 File
    37131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37132 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37133 etype, evalue, etraceback = exc_info 
    37134  
    37135 See log for complete Python traceback. 
    37136  
    37137 Traceback (most recent call last): 
    37138 File
    37139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37140 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37141 return self._func(self._name, data) 
    37142 File
    37143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37144 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37145 if v.display: 
    37146 File
    37147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37148 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37149 return self._any_displayed_positions and len(self._positions) > 0 
    37150 TypeError: object of type 'NoneType' has no len() 
    37151  
    37152 During handling of the above exception, another exception occurred: 
    37153  
    37154 Traceback (most recent call last): 
    37155 File
    37156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37157 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37158 if not self.draw_new_frame(): 
    37159 File
    37160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37161 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37162 changed = view.check_for_drawing_change() 
    37163 File
    37164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37165 packages/chimerax/core/graphics/view.py", line 252, in
    37166 check_for_drawing_change 
    37167 trig.activate_trigger('graphics update', self) 
    37168 File
    37169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37170 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37171 trigger.activate(data) 
    37172 File
    37173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37174 packages/chimerax/core/triggerset.py", line 190, in activate 
    37175 ret = handler.invoke(data, self._remove_bad_handlers) 
    37176 File
    37177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37178 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37179 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37180 File
    37181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37182 packages/chimerax/core/session.py", line 943, in <lambda> 
    37183 logger.report_exception(preface=preface)) 
    37184 File
    37185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37186 packages/chimerax/core/logger.py", line 421, in report_exception 
    37187 elif probably_chimera1_session(exc_info): 
    37188 File
    37189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37190 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37191 etype, evalue, etraceback = exc_info 
    37192 TypeError: cannot unpack non-iterable NoneType object 
    37193  
    37194 TypeError: cannot unpack non-iterable NoneType object 
    37195  
    37196 File
    37197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37198 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37199 etype, evalue, etraceback = exc_info 
    37200  
    37201 See log for complete Python traceback. 
    37202  
    37203 Traceback (most recent call last): 
    37204 File
    37205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37206 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37207 return self._func(self._name, data) 
    37208 File
    37209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37210 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37211 if v.display: 
    37212 File
    37213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37214 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37215 return self._any_displayed_positions and len(self._positions) > 0 
    37216 TypeError: object of type 'NoneType' has no len() 
    37217  
    37218 During handling of the above exception, another exception occurred: 
    37219  
    37220 Traceback (most recent call last): 
    37221 File
    37222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37223 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37224 if not self.draw_new_frame(): 
    37225 File
    37226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37227 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37228 changed = view.check_for_drawing_change() 
    37229 File
    37230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37231 packages/chimerax/core/graphics/view.py", line 252, in
    37232 check_for_drawing_change 
    37233 trig.activate_trigger('graphics update', self) 
    37234 File
    37235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37236 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37237 trigger.activate(data) 
    37238 File
    37239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37240 packages/chimerax/core/triggerset.py", line 190, in activate 
    37241 ret = handler.invoke(data, self._remove_bad_handlers) 
    37242 File
    37243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37244 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37245 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37246 File
    37247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37248 packages/chimerax/core/session.py", line 943, in <lambda> 
    37249 logger.report_exception(preface=preface)) 
    37250 File
    37251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37252 packages/chimerax/core/logger.py", line 421, in report_exception 
    37253 elif probably_chimera1_session(exc_info): 
    37254 File
    37255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37256 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37257 etype, evalue, etraceback = exc_info 
    37258 TypeError: cannot unpack non-iterable NoneType object 
    37259  
    37260 TypeError: cannot unpack non-iterable NoneType object 
    37261  
    37262 File
    37263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37264 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37265 etype, evalue, etraceback = exc_info 
    37266  
    37267 See log for complete Python traceback. 
    37268  
    37269 Traceback (most recent call last): 
    37270 File
    37271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37272 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37273 return self._func(self._name, data) 
    37274 File
    37275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37276 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37277 if v.display: 
    37278 File
    37279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37280 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37281 return self._any_displayed_positions and len(self._positions) > 0 
    37282 TypeError: object of type 'NoneType' has no len() 
    37283  
    37284 During handling of the above exception, another exception occurred: 
    37285  
    37286 Traceback (most recent call last): 
    37287 File
    37288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37289 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37290 if not self.draw_new_frame(): 
    37291 File
    37292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37293 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37294 changed = view.check_for_drawing_change() 
    37295 File
    37296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37297 packages/chimerax/core/graphics/view.py", line 252, in
    37298 check_for_drawing_change 
    37299 trig.activate_trigger('graphics update', self) 
    37300 File
    37301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37302 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37303 trigger.activate(data) 
    37304 File
    37305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37306 packages/chimerax/core/triggerset.py", line 190, in activate 
    37307 ret = handler.invoke(data, self._remove_bad_handlers) 
    37308 File
    37309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37310 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37311 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37312 File
    37313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37314 packages/chimerax/core/session.py", line 943, in <lambda> 
    37315 logger.report_exception(preface=preface)) 
    37316 File
    37317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37318 packages/chimerax/core/logger.py", line 421, in report_exception 
    37319 elif probably_chimera1_session(exc_info): 
    37320 File
    37321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37322 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37323 etype, evalue, etraceback = exc_info 
    37324 TypeError: cannot unpack non-iterable NoneType object 
    37325  
    37326 TypeError: cannot unpack non-iterable NoneType object 
    37327  
    37328 File
    37329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37330 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37331 etype, evalue, etraceback = exc_info 
    37332  
    37333 See log for complete Python traceback. 
    37334  
    37335 Traceback (most recent call last): 
    37336 File
    37337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37338 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37339 return self._func(self._name, data) 
    37340 File
    37341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37342 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37343 if v.display: 
    37344 File
    37345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37346 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37347 return self._any_displayed_positions and len(self._positions) > 0 
    37348 TypeError: object of type 'NoneType' has no len() 
    37349  
    37350 During handling of the above exception, another exception occurred: 
    37351  
    37352 Traceback (most recent call last): 
    37353 File
    37354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37355 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37356 if not self.draw_new_frame(): 
    37357 File
    37358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37359 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37360 changed = view.check_for_drawing_change() 
    37361 File
    37362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37363 packages/chimerax/core/graphics/view.py", line 252, in
    37364 check_for_drawing_change 
    37365 trig.activate_trigger('graphics update', self) 
    37366 File
    37367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37368 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37369 trigger.activate(data) 
    37370 File
    37371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37372 packages/chimerax/core/triggerset.py", line 190, in activate 
    37373 ret = handler.invoke(data, self._remove_bad_handlers) 
    37374 File
    37375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37376 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37377 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37378 File
    37379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37380 packages/chimerax/core/session.py", line 943, in <lambda> 
    37381 logger.report_exception(preface=preface)) 
    37382 File
    37383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37384 packages/chimerax/core/logger.py", line 421, in report_exception 
    37385 elif probably_chimera1_session(exc_info): 
    37386 File
    37387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37388 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37389 etype, evalue, etraceback = exc_info 
    37390 TypeError: cannot unpack non-iterable NoneType object 
    37391  
    37392 TypeError: cannot unpack non-iterable NoneType object 
    37393  
    37394 File
    37395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37396 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37397 etype, evalue, etraceback = exc_info 
    37398  
    37399 See log for complete Python traceback. 
    37400  
    37401 Traceback (most recent call last): 
    37402 File
    37403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37404 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37405 return self._func(self._name, data) 
    37406 File
    37407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37408 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37409 if v.display: 
    37410 File
    37411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37412 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37413 return self._any_displayed_positions and len(self._positions) > 0 
    37414 TypeError: object of type 'NoneType' has no len() 
    37415  
    37416 During handling of the above exception, another exception occurred: 
    37417  
    37418 Traceback (most recent call last): 
    37419 File
    37420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37421 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37422 if not self.draw_new_frame(): 
    37423 File
    37424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37425 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37426 changed = view.check_for_drawing_change() 
    37427 File
    37428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37429 packages/chimerax/core/graphics/view.py", line 252, in
    37430 check_for_drawing_change 
    37431 trig.activate_trigger('graphics update', self) 
    37432 File
    37433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37434 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37435 trigger.activate(data) 
    37436 File
    37437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37438 packages/chimerax/core/triggerset.py", line 190, in activate 
    37439 ret = handler.invoke(data, self._remove_bad_handlers) 
    37440 File
    37441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37442 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37443 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37444 File
    37445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37446 packages/chimerax/core/session.py", line 943, in <lambda> 
    37447 logger.report_exception(preface=preface)) 
    37448 File
    37449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37450 packages/chimerax/core/logger.py", line 421, in report_exception 
    37451 elif probably_chimera1_session(exc_info): 
    37452 File
    37453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37454 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37455 etype, evalue, etraceback = exc_info 
    37456 TypeError: cannot unpack non-iterable NoneType object 
    37457  
    37458 TypeError: cannot unpack non-iterable NoneType object 
    37459  
    37460 File
    37461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37462 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37463 etype, evalue, etraceback = exc_info 
    37464  
    37465 See log for complete Python traceback. 
    37466  
    37467 Traceback (most recent call last): 
    37468 File
    37469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37470 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37471 return self._func(self._name, data) 
    37472 File
    37473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37474 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37475 if v.display: 
    37476 File
    37477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37478 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37479 return self._any_displayed_positions and len(self._positions) > 0 
    37480 TypeError: object of type 'NoneType' has no len() 
    37481  
    37482 During handling of the above exception, another exception occurred: 
    37483  
    37484 Traceback (most recent call last): 
    37485 File
    37486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37487 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37488 if not self.draw_new_frame(): 
    37489 File
    37490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37491 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37492 changed = view.check_for_drawing_change() 
    37493 File
    37494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37495 packages/chimerax/core/graphics/view.py", line 252, in
    37496 check_for_drawing_change 
    37497 trig.activate_trigger('graphics update', self) 
    37498 File
    37499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37500 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37501 trigger.activate(data) 
    37502 File
    37503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37504 packages/chimerax/core/triggerset.py", line 190, in activate 
    37505 ret = handler.invoke(data, self._remove_bad_handlers) 
    37506 File
    37507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37508 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37509 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37510 File
    37511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37512 packages/chimerax/core/session.py", line 943, in <lambda> 
    37513 logger.report_exception(preface=preface)) 
    37514 File
    37515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37516 packages/chimerax/core/logger.py", line 421, in report_exception 
    37517 elif probably_chimera1_session(exc_info): 
    37518 File
    37519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37520 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37521 etype, evalue, etraceback = exc_info 
    37522 TypeError: cannot unpack non-iterable NoneType object 
    37523  
    37524 TypeError: cannot unpack non-iterable NoneType object 
    37525  
    37526 File
    37527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37528 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37529 etype, evalue, etraceback = exc_info 
    37530  
    37531 See log for complete Python traceback. 
    37532  
    37533 Traceback (most recent call last): 
    37534 File
    37535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37536 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37537 return self._func(self._name, data) 
    37538 File
    37539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37540 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37541 if v.display: 
    37542 File
    37543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37544 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37545 return self._any_displayed_positions and len(self._positions) > 0 
    37546 TypeError: object of type 'NoneType' has no len() 
    37547  
    37548 During handling of the above exception, another exception occurred: 
    37549  
    37550 Traceback (most recent call last): 
    37551 File
    37552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37553 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37554 if not self.draw_new_frame(): 
    37555 File
    37556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37557 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37558 changed = view.check_for_drawing_change() 
    37559 File
    37560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37561 packages/chimerax/core/graphics/view.py", line 252, in
    37562 check_for_drawing_change 
    37563 trig.activate_trigger('graphics update', self) 
    37564 File
    37565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37566 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37567 trigger.activate(data) 
    37568 File
    37569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37570 packages/chimerax/core/triggerset.py", line 190, in activate 
    37571 ret = handler.invoke(data, self._remove_bad_handlers) 
    37572 File
    37573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37574 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37575 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37576 File
    37577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37578 packages/chimerax/core/session.py", line 943, in <lambda> 
    37579 logger.report_exception(preface=preface)) 
    37580 File
    37581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37582 packages/chimerax/core/logger.py", line 421, in report_exception 
    37583 elif probably_chimera1_session(exc_info): 
    37584 File
    37585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37586 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37587 etype, evalue, etraceback = exc_info 
    37588 TypeError: cannot unpack non-iterable NoneType object 
    37589  
    37590 TypeError: cannot unpack non-iterable NoneType object 
    37591  
    37592 File
    37593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37594 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37595 etype, evalue, etraceback = exc_info 
    37596  
    37597 See log for complete Python traceback. 
    37598  
    37599 Traceback (most recent call last): 
    37600 File
    37601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37602 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37603 return self._func(self._name, data) 
    37604 File
    37605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37606 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37607 if v.display: 
    37608 File
    37609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37610 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37611 return self._any_displayed_positions and len(self._positions) > 0 
    37612 TypeError: object of type 'NoneType' has no len() 
    37613  
    37614 During handling of the above exception, another exception occurred: 
    37615  
    37616 Traceback (most recent call last): 
    37617 File
    37618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37619 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37620 if not self.draw_new_frame(): 
    37621 File
    37622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37623 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37624 changed = view.check_for_drawing_change() 
    37625 File
    37626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37627 packages/chimerax/core/graphics/view.py", line 252, in
    37628 check_for_drawing_change 
    37629 trig.activate_trigger('graphics update', self) 
    37630 File
    37631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37632 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37633 trigger.activate(data) 
    37634 File
    37635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37636 packages/chimerax/core/triggerset.py", line 190, in activate 
    37637 ret = handler.invoke(data, self._remove_bad_handlers) 
    37638 File
    37639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37640 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37641 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37642 File
    37643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37644 packages/chimerax/core/session.py", line 943, in <lambda> 
    37645 logger.report_exception(preface=preface)) 
    37646 File
    37647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37648 packages/chimerax/core/logger.py", line 421, in report_exception 
    37649 elif probably_chimera1_session(exc_info): 
    37650 File
    37651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37652 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37653 etype, evalue, etraceback = exc_info 
    37654 TypeError: cannot unpack non-iterable NoneType object 
    37655  
    37656 TypeError: cannot unpack non-iterable NoneType object 
    37657  
    37658 File
    37659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37660 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37661 etype, evalue, etraceback = exc_info 
    37662  
    37663 See log for complete Python traceback. 
    37664  
    37665 Traceback (most recent call last): 
    37666 File
    37667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37669 return self._func(self._name, data) 
    37670 File
    37671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37672 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37673 if v.display: 
    37674 File
    37675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37676 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37677 return self._any_displayed_positions and len(self._positions) > 0 
    37678 TypeError: object of type 'NoneType' has no len() 
    37679  
    37680 During handling of the above exception, another exception occurred: 
    37681  
    37682 Traceback (most recent call last): 
    37683 File
    37684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37685 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37686 if not self.draw_new_frame(): 
    37687 File
    37688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37689 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37690 changed = view.check_for_drawing_change() 
    37691 File
    37692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37693 packages/chimerax/core/graphics/view.py", line 252, in
    37694 check_for_drawing_change 
    37695 trig.activate_trigger('graphics update', self) 
    37696 File
    37697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37698 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37699 trigger.activate(data) 
    37700 File
    37701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37702 packages/chimerax/core/triggerset.py", line 190, in activate 
    37703 ret = handler.invoke(data, self._remove_bad_handlers) 
    37704 File
    37705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37706 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37707 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37708 File
    37709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37710 packages/chimerax/core/session.py", line 943, in <lambda> 
    37711 logger.report_exception(preface=preface)) 
    37712 File
    37713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37714 packages/chimerax/core/logger.py", line 421, in report_exception 
    37715 elif probably_chimera1_session(exc_info): 
    37716 File
    37717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37718 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37719 etype, evalue, etraceback = exc_info 
    37720 TypeError: cannot unpack non-iterable NoneType object 
    37721  
    37722 TypeError: cannot unpack non-iterable NoneType object 
    37723  
    37724 File
    37725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37726 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37727 etype, evalue, etraceback = exc_info 
    37728  
    37729 See log for complete Python traceback. 
    37730  
    37731 Traceback (most recent call last): 
    37732 File
    37733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37734 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37735 return self._func(self._name, data) 
    37736 File
    37737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37738 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37739 if v.display: 
    37740 File
    37741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37742 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37743 return self._any_displayed_positions and len(self._positions) > 0 
    37744 TypeError: object of type 'NoneType' has no len() 
    37745  
    37746 During handling of the above exception, another exception occurred: 
    37747  
    37748 Traceback (most recent call last): 
    37749 File
    37750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37751 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37752 if not self.draw_new_frame(): 
    37753 File
    37754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37755 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37756 changed = view.check_for_drawing_change() 
    37757 File
    37758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37759 packages/chimerax/core/graphics/view.py", line 252, in
    37760 check_for_drawing_change 
    37761 trig.activate_trigger('graphics update', self) 
    37762 File
    37763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37764 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37765 trigger.activate(data) 
    37766 File
    37767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37768 packages/chimerax/core/triggerset.py", line 190, in activate 
    37769 ret = handler.invoke(data, self._remove_bad_handlers) 
    37770 File
    37771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37772 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37773 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37774 File
    37775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37776 packages/chimerax/core/session.py", line 943, in <lambda> 
    37777 logger.report_exception(preface=preface)) 
    37778 File
    37779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37780 packages/chimerax/core/logger.py", line 421, in report_exception 
    37781 elif probably_chimera1_session(exc_info): 
    37782 File
    37783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37784 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37785 etype, evalue, etraceback = exc_info 
    37786 TypeError: cannot unpack non-iterable NoneType object 
    37787  
    37788 TypeError: cannot unpack non-iterable NoneType object 
    37789  
    37790 File
    37791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37792 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37793 etype, evalue, etraceback = exc_info 
    37794  
    37795 See log for complete Python traceback. 
    37796  
    37797 Traceback (most recent call last): 
    37798 File
    37799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37800 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37801 return self._func(self._name, data) 
    37802 File
    37803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37804 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37805 if v.display: 
    37806 File
    37807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37808 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37809 return self._any_displayed_positions and len(self._positions) > 0 
    37810 TypeError: object of type 'NoneType' has no len() 
    37811  
    37812 During handling of the above exception, another exception occurred: 
    37813  
    37814 Traceback (most recent call last): 
    37815 File
    37816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37817 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37818 if not self.draw_new_frame(): 
    37819 File
    37820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37821 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37822 changed = view.check_for_drawing_change() 
    37823 File
    37824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37825 packages/chimerax/core/graphics/view.py", line 252, in
    37826 check_for_drawing_change 
    37827 trig.activate_trigger('graphics update', self) 
    37828 File
    37829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37830 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37831 trigger.activate(data) 
    37832 File
    37833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37834 packages/chimerax/core/triggerset.py", line 190, in activate 
    37835 ret = handler.invoke(data, self._remove_bad_handlers) 
    37836 File
    37837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37838 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37839 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37840 File
    37841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37842 packages/chimerax/core/session.py", line 943, in <lambda> 
    37843 logger.report_exception(preface=preface)) 
    37844 File
    37845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37846 packages/chimerax/core/logger.py", line 421, in report_exception 
    37847 elif probably_chimera1_session(exc_info): 
    37848 File
    37849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37850 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37851 etype, evalue, etraceback = exc_info 
    37852 TypeError: cannot unpack non-iterable NoneType object 
    37853  
    37854 TypeError: cannot unpack non-iterable NoneType object 
    37855  
    37856 File
    37857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37858 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37859 etype, evalue, etraceback = exc_info 
    37860  
    37861 See log for complete Python traceback. 
    37862  
    37863 Traceback (most recent call last): 
    37864 File
    37865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37866 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37867 return self._func(self._name, data) 
    37868 File
    37869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37870 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37871 if v.display: 
    37872 File
    37873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37874 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37875 return self._any_displayed_positions and len(self._positions) > 0 
    37876 TypeError: object of type 'NoneType' has no len() 
    37877  
    37878 During handling of the above exception, another exception occurred: 
    37879  
    37880 Traceback (most recent call last): 
    37881 File
    37882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37883 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37884 if not self.draw_new_frame(): 
    37885 File
    37886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37887 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37888 changed = view.check_for_drawing_change() 
    37889 File
    37890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37891 packages/chimerax/core/graphics/view.py", line 252, in
    37892 check_for_drawing_change 
    37893 trig.activate_trigger('graphics update', self) 
    37894 File
    37895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37896 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37897 trigger.activate(data) 
    37898 File
    37899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37900 packages/chimerax/core/triggerset.py", line 190, in activate 
    37901 ret = handler.invoke(data, self._remove_bad_handlers) 
    37902 File
    37903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37904 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37905 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37906 File
    37907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37908 packages/chimerax/core/session.py", line 943, in <lambda> 
    37909 logger.report_exception(preface=preface)) 
    37910 File
    37911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37912 packages/chimerax/core/logger.py", line 421, in report_exception 
    37913 elif probably_chimera1_session(exc_info): 
    37914 File
    37915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37916 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37917 etype, evalue, etraceback = exc_info 
    37918 TypeError: cannot unpack non-iterable NoneType object 
    37919  
    37920 TypeError: cannot unpack non-iterable NoneType object 
    37921  
    37922 File
    37923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37924 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37925 etype, evalue, etraceback = exc_info 
    37926  
    37927 See log for complete Python traceback. 
    37928  
    37929 Traceback (most recent call last): 
    37930 File
    37931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37932 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37933 return self._func(self._name, data) 
    37934 File
    37935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37936 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    37937 if v.display: 
    37938 File
    37939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37940 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    37941 return self._any_displayed_positions and len(self._positions) > 0 
    37942 TypeError: object of type 'NoneType' has no len() 
    37943  
    37944 During handling of the above exception, another exception occurred: 
    37945  
    37946 Traceback (most recent call last): 
    37947 File
    37948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37949 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    37950 if not self.draw_new_frame(): 
    37951 File
    37952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37953 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    37954 changed = view.check_for_drawing_change() 
    37955 File
    37956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37957 packages/chimerax/core/graphics/view.py", line 252, in
    37958 check_for_drawing_change 
    37959 trig.activate_trigger('graphics update', self) 
    37960 File
    37961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37962 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    37963 trigger.activate(data) 
    37964 File
    37965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37966 packages/chimerax/core/triggerset.py", line 190, in activate 
    37967 ret = handler.invoke(data, self._remove_bad_handlers) 
    37968 File
    37969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37970 packages/chimerax/core/triggerset.py", line 132, in invoke 
    37971 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    37972 File
    37973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37974 packages/chimerax/core/session.py", line 943, in <lambda> 
    37975 logger.report_exception(preface=preface)) 
    37976 File
    37977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37978 packages/chimerax/core/logger.py", line 421, in report_exception 
    37979 elif probably_chimera1_session(exc_info): 
    37980 File
    37981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37982 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37983 etype, evalue, etraceback = exc_info 
    37984 TypeError: cannot unpack non-iterable NoneType object 
    37985  
    37986 TypeError: cannot unpack non-iterable NoneType object 
    37987  
    37988 File
    37989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37990 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    37991 etype, evalue, etraceback = exc_info 
    37992  
    37993 See log for complete Python traceback. 
    37994  
    37995 Traceback (most recent call last): 
    37996 File
    37997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    37998 packages/chimerax/core/triggerset.py", line 130, in invoke 
    37999 return self._func(self._name, data) 
    38000 File
    38001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38002 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38003 if v.display: 
    38004 File
    38005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38006 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38007 return self._any_displayed_positions and len(self._positions) > 0 
    38008 TypeError: object of type 'NoneType' has no len() 
    38009  
    38010 During handling of the above exception, another exception occurred: 
    38011  
    38012 Traceback (most recent call last): 
    38013 File
    38014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38015 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38016 if not self.draw_new_frame(): 
    38017 File
    38018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38019 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38020 changed = view.check_for_drawing_change() 
    38021 File
    38022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38023 packages/chimerax/core/graphics/view.py", line 252, in
    38024 check_for_drawing_change 
    38025 trig.activate_trigger('graphics update', self) 
    38026 File
    38027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38028 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38029 trigger.activate(data) 
    38030 File
    38031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38032 packages/chimerax/core/triggerset.py", line 190, in activate 
    38033 ret = handler.invoke(data, self._remove_bad_handlers) 
    38034 File
    38035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38036 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38037 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38038 File
    38039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38040 packages/chimerax/core/session.py", line 943, in <lambda> 
    38041 logger.report_exception(preface=preface)) 
    38042 File
    38043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38044 packages/chimerax/core/logger.py", line 421, in report_exception 
    38045 elif probably_chimera1_session(exc_info): 
    38046 File
    38047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38048 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38049 etype, evalue, etraceback = exc_info 
    38050 TypeError: cannot unpack non-iterable NoneType object 
    38051  
    38052 TypeError: cannot unpack non-iterable NoneType object 
    38053  
    38054 File
    38055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38056 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38057 etype, evalue, etraceback = exc_info 
    38058  
    38059 See log for complete Python traceback. 
    38060  
    38061 Traceback (most recent call last): 
    38062 File
    38063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38064 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38065 return self._func(self._name, data) 
    38066 File
    38067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38068 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38069 if v.display: 
    38070 File
    38071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38072 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38073 return self._any_displayed_positions and len(self._positions) > 0 
    38074 TypeError: object of type 'NoneType' has no len() 
    38075  
    38076 During handling of the above exception, another exception occurred: 
    38077  
    38078 Traceback (most recent call last): 
    38079 File
    38080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38081 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38082 if not self.draw_new_frame(): 
    38083 File
    38084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38085 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38086 changed = view.check_for_drawing_change() 
    38087 File
    38088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38089 packages/chimerax/core/graphics/view.py", line 252, in
    38090 check_for_drawing_change 
    38091 trig.activate_trigger('graphics update', self) 
    38092 File
    38093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38094 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38095 trigger.activate(data) 
    38096 File
    38097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38098 packages/chimerax/core/triggerset.py", line 190, in activate 
    38099 ret = handler.invoke(data, self._remove_bad_handlers) 
    38100 File
    38101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38102 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38103 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38104 File
    38105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38106 packages/chimerax/core/session.py", line 943, in <lambda> 
    38107 logger.report_exception(preface=preface)) 
    38108 File
    38109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38110 packages/chimerax/core/logger.py", line 421, in report_exception 
    38111 elif probably_chimera1_session(exc_info): 
    38112 File
    38113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38114 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38115 etype, evalue, etraceback = exc_info 
    38116 TypeError: cannot unpack non-iterable NoneType object 
    38117  
    38118 TypeError: cannot unpack non-iterable NoneType object 
    38119  
    38120 File
    38121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38122 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38123 etype, evalue, etraceback = exc_info 
    38124  
    38125 See log for complete Python traceback. 
    38126  
    38127 Traceback (most recent call last): 
    38128 File
    38129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38130 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38131 return self._func(self._name, data) 
    38132 File
    38133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38134 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38135 if v.display: 
    38136 File
    38137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38138 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38139 return self._any_displayed_positions and len(self._positions) > 0 
    38140 TypeError: object of type 'NoneType' has no len() 
    38141  
    38142 During handling of the above exception, another exception occurred: 
    38143  
    38144 Traceback (most recent call last): 
    38145 File
    38146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38147 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38148 if not self.draw_new_frame(): 
    38149 File
    38150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38151 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38152 changed = view.check_for_drawing_change() 
    38153 File
    38154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38155 packages/chimerax/core/graphics/view.py", line 252, in
    38156 check_for_drawing_change 
    38157 trig.activate_trigger('graphics update', self) 
    38158 File
    38159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38160 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38161 trigger.activate(data) 
    38162 File
    38163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38164 packages/chimerax/core/triggerset.py", line 190, in activate 
    38165 ret = handler.invoke(data, self._remove_bad_handlers) 
    38166 File
    38167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38168 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38169 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38170 File
    38171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38172 packages/chimerax/core/session.py", line 943, in <lambda> 
    38173 logger.report_exception(preface=preface)) 
    38174 File
    38175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38176 packages/chimerax/core/logger.py", line 421, in report_exception 
    38177 elif probably_chimera1_session(exc_info): 
    38178 File
    38179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38180 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38181 etype, evalue, etraceback = exc_info 
    38182 TypeError: cannot unpack non-iterable NoneType object 
    38183  
    38184 TypeError: cannot unpack non-iterable NoneType object 
    38185  
    38186 File
    38187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38188 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38189 etype, evalue, etraceback = exc_info 
    38190  
    38191 See log for complete Python traceback. 
    38192  
    38193 Traceback (most recent call last): 
    38194 File
    38195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38196 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38197 return self._func(self._name, data) 
    38198 File
    38199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38200 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38201 if v.display: 
    38202 File
    38203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38204 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38205 return self._any_displayed_positions and len(self._positions) > 0 
    38206 TypeError: object of type 'NoneType' has no len() 
    38207  
    38208 During handling of the above exception, another exception occurred: 
    38209  
    38210 Traceback (most recent call last): 
    38211 File
    38212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38213 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38214 if not self.draw_new_frame(): 
    38215 File
    38216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38217 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38218 changed = view.check_for_drawing_change() 
    38219 File
    38220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38221 packages/chimerax/core/graphics/view.py", line 252, in
    38222 check_for_drawing_change 
    38223 trig.activate_trigger('graphics update', self) 
    38224 File
    38225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38226 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38227 trigger.activate(data) 
    38228 File
    38229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38230 packages/chimerax/core/triggerset.py", line 190, in activate 
    38231 ret = handler.invoke(data, self._remove_bad_handlers) 
    38232 File
    38233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38234 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38235 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38236 File
    38237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38238 packages/chimerax/core/session.py", line 943, in <lambda> 
    38239 logger.report_exception(preface=preface)) 
    38240 File
    38241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38242 packages/chimerax/core/logger.py", line 421, in report_exception 
    38243 elif probably_chimera1_session(exc_info): 
    38244 File
    38245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38246 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38247 etype, evalue, etraceback = exc_info 
    38248 TypeError: cannot unpack non-iterable NoneType object 
    38249  
    38250 TypeError: cannot unpack non-iterable NoneType object 
    38251  
    38252 File
    38253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38254 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38255 etype, evalue, etraceback = exc_info 
    38256  
    38257 See log for complete Python traceback. 
    38258  
    38259 Traceback (most recent call last): 
    38260 File
    38261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38262 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38263 return self._func(self._name, data) 
    38264 File
    38265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38266 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38267 if v.display: 
    38268 File
    38269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38270 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38271 return self._any_displayed_positions and len(self._positions) > 0 
    38272 TypeError: object of type 'NoneType' has no len() 
    38273  
    38274 During handling of the above exception, another exception occurred: 
    38275  
    38276 Traceback (most recent call last): 
    38277 File
    38278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38279 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38280 if not self.draw_new_frame(): 
    38281 File
    38282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38283 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38284 changed = view.check_for_drawing_change() 
    38285 File
    38286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38287 packages/chimerax/core/graphics/view.py", line 252, in
    38288 check_for_drawing_change 
    38289 trig.activate_trigger('graphics update', self) 
    38290 File
    38291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38292 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38293 trigger.activate(data) 
    38294 File
    38295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38296 packages/chimerax/core/triggerset.py", line 190, in activate 
    38297 ret = handler.invoke(data, self._remove_bad_handlers) 
    38298 File
    38299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38300 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38301 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38302 File
    38303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38304 packages/chimerax/core/session.py", line 943, in <lambda> 
    38305 logger.report_exception(preface=preface)) 
    38306 File
    38307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38308 packages/chimerax/core/logger.py", line 421, in report_exception 
    38309 elif probably_chimera1_session(exc_info): 
    38310 File
    38311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38312 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38313 etype, evalue, etraceback = exc_info 
    38314 TypeError: cannot unpack non-iterable NoneType object 
    38315  
    38316 TypeError: cannot unpack non-iterable NoneType object 
    38317  
    38318 File
    38319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38320 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38321 etype, evalue, etraceback = exc_info 
    38322  
    38323 See log for complete Python traceback. 
    38324  
    38325 Traceback (most recent call last): 
    38326 File
    38327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38328 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38329 return self._func(self._name, data) 
    38330 File
    38331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38332 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38333 if v.display: 
    38334 File
    38335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38336 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38337 return self._any_displayed_positions and len(self._positions) > 0 
    38338 TypeError: object of type 'NoneType' has no len() 
    38339  
    38340 During handling of the above exception, another exception occurred: 
    38341  
    38342 Traceback (most recent call last): 
    38343 File
    38344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38345 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38346 if not self.draw_new_frame(): 
    38347 File
    38348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38349 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38350 changed = view.check_for_drawing_change() 
    38351 File
    38352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38353 packages/chimerax/core/graphics/view.py", line 252, in
    38354 check_for_drawing_change 
    38355 trig.activate_trigger('graphics update', self) 
    38356 File
    38357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38358 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38359 trigger.activate(data) 
    38360 File
    38361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38362 packages/chimerax/core/triggerset.py", line 190, in activate 
    38363 ret = handler.invoke(data, self._remove_bad_handlers) 
    38364 File
    38365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38366 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38367 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38368 File
    38369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38370 packages/chimerax/core/session.py", line 943, in <lambda> 
    38371 logger.report_exception(preface=preface)) 
    38372 File
    38373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38374 packages/chimerax/core/logger.py", line 421, in report_exception 
    38375 elif probably_chimera1_session(exc_info): 
    38376 File
    38377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38378 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38379 etype, evalue, etraceback = exc_info 
    38380 TypeError: cannot unpack non-iterable NoneType object 
    38381  
    38382 TypeError: cannot unpack non-iterable NoneType object 
    38383  
    38384 File
    38385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38386 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38387 etype, evalue, etraceback = exc_info 
    38388  
    38389 See log for complete Python traceback. 
    38390  
    38391 Traceback (most recent call last): 
    38392 File
    38393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38394 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38395 return self._func(self._name, data) 
    38396 File
    38397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38398 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38399 if v.display: 
    38400 File
    38401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38402 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38403 return self._any_displayed_positions and len(self._positions) > 0 
    38404 TypeError: object of type 'NoneType' has no len() 
    38405  
    38406 During handling of the above exception, another exception occurred: 
    38407  
    38408 Traceback (most recent call last): 
    38409 File
    38410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38411 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38412 if not self.draw_new_frame(): 
    38413 File
    38414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38415 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38416 changed = view.check_for_drawing_change() 
    38417 File
    38418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38419 packages/chimerax/core/graphics/view.py", line 252, in
    38420 check_for_drawing_change 
    38421 trig.activate_trigger('graphics update', self) 
    38422 File
    38423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38424 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38425 trigger.activate(data) 
    38426 File
    38427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38428 packages/chimerax/core/triggerset.py", line 190, in activate 
    38429 ret = handler.invoke(data, self._remove_bad_handlers) 
    38430 File
    38431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38432 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38433 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38434 File
    38435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38436 packages/chimerax/core/session.py", line 943, in <lambda> 
    38437 logger.report_exception(preface=preface)) 
    38438 File
    38439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38440 packages/chimerax/core/logger.py", line 421, in report_exception 
    38441 elif probably_chimera1_session(exc_info): 
    38442 File
    38443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38444 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38445 etype, evalue, etraceback = exc_info 
    38446 TypeError: cannot unpack non-iterable NoneType object 
    38447  
    38448 TypeError: cannot unpack non-iterable NoneType object 
    38449  
    38450 File
    38451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38452 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38453 etype, evalue, etraceback = exc_info 
    38454  
    38455 See log for complete Python traceback. 
    38456  
    38457 Traceback (most recent call last): 
    38458 File
    38459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38460 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38461 return self._func(self._name, data) 
    38462 File
    38463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38464 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38465 if v.display: 
    38466 File
    38467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38468 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38469 return self._any_displayed_positions and len(self._positions) > 0 
    38470 TypeError: object of type 'NoneType' has no len() 
    38471  
    38472 During handling of the above exception, another exception occurred: 
    38473  
    38474 Traceback (most recent call last): 
    38475 File
    38476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38477 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38478 if not self.draw_new_frame(): 
    38479 File
    38480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38481 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38482 changed = view.check_for_drawing_change() 
    38483 File
    38484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38485 packages/chimerax/core/graphics/view.py", line 252, in
    38486 check_for_drawing_change 
    38487 trig.activate_trigger('graphics update', self) 
    38488 File
    38489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38490 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38491 trigger.activate(data) 
    38492 File
    38493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38494 packages/chimerax/core/triggerset.py", line 190, in activate 
    38495 ret = handler.invoke(data, self._remove_bad_handlers) 
    38496 File
    38497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38498 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38499 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38500 File
    38501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38502 packages/chimerax/core/session.py", line 943, in <lambda> 
    38503 logger.report_exception(preface=preface)) 
    38504 File
    38505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38506 packages/chimerax/core/logger.py", line 421, in report_exception 
    38507 elif probably_chimera1_session(exc_info): 
    38508 File
    38509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38510 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38511 etype, evalue, etraceback = exc_info 
    38512 TypeError: cannot unpack non-iterable NoneType object 
    38513  
    38514 TypeError: cannot unpack non-iterable NoneType object 
    38515  
    38516 File
    38517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38518 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38519 etype, evalue, etraceback = exc_info 
    38520  
    38521 See log for complete Python traceback. 
    38522  
    38523 Traceback (most recent call last): 
    38524 File
    38525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38526 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38527 return self._func(self._name, data) 
    38528 File
    38529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38530 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38531 if v.display: 
    38532 File
    38533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38534 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38535 return self._any_displayed_positions and len(self._positions) > 0 
    38536 TypeError: object of type 'NoneType' has no len() 
    38537  
    38538 During handling of the above exception, another exception occurred: 
    38539  
    38540 Traceback (most recent call last): 
    38541 File
    38542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38543 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38544 if not self.draw_new_frame(): 
    38545 File
    38546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38547 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38548 changed = view.check_for_drawing_change() 
    38549 File
    38550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38551 packages/chimerax/core/graphics/view.py", line 252, in
    38552 check_for_drawing_change 
    38553 trig.activate_trigger('graphics update', self) 
    38554 File
    38555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38556 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38557 trigger.activate(data) 
    38558 File
    38559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38560 packages/chimerax/core/triggerset.py", line 190, in activate 
    38561 ret = handler.invoke(data, self._remove_bad_handlers) 
    38562 File
    38563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38564 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38565 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38566 File
    38567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38568 packages/chimerax/core/session.py", line 943, in <lambda> 
    38569 logger.report_exception(preface=preface)) 
    38570 File
    38571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38572 packages/chimerax/core/logger.py", line 421, in report_exception 
    38573 elif probably_chimera1_session(exc_info): 
    38574 File
    38575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38576 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38577 etype, evalue, etraceback = exc_info 
    38578 TypeError: cannot unpack non-iterable NoneType object 
    38579  
    38580 TypeError: cannot unpack non-iterable NoneType object 
    38581  
    38582 File
    38583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38584 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38585 etype, evalue, etraceback = exc_info 
    38586  
    38587 See log for complete Python traceback. 
    38588  
    38589 Traceback (most recent call last): 
    38590 File
    38591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38592 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38593 return self._func(self._name, data) 
    38594 File
    38595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38596 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38597 if v.display: 
    38598 File
    38599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38600 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38601 return self._any_displayed_positions and len(self._positions) > 0 
    38602 TypeError: object of type 'NoneType' has no len() 
    38603  
    38604 During handling of the above exception, another exception occurred: 
    38605  
    38606 Traceback (most recent call last): 
    38607 File
    38608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38609 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38610 if not self.draw_new_frame(): 
    38611 File
    38612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38613 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38614 changed = view.check_for_drawing_change() 
    38615 File
    38616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38617 packages/chimerax/core/graphics/view.py", line 252, in
    38618 check_for_drawing_change 
    38619 trig.activate_trigger('graphics update', self) 
    38620 File
    38621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38622 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38623 trigger.activate(data) 
    38624 File
    38625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38626 packages/chimerax/core/triggerset.py", line 190, in activate 
    38627 ret = handler.invoke(data, self._remove_bad_handlers) 
    38628 File
    38629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38630 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38631 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38632 File
    38633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38634 packages/chimerax/core/session.py", line 943, in <lambda> 
    38635 logger.report_exception(preface=preface)) 
    38636 File
    38637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38638 packages/chimerax/core/logger.py", line 421, in report_exception 
    38639 elif probably_chimera1_session(exc_info): 
    38640 File
    38641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38642 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38643 etype, evalue, etraceback = exc_info 
    38644 TypeError: cannot unpack non-iterable NoneType object 
    38645  
    38646 TypeError: cannot unpack non-iterable NoneType object 
    38647  
    38648 File
    38649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38650 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38651 etype, evalue, etraceback = exc_info 
    38652  
    38653 See log for complete Python traceback. 
    38654  
    38655 Traceback (most recent call last): 
    38656 File
    38657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38658 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38659 return self._func(self._name, data) 
    38660 File
    38661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38662 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38663 if v.display: 
    38664 File
    38665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38666 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38667 return self._any_displayed_positions and len(self._positions) > 0 
    38668 TypeError: object of type 'NoneType' has no len() 
    38669  
    38670 During handling of the above exception, another exception occurred: 
    38671  
    38672 Traceback (most recent call last): 
    38673 File
    38674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38675 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38676 if not self.draw_new_frame(): 
    38677 File
    38678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38679 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38680 changed = view.check_for_drawing_change() 
    38681 File
    38682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38683 packages/chimerax/core/graphics/view.py", line 252, in
    38684 check_for_drawing_change 
    38685 trig.activate_trigger('graphics update', self) 
    38686 File
    38687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38688 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38689 trigger.activate(data) 
    38690 File
    38691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38692 packages/chimerax/core/triggerset.py", line 190, in activate 
    38693 ret = handler.invoke(data, self._remove_bad_handlers) 
    38694 File
    38695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38696 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38697 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38698 File
    38699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38700 packages/chimerax/core/session.py", line 943, in <lambda> 
    38701 logger.report_exception(preface=preface)) 
    38702 File
    38703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38704 packages/chimerax/core/logger.py", line 421, in report_exception 
    38705 elif probably_chimera1_session(exc_info): 
    38706 File
    38707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38708 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38709 etype, evalue, etraceback = exc_info 
    38710 TypeError: cannot unpack non-iterable NoneType object 
    38711  
    38712 TypeError: cannot unpack non-iterable NoneType object 
    38713  
    38714 File
    38715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38716 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38717 etype, evalue, etraceback = exc_info 
    38718  
    38719 See log for complete Python traceback. 
    38720  
    38721 Traceback (most recent call last): 
    38722 File
    38723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38724 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38725 return self._func(self._name, data) 
    38726 File
    38727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38728 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38729 if v.display: 
    38730 File
    38731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38732 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38733 return self._any_displayed_positions and len(self._positions) > 0 
    38734 TypeError: object of type 'NoneType' has no len() 
    38735  
    38736 During handling of the above exception, another exception occurred: 
    38737  
    38738 Traceback (most recent call last): 
    38739 File
    38740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38741 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38742 if not self.draw_new_frame(): 
    38743 File
    38744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38745 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38746 changed = view.check_for_drawing_change() 
    38747 File
    38748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38749 packages/chimerax/core/graphics/view.py", line 252, in
    38750 check_for_drawing_change 
    38751 trig.activate_trigger('graphics update', self) 
    38752 File
    38753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38754 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38755 trigger.activate(data) 
    38756 File
    38757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38758 packages/chimerax/core/triggerset.py", line 190, in activate 
    38759 ret = handler.invoke(data, self._remove_bad_handlers) 
    38760 File
    38761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38762 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38763 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38764 File
    38765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38766 packages/chimerax/core/session.py", line 943, in <lambda> 
    38767 logger.report_exception(preface=preface)) 
    38768 File
    38769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38770 packages/chimerax/core/logger.py", line 421, in report_exception 
    38771 elif probably_chimera1_session(exc_info): 
    38772 File
    38773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38774 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38775 etype, evalue, etraceback = exc_info 
    38776 TypeError: cannot unpack non-iterable NoneType object 
    38777  
    38778 TypeError: cannot unpack non-iterable NoneType object 
    38779  
    38780 File
    38781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38782 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38783 etype, evalue, etraceback = exc_info 
    38784  
    38785 See log for complete Python traceback. 
    38786  
    38787 Traceback (most recent call last): 
    38788 File
    38789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38790 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38791 return self._func(self._name, data) 
    38792 File
    38793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38794 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38795 if v.display: 
    38796 File
    38797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38798 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38799 return self._any_displayed_positions and len(self._positions) > 0 
    38800 TypeError: object of type 'NoneType' has no len() 
    38801  
    38802 During handling of the above exception, another exception occurred: 
    38803  
    38804 Traceback (most recent call last): 
    38805 File
    38806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38807 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38808 if not self.draw_new_frame(): 
    38809 File
    38810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38811 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38812 changed = view.check_for_drawing_change() 
    38813 File
    38814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38815 packages/chimerax/core/graphics/view.py", line 252, in
    38816 check_for_drawing_change 
    38817 trig.activate_trigger('graphics update', self) 
    38818 File
    38819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38820 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38821 trigger.activate(data) 
    38822 File
    38823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38824 packages/chimerax/core/triggerset.py", line 190, in activate 
    38825 ret = handler.invoke(data, self._remove_bad_handlers) 
    38826 File
    38827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38828 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38829 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38830 File
    38831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38832 packages/chimerax/core/session.py", line 943, in <lambda> 
    38833 logger.report_exception(preface=preface)) 
    38834 File
    38835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38836 packages/chimerax/core/logger.py", line 421, in report_exception 
    38837 elif probably_chimera1_session(exc_info): 
    38838 File
    38839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38840 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38841 etype, evalue, etraceback = exc_info 
    38842 TypeError: cannot unpack non-iterable NoneType object 
    38843  
    38844 TypeError: cannot unpack non-iterable NoneType object 
    38845  
    38846 File
    38847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38848 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38849 etype, evalue, etraceback = exc_info 
    38850  
    38851 See log for complete Python traceback. 
    38852  
    38853 Traceback (most recent call last): 
    38854 File
    38855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38856 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38857 return self._func(self._name, data) 
    38858 File
    38859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38860 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38861 if v.display: 
    38862 File
    38863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38864 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38865 return self._any_displayed_positions and len(self._positions) > 0 
    38866 TypeError: object of type 'NoneType' has no len() 
    38867  
    38868 During handling of the above exception, another exception occurred: 
    38869  
    38870 Traceback (most recent call last): 
    38871 File
    38872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38873 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38874 if not self.draw_new_frame(): 
    38875 File
    38876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38877 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38878 changed = view.check_for_drawing_change() 
    38879 File
    38880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38881 packages/chimerax/core/graphics/view.py", line 252, in
    38882 check_for_drawing_change 
    38883 trig.activate_trigger('graphics update', self) 
    38884 File
    38885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38886 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38887 trigger.activate(data) 
    38888 File
    38889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38890 packages/chimerax/core/triggerset.py", line 190, in activate 
    38891 ret = handler.invoke(data, self._remove_bad_handlers) 
    38892 File
    38893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38894 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38895 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38896 File
    38897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38898 packages/chimerax/core/session.py", line 943, in <lambda> 
    38899 logger.report_exception(preface=preface)) 
    38900 File
    38901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38902 packages/chimerax/core/logger.py", line 421, in report_exception 
    38903 elif probably_chimera1_session(exc_info): 
    38904 File
    38905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38906 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38907 etype, evalue, etraceback = exc_info 
    38908 TypeError: cannot unpack non-iterable NoneType object 
    38909  
    38910 TypeError: cannot unpack non-iterable NoneType object 
    38911  
    38912 File
    38913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38914 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38915 etype, evalue, etraceback = exc_info 
    38916  
    38917 See log for complete Python traceback. 
    38918  
    38919 Traceback (most recent call last): 
    38920 File
    38921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38922 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38923 return self._func(self._name, data) 
    38924 File
    38925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38926 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38927 if v.display: 
    38928 File
    38929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38930 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38931 return self._any_displayed_positions and len(self._positions) > 0 
    38932 TypeError: object of type 'NoneType' has no len() 
    38933  
    38934 During handling of the above exception, another exception occurred: 
    38935  
    38936 Traceback (most recent call last): 
    38937 File
    38938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38939 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    38940 if not self.draw_new_frame(): 
    38941 File
    38942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38943 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    38944 changed = view.check_for_drawing_change() 
    38945 File
    38946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38947 packages/chimerax/core/graphics/view.py", line 252, in
    38948 check_for_drawing_change 
    38949 trig.activate_trigger('graphics update', self) 
    38950 File
    38951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38952 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    38953 trigger.activate(data) 
    38954 File
    38955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38956 packages/chimerax/core/triggerset.py", line 190, in activate 
    38957 ret = handler.invoke(data, self._remove_bad_handlers) 
    38958 File
    38959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38960 packages/chimerax/core/triggerset.py", line 132, in invoke 
    38961 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    38962 File
    38963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38964 packages/chimerax/core/session.py", line 943, in <lambda> 
    38965 logger.report_exception(preface=preface)) 
    38966 File
    38967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38968 packages/chimerax/core/logger.py", line 421, in report_exception 
    38969 elif probably_chimera1_session(exc_info): 
    38970 File
    38971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38972 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38973 etype, evalue, etraceback = exc_info 
    38974 TypeError: cannot unpack non-iterable NoneType object 
    38975  
    38976 TypeError: cannot unpack non-iterable NoneType object 
    38977  
    38978 File
    38979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38980 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    38981 etype, evalue, etraceback = exc_info 
    38982  
    38983 See log for complete Python traceback. 
    38984  
    38985 Traceback (most recent call last): 
    38986 File
    38987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38988 packages/chimerax/core/triggerset.py", line 130, in invoke 
    38989 return self._func(self._name, data) 
    38990 File
    38991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38992 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    38993 if v.display: 
    38994 File
    38995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    38996 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    38997 return self._any_displayed_positions and len(self._positions) > 0 
    38998 TypeError: object of type 'NoneType' has no len() 
    38999  
    39000 During handling of the above exception, another exception occurred: 
    39001  
    39002 Traceback (most recent call last): 
    39003 File
    39004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39005 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39006 if not self.draw_new_frame(): 
    39007 File
    39008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39009 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39010 changed = view.check_for_drawing_change() 
    39011 File
    39012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39013 packages/chimerax/core/graphics/view.py", line 252, in
    39014 check_for_drawing_change 
    39015 trig.activate_trigger('graphics update', self) 
    39016 File
    39017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39018 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39019 trigger.activate(data) 
    39020 File
    39021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39022 packages/chimerax/core/triggerset.py", line 190, in activate 
    39023 ret = handler.invoke(data, self._remove_bad_handlers) 
    39024 File
    39025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39026 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39027 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39028 File
    39029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39030 packages/chimerax/core/session.py", line 943, in <lambda> 
    39031 logger.report_exception(preface=preface)) 
    39032 File
    39033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39034 packages/chimerax/core/logger.py", line 421, in report_exception 
    39035 elif probably_chimera1_session(exc_info): 
    39036 File
    39037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39038 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39039 etype, evalue, etraceback = exc_info 
    39040 TypeError: cannot unpack non-iterable NoneType object 
    39041  
    39042 TypeError: cannot unpack non-iterable NoneType object 
    39043  
    39044 File
    39045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39046 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39047 etype, evalue, etraceback = exc_info 
    39048  
    39049 See log for complete Python traceback. 
    39050  
    39051 Traceback (most recent call last): 
    39052 File
    39053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39054 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39055 return self._func(self._name, data) 
    39056 File
    39057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39058 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39059 if v.display: 
    39060 File
    39061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39062 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39063 return self._any_displayed_positions and len(self._positions) > 0 
    39064 TypeError: object of type 'NoneType' has no len() 
    39065  
    39066 During handling of the above exception, another exception occurred: 
    39067  
    39068 Traceback (most recent call last): 
    39069 File
    39070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39071 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39072 if not self.draw_new_frame(): 
    39073 File
    39074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39075 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39076 changed = view.check_for_drawing_change() 
    39077 File
    39078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39079 packages/chimerax/core/graphics/view.py", line 252, in
    39080 check_for_drawing_change 
    39081 trig.activate_trigger('graphics update', self) 
    39082 File
    39083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39084 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39085 trigger.activate(data) 
    39086 File
    39087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39088 packages/chimerax/core/triggerset.py", line 190, in activate 
    39089 ret = handler.invoke(data, self._remove_bad_handlers) 
    39090 File
    39091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39092 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39093 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39094 File
    39095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39096 packages/chimerax/core/session.py", line 943, in <lambda> 
    39097 logger.report_exception(preface=preface)) 
    39098 File
    39099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39100 packages/chimerax/core/logger.py", line 421, in report_exception 
    39101 elif probably_chimera1_session(exc_info): 
    39102 File
    39103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39104 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39105 etype, evalue, etraceback = exc_info 
    39106 TypeError: cannot unpack non-iterable NoneType object 
    39107  
    39108 TypeError: cannot unpack non-iterable NoneType object 
    39109  
    39110 File
    39111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39112 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39113 etype, evalue, etraceback = exc_info 
    39114  
    39115 See log for complete Python traceback. 
    39116  
    39117 Traceback (most recent call last): 
    39118 File
    39119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39120 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39121 return self._func(self._name, data) 
    39122 File
    39123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39124 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39125 if v.display: 
    39126 File
    39127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39128 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39129 return self._any_displayed_positions and len(self._positions) > 0 
    39130 TypeError: object of type 'NoneType' has no len() 
    39131  
    39132 During handling of the above exception, another exception occurred: 
    39133  
    39134 Traceback (most recent call last): 
    39135 File
    39136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39137 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39138 if not self.draw_new_frame(): 
    39139 File
    39140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39141 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39142 changed = view.check_for_drawing_change() 
    39143 File
    39144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39145 packages/chimerax/core/graphics/view.py", line 252, in
    39146 check_for_drawing_change 
    39147 trig.activate_trigger('graphics update', self) 
    39148 File
    39149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39150 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39151 trigger.activate(data) 
    39152 File
    39153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39154 packages/chimerax/core/triggerset.py", line 190, in activate 
    39155 ret = handler.invoke(data, self._remove_bad_handlers) 
    39156 File
    39157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39158 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39159 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39160 File
    39161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39162 packages/chimerax/core/session.py", line 943, in <lambda> 
    39163 logger.report_exception(preface=preface)) 
    39164 File
    39165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39166 packages/chimerax/core/logger.py", line 421, in report_exception 
    39167 elif probably_chimera1_session(exc_info): 
    39168 File
    39169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39170 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39171 etype, evalue, etraceback = exc_info 
    39172 TypeError: cannot unpack non-iterable NoneType object 
    39173  
    39174 TypeError: cannot unpack non-iterable NoneType object 
    39175  
    39176 File
    39177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39178 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39179 etype, evalue, etraceback = exc_info 
    39180  
    39181 See log for complete Python traceback. 
    39182  
    39183 Traceback (most recent call last): 
    39184 File
    39185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39186 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39187 return self._func(self._name, data) 
    39188 File
    39189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39190 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39191 if v.display: 
    39192 File
    39193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39194 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39195 return self._any_displayed_positions and len(self._positions) > 0 
    39196 TypeError: object of type 'NoneType' has no len() 
    39197  
    39198 During handling of the above exception, another exception occurred: 
    39199  
    39200 Traceback (most recent call last): 
    39201 File
    39202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39203 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39204 if not self.draw_new_frame(): 
    39205 File
    39206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39207 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39208 changed = view.check_for_drawing_change() 
    39209 File
    39210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39211 packages/chimerax/core/graphics/view.py", line 252, in
    39212 check_for_drawing_change 
    39213 trig.activate_trigger('graphics update', self) 
    39214 File
    39215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39216 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39217 trigger.activate(data) 
    39218 File
    39219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39220 packages/chimerax/core/triggerset.py", line 190, in activate 
    39221 ret = handler.invoke(data, self._remove_bad_handlers) 
    39222 File
    39223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39224 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39225 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39226 File
    39227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39228 packages/chimerax/core/session.py", line 943, in <lambda> 
    39229 logger.report_exception(preface=preface)) 
    39230 File
    39231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39232 packages/chimerax/core/logger.py", line 421, in report_exception 
    39233 elif probably_chimera1_session(exc_info): 
    39234 File
    39235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39236 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39237 etype, evalue, etraceback = exc_info 
    39238 TypeError: cannot unpack non-iterable NoneType object 
    39239  
    39240 TypeError: cannot unpack non-iterable NoneType object 
    39241  
    39242 File
    39243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39244 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39245 etype, evalue, etraceback = exc_info 
    39246  
    39247 See log for complete Python traceback. 
    39248  
    39249 Traceback (most recent call last): 
    39250 File
    39251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39252 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39253 return self._func(self._name, data) 
    39254 File
    39255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39256 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39257 if v.display: 
    39258 File
    39259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39260 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39261 return self._any_displayed_positions and len(self._positions) > 0 
    39262 TypeError: object of type 'NoneType' has no len() 
    39263  
    39264 During handling of the above exception, another exception occurred: 
    39265  
    39266 Traceback (most recent call last): 
    39267 File
    39268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39269 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39270 if not self.draw_new_frame(): 
    39271 File
    39272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39273 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39274 changed = view.check_for_drawing_change() 
    39275 File
    39276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39277 packages/chimerax/core/graphics/view.py", line 252, in
    39278 check_for_drawing_change 
    39279 trig.activate_trigger('graphics update', self) 
    39280 File
    39281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39282 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39283 trigger.activate(data) 
    39284 File
    39285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39286 packages/chimerax/core/triggerset.py", line 190, in activate 
    39287 ret = handler.invoke(data, self._remove_bad_handlers) 
    39288 File
    39289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39290 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39291 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39292 File
    39293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39294 packages/chimerax/core/session.py", line 943, in <lambda> 
    39295 logger.report_exception(preface=preface)) 
    39296 File
    39297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39298 packages/chimerax/core/logger.py", line 421, in report_exception 
    39299 elif probably_chimera1_session(exc_info): 
    39300 File
    39301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39302 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39303 etype, evalue, etraceback = exc_info 
    39304 TypeError: cannot unpack non-iterable NoneType object 
    39305  
    39306 TypeError: cannot unpack non-iterable NoneType object 
    39307  
    39308 File
    39309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39310 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39311 etype, evalue, etraceback = exc_info 
    39312  
    39313 See log for complete Python traceback. 
    39314  
    39315 Traceback (most recent call last): 
    39316 File
    39317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39319 return self._func(self._name, data) 
    39320 File
    39321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39322 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39323 if v.display: 
    39324 File
    39325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39326 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39327 return self._any_displayed_positions and len(self._positions) > 0 
    39328 TypeError: object of type 'NoneType' has no len() 
    39329  
    39330 During handling of the above exception, another exception occurred: 
    39331  
    39332 Traceback (most recent call last): 
    39333 File
    39334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39335 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39336 if not self.draw_new_frame(): 
    39337 File
    39338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39339 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39340 changed = view.check_for_drawing_change() 
    39341 File
    39342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39343 packages/chimerax/core/graphics/view.py", line 252, in
    39344 check_for_drawing_change 
    39345 trig.activate_trigger('graphics update', self) 
    39346 File
    39347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39348 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39349 trigger.activate(data) 
    39350 File
    39351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39352 packages/chimerax/core/triggerset.py", line 190, in activate 
    39353 ret = handler.invoke(data, self._remove_bad_handlers) 
    39354 File
    39355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39356 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39357 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39358 File
    39359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39360 packages/chimerax/core/session.py", line 943, in <lambda> 
    39361 logger.report_exception(preface=preface)) 
    39362 File
    39363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39364 packages/chimerax/core/logger.py", line 421, in report_exception 
    39365 elif probably_chimera1_session(exc_info): 
    39366 File
    39367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39368 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39369 etype, evalue, etraceback = exc_info 
    39370 TypeError: cannot unpack non-iterable NoneType object 
    39371  
    39372 TypeError: cannot unpack non-iterable NoneType object 
    39373  
    39374 File
    39375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39376 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39377 etype, evalue, etraceback = exc_info 
    39378  
    39379 See log for complete Python traceback. 
    39380  
    39381 Traceback (most recent call last): 
    39382 File
    39383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39384 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39385 return self._func(self._name, data) 
    39386 File
    39387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39388 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39389 if v.display: 
    39390 File
    39391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39392 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39393 return self._any_displayed_positions and len(self._positions) > 0 
    39394 TypeError: object of type 'NoneType' has no len() 
    39395  
    39396 During handling of the above exception, another exception occurred: 
    39397  
    39398 Traceback (most recent call last): 
    39399 File
    39400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39401 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39402 if not self.draw_new_frame(): 
    39403 File
    39404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39405 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39406 changed = view.check_for_drawing_change() 
    39407 File
    39408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39409 packages/chimerax/core/graphics/view.py", line 252, in
    39410 check_for_drawing_change 
    39411 trig.activate_trigger('graphics update', self) 
    39412 File
    39413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39414 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39415 trigger.activate(data) 
    39416 File
    39417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39418 packages/chimerax/core/triggerset.py", line 190, in activate 
    39419 ret = handler.invoke(data, self._remove_bad_handlers) 
    39420 File
    39421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39422 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39423 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39424 File
    39425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39426 packages/chimerax/core/session.py", line 943, in <lambda> 
    39427 logger.report_exception(preface=preface)) 
    39428 File
    39429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39430 packages/chimerax/core/logger.py", line 421, in report_exception 
    39431 elif probably_chimera1_session(exc_info): 
    39432 File
    39433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39434 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39435 etype, evalue, etraceback = exc_info 
    39436 TypeError: cannot unpack non-iterable NoneType object 
    39437  
    39438 TypeError: cannot unpack non-iterable NoneType object 
    39439  
    39440 File
    39441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39442 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39443 etype, evalue, etraceback = exc_info 
    39444  
    39445 See log for complete Python traceback. 
    39446  
    39447 Traceback (most recent call last): 
    39448 File
    39449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39450 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39451 return self._func(self._name, data) 
    39452 File
    39453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39454 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39455 if v.display: 
    39456 File
    39457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39458 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39459 return self._any_displayed_positions and len(self._positions) > 0 
    39460 TypeError: object of type 'NoneType' has no len() 
    39461  
    39462 During handling of the above exception, another exception occurred: 
    39463  
    39464 Traceback (most recent call last): 
    39465 File
    39466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39467 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39468 if not self.draw_new_frame(): 
    39469 File
    39470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39471 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39472 changed = view.check_for_drawing_change() 
    39473 File
    39474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39475 packages/chimerax/core/graphics/view.py", line 252, in
    39476 check_for_drawing_change 
    39477 trig.activate_trigger('graphics update', self) 
    39478 File
    39479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39480 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39481 trigger.activate(data) 
    39482 File
    39483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39484 packages/chimerax/core/triggerset.py", line 190, in activate 
    39485 ret = handler.invoke(data, self._remove_bad_handlers) 
    39486 File
    39487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39488 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39489 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39490 File
    39491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39492 packages/chimerax/core/session.py", line 943, in <lambda> 
    39493 logger.report_exception(preface=preface)) 
    39494 File
    39495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39496 packages/chimerax/core/logger.py", line 421, in report_exception 
    39497 elif probably_chimera1_session(exc_info): 
    39498 File
    39499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39500 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39501 etype, evalue, etraceback = exc_info 
    39502 TypeError: cannot unpack non-iterable NoneType object 
    39503  
    39504 TypeError: cannot unpack non-iterable NoneType object 
    39505  
    39506 File
    39507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39508 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39509 etype, evalue, etraceback = exc_info 
    39510  
    39511 See log for complete Python traceback. 
    39512  
    39513 Traceback (most recent call last): 
    39514 File
    39515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39516 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39517 return self._func(self._name, data) 
    39518 File
    39519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39520 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39521 if v.display: 
    39522 File
    39523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39524 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39525 return self._any_displayed_positions and len(self._positions) > 0 
    39526 TypeError: object of type 'NoneType' has no len() 
    39527  
    39528 During handling of the above exception, another exception occurred: 
    39529  
    39530 Traceback (most recent call last): 
    39531 File
    39532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39533 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39534 if not self.draw_new_frame(): 
    39535 File
    39536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39537 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39538 changed = view.check_for_drawing_change() 
    39539 File
    39540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39541 packages/chimerax/core/graphics/view.py", line 252, in
    39542 check_for_drawing_change 
    39543 trig.activate_trigger('graphics update', self) 
    39544 File
    39545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39546 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39547 trigger.activate(data) 
    39548 File
    39549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39550 packages/chimerax/core/triggerset.py", line 190, in activate 
    39551 ret = handler.invoke(data, self._remove_bad_handlers) 
    39552 File
    39553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39554 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39555 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39556 File
    39557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39558 packages/chimerax/core/session.py", line 943, in <lambda> 
    39559 logger.report_exception(preface=preface)) 
    39560 File
    39561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39562 packages/chimerax/core/logger.py", line 421, in report_exception 
    39563 elif probably_chimera1_session(exc_info): 
    39564 File
    39565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39566 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39567 etype, evalue, etraceback = exc_info 
    39568 TypeError: cannot unpack non-iterable NoneType object 
    39569  
    39570 TypeError: cannot unpack non-iterable NoneType object 
    39571  
    39572 File
    39573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39574 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39575 etype, evalue, etraceback = exc_info 
    39576  
    39577 See log for complete Python traceback. 
    39578  
    39579 Traceback (most recent call last): 
    39580 File
    39581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39582 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39583 return self._func(self._name, data) 
    39584 File
    39585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39586 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39587 if v.display: 
    39588 File
    39589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39590 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39591 return self._any_displayed_positions and len(self._positions) > 0 
    39592 TypeError: object of type 'NoneType' has no len() 
    39593  
    39594 During handling of the above exception, another exception occurred: 
    39595  
    39596 Traceback (most recent call last): 
    39597 File
    39598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39599 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39600 if not self.draw_new_frame(): 
    39601 File
    39602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39603 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39604 changed = view.check_for_drawing_change() 
    39605 File
    39606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39607 packages/chimerax/core/graphics/view.py", line 252, in
    39608 check_for_drawing_change 
    39609 trig.activate_trigger('graphics update', self) 
    39610 File
    39611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39612 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39613 trigger.activate(data) 
    39614 File
    39615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39616 packages/chimerax/core/triggerset.py", line 190, in activate 
    39617 ret = handler.invoke(data, self._remove_bad_handlers) 
    39618 File
    39619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39620 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39621 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39622 File
    39623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39624 packages/chimerax/core/session.py", line 943, in <lambda> 
    39625 logger.report_exception(preface=preface)) 
    39626 File
    39627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39628 packages/chimerax/core/logger.py", line 421, in report_exception 
    39629 elif probably_chimera1_session(exc_info): 
    39630 File
    39631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39632 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39633 etype, evalue, etraceback = exc_info 
    39634 TypeError: cannot unpack non-iterable NoneType object 
    39635  
    39636 TypeError: cannot unpack non-iterable NoneType object 
    39637  
    39638 File
    39639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39640 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39641 etype, evalue, etraceback = exc_info 
    39642  
    39643 See log for complete Python traceback. 
    39644  
    39645 Traceback (most recent call last): 
    39646 File
    39647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39648 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39649 return self._func(self._name, data) 
    39650 File
    39651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39652 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39653 if v.display: 
    39654 File
    39655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39656 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39657 return self._any_displayed_positions and len(self._positions) > 0 
    39658 TypeError: object of type 'NoneType' has no len() 
    39659  
    39660 During handling of the above exception, another exception occurred: 
    39661  
    39662 Traceback (most recent call last): 
    39663 File
    39664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39665 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39666 if not self.draw_new_frame(): 
    39667 File
    39668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39669 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39670 changed = view.check_for_drawing_change() 
    39671 File
    39672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39673 packages/chimerax/core/graphics/view.py", line 252, in
    39674 check_for_drawing_change 
    39675 trig.activate_trigger('graphics update', self) 
    39676 File
    39677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39678 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39679 trigger.activate(data) 
    39680 File
    39681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39682 packages/chimerax/core/triggerset.py", line 190, in activate 
    39683 ret = handler.invoke(data, self._remove_bad_handlers) 
    39684 File
    39685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39686 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39687 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39688 File
    39689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39690 packages/chimerax/core/session.py", line 943, in <lambda> 
    39691 logger.report_exception(preface=preface)) 
    39692 File
    39693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39694 packages/chimerax/core/logger.py", line 421, in report_exception 
    39695 elif probably_chimera1_session(exc_info): 
    39696 File
    39697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39698 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39699 etype, evalue, etraceback = exc_info 
    39700 TypeError: cannot unpack non-iterable NoneType object 
    39701  
    39702 TypeError: cannot unpack non-iterable NoneType object 
    39703  
    39704 File
    39705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39706 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39707 etype, evalue, etraceback = exc_info 
    39708  
    39709 See log for complete Python traceback. 
    39710  
    39711 Traceback (most recent call last): 
    39712 File
    39713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39714 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39715 return self._func(self._name, data) 
    39716 File
    39717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39718 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39719 if v.display: 
    39720 File
    39721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39722 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39723 return self._any_displayed_positions and len(self._positions) > 0 
    39724 TypeError: object of type 'NoneType' has no len() 
    39725  
    39726 During handling of the above exception, another exception occurred: 
    39727  
    39728 Traceback (most recent call last): 
    39729 File
    39730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39731 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39732 if not self.draw_new_frame(): 
    39733 File
    39734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39735 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39736 changed = view.check_for_drawing_change() 
    39737 File
    39738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39739 packages/chimerax/core/graphics/view.py", line 252, in
    39740 check_for_drawing_change 
    39741 trig.activate_trigger('graphics update', self) 
    39742 File
    39743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39744 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39745 trigger.activate(data) 
    39746 File
    39747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39748 packages/chimerax/core/triggerset.py", line 190, in activate 
    39749 ret = handler.invoke(data, self._remove_bad_handlers) 
    39750 File
    39751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39752 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39753 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39754 File
    39755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39756 packages/chimerax/core/session.py", line 943, in <lambda> 
    39757 logger.report_exception(preface=preface)) 
    39758 File
    39759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39760 packages/chimerax/core/logger.py", line 421, in report_exception 
    39761 elif probably_chimera1_session(exc_info): 
    39762 File
    39763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39764 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39765 etype, evalue, etraceback = exc_info 
    39766 TypeError: cannot unpack non-iterable NoneType object 
    39767  
    39768 TypeError: cannot unpack non-iterable NoneType object 
    39769  
    39770 File
    39771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39772 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39773 etype, evalue, etraceback = exc_info 
    39774  
    39775 See log for complete Python traceback. 
    39776  
    39777 Traceback (most recent call last): 
    39778 File
    39779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39780 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39781 return self._func(self._name, data) 
    39782 File
    39783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39784 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39785 if v.display: 
    39786 File
    39787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39788 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39789 return self._any_displayed_positions and len(self._positions) > 0 
    39790 TypeError: object of type 'NoneType' has no len() 
    39791  
    39792 During handling of the above exception, another exception occurred: 
    39793  
    39794 Traceback (most recent call last): 
    39795 File
    39796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39797 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39798 if not self.draw_new_frame(): 
    39799 File
    39800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39801 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39802 changed = view.check_for_drawing_change() 
    39803 File
    39804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39805 packages/chimerax/core/graphics/view.py", line 252, in
    39806 check_for_drawing_change 
    39807 trig.activate_trigger('graphics update', self) 
    39808 File
    39809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39810 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39811 trigger.activate(data) 
    39812 File
    39813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39814 packages/chimerax/core/triggerset.py", line 190, in activate 
    39815 ret = handler.invoke(data, self._remove_bad_handlers) 
    39816 File
    39817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39818 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39819 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39820 File
    39821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39822 packages/chimerax/core/session.py", line 943, in <lambda> 
    39823 logger.report_exception(preface=preface)) 
    39824 File
    39825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39826 packages/chimerax/core/logger.py", line 421, in report_exception 
    39827 elif probably_chimera1_session(exc_info): 
    39828 File
    39829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39830 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39831 etype, evalue, etraceback = exc_info 
    39832 TypeError: cannot unpack non-iterable NoneType object 
    39833  
    39834 TypeError: cannot unpack non-iterable NoneType object 
    39835  
    39836 File
    39837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39838 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39839 etype, evalue, etraceback = exc_info 
    39840  
    39841 See log for complete Python traceback. 
    39842  
    39843 Traceback (most recent call last): 
    39844 File
    39845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39846 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39847 return self._func(self._name, data) 
    39848 File
    39849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39850 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39851 if v.display: 
    39852 File
    39853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39854 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39855 return self._any_displayed_positions and len(self._positions) > 0 
    39856 TypeError: object of type 'NoneType' has no len() 
    39857  
    39858 During handling of the above exception, another exception occurred: 
    39859  
    39860 Traceback (most recent call last): 
    39861 File
    39862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39863 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39864 if not self.draw_new_frame(): 
    39865 File
    39866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39867 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39868 changed = view.check_for_drawing_change() 
    39869 File
    39870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39871 packages/chimerax/core/graphics/view.py", line 252, in
    39872 check_for_drawing_change 
    39873 trig.activate_trigger('graphics update', self) 
    39874 File
    39875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39876 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39877 trigger.activate(data) 
    39878 File
    39879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39880 packages/chimerax/core/triggerset.py", line 190, in activate 
    39881 ret = handler.invoke(data, self._remove_bad_handlers) 
    39882 File
    39883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39884 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39885 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39886 File
    39887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39888 packages/chimerax/core/session.py", line 943, in <lambda> 
    39889 logger.report_exception(preface=preface)) 
    39890 File
    39891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39892 packages/chimerax/core/logger.py", line 421, in report_exception 
    39893 elif probably_chimera1_session(exc_info): 
    39894 File
    39895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39896 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39897 etype, evalue, etraceback = exc_info 
    39898 TypeError: cannot unpack non-iterable NoneType object 
    39899  
    39900 TypeError: cannot unpack non-iterable NoneType object 
    39901  
    39902 File
    39903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39904 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39905 etype, evalue, etraceback = exc_info 
    39906  
    39907 See log for complete Python traceback. 
    39908  
    39909 Traceback (most recent call last): 
    39910 File
    39911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39912 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39913 return self._func(self._name, data) 
    39914 File
    39915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39916 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39917 if v.display: 
    39918 File
    39919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39920 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39921 return self._any_displayed_positions and len(self._positions) > 0 
    39922 TypeError: object of type 'NoneType' has no len() 
    39923  
    39924 During handling of the above exception, another exception occurred: 
    39925  
    39926 Traceback (most recent call last): 
    39927 File
    39928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39929 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39930 if not self.draw_new_frame(): 
    39931 File
    39932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39933 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    39934 changed = view.check_for_drawing_change() 
    39935 File
    39936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39937 packages/chimerax/core/graphics/view.py", line 252, in
    39938 check_for_drawing_change 
    39939 trig.activate_trigger('graphics update', self) 
    39940 File
    39941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39942 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    39943 trigger.activate(data) 
    39944 File
    39945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39946 packages/chimerax/core/triggerset.py", line 190, in activate 
    39947 ret = handler.invoke(data, self._remove_bad_handlers) 
    39948 File
    39949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39950 packages/chimerax/core/triggerset.py", line 132, in invoke 
    39951 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    39952 File
    39953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39954 packages/chimerax/core/session.py", line 943, in <lambda> 
    39955 logger.report_exception(preface=preface)) 
    39956 File
    39957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39958 packages/chimerax/core/logger.py", line 421, in report_exception 
    39959 elif probably_chimera1_session(exc_info): 
    39960 File
    39961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39962 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39963 etype, evalue, etraceback = exc_info 
    39964 TypeError: cannot unpack non-iterable NoneType object 
    39965  
    39966 TypeError: cannot unpack non-iterable NoneType object 
    39967  
    39968 File
    39969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39970 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    39971 etype, evalue, etraceback = exc_info 
    39972  
    39973 See log for complete Python traceback. 
    39974  
    39975 Traceback (most recent call last): 
    39976 File
    39977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39978 packages/chimerax/core/triggerset.py", line 130, in invoke 
    39979 return self._func(self._name, data) 
    39980 File
    39981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39982 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    39983 if v.display: 
    39984 File
    39985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39986 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    39987 return self._any_displayed_positions and len(self._positions) > 0 
    39988 TypeError: object of type 'NoneType' has no len() 
    39989  
    39990 During handling of the above exception, another exception occurred: 
    39991  
    39992 Traceback (most recent call last): 
    39993 File
    39994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39995 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    39996 if not self.draw_new_frame(): 
    39997 File
    39998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    39999 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40000 changed = view.check_for_drawing_change() 
    40001 File
    40002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40003 packages/chimerax/core/graphics/view.py", line 252, in
    40004 check_for_drawing_change 
    40005 trig.activate_trigger('graphics update', self) 
    40006 File
    40007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40008 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40009 trigger.activate(data) 
    40010 File
    40011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40012 packages/chimerax/core/triggerset.py", line 190, in activate 
    40013 ret = handler.invoke(data, self._remove_bad_handlers) 
    40014 File
    40015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40016 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40017 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40018 File
    40019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40020 packages/chimerax/core/session.py", line 943, in <lambda> 
    40021 logger.report_exception(preface=preface)) 
    40022 File
    40023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40024 packages/chimerax/core/logger.py", line 421, in report_exception 
    40025 elif probably_chimera1_session(exc_info): 
    40026 File
    40027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40028 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40029 etype, evalue, etraceback = exc_info 
    40030 TypeError: cannot unpack non-iterable NoneType object 
    40031  
    40032 TypeError: cannot unpack non-iterable NoneType object 
    40033  
    40034 File
    40035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40036 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40037 etype, evalue, etraceback = exc_info 
    40038  
    40039 See log for complete Python traceback. 
    40040  
    40041 Traceback (most recent call last): 
    40042 File
    40043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40044 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40045 return self._func(self._name, data) 
    40046 File
    40047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40048 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40049 if v.display: 
    40050 File
    40051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40052 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40053 return self._any_displayed_positions and len(self._positions) > 0 
    40054 TypeError: object of type 'NoneType' has no len() 
    40055  
    40056 During handling of the above exception, another exception occurred: 
    40057  
    40058 Traceback (most recent call last): 
    40059 File
    40060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40061 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40062 if not self.draw_new_frame(): 
    40063 File
    40064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40065 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40066 changed = view.check_for_drawing_change() 
    40067 File
    40068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40069 packages/chimerax/core/graphics/view.py", line 252, in
    40070 check_for_drawing_change 
    40071 trig.activate_trigger('graphics update', self) 
    40072 File
    40073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40074 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40075 trigger.activate(data) 
    40076 File
    40077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40078 packages/chimerax/core/triggerset.py", line 190, in activate 
    40079 ret = handler.invoke(data, self._remove_bad_handlers) 
    40080 File
    40081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40082 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40083 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40084 File
    40085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40086 packages/chimerax/core/session.py", line 943, in <lambda> 
    40087 logger.report_exception(preface=preface)) 
    40088 File
    40089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40090 packages/chimerax/core/logger.py", line 421, in report_exception 
    40091 elif probably_chimera1_session(exc_info): 
    40092 File
    40093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40094 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40095 etype, evalue, etraceback = exc_info 
    40096 TypeError: cannot unpack non-iterable NoneType object 
    40097  
    40098 TypeError: cannot unpack non-iterable NoneType object 
    40099  
    40100 File
    40101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40102 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40103 etype, evalue, etraceback = exc_info 
    40104  
    40105 See log for complete Python traceback. 
    40106  
    40107 Traceback (most recent call last): 
    40108 File
    40109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40110 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40111 return self._func(self._name, data) 
    40112 File
    40113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40114 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40115 if v.display: 
    40116 File
    40117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40118 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40119 return self._any_displayed_positions and len(self._positions) > 0 
    40120 TypeError: object of type 'NoneType' has no len() 
    40121  
    40122 During handling of the above exception, another exception occurred: 
    40123  
    40124 Traceback (most recent call last): 
    40125 File
    40126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40127 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40128 if not self.draw_new_frame(): 
    40129 File
    40130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40131 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40132 changed = view.check_for_drawing_change() 
    40133 File
    40134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40135 packages/chimerax/core/graphics/view.py", line 252, in
    40136 check_for_drawing_change 
    40137 trig.activate_trigger('graphics update', self) 
    40138 File
    40139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40140 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40141 trigger.activate(data) 
    40142 File
    40143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40144 packages/chimerax/core/triggerset.py", line 190, in activate 
    40145 ret = handler.invoke(data, self._remove_bad_handlers) 
    40146 File
    40147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40148 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40149 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40150 File
    40151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40152 packages/chimerax/core/session.py", line 943, in <lambda> 
    40153 logger.report_exception(preface=preface)) 
    40154 File
    40155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40156 packages/chimerax/core/logger.py", line 421, in report_exception 
    40157 elif probably_chimera1_session(exc_info): 
    40158 File
    40159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40160 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40161 etype, evalue, etraceback = exc_info 
    40162 TypeError: cannot unpack non-iterable NoneType object 
    40163  
    40164 TypeError: cannot unpack non-iterable NoneType object 
    40165  
    40166 File
    40167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40168 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40169 etype, evalue, etraceback = exc_info 
    40170  
    40171 See log for complete Python traceback. 
    40172  
    40173 Traceback (most recent call last): 
    40174 File
    40175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40176 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40177 return self._func(self._name, data) 
    40178 File
    40179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40180 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40181 if v.display: 
    40182 File
    40183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40184 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40185 return self._any_displayed_positions and len(self._positions) > 0 
    40186 TypeError: object of type 'NoneType' has no len() 
    40187  
    40188 During handling of the above exception, another exception occurred: 
    40189  
    40190 Traceback (most recent call last): 
    40191 File
    40192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40193 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40194 if not self.draw_new_frame(): 
    40195 File
    40196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40197 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40198 changed = view.check_for_drawing_change() 
    40199 File
    40200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40201 packages/chimerax/core/graphics/view.py", line 252, in
    40202 check_for_drawing_change 
    40203 trig.activate_trigger('graphics update', self) 
    40204 File
    40205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40206 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40207 trigger.activate(data) 
    40208 File
    40209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40210 packages/chimerax/core/triggerset.py", line 190, in activate 
    40211 ret = handler.invoke(data, self._remove_bad_handlers) 
    40212 File
    40213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40214 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40215 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40216 File
    40217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40218 packages/chimerax/core/session.py", line 943, in <lambda> 
    40219 logger.report_exception(preface=preface)) 
    40220 File
    40221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40222 packages/chimerax/core/logger.py", line 421, in report_exception 
    40223 elif probably_chimera1_session(exc_info): 
    40224 File
    40225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40226 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40227 etype, evalue, etraceback = exc_info 
    40228 TypeError: cannot unpack non-iterable NoneType object 
    40229  
    40230 TypeError: cannot unpack non-iterable NoneType object 
    40231  
    40232 File
    40233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40234 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40235 etype, evalue, etraceback = exc_info 
    40236  
    40237 See log for complete Python traceback. 
    40238  
    40239 Traceback (most recent call last): 
    40240 File
    40241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40242 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40243 return self._func(self._name, data) 
    40244 File
    40245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40246 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40247 if v.display: 
    40248 File
    40249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40250 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40251 return self._any_displayed_positions and len(self._positions) > 0 
    40252 TypeError: object of type 'NoneType' has no len() 
    40253  
    40254 During handling of the above exception, another exception occurred: 
    40255  
    40256 Traceback (most recent call last): 
    40257 File
    40258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40259 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40260 if not self.draw_new_frame(): 
    40261 File
    40262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40263 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40264 changed = view.check_for_drawing_change() 
    40265 File
    40266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40267 packages/chimerax/core/graphics/view.py", line 252, in
    40268 check_for_drawing_change 
    40269 trig.activate_trigger('graphics update', self) 
    40270 File
    40271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40272 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40273 trigger.activate(data) 
    40274 File
    40275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40276 packages/chimerax/core/triggerset.py", line 190, in activate 
    40277 ret = handler.invoke(data, self._remove_bad_handlers) 
    40278 File
    40279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40280 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40281 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40282 File
    40283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40284 packages/chimerax/core/session.py", line 943, in <lambda> 
    40285 logger.report_exception(preface=preface)) 
    40286 File
    40287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40288 packages/chimerax/core/logger.py", line 421, in report_exception 
    40289 elif probably_chimera1_session(exc_info): 
    40290 File
    40291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40292 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40293 etype, evalue, etraceback = exc_info 
    40294 TypeError: cannot unpack non-iterable NoneType object 
    40295  
    40296 TypeError: cannot unpack non-iterable NoneType object 
    40297  
    40298 File
    40299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40300 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40301 etype, evalue, etraceback = exc_info 
    40302  
    40303 See log for complete Python traceback. 
    40304  
    40305 Traceback (most recent call last): 
    40306 File
    40307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40308 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40309 return self._func(self._name, data) 
    40310 File
    40311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40312 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40313 if v.display: 
    40314 File
    40315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40316 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40317 return self._any_displayed_positions and len(self._positions) > 0 
    40318 TypeError: object of type 'NoneType' has no len() 
    40319  
    40320 During handling of the above exception, another exception occurred: 
    40321  
    40322 Traceback (most recent call last): 
    40323 File
    40324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40325 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40326 if not self.draw_new_frame(): 
    40327 File
    40328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40329 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40330 changed = view.check_for_drawing_change() 
    40331 File
    40332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40333 packages/chimerax/core/graphics/view.py", line 252, in
    40334 check_for_drawing_change 
    40335 trig.activate_trigger('graphics update', self) 
    40336 File
    40337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40338 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40339 trigger.activate(data) 
    40340 File
    40341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40342 packages/chimerax/core/triggerset.py", line 190, in activate 
    40343 ret = handler.invoke(data, self._remove_bad_handlers) 
    40344 File
    40345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40346 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40347 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40348 File
    40349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40350 packages/chimerax/core/session.py", line 943, in <lambda> 
    40351 logger.report_exception(preface=preface)) 
    40352 File
    40353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40354 packages/chimerax/core/logger.py", line 421, in report_exception 
    40355 elif probably_chimera1_session(exc_info): 
    40356 File
    40357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40358 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40359 etype, evalue, etraceback = exc_info 
    40360 TypeError: cannot unpack non-iterable NoneType object 
    40361  
    40362 TypeError: cannot unpack non-iterable NoneType object 
    40363  
    40364 File
    40365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40366 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40367 etype, evalue, etraceback = exc_info 
    40368  
    40369 See log for complete Python traceback. 
    40370  
    40371 Traceback (most recent call last): 
    40372 File
    40373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40374 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40375 return self._func(self._name, data) 
    40376 File
    40377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40378 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40379 if v.display: 
    40380 File
    40381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40382 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40383 return self._any_displayed_positions and len(self._positions) > 0 
    40384 TypeError: object of type 'NoneType' has no len() 
    40385  
    40386 During handling of the above exception, another exception occurred: 
    40387  
    40388 Traceback (most recent call last): 
    40389 File
    40390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40391 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40392 if not self.draw_new_frame(): 
    40393 File
    40394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40395 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40396 changed = view.check_for_drawing_change() 
    40397 File
    40398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40399 packages/chimerax/core/graphics/view.py", line 252, in
    40400 check_for_drawing_change 
    40401 trig.activate_trigger('graphics update', self) 
    40402 File
    40403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40404 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40405 trigger.activate(data) 
    40406 File
    40407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40408 packages/chimerax/core/triggerset.py", line 190, in activate 
    40409 ret = handler.invoke(data, self._remove_bad_handlers) 
    40410 File
    40411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40412 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40413 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40414 File
    40415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40416 packages/chimerax/core/session.py", line 943, in <lambda> 
    40417 logger.report_exception(preface=preface)) 
    40418 File
    40419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40420 packages/chimerax/core/logger.py", line 421, in report_exception 
    40421 elif probably_chimera1_session(exc_info): 
    40422 File
    40423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40424 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40425 etype, evalue, etraceback = exc_info 
    40426 TypeError: cannot unpack non-iterable NoneType object 
    40427  
    40428 TypeError: cannot unpack non-iterable NoneType object 
    40429  
    40430 File
    40431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40432 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40433 etype, evalue, etraceback = exc_info 
    40434  
    40435 See log for complete Python traceback. 
    40436  
    40437 Traceback (most recent call last): 
    40438 File
    40439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40440 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40441 return self._func(self._name, data) 
    40442 File
    40443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40444 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40445 if v.display: 
    40446 File
    40447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40448 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40449 return self._any_displayed_positions and len(self._positions) > 0 
    40450 TypeError: object of type 'NoneType' has no len() 
    40451  
    40452 During handling of the above exception, another exception occurred: 
    40453  
    40454 Traceback (most recent call last): 
    40455 File
    40456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40457 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40458 if not self.draw_new_frame(): 
    40459 File
    40460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40461 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40462 changed = view.check_for_drawing_change() 
    40463 File
    40464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40465 packages/chimerax/core/graphics/view.py", line 252, in
    40466 check_for_drawing_change 
    40467 trig.activate_trigger('graphics update', self) 
    40468 File
    40469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40470 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40471 trigger.activate(data) 
    40472 File
    40473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40474 packages/chimerax/core/triggerset.py", line 190, in activate 
    40475 ret = handler.invoke(data, self._remove_bad_handlers) 
    40476 File
    40477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40478 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40479 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40480 File
    40481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40482 packages/chimerax/core/session.py", line 943, in <lambda> 
    40483 logger.report_exception(preface=preface)) 
    40484 File
    40485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40486 packages/chimerax/core/logger.py", line 421, in report_exception 
    40487 elif probably_chimera1_session(exc_info): 
    40488 File
    40489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40490 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40491 etype, evalue, etraceback = exc_info 
    40492 TypeError: cannot unpack non-iterable NoneType object 
    40493  
    40494 TypeError: cannot unpack non-iterable NoneType object 
    40495  
    40496 File
    40497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40498 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40499 etype, evalue, etraceback = exc_info 
    40500  
    40501 See log for complete Python traceback. 
    40502  
    40503 Traceback (most recent call last): 
    40504 File
    40505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40506 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40507 return self._func(self._name, data) 
    40508 File
    40509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40510 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40511 if v.display: 
    40512 File
    40513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40514 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40515 return self._any_displayed_positions and len(self._positions) > 0 
    40516 TypeError: object of type 'NoneType' has no len() 
    40517  
    40518 During handling of the above exception, another exception occurred: 
    40519  
    40520 Traceback (most recent call last): 
    40521 File
    40522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40523 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40524 if not self.draw_new_frame(): 
    40525 File
    40526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40527 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40528 changed = view.check_for_drawing_change() 
    40529 File
    40530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40531 packages/chimerax/core/graphics/view.py", line 252, in
    40532 check_for_drawing_change 
    40533 trig.activate_trigger('graphics update', self) 
    40534 File
    40535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40536 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40537 trigger.activate(data) 
    40538 File
    40539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40540 packages/chimerax/core/triggerset.py", line 190, in activate 
    40541 ret = handler.invoke(data, self._remove_bad_handlers) 
    40542 File
    40543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40544 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40545 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40546 File
    40547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40548 packages/chimerax/core/session.py", line 943, in <lambda> 
    40549 logger.report_exception(preface=preface)) 
    40550 File
    40551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40552 packages/chimerax/core/logger.py", line 421, in report_exception 
    40553 elif probably_chimera1_session(exc_info): 
    40554 File
    40555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40556 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40557 etype, evalue, etraceback = exc_info 
    40558 TypeError: cannot unpack non-iterable NoneType object 
    40559  
    40560 TypeError: cannot unpack non-iterable NoneType object 
    40561  
    40562 File
    40563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40564 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40565 etype, evalue, etraceback = exc_info 
    40566  
    40567 See log for complete Python traceback. 
    40568  
    40569 Traceback (most recent call last): 
    40570 File
    40571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40572 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40573 return self._func(self._name, data) 
    40574 File
    40575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40576 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40577 if v.display: 
    40578 File
    40579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40580 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40581 return self._any_displayed_positions and len(self._positions) > 0 
    40582 TypeError: object of type 'NoneType' has no len() 
    40583  
    40584 During handling of the above exception, another exception occurred: 
    40585  
    40586 Traceback (most recent call last): 
    40587 File
    40588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40589 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40590 if not self.draw_new_frame(): 
    40591 File
    40592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40593 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40594 changed = view.check_for_drawing_change() 
    40595 File
    40596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40597 packages/chimerax/core/graphics/view.py", line 252, in
    40598 check_for_drawing_change 
    40599 trig.activate_trigger('graphics update', self) 
    40600 File
    40601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40602 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40603 trigger.activate(data) 
    40604 File
    40605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40606 packages/chimerax/core/triggerset.py", line 190, in activate 
    40607 ret = handler.invoke(data, self._remove_bad_handlers) 
    40608 File
    40609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40610 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40611 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40612 File
    40613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40614 packages/chimerax/core/session.py", line 943, in <lambda> 
    40615 logger.report_exception(preface=preface)) 
    40616 File
    40617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40618 packages/chimerax/core/logger.py", line 421, in report_exception 
    40619 elif probably_chimera1_session(exc_info): 
    40620 File
    40621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40622 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40623 etype, evalue, etraceback = exc_info 
    40624 TypeError: cannot unpack non-iterable NoneType object 
    40625  
    40626 TypeError: cannot unpack non-iterable NoneType object 
    40627  
    40628 File
    40629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40630 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40631 etype, evalue, etraceback = exc_info 
    40632  
    40633 See log for complete Python traceback. 
    40634  
    40635 Traceback (most recent call last): 
    40636 File
    40637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40638 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40639 return self._func(self._name, data) 
    40640 File
    40641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40642 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40643 if v.display: 
    40644 File
    40645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40646 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40647 return self._any_displayed_positions and len(self._positions) > 0 
    40648 TypeError: object of type 'NoneType' has no len() 
    40649  
    40650 During handling of the above exception, another exception occurred: 
    40651  
    40652 Traceback (most recent call last): 
    40653 File
    40654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40655 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40656 if not self.draw_new_frame(): 
    40657 File
    40658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40659 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40660 changed = view.check_for_drawing_change() 
    40661 File
    40662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40663 packages/chimerax/core/graphics/view.py", line 252, in
    40664 check_for_drawing_change 
    40665 trig.activate_trigger('graphics update', self) 
    40666 File
    40667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40668 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40669 trigger.activate(data) 
    40670 File
    40671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40672 packages/chimerax/core/triggerset.py", line 190, in activate 
    40673 ret = handler.invoke(data, self._remove_bad_handlers) 
    40674 File
    40675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40676 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40677 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40678 File
    40679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40680 packages/chimerax/core/session.py", line 943, in <lambda> 
    40681 logger.report_exception(preface=preface)) 
    40682 File
    40683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40684 packages/chimerax/core/logger.py", line 421, in report_exception 
    40685 elif probably_chimera1_session(exc_info): 
    40686 File
    40687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40688 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40689 etype, evalue, etraceback = exc_info 
    40690 TypeError: cannot unpack non-iterable NoneType object 
    40691  
    40692 TypeError: cannot unpack non-iterable NoneType object 
    40693  
    40694 File
    40695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40696 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40697 etype, evalue, etraceback = exc_info 
    40698  
    40699 See log for complete Python traceback. 
    40700  
    40701 Traceback (most recent call last): 
    40702 File
    40703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40704 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40705 return self._func(self._name, data) 
    40706 File
    40707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40708 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40709 if v.display: 
    40710 File
    40711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40712 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40713 return self._any_displayed_positions and len(self._positions) > 0 
    40714 TypeError: object of type 'NoneType' has no len() 
    40715  
    40716 During handling of the above exception, another exception occurred: 
    40717  
    40718 Traceback (most recent call last): 
    40719 File
    40720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40721 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40722 if not self.draw_new_frame(): 
    40723 File
    40724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40725 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40726 changed = view.check_for_drawing_change() 
    40727 File
    40728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40729 packages/chimerax/core/graphics/view.py", line 252, in
    40730 check_for_drawing_change 
    40731 trig.activate_trigger('graphics update', self) 
    40732 File
    40733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40734 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40735 trigger.activate(data) 
    40736 File
    40737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40738 packages/chimerax/core/triggerset.py", line 190, in activate 
    40739 ret = handler.invoke(data, self._remove_bad_handlers) 
    40740 File
    40741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40742 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40743 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40744 File
    40745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40746 packages/chimerax/core/session.py", line 943, in <lambda> 
    40747 logger.report_exception(preface=preface)) 
    40748 File
    40749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40750 packages/chimerax/core/logger.py", line 421, in report_exception 
    40751 elif probably_chimera1_session(exc_info): 
    40752 File
    40753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40754 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40755 etype, evalue, etraceback = exc_info 
    40756 TypeError: cannot unpack non-iterable NoneType object 
    40757  
    40758 TypeError: cannot unpack non-iterable NoneType object 
    40759  
    40760 File
    40761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40762 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40763 etype, evalue, etraceback = exc_info 
    40764  
    40765 See log for complete Python traceback. 
    40766  
    40767 Traceback (most recent call last): 
    40768 File
    40769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40770 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40771 return self._func(self._name, data) 
    40772 File
    40773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40774 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40775 if v.display: 
    40776 File
    40777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40778 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40779 return self._any_displayed_positions and len(self._positions) > 0 
    40780 TypeError: object of type 'NoneType' has no len() 
    40781  
    40782 During handling of the above exception, another exception occurred: 
    40783  
    40784 Traceback (most recent call last): 
    40785 File
    40786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40787 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40788 if not self.draw_new_frame(): 
    40789 File
    40790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40791 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40792 changed = view.check_for_drawing_change() 
    40793 File
    40794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40795 packages/chimerax/core/graphics/view.py", line 252, in
    40796 check_for_drawing_change 
    40797 trig.activate_trigger('graphics update', self) 
    40798 File
    40799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40800 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40801 trigger.activate(data) 
    40802 File
    40803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40804 packages/chimerax/core/triggerset.py", line 190, in activate 
    40805 ret = handler.invoke(data, self._remove_bad_handlers) 
    40806 File
    40807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40808 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40809 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40810 File
    40811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40812 packages/chimerax/core/session.py", line 943, in <lambda> 
    40813 logger.report_exception(preface=preface)) 
    40814 File
    40815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40816 packages/chimerax/core/logger.py", line 421, in report_exception 
    40817 elif probably_chimera1_session(exc_info): 
    40818 File
    40819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40820 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40821 etype, evalue, etraceback = exc_info 
    40822 TypeError: cannot unpack non-iterable NoneType object 
    40823  
    40824 TypeError: cannot unpack non-iterable NoneType object 
    40825  
    40826 File
    40827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40828 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40829 etype, evalue, etraceback = exc_info 
    40830  
    40831 See log for complete Python traceback. 
    40832  
    40833 Traceback (most recent call last): 
    40834 File
    40835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40836 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40837 return self._func(self._name, data) 
    40838 File
    40839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40840 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40841 if v.display: 
    40842 File
    40843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40844 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40845 return self._any_displayed_positions and len(self._positions) > 0 
    40846 TypeError: object of type 'NoneType' has no len() 
    40847  
    40848 During handling of the above exception, another exception occurred: 
    40849  
    40850 Traceback (most recent call last): 
    40851 File
    40852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40853 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40854 if not self.draw_new_frame(): 
    40855 File
    40856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40857 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40858 changed = view.check_for_drawing_change() 
    40859 File
    40860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40861 packages/chimerax/core/graphics/view.py", line 252, in
    40862 check_for_drawing_change 
    40863 trig.activate_trigger('graphics update', self) 
    40864 File
    40865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40866 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40867 trigger.activate(data) 
    40868 File
    40869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40870 packages/chimerax/core/triggerset.py", line 190, in activate 
    40871 ret = handler.invoke(data, self._remove_bad_handlers) 
    40872 File
    40873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40874 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40875 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40876 File
    40877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40878 packages/chimerax/core/session.py", line 943, in <lambda> 
    40879 logger.report_exception(preface=preface)) 
    40880 File
    40881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40882 packages/chimerax/core/logger.py", line 421, in report_exception 
    40883 elif probably_chimera1_session(exc_info): 
    40884 File
    40885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40886 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40887 etype, evalue, etraceback = exc_info 
    40888 TypeError: cannot unpack non-iterable NoneType object 
    40889  
    40890 TypeError: cannot unpack non-iterable NoneType object 
    40891  
    40892 File
    40893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40894 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40895 etype, evalue, etraceback = exc_info 
    40896  
    40897 See log for complete Python traceback. 
    40898  
    40899 Traceback (most recent call last): 
    40900 File
    40901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40902 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40903 return self._func(self._name, data) 
    40904 File
    40905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40906 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40907 if v.display: 
    40908 File
    40909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40910 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40911 return self._any_displayed_positions and len(self._positions) > 0 
    40912 TypeError: object of type 'NoneType' has no len() 
    40913  
    40914 During handling of the above exception, another exception occurred: 
    40915  
    40916 Traceback (most recent call last): 
    40917 File
    40918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40919 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40920 if not self.draw_new_frame(): 
    40921 File
    40922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40923 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40924 changed = view.check_for_drawing_change() 
    40925 File
    40926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40927 packages/chimerax/core/graphics/view.py", line 252, in
    40928 check_for_drawing_change 
    40929 trig.activate_trigger('graphics update', self) 
    40930 File
    40931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40932 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40933 trigger.activate(data) 
    40934 File
    40935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40936 packages/chimerax/core/triggerset.py", line 190, in activate 
    40937 ret = handler.invoke(data, self._remove_bad_handlers) 
    40938 File
    40939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40940 packages/chimerax/core/triggerset.py", line 132, in invoke 
    40941 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    40942 File
    40943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40944 packages/chimerax/core/session.py", line 943, in <lambda> 
    40945 logger.report_exception(preface=preface)) 
    40946 File
    40947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40948 packages/chimerax/core/logger.py", line 421, in report_exception 
    40949 elif probably_chimera1_session(exc_info): 
    40950 File
    40951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40952 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40953 etype, evalue, etraceback = exc_info 
    40954 TypeError: cannot unpack non-iterable NoneType object 
    40955  
    40956 TypeError: cannot unpack non-iterable NoneType object 
    40957  
    40958 File
    40959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40960 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    40961 etype, evalue, etraceback = exc_info 
    40962  
    40963 See log for complete Python traceback. 
    40964  
    40965 Traceback (most recent call last): 
    40966 File
    40967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    40969 return self._func(self._name, data) 
    40970 File
    40971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40972 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    40973 if v.display: 
    40974 File
    40975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40976 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    40977 return self._any_displayed_positions and len(self._positions) > 0 
    40978 TypeError: object of type 'NoneType' has no len() 
    40979  
    40980 During handling of the above exception, another exception occurred: 
    40981  
    40982 Traceback (most recent call last): 
    40983 File
    40984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40985 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    40986 if not self.draw_new_frame(): 
    40987 File
    40988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40989 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    40990 changed = view.check_for_drawing_change() 
    40991 File
    40992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40993 packages/chimerax/core/graphics/view.py", line 252, in
    40994 check_for_drawing_change 
    40995 trig.activate_trigger('graphics update', self) 
    40996 File
    40997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    40998 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    40999 trigger.activate(data) 
    41000 File
    41001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41002 packages/chimerax/core/triggerset.py", line 190, in activate 
    41003 ret = handler.invoke(data, self._remove_bad_handlers) 
    41004 File
    41005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41006 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41007 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41008 File
    41009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41010 packages/chimerax/core/session.py", line 943, in <lambda> 
    41011 logger.report_exception(preface=preface)) 
    41012 File
    41013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41014 packages/chimerax/core/logger.py", line 421, in report_exception 
    41015 elif probably_chimera1_session(exc_info): 
    41016 File
    41017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41018 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41019 etype, evalue, etraceback = exc_info 
    41020 TypeError: cannot unpack non-iterable NoneType object 
    41021  
    41022 TypeError: cannot unpack non-iterable NoneType object 
    41023  
    41024 File
    41025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41026 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41027 etype, evalue, etraceback = exc_info 
    41028  
    41029 See log for complete Python traceback. 
    41030  
    41031 Traceback (most recent call last): 
    41032 File
    41033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41034 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41035 return self._func(self._name, data) 
    41036 File
    41037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41038 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41039 if v.display: 
    41040 File
    41041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41042 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41043 return self._any_displayed_positions and len(self._positions) > 0 
    41044 TypeError: object of type 'NoneType' has no len() 
    41045  
    41046 During handling of the above exception, another exception occurred: 
    41047  
    41048 Traceback (most recent call last): 
    41049 File
    41050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41051 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41052 if not self.draw_new_frame(): 
    41053 File
    41054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41055 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41056 changed = view.check_for_drawing_change() 
    41057 File
    41058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41059 packages/chimerax/core/graphics/view.py", line 252, in
    41060 check_for_drawing_change 
    41061 trig.activate_trigger('graphics update', self) 
    41062 File
    41063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41064 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41065 trigger.activate(data) 
    41066 File
    41067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41068 packages/chimerax/core/triggerset.py", line 190, in activate 
    41069 ret = handler.invoke(data, self._remove_bad_handlers) 
    41070 File
    41071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41072 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41073 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41074 File
    41075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41076 packages/chimerax/core/session.py", line 943, in <lambda> 
    41077 logger.report_exception(preface=preface)) 
    41078 File
    41079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41080 packages/chimerax/core/logger.py", line 421, in report_exception 
    41081 elif probably_chimera1_session(exc_info): 
    41082 File
    41083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41084 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41085 etype, evalue, etraceback = exc_info 
    41086 TypeError: cannot unpack non-iterable NoneType object 
    41087  
    41088 TypeError: cannot unpack non-iterable NoneType object 
    41089  
    41090 File
    41091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41092 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41093 etype, evalue, etraceback = exc_info 
    41094  
    41095 See log for complete Python traceback. 
    41096  
    41097 Traceback (most recent call last): 
    41098 File
    41099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41100 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41101 return self._func(self._name, data) 
    41102 File
    41103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41104 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41105 if v.display: 
    41106 File
    41107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41108 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41109 return self._any_displayed_positions and len(self._positions) > 0 
    41110 TypeError: object of type 'NoneType' has no len() 
    41111  
    41112 During handling of the above exception, another exception occurred: 
    41113  
    41114 Traceback (most recent call last): 
    41115 File
    41116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41117 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41118 if not self.draw_new_frame(): 
    41119 File
    41120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41121 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41122 changed = view.check_for_drawing_change() 
    41123 File
    41124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41125 packages/chimerax/core/graphics/view.py", line 252, in
    41126 check_for_drawing_change 
    41127 trig.activate_trigger('graphics update', self) 
    41128 File
    41129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41130 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41131 trigger.activate(data) 
    41132 File
    41133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41134 packages/chimerax/core/triggerset.py", line 190, in activate 
    41135 ret = handler.invoke(data, self._remove_bad_handlers) 
    41136 File
    41137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41138 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41139 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41140 File
    41141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41142 packages/chimerax/core/session.py", line 943, in <lambda> 
    41143 logger.report_exception(preface=preface)) 
    41144 File
    41145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41146 packages/chimerax/core/logger.py", line 421, in report_exception 
    41147 elif probably_chimera1_session(exc_info): 
    41148 File
    41149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41150 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41151 etype, evalue, etraceback = exc_info 
    41152 TypeError: cannot unpack non-iterable NoneType object 
    41153  
    41154 TypeError: cannot unpack non-iterable NoneType object 
    41155  
    41156 File
    41157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41158 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41159 etype, evalue, etraceback = exc_info 
    41160  
    41161 See log for complete Python traceback. 
    41162  
    41163 Traceback (most recent call last): 
    41164 File
    41165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41166 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41167 return self._func(self._name, data) 
    41168 File
    41169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41170 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41171 if v.display: 
    41172 File
    41173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41174 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41175 return self._any_displayed_positions and len(self._positions) > 0 
    41176 TypeError: object of type 'NoneType' has no len() 
    41177  
    41178 During handling of the above exception, another exception occurred: 
    41179  
    41180 Traceback (most recent call last): 
    41181 File
    41182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41183 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41184 if not self.draw_new_frame(): 
    41185 File
    41186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41187 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41188 changed = view.check_for_drawing_change() 
    41189 File
    41190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41191 packages/chimerax/core/graphics/view.py", line 252, in
    41192 check_for_drawing_change 
    41193 trig.activate_trigger('graphics update', self) 
    41194 File
    41195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41196 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41197 trigger.activate(data) 
    41198 File
    41199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41200 packages/chimerax/core/triggerset.py", line 190, in activate 
    41201 ret = handler.invoke(data, self._remove_bad_handlers) 
    41202 File
    41203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41204 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41205 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41206 File
    41207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41208 packages/chimerax/core/session.py", line 943, in <lambda> 
    41209 logger.report_exception(preface=preface)) 
    41210 File
    41211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41212 packages/chimerax/core/logger.py", line 421, in report_exception 
    41213 elif probably_chimera1_session(exc_info): 
    41214 File
    41215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41216 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41217 etype, evalue, etraceback = exc_info 
    41218 TypeError: cannot unpack non-iterable NoneType object 
    41219  
    41220 TypeError: cannot unpack non-iterable NoneType object 
    41221  
    41222 File
    41223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41224 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41225 etype, evalue, etraceback = exc_info 
    41226  
    41227 See log for complete Python traceback. 
    41228  
    41229 Traceback (most recent call last): 
    41230 File
    41231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41232 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41233 return self._func(self._name, data) 
    41234 File
    41235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41236 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41237 if v.display: 
    41238 File
    41239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41240 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41241 return self._any_displayed_positions and len(self._positions) > 0 
    41242 TypeError: object of type 'NoneType' has no len() 
    41243  
    41244 During handling of the above exception, another exception occurred: 
    41245  
    41246 Traceback (most recent call last): 
    41247 File
    41248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41249 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41250 if not self.draw_new_frame(): 
    41251 File
    41252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41253 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41254 changed = view.check_for_drawing_change() 
    41255 File
    41256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41257 packages/chimerax/core/graphics/view.py", line 252, in
    41258 check_for_drawing_change 
    41259 trig.activate_trigger('graphics update', self) 
    41260 File
    41261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41262 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41263 trigger.activate(data) 
    41264 File
    41265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41266 packages/chimerax/core/triggerset.py", line 190, in activate 
    41267 ret = handler.invoke(data, self._remove_bad_handlers) 
    41268 File
    41269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41270 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41271 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41272 File
    41273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41274 packages/chimerax/core/session.py", line 943, in <lambda> 
    41275 logger.report_exception(preface=preface)) 
    41276 File
    41277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41278 packages/chimerax/core/logger.py", line 421, in report_exception 
    41279 elif probably_chimera1_session(exc_info): 
    41280 File
    41281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41282 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41283 etype, evalue, etraceback = exc_info 
    41284 TypeError: cannot unpack non-iterable NoneType object 
    41285  
    41286 TypeError: cannot unpack non-iterable NoneType object 
    41287  
    41288 File
    41289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41290 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41291 etype, evalue, etraceback = exc_info 
    41292  
    41293 See log for complete Python traceback. 
    41294  
    41295 Traceback (most recent call last): 
    41296 File
    41297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41298 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41299 return self._func(self._name, data) 
    41300 File
    41301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41302 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41303 if v.display: 
    41304 File
    41305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41306 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41307 return self._any_displayed_positions and len(self._positions) > 0 
    41308 TypeError: object of type 'NoneType' has no len() 
    41309  
    41310 During handling of the above exception, another exception occurred: 
    41311  
    41312 Traceback (most recent call last): 
    41313 File
    41314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41315 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41316 if not self.draw_new_frame(): 
    41317 File
    41318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41319 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41320 changed = view.check_for_drawing_change() 
    41321 File
    41322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41323 packages/chimerax/core/graphics/view.py", line 252, in
    41324 check_for_drawing_change 
    41325 trig.activate_trigger('graphics update', self) 
    41326 File
    41327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41328 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41329 trigger.activate(data) 
    41330 File
    41331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41332 packages/chimerax/core/triggerset.py", line 190, in activate 
    41333 ret = handler.invoke(data, self._remove_bad_handlers) 
    41334 File
    41335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41336 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41337 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41338 File
    41339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41340 packages/chimerax/core/session.py", line 943, in <lambda> 
    41341 logger.report_exception(preface=preface)) 
    41342 File
    41343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41344 packages/chimerax/core/logger.py", line 421, in report_exception 
    41345 elif probably_chimera1_session(exc_info): 
    41346 File
    41347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41348 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41349 etype, evalue, etraceback = exc_info 
    41350 TypeError: cannot unpack non-iterable NoneType object 
    41351  
    41352 TypeError: cannot unpack non-iterable NoneType object 
    41353  
    41354 File
    41355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41356 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41357 etype, evalue, etraceback = exc_info 
    41358  
    41359 See log for complete Python traceback. 
    41360  
    41361 Traceback (most recent call last): 
    41362 File
    41363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41364 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41365 return self._func(self._name, data) 
    41366 File
    41367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41368 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41369 if v.display: 
    41370 File
    41371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41372 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41373 return self._any_displayed_positions and len(self._positions) > 0 
    41374 TypeError: object of type 'NoneType' has no len() 
    41375  
    41376 During handling of the above exception, another exception occurred: 
    41377  
    41378 Traceback (most recent call last): 
    41379 File
    41380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41381 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41382 if not self.draw_new_frame(): 
    41383 File
    41384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41385 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41386 changed = view.check_for_drawing_change() 
    41387 File
    41388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41389 packages/chimerax/core/graphics/view.py", line 252, in
    41390 check_for_drawing_change 
    41391 trig.activate_trigger('graphics update', self) 
    41392 File
    41393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41394 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41395 trigger.activate(data) 
    41396 File
    41397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41398 packages/chimerax/core/triggerset.py", line 190, in activate 
    41399 ret = handler.invoke(data, self._remove_bad_handlers) 
    41400 File
    41401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41402 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41403 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41404 File
    41405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41406 packages/chimerax/core/session.py", line 943, in <lambda> 
    41407 logger.report_exception(preface=preface)) 
    41408 File
    41409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41410 packages/chimerax/core/logger.py", line 421, in report_exception 
    41411 elif probably_chimera1_session(exc_info): 
    41412 File
    41413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41414 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41415 etype, evalue, etraceback = exc_info 
    41416 TypeError: cannot unpack non-iterable NoneType object 
    41417  
    41418 TypeError: cannot unpack non-iterable NoneType object 
    41419  
    41420 File
    41421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41422 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41423 etype, evalue, etraceback = exc_info 
    41424  
    41425 See log for complete Python traceback. 
    41426  
    41427 Traceback (most recent call last): 
    41428 File
    41429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41430 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41431 return self._func(self._name, data) 
    41432 File
    41433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41434 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41435 if v.display: 
    41436 File
    41437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41438 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41439 return self._any_displayed_positions and len(self._positions) > 0 
    41440 TypeError: object of type 'NoneType' has no len() 
    41441  
    41442 During handling of the above exception, another exception occurred: 
    41443  
    41444 Traceback (most recent call last): 
    41445 File
    41446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41447 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41448 if not self.draw_new_frame(): 
    41449 File
    41450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41451 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41452 changed = view.check_for_drawing_change() 
    41453 File
    41454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41455 packages/chimerax/core/graphics/view.py", line 252, in
    41456 check_for_drawing_change 
    41457 trig.activate_trigger('graphics update', self) 
    41458 File
    41459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41460 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41461 trigger.activate(data) 
    41462 File
    41463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41464 packages/chimerax/core/triggerset.py", line 190, in activate 
    41465 ret = handler.invoke(data, self._remove_bad_handlers) 
    41466 File
    41467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41468 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41469 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41470 File
    41471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41472 packages/chimerax/core/session.py", line 943, in <lambda> 
    41473 logger.report_exception(preface=preface)) 
    41474 File
    41475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41476 packages/chimerax/core/logger.py", line 421, in report_exception 
    41477 elif probably_chimera1_session(exc_info): 
    41478 File
    41479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41480 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41481 etype, evalue, etraceback = exc_info 
    41482 TypeError: cannot unpack non-iterable NoneType object 
    41483  
    41484 TypeError: cannot unpack non-iterable NoneType object 
    41485  
    41486 File
    41487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41488 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41489 etype, evalue, etraceback = exc_info 
    41490  
    41491 See log for complete Python traceback. 
    41492  
    41493 Traceback (most recent call last): 
    41494 File
    41495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41496 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41497 return self._func(self._name, data) 
    41498 File
    41499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41500 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41501 if v.display: 
    41502 File
    41503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41504 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41505 return self._any_displayed_positions and len(self._positions) > 0 
    41506 TypeError: object of type 'NoneType' has no len() 
    41507  
    41508 During handling of the above exception, another exception occurred: 
    41509  
    41510 Traceback (most recent call last): 
    41511 File
    41512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41513 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41514 if not self.draw_new_frame(): 
    41515 File
    41516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41517 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41518 changed = view.check_for_drawing_change() 
    41519 File
    41520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41521 packages/chimerax/core/graphics/view.py", line 252, in
    41522 check_for_drawing_change 
    41523 trig.activate_trigger('graphics update', self) 
    41524 File
    41525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41526 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41527 trigger.activate(data) 
    41528 File
    41529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41530 packages/chimerax/core/triggerset.py", line 190, in activate 
    41531 ret = handler.invoke(data, self._remove_bad_handlers) 
    41532 File
    41533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41534 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41535 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41536 File
    41537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41538 packages/chimerax/core/session.py", line 943, in <lambda> 
    41539 logger.report_exception(preface=preface)) 
    41540 File
    41541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41542 packages/chimerax/core/logger.py", line 421, in report_exception 
    41543 elif probably_chimera1_session(exc_info): 
    41544 File
    41545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41546 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41547 etype, evalue, etraceback = exc_info 
    41548 TypeError: cannot unpack non-iterable NoneType object 
    41549  
    41550 TypeError: cannot unpack non-iterable NoneType object 
    41551  
    41552 File
    41553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41554 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41555 etype, evalue, etraceback = exc_info 
    41556  
    41557 See log for complete Python traceback. 
    41558  
    41559 Traceback (most recent call last): 
    41560 File
    41561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41562 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41563 return self._func(self._name, data) 
    41564 File
    41565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41566 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41567 if v.display: 
    41568 File
    41569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41570 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41571 return self._any_displayed_positions and len(self._positions) > 0 
    41572 TypeError: object of type 'NoneType' has no len() 
    41573  
    41574 During handling of the above exception, another exception occurred: 
    41575  
    41576 Traceback (most recent call last): 
    41577 File
    41578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41579 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41580 if not self.draw_new_frame(): 
    41581 File
    41582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41583 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41584 changed = view.check_for_drawing_change() 
    41585 File
    41586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41587 packages/chimerax/core/graphics/view.py", line 252, in
    41588 check_for_drawing_change 
    41589 trig.activate_trigger('graphics update', self) 
    41590 File
    41591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41592 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41593 trigger.activate(data) 
    41594 File
    41595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41596 packages/chimerax/core/triggerset.py", line 190, in activate 
    41597 ret = handler.invoke(data, self._remove_bad_handlers) 
    41598 File
    41599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41600 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41601 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41602 File
    41603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41604 packages/chimerax/core/session.py", line 943, in <lambda> 
    41605 logger.report_exception(preface=preface)) 
    41606 File
    41607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41608 packages/chimerax/core/logger.py", line 421, in report_exception 
    41609 elif probably_chimera1_session(exc_info): 
    41610 File
    41611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41612 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41613 etype, evalue, etraceback = exc_info 
    41614 TypeError: cannot unpack non-iterable NoneType object 
    41615  
    41616 TypeError: cannot unpack non-iterable NoneType object 
    41617  
    41618 File
    41619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41620 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41621 etype, evalue, etraceback = exc_info 
    41622  
    41623 See log for complete Python traceback. 
    41624  
    41625 Traceback (most recent call last): 
    41626 File
    41627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41628 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41629 return self._func(self._name, data) 
    41630 File
    41631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41632 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41633 if v.display: 
    41634 File
    41635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41636 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41637 return self._any_displayed_positions and len(self._positions) > 0 
    41638 TypeError: object of type 'NoneType' has no len() 
    41639  
    41640 During handling of the above exception, another exception occurred: 
    41641  
    41642 Traceback (most recent call last): 
    41643 File
    41644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41645 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41646 if not self.draw_new_frame(): 
    41647 File
    41648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41649 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41650 changed = view.check_for_drawing_change() 
    41651 File
    41652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41653 packages/chimerax/core/graphics/view.py", line 252, in
    41654 check_for_drawing_change 
    41655 trig.activate_trigger('graphics update', self) 
    41656 File
    41657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41658 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41659 trigger.activate(data) 
    41660 File
    41661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41662 packages/chimerax/core/triggerset.py", line 190, in activate 
    41663 ret = handler.invoke(data, self._remove_bad_handlers) 
    41664 File
    41665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41666 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41667 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41668 File
    41669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41670 packages/chimerax/core/session.py", line 943, in <lambda> 
    41671 logger.report_exception(preface=preface)) 
    41672 File
    41673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41674 packages/chimerax/core/logger.py", line 421, in report_exception 
    41675 elif probably_chimera1_session(exc_info): 
    41676 File
    41677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41678 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41679 etype, evalue, etraceback = exc_info 
    41680 TypeError: cannot unpack non-iterable NoneType object 
    41681  
    41682 TypeError: cannot unpack non-iterable NoneType object 
    41683  
    41684 File
    41685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41686 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41687 etype, evalue, etraceback = exc_info 
    41688  
    41689 See log for complete Python traceback. 
    41690  
    41691 Traceback (most recent call last): 
    41692 File
    41693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41694 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41695 return self._func(self._name, data) 
    41696 File
    41697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41698 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41699 if v.display: 
    41700 File
    41701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41702 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41703 return self._any_displayed_positions and len(self._positions) > 0 
    41704 TypeError: object of type 'NoneType' has no len() 
    41705  
    41706 During handling of the above exception, another exception occurred: 
    41707  
    41708 Traceback (most recent call last): 
    41709 File
    41710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41711 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41712 if not self.draw_new_frame(): 
    41713 File
    41714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41715 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41716 changed = view.check_for_drawing_change() 
    41717 File
    41718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41719 packages/chimerax/core/graphics/view.py", line 252, in
    41720 check_for_drawing_change 
    41721 trig.activate_trigger('graphics update', self) 
    41722 File
    41723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41724 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41725 trigger.activate(data) 
    41726 File
    41727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41728 packages/chimerax/core/triggerset.py", line 190, in activate 
    41729 ret = handler.invoke(data, self._remove_bad_handlers) 
    41730 File
    41731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41732 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41733 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41734 File
    41735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41736 packages/chimerax/core/session.py", line 943, in <lambda> 
    41737 logger.report_exception(preface=preface)) 
    41738 File
    41739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41740 packages/chimerax/core/logger.py", line 421, in report_exception 
    41741 elif probably_chimera1_session(exc_info): 
    41742 File
    41743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41744 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41745 etype, evalue, etraceback = exc_info 
    41746 TypeError: cannot unpack non-iterable NoneType object 
    41747  
    41748 TypeError: cannot unpack non-iterable NoneType object 
    41749  
    41750 File
    41751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41752 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41753 etype, evalue, etraceback = exc_info 
    41754  
    41755 See log for complete Python traceback. 
    41756  
    41757 Traceback (most recent call last): 
    41758 File
    41759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41760 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41761 return self._func(self._name, data) 
    41762 File
    41763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41764 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41765 if v.display: 
    41766 File
    41767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41768 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41769 return self._any_displayed_positions and len(self._positions) > 0 
    41770 TypeError: object of type 'NoneType' has no len() 
    41771  
    41772 During handling of the above exception, another exception occurred: 
    41773  
    41774 Traceback (most recent call last): 
    41775 File
    41776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41777 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41778 if not self.draw_new_frame(): 
    41779 File
    41780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41781 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41782 changed = view.check_for_drawing_change() 
    41783 File
    41784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41785 packages/chimerax/core/graphics/view.py", line 252, in
    41786 check_for_drawing_change 
    41787 trig.activate_trigger('graphics update', self) 
    41788 File
    41789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41790 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41791 trigger.activate(data) 
    41792 File
    41793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41794 packages/chimerax/core/triggerset.py", line 190, in activate 
    41795 ret = handler.invoke(data, self._remove_bad_handlers) 
    41796 File
    41797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41798 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41799 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41800 File
    41801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41802 packages/chimerax/core/session.py", line 943, in <lambda> 
    41803 logger.report_exception(preface=preface)) 
    41804 File
    41805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41806 packages/chimerax/core/logger.py", line 421, in report_exception 
    41807 elif probably_chimera1_session(exc_info): 
    41808 File
    41809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41810 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41811 etype, evalue, etraceback = exc_info 
    41812 TypeError: cannot unpack non-iterable NoneType object 
    41813  
    41814 TypeError: cannot unpack non-iterable NoneType object 
    41815  
    41816 File
    41817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41818 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41819 etype, evalue, etraceback = exc_info 
    41820  
    41821 See log for complete Python traceback. 
    41822  
    41823 Traceback (most recent call last): 
    41824 File
    41825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41826 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41827 return self._func(self._name, data) 
    41828 File
    41829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41830 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41831 if v.display: 
    41832 File
    41833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41834 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41835 return self._any_displayed_positions and len(self._positions) > 0 
    41836 TypeError: object of type 'NoneType' has no len() 
    41837  
    41838 During handling of the above exception, another exception occurred: 
    41839  
    41840 Traceback (most recent call last): 
    41841 File
    41842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41843 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41844 if not self.draw_new_frame(): 
    41845 File
    41846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41847 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41848 changed = view.check_for_drawing_change() 
    41849 File
    41850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41851 packages/chimerax/core/graphics/view.py", line 252, in
    41852 check_for_drawing_change 
    41853 trig.activate_trigger('graphics update', self) 
    41854 File
    41855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41856 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41857 trigger.activate(data) 
    41858 File
    41859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41860 packages/chimerax/core/triggerset.py", line 190, in activate 
    41861 ret = handler.invoke(data, self._remove_bad_handlers) 
    41862 File
    41863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41864 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41865 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41866 File
    41867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41868 packages/chimerax/core/session.py", line 943, in <lambda> 
    41869 logger.report_exception(preface=preface)) 
    41870 File
    41871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41872 packages/chimerax/core/logger.py", line 421, in report_exception 
    41873 elif probably_chimera1_session(exc_info): 
    41874 File
    41875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41876 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41877 etype, evalue, etraceback = exc_info 
    41878 TypeError: cannot unpack non-iterable NoneType object 
    41879  
    41880 TypeError: cannot unpack non-iterable NoneType object 
    41881  
    41882 File
    41883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41884 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41885 etype, evalue, etraceback = exc_info 
    41886  
    41887 See log for complete Python traceback. 
    41888  
    41889 Traceback (most recent call last): 
    41890 File
    41891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41892 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41893 return self._func(self._name, data) 
    41894 File
    41895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41896 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41897 if v.display: 
    41898 File
    41899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41900 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41901 return self._any_displayed_positions and len(self._positions) > 0 
    41902 TypeError: object of type 'NoneType' has no len() 
    41903  
    41904 During handling of the above exception, another exception occurred: 
    41905  
    41906 Traceback (most recent call last): 
    41907 File
    41908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41909 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41910 if not self.draw_new_frame(): 
    41911 File
    41912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41913 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41914 changed = view.check_for_drawing_change() 
    41915 File
    41916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41917 packages/chimerax/core/graphics/view.py", line 252, in
    41918 check_for_drawing_change 
    41919 trig.activate_trigger('graphics update', self) 
    41920 File
    41921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41922 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41923 trigger.activate(data) 
    41924 File
    41925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41926 packages/chimerax/core/triggerset.py", line 190, in activate 
    41927 ret = handler.invoke(data, self._remove_bad_handlers) 
    41928 File
    41929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41930 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41931 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41932 File
    41933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41934 packages/chimerax/core/session.py", line 943, in <lambda> 
    41935 logger.report_exception(preface=preface)) 
    41936 File
    41937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41938 packages/chimerax/core/logger.py", line 421, in report_exception 
    41939 elif probably_chimera1_session(exc_info): 
    41940 File
    41941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41942 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41943 etype, evalue, etraceback = exc_info 
    41944 TypeError: cannot unpack non-iterable NoneType object 
    41945  
    41946 TypeError: cannot unpack non-iterable NoneType object 
    41947  
    41948 File
    41949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41950 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    41951 etype, evalue, etraceback = exc_info 
    41952  
    41953 See log for complete Python traceback. 
    41954  
    41955 Traceback (most recent call last): 
    41956 File
    41957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41958 packages/chimerax/core/triggerset.py", line 130, in invoke 
    41959 return self._func(self._name, data) 
    41960 File
    41961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41962 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    41963 if v.display: 
    41964 File
    41965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41966 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    41967 return self._any_displayed_positions and len(self._positions) > 0 
    41968 TypeError: object of type 'NoneType' has no len() 
    41969  
    41970 During handling of the above exception, another exception occurred: 
    41971  
    41972 Traceback (most recent call last): 
    41973 File
    41974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41975 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    41976 if not self.draw_new_frame(): 
    41977 File
    41978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41979 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    41980 changed = view.check_for_drawing_change() 
    41981 File
    41982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41983 packages/chimerax/core/graphics/view.py", line 252, in
    41984 check_for_drawing_change 
    41985 trig.activate_trigger('graphics update', self) 
    41986 File
    41987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41988 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    41989 trigger.activate(data) 
    41990 File
    41991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41992 packages/chimerax/core/triggerset.py", line 190, in activate 
    41993 ret = handler.invoke(data, self._remove_bad_handlers) 
    41994 File
    41995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    41996 packages/chimerax/core/triggerset.py", line 132, in invoke 
    41997 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    41998 File
    41999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42000 packages/chimerax/core/session.py", line 943, in <lambda> 
    42001 logger.report_exception(preface=preface)) 
    42002 File
    42003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42004 packages/chimerax/core/logger.py", line 421, in report_exception 
    42005 elif probably_chimera1_session(exc_info): 
    42006 File
    42007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42008 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42009 etype, evalue, etraceback = exc_info 
    42010 TypeError: cannot unpack non-iterable NoneType object 
    42011  
    42012 TypeError: cannot unpack non-iterable NoneType object 
    42013  
    42014 File
    42015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42016 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42017 etype, evalue, etraceback = exc_info 
    42018  
    42019 See log for complete Python traceback. 
    42020  
    42021 Traceback (most recent call last): 
    42022 File
    42023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42024 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42025 return self._func(self._name, data) 
    42026 File
    42027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42028 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42029 if v.display: 
    42030 File
    42031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42032 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42033 return self._any_displayed_positions and len(self._positions) > 0 
    42034 TypeError: object of type 'NoneType' has no len() 
    42035  
    42036 During handling of the above exception, another exception occurred: 
    42037  
    42038 Traceback (most recent call last): 
    42039 File
    42040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42041 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42042 if not self.draw_new_frame(): 
    42043 File
    42044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42045 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42046 changed = view.check_for_drawing_change() 
    42047 File
    42048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42049 packages/chimerax/core/graphics/view.py", line 252, in
    42050 check_for_drawing_change 
    42051 trig.activate_trigger('graphics update', self) 
    42052 File
    42053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42054 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42055 trigger.activate(data) 
    42056 File
    42057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42058 packages/chimerax/core/triggerset.py", line 190, in activate 
    42059 ret = handler.invoke(data, self._remove_bad_handlers) 
    42060 File
    42061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42062 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42063 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42064 File
    42065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42066 packages/chimerax/core/session.py", line 943, in <lambda> 
    42067 logger.report_exception(preface=preface)) 
    42068 File
    42069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42070 packages/chimerax/core/logger.py", line 421, in report_exception 
    42071 elif probably_chimera1_session(exc_info): 
    42072 File
    42073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42074 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42075 etype, evalue, etraceback = exc_info 
    42076 TypeError: cannot unpack non-iterable NoneType object 
    42077  
    42078 TypeError: cannot unpack non-iterable NoneType object 
    42079  
    42080 File
    42081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42082 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42083 etype, evalue, etraceback = exc_info 
    42084  
    42085 See log for complete Python traceback. 
    42086  
    42087 Traceback (most recent call last): 
    42088 File
    42089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42090 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42091 return self._func(self._name, data) 
    42092 File
    42093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42094 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42095 if v.display: 
    42096 File
    42097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42098 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42099 return self._any_displayed_positions and len(self._positions) > 0 
    42100 TypeError: object of type 'NoneType' has no len() 
    42101  
    42102 During handling of the above exception, another exception occurred: 
    42103  
    42104 Traceback (most recent call last): 
    42105 File
    42106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42107 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42108 if not self.draw_new_frame(): 
    42109 File
    42110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42111 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42112 changed = view.check_for_drawing_change() 
    42113 File
    42114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42115 packages/chimerax/core/graphics/view.py", line 252, in
    42116 check_for_drawing_change 
    42117 trig.activate_trigger('graphics update', self) 
    42118 File
    42119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42120 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42121 trigger.activate(data) 
    42122 File
    42123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42124 packages/chimerax/core/triggerset.py", line 190, in activate 
    42125 ret = handler.invoke(data, self._remove_bad_handlers) 
    42126 File
    42127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42128 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42129 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42130 File
    42131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42132 packages/chimerax/core/session.py", line 943, in <lambda> 
    42133 logger.report_exception(preface=preface)) 
    42134 File
    42135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42136 packages/chimerax/core/logger.py", line 421, in report_exception 
    42137 elif probably_chimera1_session(exc_info): 
    42138 File
    42139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42140 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42141 etype, evalue, etraceback = exc_info 
    42142 TypeError: cannot unpack non-iterable NoneType object 
    42143  
    42144 TypeError: cannot unpack non-iterable NoneType object 
    42145  
    42146 File
    42147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42148 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42149 etype, evalue, etraceback = exc_info 
    42150  
    42151 See log for complete Python traceback. 
    42152  
    42153 Traceback (most recent call last): 
    42154 File
    42155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42156 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42157 return self._func(self._name, data) 
    42158 File
    42159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42160 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42161 if v.display: 
    42162 File
    42163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42164 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42165 return self._any_displayed_positions and len(self._positions) > 0 
    42166 TypeError: object of type 'NoneType' has no len() 
    42167  
    42168 During handling of the above exception, another exception occurred: 
    42169  
    42170 Traceback (most recent call last): 
    42171 File
    42172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42173 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42174 if not self.draw_new_frame(): 
    42175 File
    42176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42177 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42178 changed = view.check_for_drawing_change() 
    42179 File
    42180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42181 packages/chimerax/core/graphics/view.py", line 252, in
    42182 check_for_drawing_change 
    42183 trig.activate_trigger('graphics update', self) 
    42184 File
    42185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42186 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42187 trigger.activate(data) 
    42188 File
    42189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42190 packages/chimerax/core/triggerset.py", line 190, in activate 
    42191 ret = handler.invoke(data, self._remove_bad_handlers) 
    42192 File
    42193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42194 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42195 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42196 File
    42197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42198 packages/chimerax/core/session.py", line 943, in <lambda> 
    42199 logger.report_exception(preface=preface)) 
    42200 File
    42201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42202 packages/chimerax/core/logger.py", line 421, in report_exception 
    42203 elif probably_chimera1_session(exc_info): 
    42204 File
    42205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42206 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42207 etype, evalue, etraceback = exc_info 
    42208 TypeError: cannot unpack non-iterable NoneType object 
    42209  
    42210 TypeError: cannot unpack non-iterable NoneType object 
    42211  
    42212 File
    42213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42214 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42215 etype, evalue, etraceback = exc_info 
    42216  
    42217 See log for complete Python traceback. 
    42218  
    42219 Traceback (most recent call last): 
    42220 File
    42221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42222 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42223 return self._func(self._name, data) 
    42224 File
    42225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42226 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42227 if v.display: 
    42228 File
    42229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42230 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42231 return self._any_displayed_positions and len(self._positions) > 0 
    42232 TypeError: object of type 'NoneType' has no len() 
    42233  
    42234 During handling of the above exception, another exception occurred: 
    42235  
    42236 Traceback (most recent call last): 
    42237 File
    42238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42239 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42240 if not self.draw_new_frame(): 
    42241 File
    42242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42243 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42244 changed = view.check_for_drawing_change() 
    42245 File
    42246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42247 packages/chimerax/core/graphics/view.py", line 252, in
    42248 check_for_drawing_change 
    42249 trig.activate_trigger('graphics update', self) 
    42250 File
    42251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42252 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42253 trigger.activate(data) 
    42254 File
    42255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42256 packages/chimerax/core/triggerset.py", line 190, in activate 
    42257 ret = handler.invoke(data, self._remove_bad_handlers) 
    42258 File
    42259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42260 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42261 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42262 File
    42263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42264 packages/chimerax/core/session.py", line 943, in <lambda> 
    42265 logger.report_exception(preface=preface)) 
    42266 File
    42267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42268 packages/chimerax/core/logger.py", line 421, in report_exception 
    42269 elif probably_chimera1_session(exc_info): 
    42270 File
    42271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42272 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42273 etype, evalue, etraceback = exc_info 
    42274 TypeError: cannot unpack non-iterable NoneType object 
    42275  
    42276 TypeError: cannot unpack non-iterable NoneType object 
    42277  
    42278 File
    42279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42280 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42281 etype, evalue, etraceback = exc_info 
    42282  
    42283 See log for complete Python traceback. 
    42284  
    42285 Traceback (most recent call last): 
    42286 File
    42287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42288 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42289 return self._func(self._name, data) 
    42290 File
    42291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42292 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42293 if v.display: 
    42294 File
    42295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42296 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42297 return self._any_displayed_positions and len(self._positions) > 0 
    42298 TypeError: object of type 'NoneType' has no len() 
    42299  
    42300 During handling of the above exception, another exception occurred: 
    42301  
    42302 Traceback (most recent call last): 
    42303 File
    42304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42305 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42306 if not self.draw_new_frame(): 
    42307 File
    42308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42309 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42310 changed = view.check_for_drawing_change() 
    42311 File
    42312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42313 packages/chimerax/core/graphics/view.py", line 252, in
    42314 check_for_drawing_change 
    42315 trig.activate_trigger('graphics update', self) 
    42316 File
    42317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42318 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42319 trigger.activate(data) 
    42320 File
    42321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42322 packages/chimerax/core/triggerset.py", line 190, in activate 
    42323 ret = handler.invoke(data, self._remove_bad_handlers) 
    42324 File
    42325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42326 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42327 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42328 File
    42329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42330 packages/chimerax/core/session.py", line 943, in <lambda> 
    42331 logger.report_exception(preface=preface)) 
    42332 File
    42333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42334 packages/chimerax/core/logger.py", line 421, in report_exception 
    42335 elif probably_chimera1_session(exc_info): 
    42336 File
    42337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42338 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42339 etype, evalue, etraceback = exc_info 
    42340 TypeError: cannot unpack non-iterable NoneType object 
    42341  
    42342 TypeError: cannot unpack non-iterable NoneType object 
    42343  
    42344 File
    42345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42346 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42347 etype, evalue, etraceback = exc_info 
    42348  
    42349 See log for complete Python traceback. 
    42350  
    42351 Traceback (most recent call last): 
    42352 File
    42353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42354 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42355 return self._func(self._name, data) 
    42356 File
    42357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42358 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42359 if v.display: 
    42360 File
    42361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42362 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42363 return self._any_displayed_positions and len(self._positions) > 0 
    42364 TypeError: object of type 'NoneType' has no len() 
    42365  
    42366 During handling of the above exception, another exception occurred: 
    42367  
    42368 Traceback (most recent call last): 
    42369 File
    42370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42371 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42372 if not self.draw_new_frame(): 
    42373 File
    42374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42375 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42376 changed = view.check_for_drawing_change() 
    42377 File
    42378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42379 packages/chimerax/core/graphics/view.py", line 252, in
    42380 check_for_drawing_change 
    42381 trig.activate_trigger('graphics update', self) 
    42382 File
    42383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42384 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42385 trigger.activate(data) 
    42386 File
    42387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42388 packages/chimerax/core/triggerset.py", line 190, in activate 
    42389 ret = handler.invoke(data, self._remove_bad_handlers) 
    42390 File
    42391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42392 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42393 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42394 File
    42395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42396 packages/chimerax/core/session.py", line 943, in <lambda> 
    42397 logger.report_exception(preface=preface)) 
    42398 File
    42399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42400 packages/chimerax/core/logger.py", line 421, in report_exception 
    42401 elif probably_chimera1_session(exc_info): 
    42402 File
    42403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42404 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42405 etype, evalue, etraceback = exc_info 
    42406 TypeError: cannot unpack non-iterable NoneType object 
    42407  
    42408 TypeError: cannot unpack non-iterable NoneType object 
    42409  
    42410 File
    42411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42412 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42413 etype, evalue, etraceback = exc_info 
    42414  
    42415 See log for complete Python traceback. 
    42416  
    42417 Traceback (most recent call last): 
    42418 File
    42419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42420 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42421 return self._func(self._name, data) 
    42422 File
    42423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42424 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42425 if v.display: 
    42426 File
    42427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42428 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42429 return self._any_displayed_positions and len(self._positions) > 0 
    42430 TypeError: object of type 'NoneType' has no len() 
    42431  
    42432 During handling of the above exception, another exception occurred: 
    42433  
    42434 Traceback (most recent call last): 
    42435 File
    42436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42437 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42438 if not self.draw_new_frame(): 
    42439 File
    42440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42441 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42442 changed = view.check_for_drawing_change() 
    42443 File
    42444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42445 packages/chimerax/core/graphics/view.py", line 252, in
    42446 check_for_drawing_change 
    42447 trig.activate_trigger('graphics update', self) 
    42448 File
    42449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42450 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42451 trigger.activate(data) 
    42452 File
    42453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42454 packages/chimerax/core/triggerset.py", line 190, in activate 
    42455 ret = handler.invoke(data, self._remove_bad_handlers) 
    42456 File
    42457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42458 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42459 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42460 File
    42461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42462 packages/chimerax/core/session.py", line 943, in <lambda> 
    42463 logger.report_exception(preface=preface)) 
    42464 File
    42465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42466 packages/chimerax/core/logger.py", line 421, in report_exception 
    42467 elif probably_chimera1_session(exc_info): 
    42468 File
    42469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42470 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42471 etype, evalue, etraceback = exc_info 
    42472 TypeError: cannot unpack non-iterable NoneType object 
    42473  
    42474 TypeError: cannot unpack non-iterable NoneType object 
    42475  
    42476 File
    42477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42478 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42479 etype, evalue, etraceback = exc_info 
    42480  
    42481 See log for complete Python traceback. 
    42482  
    42483 Traceback (most recent call last): 
    42484 File
    42485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42486 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42487 return self._func(self._name, data) 
    42488 File
    42489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42490 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42491 if v.display: 
    42492 File
    42493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42494 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42495 return self._any_displayed_positions and len(self._positions) > 0 
    42496 TypeError: object of type 'NoneType' has no len() 
    42497  
    42498 During handling of the above exception, another exception occurred: 
    42499  
    42500 Traceback (most recent call last): 
    42501 File
    42502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42503 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42504 if not self.draw_new_frame(): 
    42505 File
    42506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42507 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42508 changed = view.check_for_drawing_change() 
    42509 File
    42510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42511 packages/chimerax/core/graphics/view.py", line 252, in
    42512 check_for_drawing_change 
    42513 trig.activate_trigger('graphics update', self) 
    42514 File
    42515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42516 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42517 trigger.activate(data) 
    42518 File
    42519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42520 packages/chimerax/core/triggerset.py", line 190, in activate 
    42521 ret = handler.invoke(data, self._remove_bad_handlers) 
    42522 File
    42523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42524 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42525 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42526 File
    42527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42528 packages/chimerax/core/session.py", line 943, in <lambda> 
    42529 logger.report_exception(preface=preface)) 
    42530 File
    42531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42532 packages/chimerax/core/logger.py", line 421, in report_exception 
    42533 elif probably_chimera1_session(exc_info): 
    42534 File
    42535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42536 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42537 etype, evalue, etraceback = exc_info 
    42538 TypeError: cannot unpack non-iterable NoneType object 
    42539  
    42540 TypeError: cannot unpack non-iterable NoneType object 
    42541  
    42542 File
    42543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42544 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42545 etype, evalue, etraceback = exc_info 
    42546  
    42547 See log for complete Python traceback. 
    42548  
    42549 Traceback (most recent call last): 
    42550 File
    42551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42552 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42553 return self._func(self._name, data) 
    42554 File
    42555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42556 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42557 if v.display: 
    42558 File
    42559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42560 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42561 return self._any_displayed_positions and len(self._positions) > 0 
    42562 TypeError: object of type 'NoneType' has no len() 
    42563  
    42564 During handling of the above exception, another exception occurred: 
    42565  
    42566 Traceback (most recent call last): 
    42567 File
    42568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42569 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42570 if not self.draw_new_frame(): 
    42571 File
    42572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42573 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42574 changed = view.check_for_drawing_change() 
    42575 File
    42576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42577 packages/chimerax/core/graphics/view.py", line 252, in
    42578 check_for_drawing_change 
    42579 trig.activate_trigger('graphics update', self) 
    42580 File
    42581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42582 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42583 trigger.activate(data) 
    42584 File
    42585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42586 packages/chimerax/core/triggerset.py", line 190, in activate 
    42587 ret = handler.invoke(data, self._remove_bad_handlers) 
    42588 File
    42589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42590 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42591 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42592 File
    42593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42594 packages/chimerax/core/session.py", line 943, in <lambda> 
    42595 logger.report_exception(preface=preface)) 
    42596 File
    42597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42598 packages/chimerax/core/logger.py", line 421, in report_exception 
    42599 elif probably_chimera1_session(exc_info): 
    42600 File
    42601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42602 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42603 etype, evalue, etraceback = exc_info 
    42604 TypeError: cannot unpack non-iterable NoneType object 
    42605  
    42606 TypeError: cannot unpack non-iterable NoneType object 
    42607  
    42608 File
    42609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42610 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42611 etype, evalue, etraceback = exc_info 
    42612  
    42613 See log for complete Python traceback. 
    42614  
    42615 Traceback (most recent call last): 
    42616 File
    42617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42619 return self._func(self._name, data) 
    42620 File
    42621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42622 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42623 if v.display: 
    42624 File
    42625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42626 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42627 return self._any_displayed_positions and len(self._positions) > 0 
    42628 TypeError: object of type 'NoneType' has no len() 
    42629  
    42630 During handling of the above exception, another exception occurred: 
    42631  
    42632 Traceback (most recent call last): 
    42633 File
    42634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42635 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42636 if not self.draw_new_frame(): 
    42637 File
    42638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42639 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42640 changed = view.check_for_drawing_change() 
    42641 File
    42642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42643 packages/chimerax/core/graphics/view.py", line 252, in
    42644 check_for_drawing_change 
    42645 trig.activate_trigger('graphics update', self) 
    42646 File
    42647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42648 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42649 trigger.activate(data) 
    42650 File
    42651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42652 packages/chimerax/core/triggerset.py", line 190, in activate 
    42653 ret = handler.invoke(data, self._remove_bad_handlers) 
    42654 File
    42655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42656 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42657 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42658 File
    42659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42660 packages/chimerax/core/session.py", line 943, in <lambda> 
    42661 logger.report_exception(preface=preface)) 
    42662 File
    42663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42664 packages/chimerax/core/logger.py", line 421, in report_exception 
    42665 elif probably_chimera1_session(exc_info): 
    42666 File
    42667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42668 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42669 etype, evalue, etraceback = exc_info 
    42670 TypeError: cannot unpack non-iterable NoneType object 
    42671  
    42672 TypeError: cannot unpack non-iterable NoneType object 
    42673  
    42674 File
    42675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42676 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42677 etype, evalue, etraceback = exc_info 
    42678  
    42679 See log for complete Python traceback. 
    42680  
    42681 Traceback (most recent call last): 
    42682 File
    42683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42684 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42685 return self._func(self._name, data) 
    42686 File
    42687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42688 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42689 if v.display: 
    42690 File
    42691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42692 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42693 return self._any_displayed_positions and len(self._positions) > 0 
    42694 TypeError: object of type 'NoneType' has no len() 
    42695  
    42696 During handling of the above exception, another exception occurred: 
    42697  
    42698 Traceback (most recent call last): 
    42699 File
    42700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42701 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42702 if not self.draw_new_frame(): 
    42703 File
    42704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42705 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42706 changed = view.check_for_drawing_change() 
    42707 File
    42708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42709 packages/chimerax/core/graphics/view.py", line 252, in
    42710 check_for_drawing_change 
    42711 trig.activate_trigger('graphics update', self) 
    42712 File
    42713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42714 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42715 trigger.activate(data) 
    42716 File
    42717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42718 packages/chimerax/core/triggerset.py", line 190, in activate 
    42719 ret = handler.invoke(data, self._remove_bad_handlers) 
    42720 File
    42721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42722 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42723 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42724 File
    42725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42726 packages/chimerax/core/session.py", line 943, in <lambda> 
    42727 logger.report_exception(preface=preface)) 
    42728 File
    42729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42730 packages/chimerax/core/logger.py", line 421, in report_exception 
    42731 elif probably_chimera1_session(exc_info): 
    42732 File
    42733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42734 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42735 etype, evalue, etraceback = exc_info 
    42736 TypeError: cannot unpack non-iterable NoneType object 
    42737  
    42738 TypeError: cannot unpack non-iterable NoneType object 
    42739  
    42740 File
    42741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42742 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42743 etype, evalue, etraceback = exc_info 
    42744  
    42745 See log for complete Python traceback. 
    42746  
    42747 Traceback (most recent call last): 
    42748 File
    42749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42750 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42751 return self._func(self._name, data) 
    42752 File
    42753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42754 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42755 if v.display: 
    42756 File
    42757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42758 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42759 return self._any_displayed_positions and len(self._positions) > 0 
    42760 TypeError: object of type 'NoneType' has no len() 
    42761  
    42762 During handling of the above exception, another exception occurred: 
    42763  
    42764 Traceback (most recent call last): 
    42765 File
    42766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42767 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42768 if not self.draw_new_frame(): 
    42769 File
    42770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42771 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42772 changed = view.check_for_drawing_change() 
    42773 File
    42774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42775 packages/chimerax/core/graphics/view.py", line 252, in
    42776 check_for_drawing_change 
    42777 trig.activate_trigger('graphics update', self) 
    42778 File
    42779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42780 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42781 trigger.activate(data) 
    42782 File
    42783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42784 packages/chimerax/core/triggerset.py", line 190, in activate 
    42785 ret = handler.invoke(data, self._remove_bad_handlers) 
    42786 File
    42787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42788 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42789 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42790 File
    42791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42792 packages/chimerax/core/session.py", line 943, in <lambda> 
    42793 logger.report_exception(preface=preface)) 
    42794 File
    42795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42796 packages/chimerax/core/logger.py", line 421, in report_exception 
    42797 elif probably_chimera1_session(exc_info): 
    42798 File
    42799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42800 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42801 etype, evalue, etraceback = exc_info 
    42802 TypeError: cannot unpack non-iterable NoneType object 
    42803  
    42804 TypeError: cannot unpack non-iterable NoneType object 
    42805  
    42806 File
    42807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42808 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42809 etype, evalue, etraceback = exc_info 
    42810  
    42811 See log for complete Python traceback. 
    42812  
    42813 Traceback (most recent call last): 
    42814 File
    42815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42816 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42817 return self._func(self._name, data) 
    42818 File
    42819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42820 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42821 if v.display: 
    42822 File
    42823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42824 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42825 return self._any_displayed_positions and len(self._positions) > 0 
    42826 TypeError: object of type 'NoneType' has no len() 
    42827  
    42828 During handling of the above exception, another exception occurred: 
    42829  
    42830 Traceback (most recent call last): 
    42831 File
    42832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42833 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42834 if not self.draw_new_frame(): 
    42835 File
    42836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42837 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42838 changed = view.check_for_drawing_change() 
    42839 File
    42840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42841 packages/chimerax/core/graphics/view.py", line 252, in
    42842 check_for_drawing_change 
    42843 trig.activate_trigger('graphics update', self) 
    42844 File
    42845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42846 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42847 trigger.activate(data) 
    42848 File
    42849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42850 packages/chimerax/core/triggerset.py", line 190, in activate 
    42851 ret = handler.invoke(data, self._remove_bad_handlers) 
    42852 File
    42853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42854 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42855 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42856 File
    42857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42858 packages/chimerax/core/session.py", line 943, in <lambda> 
    42859 logger.report_exception(preface=preface)) 
    42860 File
    42861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42862 packages/chimerax/core/logger.py", line 421, in report_exception 
    42863 elif probably_chimera1_session(exc_info): 
    42864 File
    42865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42866 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42867 etype, evalue, etraceback = exc_info 
    42868 TypeError: cannot unpack non-iterable NoneType object 
    42869  
    42870 TypeError: cannot unpack non-iterable NoneType object 
    42871  
    42872 File
    42873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42874 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42875 etype, evalue, etraceback = exc_info 
    42876  
    42877 See log for complete Python traceback. 
    42878  
    42879 Traceback (most recent call last): 
    42880 File
    42881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42882 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42883 return self._func(self._name, data) 
    42884 File
    42885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42886 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42887 if v.display: 
    42888 File
    42889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42890 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42891 return self._any_displayed_positions and len(self._positions) > 0 
    42892 TypeError: object of type 'NoneType' has no len() 
    42893  
    42894 During handling of the above exception, another exception occurred: 
    42895  
    42896 Traceback (most recent call last): 
    42897 File
    42898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42899 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42900 if not self.draw_new_frame(): 
    42901 File
    42902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42903 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42904 changed = view.check_for_drawing_change() 
    42905 File
    42906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42907 packages/chimerax/core/graphics/view.py", line 252, in
    42908 check_for_drawing_change 
    42909 trig.activate_trigger('graphics update', self) 
    42910 File
    42911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42912 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42913 trigger.activate(data) 
    42914 File
    42915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42916 packages/chimerax/core/triggerset.py", line 190, in activate 
    42917 ret = handler.invoke(data, self._remove_bad_handlers) 
    42918 File
    42919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42920 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42921 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42922 File
    42923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42924 packages/chimerax/core/session.py", line 943, in <lambda> 
    42925 logger.report_exception(preface=preface)) 
    42926 File
    42927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42928 packages/chimerax/core/logger.py", line 421, in report_exception 
    42929 elif probably_chimera1_session(exc_info): 
    42930 File
    42931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42932 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42933 etype, evalue, etraceback = exc_info 
    42934 TypeError: cannot unpack non-iterable NoneType object 
    42935  
    42936 TypeError: cannot unpack non-iterable NoneType object 
    42937  
    42938 File
    42939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42940 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42941 etype, evalue, etraceback = exc_info 
    42942  
    42943 See log for complete Python traceback. 
    42944  
    42945 Traceback (most recent call last): 
    42946 File
    42947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42948 packages/chimerax/core/triggerset.py", line 130, in invoke 
    42949 return self._func(self._name, data) 
    42950 File
    42951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42952 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    42953 if v.display: 
    42954 File
    42955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42956 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    42957 return self._any_displayed_positions and len(self._positions) > 0 
    42958 TypeError: object of type 'NoneType' has no len() 
    42959  
    42960 During handling of the above exception, another exception occurred: 
    42961  
    42962 Traceback (most recent call last): 
    42963 File
    42964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42965 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    42966 if not self.draw_new_frame(): 
    42967 File
    42968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42969 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    42970 changed = view.check_for_drawing_change() 
    42971 File
    42972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42973 packages/chimerax/core/graphics/view.py", line 252, in
    42974 check_for_drawing_change 
    42975 trig.activate_trigger('graphics update', self) 
    42976 File
    42977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42978 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    42979 trigger.activate(data) 
    42980 File
    42981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42982 packages/chimerax/core/triggerset.py", line 190, in activate 
    42983 ret = handler.invoke(data, self._remove_bad_handlers) 
    42984 File
    42985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42986 packages/chimerax/core/triggerset.py", line 132, in invoke 
    42987 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    42988 File
    42989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42990 packages/chimerax/core/session.py", line 943, in <lambda> 
    42991 logger.report_exception(preface=preface)) 
    42992 File
    42993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42994 packages/chimerax/core/logger.py", line 421, in report_exception 
    42995 elif probably_chimera1_session(exc_info): 
    42996 File
    42997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    42998 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    42999 etype, evalue, etraceback = exc_info 
    43000 TypeError: cannot unpack non-iterable NoneType object 
    43001  
    43002 TypeError: cannot unpack non-iterable NoneType object 
    43003  
    43004 File
    43005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43006 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43007 etype, evalue, etraceback = exc_info 
    43008  
    43009 See log for complete Python traceback. 
    43010  
    43011 Traceback (most recent call last): 
    43012 File
    43013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43014 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43015 return self._func(self._name, data) 
    43016 File
    43017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43018 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43019 if v.display: 
    43020 File
    43021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43022 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43023 return self._any_displayed_positions and len(self._positions) > 0 
    43024 TypeError: object of type 'NoneType' has no len() 
    43025  
    43026 During handling of the above exception, another exception occurred: 
    43027  
    43028 Traceback (most recent call last): 
    43029 File
    43030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43031 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43032 if not self.draw_new_frame(): 
    43033 File
    43034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43035 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43036 changed = view.check_for_drawing_change() 
    43037 File
    43038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43039 packages/chimerax/core/graphics/view.py", line 252, in
    43040 check_for_drawing_change 
    43041 trig.activate_trigger('graphics update', self) 
    43042 File
    43043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43044 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43045 trigger.activate(data) 
    43046 File
    43047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43048 packages/chimerax/core/triggerset.py", line 190, in activate 
    43049 ret = handler.invoke(data, self._remove_bad_handlers) 
    43050 File
    43051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43052 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43053 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43054 File
    43055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43056 packages/chimerax/core/session.py", line 943, in <lambda> 
    43057 logger.report_exception(preface=preface)) 
    43058 File
    43059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43060 packages/chimerax/core/logger.py", line 421, in report_exception 
    43061 elif probably_chimera1_session(exc_info): 
    43062 File
    43063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43064 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43065 etype, evalue, etraceback = exc_info 
    43066 TypeError: cannot unpack non-iterable NoneType object 
    43067  
    43068 TypeError: cannot unpack non-iterable NoneType object 
    43069  
    43070 File
    43071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43072 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43073 etype, evalue, etraceback = exc_info 
    43074  
    43075 See log for complete Python traceback. 
    43076  
    43077 Traceback (most recent call last): 
    43078 File
    43079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43080 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43081 return self._func(self._name, data) 
    43082 File
    43083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43084 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43085 if v.display: 
    43086 File
    43087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43088 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43089 return self._any_displayed_positions and len(self._positions) > 0 
    43090 TypeError: object of type 'NoneType' has no len() 
    43091  
    43092 During handling of the above exception, another exception occurred: 
    43093  
    43094 Traceback (most recent call last): 
    43095 File
    43096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43097 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43098 if not self.draw_new_frame(): 
    43099 File
    43100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43101 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43102 changed = view.check_for_drawing_change() 
    43103 File
    43104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43105 packages/chimerax/core/graphics/view.py", line 252, in
    43106 check_for_drawing_change 
    43107 trig.activate_trigger('graphics update', self) 
    43108 File
    43109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43110 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43111 trigger.activate(data) 
    43112 File
    43113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43114 packages/chimerax/core/triggerset.py", line 190, in activate 
    43115 ret = handler.invoke(data, self._remove_bad_handlers) 
    43116 File
    43117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43118 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43119 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43120 File
    43121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43122 packages/chimerax/core/session.py", line 943, in <lambda> 
    43123 logger.report_exception(preface=preface)) 
    43124 File
    43125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43126 packages/chimerax/core/logger.py", line 421, in report_exception 
    43127 elif probably_chimera1_session(exc_info): 
    43128 File
    43129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43130 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43131 etype, evalue, etraceback = exc_info 
    43132 TypeError: cannot unpack non-iterable NoneType object 
    43133  
    43134 TypeError: cannot unpack non-iterable NoneType object 
    43135  
    43136 File
    43137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43138 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43139 etype, evalue, etraceback = exc_info 
    43140  
    43141 See log for complete Python traceback. 
    43142  
    43143 Traceback (most recent call last): 
    43144 File
    43145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43146 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43147 return self._func(self._name, data) 
    43148 File
    43149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43150 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43151 if v.display: 
    43152 File
    43153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43154 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43155 return self._any_displayed_positions and len(self._positions) > 0 
    43156 TypeError: object of type 'NoneType' has no len() 
    43157  
    43158 During handling of the above exception, another exception occurred: 
    43159  
    43160 Traceback (most recent call last): 
    43161 File
    43162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43163 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43164 if not self.draw_new_frame(): 
    43165 File
    43166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43167 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43168 changed = view.check_for_drawing_change() 
    43169 File
    43170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43171 packages/chimerax/core/graphics/view.py", line 252, in
    43172 check_for_drawing_change 
    43173 trig.activate_trigger('graphics update', self) 
    43174 File
    43175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43176 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43177 trigger.activate(data) 
    43178 File
    43179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43180 packages/chimerax/core/triggerset.py", line 190, in activate 
    43181 ret = handler.invoke(data, self._remove_bad_handlers) 
    43182 File
    43183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43184 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43185 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43186 File
    43187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43188 packages/chimerax/core/session.py", line 943, in <lambda> 
    43189 logger.report_exception(preface=preface)) 
    43190 File
    43191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43192 packages/chimerax/core/logger.py", line 421, in report_exception 
    43193 elif probably_chimera1_session(exc_info): 
    43194 File
    43195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43196 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43197 etype, evalue, etraceback = exc_info 
    43198 TypeError: cannot unpack non-iterable NoneType object 
    43199  
    43200 TypeError: cannot unpack non-iterable NoneType object 
    43201  
    43202 File
    43203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43204 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43205 etype, evalue, etraceback = exc_info 
    43206  
    43207 See log for complete Python traceback. 
    43208  
    43209 Traceback (most recent call last): 
    43210 File
    43211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43212 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43213 return self._func(self._name, data) 
    43214 File
    43215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43216 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43217 if v.display: 
    43218 File
    43219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43220 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43221 return self._any_displayed_positions and len(self._positions) > 0 
    43222 TypeError: object of type 'NoneType' has no len() 
    43223  
    43224 During handling of the above exception, another exception occurred: 
    43225  
    43226 Traceback (most recent call last): 
    43227 File
    43228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43229 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43230 if not self.draw_new_frame(): 
    43231 File
    43232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43233 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43234 changed = view.check_for_drawing_change() 
    43235 File
    43236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43237 packages/chimerax/core/graphics/view.py", line 252, in
    43238 check_for_drawing_change 
    43239 trig.activate_trigger('graphics update', self) 
    43240 File
    43241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43242 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43243 trigger.activate(data) 
    43244 File
    43245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43246 packages/chimerax/core/triggerset.py", line 190, in activate 
    43247 ret = handler.invoke(data, self._remove_bad_handlers) 
    43248 File
    43249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43250 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43251 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43252 File
    43253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43254 packages/chimerax/core/session.py", line 943, in <lambda> 
    43255 logger.report_exception(preface=preface)) 
    43256 File
    43257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43258 packages/chimerax/core/logger.py", line 421, in report_exception 
    43259 elif probably_chimera1_session(exc_info): 
    43260 File
    43261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43262 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43263 etype, evalue, etraceback = exc_info 
    43264 TypeError: cannot unpack non-iterable NoneType object 
    43265  
    43266 TypeError: cannot unpack non-iterable NoneType object 
    43267  
    43268 File
    43269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43270 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43271 etype, evalue, etraceback = exc_info 
    43272  
    43273 See log for complete Python traceback. 
    43274  
    43275 Traceback (most recent call last): 
    43276 File
    43277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43278 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43279 return self._func(self._name, data) 
    43280 File
    43281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43282 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43283 if v.display: 
    43284 File
    43285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43286 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43287 return self._any_displayed_positions and len(self._positions) > 0 
    43288 TypeError: object of type 'NoneType' has no len() 
    43289  
    43290 During handling of the above exception, another exception occurred: 
    43291  
    43292 Traceback (most recent call last): 
    43293 File
    43294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43295 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43296 if not self.draw_new_frame(): 
    43297 File
    43298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43299 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43300 changed = view.check_for_drawing_change() 
    43301 File
    43302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43303 packages/chimerax/core/graphics/view.py", line 252, in
    43304 check_for_drawing_change 
    43305 trig.activate_trigger('graphics update', self) 
    43306 File
    43307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43308 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43309 trigger.activate(data) 
    43310 File
    43311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43312 packages/chimerax/core/triggerset.py", line 190, in activate 
    43313 ret = handler.invoke(data, self._remove_bad_handlers) 
    43314 File
    43315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43316 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43317 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43318 File
    43319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43320 packages/chimerax/core/session.py", line 943, in <lambda> 
    43321 logger.report_exception(preface=preface)) 
    43322 File
    43323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43324 packages/chimerax/core/logger.py", line 421, in report_exception 
    43325 elif probably_chimera1_session(exc_info): 
    43326 File
    43327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43328 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43329 etype, evalue, etraceback = exc_info 
    43330 TypeError: cannot unpack non-iterable NoneType object 
    43331  
    43332 TypeError: cannot unpack non-iterable NoneType object 
    43333  
    43334 File
    43335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43336 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43337 etype, evalue, etraceback = exc_info 
    43338  
    43339 See log for complete Python traceback. 
    43340  
    43341 Traceback (most recent call last): 
    43342 File
    43343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43344 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43345 return self._func(self._name, data) 
    43346 File
    43347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43348 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43349 if v.display: 
    43350 File
    43351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43352 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43353 return self._any_displayed_positions and len(self._positions) > 0 
    43354 TypeError: object of type 'NoneType' has no len() 
    43355  
    43356 During handling of the above exception, another exception occurred: 
    43357  
    43358 Traceback (most recent call last): 
    43359 File
    43360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43361 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43362 if not self.draw_new_frame(): 
    43363 File
    43364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43365 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43366 changed = view.check_for_drawing_change() 
    43367 File
    43368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43369 packages/chimerax/core/graphics/view.py", line 252, in
    43370 check_for_drawing_change 
    43371 trig.activate_trigger('graphics update', self) 
    43372 File
    43373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43374 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43375 trigger.activate(data) 
    43376 File
    43377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43378 packages/chimerax/core/triggerset.py", line 190, in activate 
    43379 ret = handler.invoke(data, self._remove_bad_handlers) 
    43380 File
    43381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43382 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43383 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43384 File
    43385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43386 packages/chimerax/core/session.py", line 943, in <lambda> 
    43387 logger.report_exception(preface=preface)) 
    43388 File
    43389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43390 packages/chimerax/core/logger.py", line 421, in report_exception 
    43391 elif probably_chimera1_session(exc_info): 
    43392 File
    43393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43394 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43395 etype, evalue, etraceback = exc_info 
    43396 TypeError: cannot unpack non-iterable NoneType object 
    43397  
    43398 TypeError: cannot unpack non-iterable NoneType object 
    43399  
    43400 File
    43401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43402 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43403 etype, evalue, etraceback = exc_info 
    43404  
    43405 See log for complete Python traceback. 
    43406  
    43407 Traceback (most recent call last): 
    43408 File
    43409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43410 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43411 return self._func(self._name, data) 
    43412 File
    43413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43414 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43415 if v.display: 
    43416 File
    43417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43418 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43419 return self._any_displayed_positions and len(self._positions) > 0 
    43420 TypeError: object of type 'NoneType' has no len() 
    43421  
    43422 During handling of the above exception, another exception occurred: 
    43423  
    43424 Traceback (most recent call last): 
    43425 File
    43426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43427 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43428 if not self.draw_new_frame(): 
    43429 File
    43430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43431 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43432 changed = view.check_for_drawing_change() 
    43433 File
    43434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43435 packages/chimerax/core/graphics/view.py", line 252, in
    43436 check_for_drawing_change 
    43437 trig.activate_trigger('graphics update', self) 
    43438 File
    43439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43440 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43441 trigger.activate(data) 
    43442 File
    43443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43444 packages/chimerax/core/triggerset.py", line 190, in activate 
    43445 ret = handler.invoke(data, self._remove_bad_handlers) 
    43446 File
    43447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43448 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43449 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43450 File
    43451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43452 packages/chimerax/core/session.py", line 943, in <lambda> 
    43453 logger.report_exception(preface=preface)) 
    43454 File
    43455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43456 packages/chimerax/core/logger.py", line 421, in report_exception 
    43457 elif probably_chimera1_session(exc_info): 
    43458 File
    43459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43460 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43461 etype, evalue, etraceback = exc_info 
    43462 TypeError: cannot unpack non-iterable NoneType object 
    43463  
    43464 TypeError: cannot unpack non-iterable NoneType object 
    43465  
    43466 File
    43467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43468 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43469 etype, evalue, etraceback = exc_info 
    43470  
    43471 See log for complete Python traceback. 
    43472  
    43473 Traceback (most recent call last): 
    43474 File
    43475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43476 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43477 return self._func(self._name, data) 
    43478 File
    43479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43480 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43481 if v.display: 
    43482 File
    43483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43484 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43485 return self._any_displayed_positions and len(self._positions) > 0 
    43486 TypeError: object of type 'NoneType' has no len() 
    43487  
    43488 During handling of the above exception, another exception occurred: 
    43489  
    43490 Traceback (most recent call last): 
    43491 File
    43492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43493 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43494 if not self.draw_new_frame(): 
    43495 File
    43496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43497 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43498 changed = view.check_for_drawing_change() 
    43499 File
    43500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43501 packages/chimerax/core/graphics/view.py", line 252, in
    43502 check_for_drawing_change 
    43503 trig.activate_trigger('graphics update', self) 
    43504 File
    43505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43506 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43507 trigger.activate(data) 
    43508 File
    43509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43510 packages/chimerax/core/triggerset.py", line 190, in activate 
    43511 ret = handler.invoke(data, self._remove_bad_handlers) 
    43512 File
    43513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43514 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43515 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43516 File
    43517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43518 packages/chimerax/core/session.py", line 943, in <lambda> 
    43519 logger.report_exception(preface=preface)) 
    43520 File
    43521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43522 packages/chimerax/core/logger.py", line 421, in report_exception 
    43523 elif probably_chimera1_session(exc_info): 
    43524 File
    43525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43526 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43527 etype, evalue, etraceback = exc_info 
    43528 TypeError: cannot unpack non-iterable NoneType object 
    43529  
    43530 TypeError: cannot unpack non-iterable NoneType object 
    43531  
    43532 File
    43533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43534 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43535 etype, evalue, etraceback = exc_info 
    43536  
    43537 See log for complete Python traceback. 
    43538  
    43539 Traceback (most recent call last): 
    43540 File
    43541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43542 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43543 return self._func(self._name, data) 
    43544 File
    43545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43546 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43547 if v.display: 
    43548 File
    43549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43550 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43551 return self._any_displayed_positions and len(self._positions) > 0 
    43552 TypeError: object of type 'NoneType' has no len() 
    43553  
    43554 During handling of the above exception, another exception occurred: 
    43555  
    43556 Traceback (most recent call last): 
    43557 File
    43558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43559 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43560 if not self.draw_new_frame(): 
    43561 File
    43562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43563 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43564 changed = view.check_for_drawing_change() 
    43565 File
    43566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43567 packages/chimerax/core/graphics/view.py", line 252, in
    43568 check_for_drawing_change 
    43569 trig.activate_trigger('graphics update', self) 
    43570 File
    43571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43572 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43573 trigger.activate(data) 
    43574 File
    43575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43576 packages/chimerax/core/triggerset.py", line 190, in activate 
    43577 ret = handler.invoke(data, self._remove_bad_handlers) 
    43578 File
    43579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43580 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43581 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43582 File
    43583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43584 packages/chimerax/core/session.py", line 943, in <lambda> 
    43585 logger.report_exception(preface=preface)) 
    43586 File
    43587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43588 packages/chimerax/core/logger.py", line 421, in report_exception 
    43589 elif probably_chimera1_session(exc_info): 
    43590 File
    43591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43592 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43593 etype, evalue, etraceback = exc_info 
    43594 TypeError: cannot unpack non-iterable NoneType object 
    43595  
    43596 TypeError: cannot unpack non-iterable NoneType object 
    43597  
    43598 File
    43599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43600 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43601 etype, evalue, etraceback = exc_info 
    43602  
    43603 See log for complete Python traceback. 
    43604  
    43605 Traceback (most recent call last): 
    43606 File
    43607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43608 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43609 return self._func(self._name, data) 
    43610 File
    43611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43612 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43613 if v.display: 
    43614 File
    43615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43616 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43617 return self._any_displayed_positions and len(self._positions) > 0 
    43618 TypeError: object of type 'NoneType' has no len() 
    43619  
    43620 During handling of the above exception, another exception occurred: 
    43621  
    43622 Traceback (most recent call last): 
    43623 File
    43624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43625 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43626 if not self.draw_new_frame(): 
    43627 File
    43628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43629 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43630 changed = view.check_for_drawing_change() 
    43631 File
    43632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43633 packages/chimerax/core/graphics/view.py", line 252, in
    43634 check_for_drawing_change 
    43635 trig.activate_trigger('graphics update', self) 
    43636 File
    43637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43638 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43639 trigger.activate(data) 
    43640 File
    43641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43642 packages/chimerax/core/triggerset.py", line 190, in activate 
    43643 ret = handler.invoke(data, self._remove_bad_handlers) 
    43644 File
    43645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43646 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43647 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43648 File
    43649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43650 packages/chimerax/core/session.py", line 943, in <lambda> 
    43651 logger.report_exception(preface=preface)) 
    43652 File
    43653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43654 packages/chimerax/core/logger.py", line 421, in report_exception 
    43655 elif probably_chimera1_session(exc_info): 
    43656 File
    43657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43658 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43659 etype, evalue, etraceback = exc_info 
    43660 TypeError: cannot unpack non-iterable NoneType object 
    43661  
    43662 TypeError: cannot unpack non-iterable NoneType object 
    43663  
    43664 File
    43665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43666 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43667 etype, evalue, etraceback = exc_info 
    43668  
    43669 See log for complete Python traceback. 
    43670  
    43671 Traceback (most recent call last): 
    43672 File
    43673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43674 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43675 return self._func(self._name, data) 
    43676 File
    43677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43678 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43679 if v.display: 
    43680 File
    43681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43682 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43683 return self._any_displayed_positions and len(self._positions) > 0 
    43684 TypeError: object of type 'NoneType' has no len() 
    43685  
    43686 During handling of the above exception, another exception occurred: 
    43687  
    43688 Traceback (most recent call last): 
    43689 File
    43690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43691 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43692 if not self.draw_new_frame(): 
    43693 File
    43694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43695 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43696 changed = view.check_for_drawing_change() 
    43697 File
    43698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43699 packages/chimerax/core/graphics/view.py", line 252, in
    43700 check_for_drawing_change 
    43701 trig.activate_trigger('graphics update', self) 
    43702 File
    43703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43704 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43705 trigger.activate(data) 
    43706 File
    43707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43708 packages/chimerax/core/triggerset.py", line 190, in activate 
    43709 ret = handler.invoke(data, self._remove_bad_handlers) 
    43710 File
    43711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43712 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43713 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43714 File
    43715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43716 packages/chimerax/core/session.py", line 943, in <lambda> 
    43717 logger.report_exception(preface=preface)) 
    43718 File
    43719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43720 packages/chimerax/core/logger.py", line 421, in report_exception 
    43721 elif probably_chimera1_session(exc_info): 
    43722 File
    43723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43724 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43725 etype, evalue, etraceback = exc_info 
    43726 TypeError: cannot unpack non-iterable NoneType object 
    43727  
    43728 TypeError: cannot unpack non-iterable NoneType object 
    43729  
    43730 File
    43731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43732 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43733 etype, evalue, etraceback = exc_info 
    43734  
    43735 See log for complete Python traceback. 
    43736  
    43737 Traceback (most recent call last): 
    43738 File
    43739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43740 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43741 return self._func(self._name, data) 
    43742 File
    43743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43744 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43745 if v.display: 
    43746 File
    43747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43748 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43749 return self._any_displayed_positions and len(self._positions) > 0 
    43750 TypeError: object of type 'NoneType' has no len() 
    43751  
    43752 During handling of the above exception, another exception occurred: 
    43753  
    43754 Traceback (most recent call last): 
    43755 File
    43756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43757 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43758 if not self.draw_new_frame(): 
    43759 File
    43760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43761 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43762 changed = view.check_for_drawing_change() 
    43763 File
    43764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43765 packages/chimerax/core/graphics/view.py", line 252, in
    43766 check_for_drawing_change 
    43767 trig.activate_trigger('graphics update', self) 
    43768 File
    43769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43770 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43771 trigger.activate(data) 
    43772 File
    43773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43774 packages/chimerax/core/triggerset.py", line 190, in activate 
    43775 ret = handler.invoke(data, self._remove_bad_handlers) 
    43776 File
    43777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43778 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43779 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43780 File
    43781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43782 packages/chimerax/core/session.py", line 943, in <lambda> 
    43783 logger.report_exception(preface=preface)) 
    43784 File
    43785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43786 packages/chimerax/core/logger.py", line 421, in report_exception 
    43787 elif probably_chimera1_session(exc_info): 
    43788 File
    43789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43790 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43791 etype, evalue, etraceback = exc_info 
    43792 TypeError: cannot unpack non-iterable NoneType object 
    43793  
    43794 TypeError: cannot unpack non-iterable NoneType object 
    43795  
    43796 File
    43797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43798 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43799 etype, evalue, etraceback = exc_info 
    43800  
    43801 See log for complete Python traceback. 
    43802  
    43803 Traceback (most recent call last): 
    43804 File
    43805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43806 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43807 return self._func(self._name, data) 
    43808 File
    43809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43810 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43811 if v.display: 
    43812 File
    43813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43814 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43815 return self._any_displayed_positions and len(self._positions) > 0 
    43816 TypeError: object of type 'NoneType' has no len() 
    43817  
    43818 During handling of the above exception, another exception occurred: 
    43819  
    43820 Traceback (most recent call last): 
    43821 File
    43822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43823 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43824 if not self.draw_new_frame(): 
    43825 File
    43826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43827 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43828 changed = view.check_for_drawing_change() 
    43829 File
    43830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43831 packages/chimerax/core/graphics/view.py", line 252, in
    43832 check_for_drawing_change 
    43833 trig.activate_trigger('graphics update', self) 
    43834 File
    43835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43836 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43837 trigger.activate(data) 
    43838 File
    43839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43840 packages/chimerax/core/triggerset.py", line 190, in activate 
    43841 ret = handler.invoke(data, self._remove_bad_handlers) 
    43842 File
    43843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43844 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43845 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43846 File
    43847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43848 packages/chimerax/core/session.py", line 943, in <lambda> 
    43849 logger.report_exception(preface=preface)) 
    43850 File
    43851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43852 packages/chimerax/core/logger.py", line 421, in report_exception 
    43853 elif probably_chimera1_session(exc_info): 
    43854 File
    43855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43856 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43857 etype, evalue, etraceback = exc_info 
    43858 TypeError: cannot unpack non-iterable NoneType object 
    43859  
    43860 TypeError: cannot unpack non-iterable NoneType object 
    43861  
    43862 File
    43863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43864 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43865 etype, evalue, etraceback = exc_info 
    43866  
    43867 See log for complete Python traceback. 
    43868  
    43869 Traceback (most recent call last): 
    43870 File
    43871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43872 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43873 return self._func(self._name, data) 
    43874 File
    43875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43876 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43877 if v.display: 
    43878 File
    43879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43880 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43881 return self._any_displayed_positions and len(self._positions) > 0 
    43882 TypeError: object of type 'NoneType' has no len() 
    43883  
    43884 During handling of the above exception, another exception occurred: 
    43885  
    43886 Traceback (most recent call last): 
    43887 File
    43888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43889 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43890 if not self.draw_new_frame(): 
    43891 File
    43892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43893 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43894 changed = view.check_for_drawing_change() 
    43895 File
    43896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43897 packages/chimerax/core/graphics/view.py", line 252, in
    43898 check_for_drawing_change 
    43899 trig.activate_trigger('graphics update', self) 
    43900 File
    43901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43902 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43903 trigger.activate(data) 
    43904 File
    43905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43906 packages/chimerax/core/triggerset.py", line 190, in activate 
    43907 ret = handler.invoke(data, self._remove_bad_handlers) 
    43908 File
    43909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43910 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43911 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43912 File
    43913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43914 packages/chimerax/core/session.py", line 943, in <lambda> 
    43915 logger.report_exception(preface=preface)) 
    43916 File
    43917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43918 packages/chimerax/core/logger.py", line 421, in report_exception 
    43919 elif probably_chimera1_session(exc_info): 
    43920 File
    43921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43922 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43923 etype, evalue, etraceback = exc_info 
    43924 TypeError: cannot unpack non-iterable NoneType object 
    43925  
    43926 TypeError: cannot unpack non-iterable NoneType object 
    43927  
    43928 File
    43929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43930 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43931 etype, evalue, etraceback = exc_info 
    43932  
    43933 See log for complete Python traceback. 
    43934  
    43935 Traceback (most recent call last): 
    43936 File
    43937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43938 packages/chimerax/core/triggerset.py", line 130, in invoke 
    43939 return self._func(self._name, data) 
    43940 File
    43941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43942 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    43943 if v.display: 
    43944 File
    43945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43946 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    43947 return self._any_displayed_positions and len(self._positions) > 0 
    43948 TypeError: object of type 'NoneType' has no len() 
    43949  
    43950 During handling of the above exception, another exception occurred: 
    43951  
    43952 Traceback (most recent call last): 
    43953 File
    43954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43955 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    43956 if not self.draw_new_frame(): 
    43957 File
    43958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43959 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    43960 changed = view.check_for_drawing_change() 
    43961 File
    43962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43963 packages/chimerax/core/graphics/view.py", line 252, in
    43964 check_for_drawing_change 
    43965 trig.activate_trigger('graphics update', self) 
    43966 File
    43967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43968 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    43969 trigger.activate(data) 
    43970 File
    43971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43972 packages/chimerax/core/triggerset.py", line 190, in activate 
    43973 ret = handler.invoke(data, self._remove_bad_handlers) 
    43974 File
    43975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43976 packages/chimerax/core/triggerset.py", line 132, in invoke 
    43977 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    43978 File
    43979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43980 packages/chimerax/core/session.py", line 943, in <lambda> 
    43981 logger.report_exception(preface=preface)) 
    43982 File
    43983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43984 packages/chimerax/core/logger.py", line 421, in report_exception 
    43985 elif probably_chimera1_session(exc_info): 
    43986 File
    43987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43988 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43989 etype, evalue, etraceback = exc_info 
    43990 TypeError: cannot unpack non-iterable NoneType object 
    43991  
    43992 TypeError: cannot unpack non-iterable NoneType object 
    43993  
    43994 File
    43995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    43996 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    43997 etype, evalue, etraceback = exc_info 
    43998  
    43999 See log for complete Python traceback. 
    44000  
    44001 Traceback (most recent call last): 
    44002 File
    44003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44004 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44005 return self._func(self._name, data) 
    44006 File
    44007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44008 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44009 if v.display: 
    44010 File
    44011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44012 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44013 return self._any_displayed_positions and len(self._positions) > 0 
    44014 TypeError: object of type 'NoneType' has no len() 
    44015  
    44016 During handling of the above exception, another exception occurred: 
    44017  
    44018 Traceback (most recent call last): 
    44019 File
    44020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44021 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44022 if not self.draw_new_frame(): 
    44023 File
    44024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44025 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44026 changed = view.check_for_drawing_change() 
    44027 File
    44028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44029 packages/chimerax/core/graphics/view.py", line 252, in
    44030 check_for_drawing_change 
    44031 trig.activate_trigger('graphics update', self) 
    44032 File
    44033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44034 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44035 trigger.activate(data) 
    44036 File
    44037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44038 packages/chimerax/core/triggerset.py", line 190, in activate 
    44039 ret = handler.invoke(data, self._remove_bad_handlers) 
    44040 File
    44041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44042 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44043 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44044 File
    44045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44046 packages/chimerax/core/session.py", line 943, in <lambda> 
    44047 logger.report_exception(preface=preface)) 
    44048 File
    44049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44050 packages/chimerax/core/logger.py", line 421, in report_exception 
    44051 elif probably_chimera1_session(exc_info): 
    44052 File
    44053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44054 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44055 etype, evalue, etraceback = exc_info 
    44056 TypeError: cannot unpack non-iterable NoneType object 
    44057  
    44058 TypeError: cannot unpack non-iterable NoneType object 
    44059  
    44060 File
    44061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44062 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44063 etype, evalue, etraceback = exc_info 
    44064  
    44065 See log for complete Python traceback. 
    44066  
    44067 Traceback (most recent call last): 
    44068 File
    44069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44070 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44071 return self._func(self._name, data) 
    44072 File
    44073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44074 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44075 if v.display: 
    44076 File
    44077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44078 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44079 return self._any_displayed_positions and len(self._positions) > 0 
    44080 TypeError: object of type 'NoneType' has no len() 
    44081  
    44082 During handling of the above exception, another exception occurred: 
    44083  
    44084 Traceback (most recent call last): 
    44085 File
    44086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44087 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44088 if not self.draw_new_frame(): 
    44089 File
    44090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44091 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44092 changed = view.check_for_drawing_change() 
    44093 File
    44094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44095 packages/chimerax/core/graphics/view.py", line 252, in
    44096 check_for_drawing_change 
    44097 trig.activate_trigger('graphics update', self) 
    44098 File
    44099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44100 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44101 trigger.activate(data) 
    44102 File
    44103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44104 packages/chimerax/core/triggerset.py", line 190, in activate 
    44105 ret = handler.invoke(data, self._remove_bad_handlers) 
    44106 File
    44107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44108 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44109 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44110 File
    44111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44112 packages/chimerax/core/session.py", line 943, in <lambda> 
    44113 logger.report_exception(preface=preface)) 
    44114 File
    44115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44116 packages/chimerax/core/logger.py", line 421, in report_exception 
    44117 elif probably_chimera1_session(exc_info): 
    44118 File
    44119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44120 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44121 etype, evalue, etraceback = exc_info 
    44122 TypeError: cannot unpack non-iterable NoneType object 
    44123  
    44124 TypeError: cannot unpack non-iterable NoneType object 
    44125  
    44126 File
    44127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44128 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44129 etype, evalue, etraceback = exc_info 
    44130  
    44131 See log for complete Python traceback. 
    44132  
    44133 Traceback (most recent call last): 
    44134 File
    44135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44136 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44137 return self._func(self._name, data) 
    44138 File
    44139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44140 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44141 if v.display: 
    44142 File
    44143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44144 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44145 return self._any_displayed_positions and len(self._positions) > 0 
    44146 TypeError: object of type 'NoneType' has no len() 
    44147  
    44148 During handling of the above exception, another exception occurred: 
    44149  
    44150 Traceback (most recent call last): 
    44151 File
    44152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44153 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44154 if not self.draw_new_frame(): 
    44155 File
    44156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44157 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44158 changed = view.check_for_drawing_change() 
    44159 File
    44160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44161 packages/chimerax/core/graphics/view.py", line 252, in
    44162 check_for_drawing_change 
    44163 trig.activate_trigger('graphics update', self) 
    44164 File
    44165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44166 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44167 trigger.activate(data) 
    44168 File
    44169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44170 packages/chimerax/core/triggerset.py", line 190, in activate 
    44171 ret = handler.invoke(data, self._remove_bad_handlers) 
    44172 File
    44173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44174 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44175 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44176 File
    44177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44178 packages/chimerax/core/session.py", line 943, in <lambda> 
    44179 logger.report_exception(preface=preface)) 
    44180 File
    44181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44182 packages/chimerax/core/logger.py", line 421, in report_exception 
    44183 elif probably_chimera1_session(exc_info): 
    44184 File
    44185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44186 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44187 etype, evalue, etraceback = exc_info 
    44188 TypeError: cannot unpack non-iterable NoneType object 
    44189  
    44190 TypeError: cannot unpack non-iterable NoneType object 
    44191  
    44192 File
    44193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44194 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44195 etype, evalue, etraceback = exc_info 
    44196  
    44197 See log for complete Python traceback. 
    44198  
    44199 Traceback (most recent call last): 
    44200 File
    44201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44202 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44203 return self._func(self._name, data) 
    44204 File
    44205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44206 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44207 if v.display: 
    44208 File
    44209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44210 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44211 return self._any_displayed_positions and len(self._positions) > 0 
    44212 TypeError: object of type 'NoneType' has no len() 
    44213  
    44214 During handling of the above exception, another exception occurred: 
    44215  
    44216 Traceback (most recent call last): 
    44217 File
    44218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44219 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44220 if not self.draw_new_frame(): 
    44221 File
    44222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44223 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44224 changed = view.check_for_drawing_change() 
    44225 File
    44226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44227 packages/chimerax/core/graphics/view.py", line 252, in
    44228 check_for_drawing_change 
    44229 trig.activate_trigger('graphics update', self) 
    44230 File
    44231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44232 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44233 trigger.activate(data) 
    44234 File
    44235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44236 packages/chimerax/core/triggerset.py", line 190, in activate 
    44237 ret = handler.invoke(data, self._remove_bad_handlers) 
    44238 File
    44239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44240 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44241 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44242 File
    44243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44244 packages/chimerax/core/session.py", line 943, in <lambda> 
    44245 logger.report_exception(preface=preface)) 
    44246 File
    44247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44248 packages/chimerax/core/logger.py", line 421, in report_exception 
    44249 elif probably_chimera1_session(exc_info): 
    44250 File
    44251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44252 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44253 etype, evalue, etraceback = exc_info 
    44254 TypeError: cannot unpack non-iterable NoneType object 
    44255  
    44256 TypeError: cannot unpack non-iterable NoneType object 
    44257  
    44258 File
    44259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44260 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44261 etype, evalue, etraceback = exc_info 
    44262  
    44263 See log for complete Python traceback. 
    44264  
    44265 Traceback (most recent call last): 
    44266 File
    44267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44269 return self._func(self._name, data) 
    44270 File
    44271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44272 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44273 if v.display: 
    44274 File
    44275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44276 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44277 return self._any_displayed_positions and len(self._positions) > 0 
    44278 TypeError: object of type 'NoneType' has no len() 
    44279  
    44280 During handling of the above exception, another exception occurred: 
    44281  
    44282 Traceback (most recent call last): 
    44283 File
    44284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44285 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44286 if not self.draw_new_frame(): 
    44287 File
    44288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44289 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44290 changed = view.check_for_drawing_change() 
    44291 File
    44292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44293 packages/chimerax/core/graphics/view.py", line 252, in
    44294 check_for_drawing_change 
    44295 trig.activate_trigger('graphics update', self) 
    44296 File
    44297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44298 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44299 trigger.activate(data) 
    44300 File
    44301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44302 packages/chimerax/core/triggerset.py", line 190, in activate 
    44303 ret = handler.invoke(data, self._remove_bad_handlers) 
    44304 File
    44305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44306 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44307 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44308 File
    44309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44310 packages/chimerax/core/session.py", line 943, in <lambda> 
    44311 logger.report_exception(preface=preface)) 
    44312 File
    44313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44314 packages/chimerax/core/logger.py", line 421, in report_exception 
    44315 elif probably_chimera1_session(exc_info): 
    44316 File
    44317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44318 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44319 etype, evalue, etraceback = exc_info 
    44320 TypeError: cannot unpack non-iterable NoneType object 
    44321  
    44322 TypeError: cannot unpack non-iterable NoneType object 
    44323  
    44324 File
    44325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44326 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44327 etype, evalue, etraceback = exc_info 
    44328  
    44329 See log for complete Python traceback. 
    44330  
    44331 Traceback (most recent call last): 
    44332 File
    44333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44334 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44335 return self._func(self._name, data) 
    44336 File
    44337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44338 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44339 if v.display: 
    44340 File
    44341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44342 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44343 return self._any_displayed_positions and len(self._positions) > 0 
    44344 TypeError: object of type 'NoneType' has no len() 
    44345  
    44346 During handling of the above exception, another exception occurred: 
    44347  
    44348 Traceback (most recent call last): 
    44349 File
    44350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44351 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44352 if not self.draw_new_frame(): 
    44353 File
    44354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44355 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44356 changed = view.check_for_drawing_change() 
    44357 File
    44358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44359 packages/chimerax/core/graphics/view.py", line 252, in
    44360 check_for_drawing_change 
    44361 trig.activate_trigger('graphics update', self) 
    44362 File
    44363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44364 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44365 trigger.activate(data) 
    44366 File
    44367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44368 packages/chimerax/core/triggerset.py", line 190, in activate 
    44369 ret = handler.invoke(data, self._remove_bad_handlers) 
    44370 File
    44371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44372 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44373 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44374 File
    44375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44376 packages/chimerax/core/session.py", line 943, in <lambda> 
    44377 logger.report_exception(preface=preface)) 
    44378 File
    44379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44380 packages/chimerax/core/logger.py", line 421, in report_exception 
    44381 elif probably_chimera1_session(exc_info): 
    44382 File
    44383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44384 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44385 etype, evalue, etraceback = exc_info 
    44386 TypeError: cannot unpack non-iterable NoneType object 
    44387  
    44388 TypeError: cannot unpack non-iterable NoneType object 
    44389  
    44390 File
    44391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44392 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44393 etype, evalue, etraceback = exc_info 
    44394  
    44395 See log for complete Python traceback. 
    44396  
    44397 Traceback (most recent call last): 
    44398 File
    44399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44400 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44401 return self._func(self._name, data) 
    44402 File
    44403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44404 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44405 if v.display: 
    44406 File
    44407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44408 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44409 return self._any_displayed_positions and len(self._positions) > 0 
    44410 TypeError: object of type 'NoneType' has no len() 
    44411  
    44412 During handling of the above exception, another exception occurred: 
    44413  
    44414 Traceback (most recent call last): 
    44415 File
    44416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44417 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44418 if not self.draw_new_frame(): 
    44419 File
    44420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44421 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44422 changed = view.check_for_drawing_change() 
    44423 File
    44424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44425 packages/chimerax/core/graphics/view.py", line 252, in
    44426 check_for_drawing_change 
    44427 trig.activate_trigger('graphics update', self) 
    44428 File
    44429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44430 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44431 trigger.activate(data) 
    44432 File
    44433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44434 packages/chimerax/core/triggerset.py", line 190, in activate 
    44435 ret = handler.invoke(data, self._remove_bad_handlers) 
    44436 File
    44437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44438 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44439 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44440 File
    44441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44442 packages/chimerax/core/session.py", line 943, in <lambda> 
    44443 logger.report_exception(preface=preface)) 
    44444 File
    44445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44446 packages/chimerax/core/logger.py", line 421, in report_exception 
    44447 elif probably_chimera1_session(exc_info): 
    44448 File
    44449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44450 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44451 etype, evalue, etraceback = exc_info 
    44452 TypeError: cannot unpack non-iterable NoneType object 
    44453  
    44454 TypeError: cannot unpack non-iterable NoneType object 
    44455  
    44456 File
    44457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44458 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44459 etype, evalue, etraceback = exc_info 
    44460  
    44461 See log for complete Python traceback. 
    44462  
    44463 Traceback (most recent call last): 
    44464 File
    44465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44466 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44467 return self._func(self._name, data) 
    44468 File
    44469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44470 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44471 if v.display: 
    44472 File
    44473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44474 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44475 return self._any_displayed_positions and len(self._positions) > 0 
    44476 TypeError: object of type 'NoneType' has no len() 
    44477  
    44478 During handling of the above exception, another exception occurred: 
    44479  
    44480 Traceback (most recent call last): 
    44481 File
    44482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44483 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44484 if not self.draw_new_frame(): 
    44485 File
    44486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44487 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44488 changed = view.check_for_drawing_change() 
    44489 File
    44490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44491 packages/chimerax/core/graphics/view.py", line 252, in
    44492 check_for_drawing_change 
    44493 trig.activate_trigger('graphics update', self) 
    44494 File
    44495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44496 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44497 trigger.activate(data) 
    44498 File
    44499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44500 packages/chimerax/core/triggerset.py", line 190, in activate 
    44501 ret = handler.invoke(data, self._remove_bad_handlers) 
    44502 File
    44503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44504 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44505 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44506 File
    44507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44508 packages/chimerax/core/session.py", line 943, in <lambda> 
    44509 logger.report_exception(preface=preface)) 
    44510 File
    44511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44512 packages/chimerax/core/logger.py", line 421, in report_exception 
    44513 elif probably_chimera1_session(exc_info): 
    44514 File
    44515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44516 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44517 etype, evalue, etraceback = exc_info 
    44518 TypeError: cannot unpack non-iterable NoneType object 
    44519  
    44520 TypeError: cannot unpack non-iterable NoneType object 
    44521  
    44522 File
    44523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44524 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44525 etype, evalue, etraceback = exc_info 
    44526  
    44527 See log for complete Python traceback. 
    44528  
    44529 Traceback (most recent call last): 
    44530 File
    44531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44532 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44533 return self._func(self._name, data) 
    44534 File
    44535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44536 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44537 if v.display: 
    44538 File
    44539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44540 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44541 return self._any_displayed_positions and len(self._positions) > 0 
    44542 TypeError: object of type 'NoneType' has no len() 
    44543  
    44544 During handling of the above exception, another exception occurred: 
    44545  
    44546 Traceback (most recent call last): 
    44547 File
    44548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44549 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44550 if not self.draw_new_frame(): 
    44551 File
    44552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44553 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44554 changed = view.check_for_drawing_change() 
    44555 File
    44556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44557 packages/chimerax/core/graphics/view.py", line 252, in
    44558 check_for_drawing_change 
    44559 trig.activate_trigger('graphics update', self) 
    44560 File
    44561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44562 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44563 trigger.activate(data) 
    44564 File
    44565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44566 packages/chimerax/core/triggerset.py", line 190, in activate 
    44567 ret = handler.invoke(data, self._remove_bad_handlers) 
    44568 File
    44569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44570 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44571 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44572 File
    44573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44574 packages/chimerax/core/session.py", line 943, in <lambda> 
    44575 logger.report_exception(preface=preface)) 
    44576 File
    44577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44578 packages/chimerax/core/logger.py", line 421, in report_exception 
    44579 elif probably_chimera1_session(exc_info): 
    44580 File
    44581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44582 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44583 etype, evalue, etraceback = exc_info 
    44584 TypeError: cannot unpack non-iterable NoneType object 
    44585  
    44586 TypeError: cannot unpack non-iterable NoneType object 
    44587  
    44588 File
    44589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44590 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44591 etype, evalue, etraceback = exc_info 
    44592  
    44593 See log for complete Python traceback. 
    44594  
    44595 Traceback (most recent call last): 
    44596 File
    44597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44598 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44599 return self._func(self._name, data) 
    44600 File
    44601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44602 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44603 if v.display: 
    44604 File
    44605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44606 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44607 return self._any_displayed_positions and len(self._positions) > 0 
    44608 TypeError: object of type 'NoneType' has no len() 
    44609  
    44610 During handling of the above exception, another exception occurred: 
    44611  
    44612 Traceback (most recent call last): 
    44613 File
    44614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44615 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44616 if not self.draw_new_frame(): 
    44617 File
    44618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44619 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44620 changed = view.check_for_drawing_change() 
    44621 File
    44622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44623 packages/chimerax/core/graphics/view.py", line 252, in
    44624 check_for_drawing_change 
    44625 trig.activate_trigger('graphics update', self) 
    44626 File
    44627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44628 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44629 trigger.activate(data) 
    44630 File
    44631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44632 packages/chimerax/core/triggerset.py", line 190, in activate 
    44633 ret = handler.invoke(data, self._remove_bad_handlers) 
    44634 File
    44635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44636 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44637 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44638 File
    44639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44640 packages/chimerax/core/session.py", line 943, in <lambda> 
    44641 logger.report_exception(preface=preface)) 
    44642 File
    44643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44644 packages/chimerax/core/logger.py", line 421, in report_exception 
    44645 elif probably_chimera1_session(exc_info): 
    44646 File
    44647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44648 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44649 etype, evalue, etraceback = exc_info 
    44650 TypeError: cannot unpack non-iterable NoneType object 
    44651  
    44652 TypeError: cannot unpack non-iterable NoneType object 
    44653  
    44654 File
    44655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44656 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44657 etype, evalue, etraceback = exc_info 
    44658  
    44659 See log for complete Python traceback. 
    44660  
    44661 Traceback (most recent call last): 
    44662 File
    44663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44664 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44665 return self._func(self._name, data) 
    44666 File
    44667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44668 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44669 if v.display: 
    44670 File
    44671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44672 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44673 return self._any_displayed_positions and len(self._positions) > 0 
    44674 TypeError: object of type 'NoneType' has no len() 
    44675  
    44676 During handling of the above exception, another exception occurred: 
    44677  
    44678 Traceback (most recent call last): 
    44679 File
    44680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44681 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44682 if not self.draw_new_frame(): 
    44683 File
    44684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44685 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44686 changed = view.check_for_drawing_change() 
    44687 File
    44688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44689 packages/chimerax/core/graphics/view.py", line 252, in
    44690 check_for_drawing_change 
    44691 trig.activate_trigger('graphics update', self) 
    44692 File
    44693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44694 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44695 trigger.activate(data) 
    44696 File
    44697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44698 packages/chimerax/core/triggerset.py", line 190, in activate 
    44699 ret = handler.invoke(data, self._remove_bad_handlers) 
    44700 File
    44701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44702 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44703 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44704 File
    44705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44706 packages/chimerax/core/session.py", line 943, in <lambda> 
    44707 logger.report_exception(preface=preface)) 
    44708 File
    44709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44710 packages/chimerax/core/logger.py", line 421, in report_exception 
    44711 elif probably_chimera1_session(exc_info): 
    44712 File
    44713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44714 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44715 etype, evalue, etraceback = exc_info 
    44716 TypeError: cannot unpack non-iterable NoneType object 
    44717  
    44718 TypeError: cannot unpack non-iterable NoneType object 
    44719  
    44720 File
    44721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44722 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44723 etype, evalue, etraceback = exc_info 
    44724  
    44725 See log for complete Python traceback. 
    44726  
    44727 Traceback (most recent call last): 
    44728 File
    44729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44730 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44731 return self._func(self._name, data) 
    44732 File
    44733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44734 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44735 if v.display: 
    44736 File
    44737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44738 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44739 return self._any_displayed_positions and len(self._positions) > 0 
    44740 TypeError: object of type 'NoneType' has no len() 
    44741  
    44742 During handling of the above exception, another exception occurred: 
    44743  
    44744 Traceback (most recent call last): 
    44745 File
    44746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44747 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44748 if not self.draw_new_frame(): 
    44749 File
    44750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44751 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44752 changed = view.check_for_drawing_change() 
    44753 File
    44754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44755 packages/chimerax/core/graphics/view.py", line 252, in
    44756 check_for_drawing_change 
    44757 trig.activate_trigger('graphics update', self) 
    44758 File
    44759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44760 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44761 trigger.activate(data) 
    44762 File
    44763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44764 packages/chimerax/core/triggerset.py", line 190, in activate 
    44765 ret = handler.invoke(data, self._remove_bad_handlers) 
    44766 File
    44767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44768 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44769 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44770 File
    44771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44772 packages/chimerax/core/session.py", line 943, in <lambda> 
    44773 logger.report_exception(preface=preface)) 
    44774 File
    44775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44776 packages/chimerax/core/logger.py", line 421, in report_exception 
    44777 elif probably_chimera1_session(exc_info): 
    44778 File
    44779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44780 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44781 etype, evalue, etraceback = exc_info 
    44782 TypeError: cannot unpack non-iterable NoneType object 
    44783  
    44784 TypeError: cannot unpack non-iterable NoneType object 
    44785  
    44786 File
    44787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44788 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44789 etype, evalue, etraceback = exc_info 
    44790  
    44791 See log for complete Python traceback. 
    44792  
    44793 Traceback (most recent call last): 
    44794 File
    44795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44796 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44797 return self._func(self._name, data) 
    44798 File
    44799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44800 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44801 if v.display: 
    44802 File
    44803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44804 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44805 return self._any_displayed_positions and len(self._positions) > 0 
    44806 TypeError: object of type 'NoneType' has no len() 
    44807  
    44808 During handling of the above exception, another exception occurred: 
    44809  
    44810 Traceback (most recent call last): 
    44811 File
    44812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44813 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44814 if not self.draw_new_frame(): 
    44815 File
    44816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44817 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44818 changed = view.check_for_drawing_change() 
    44819 File
    44820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44821 packages/chimerax/core/graphics/view.py", line 252, in
    44822 check_for_drawing_change 
    44823 trig.activate_trigger('graphics update', self) 
    44824 File
    44825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44826 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44827 trigger.activate(data) 
    44828 File
    44829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44830 packages/chimerax/core/triggerset.py", line 190, in activate 
    44831 ret = handler.invoke(data, self._remove_bad_handlers) 
    44832 File
    44833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44834 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44835 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44836 File
    44837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44838 packages/chimerax/core/session.py", line 943, in <lambda> 
    44839 logger.report_exception(preface=preface)) 
    44840 File
    44841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44842 packages/chimerax/core/logger.py", line 421, in report_exception 
    44843 elif probably_chimera1_session(exc_info): 
    44844 File
    44845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44846 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44847 etype, evalue, etraceback = exc_info 
    44848 TypeError: cannot unpack non-iterable NoneType object 
    44849  
    44850 TypeError: cannot unpack non-iterable NoneType object 
    44851  
    44852 File
    44853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44854 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44855 etype, evalue, etraceback = exc_info 
    44856  
    44857 See log for complete Python traceback. 
    44858  
    44859 Traceback (most recent call last): 
    44860 File
    44861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44862 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44863 return self._func(self._name, data) 
    44864 File
    44865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44866 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44867 if v.display: 
    44868 File
    44869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44870 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44871 return self._any_displayed_positions and len(self._positions) > 0 
    44872 TypeError: object of type 'NoneType' has no len() 
    44873  
    44874 During handling of the above exception, another exception occurred: 
    44875  
    44876 Traceback (most recent call last): 
    44877 File
    44878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44879 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44880 if not self.draw_new_frame(): 
    44881 File
    44882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44883 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44884 changed = view.check_for_drawing_change() 
    44885 File
    44886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44887 packages/chimerax/core/graphics/view.py", line 252, in
    44888 check_for_drawing_change 
    44889 trig.activate_trigger('graphics update', self) 
    44890 File
    44891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44892 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44893 trigger.activate(data) 
    44894 File
    44895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44896 packages/chimerax/core/triggerset.py", line 190, in activate 
    44897 ret = handler.invoke(data, self._remove_bad_handlers) 
    44898 File
    44899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44900 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44901 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44902 File
    44903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44904 packages/chimerax/core/session.py", line 943, in <lambda> 
    44905 logger.report_exception(preface=preface)) 
    44906 File
    44907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44908 packages/chimerax/core/logger.py", line 421, in report_exception 
    44909 elif probably_chimera1_session(exc_info): 
    44910 File
    44911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44912 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44913 etype, evalue, etraceback = exc_info 
    44914 TypeError: cannot unpack non-iterable NoneType object 
    44915  
    44916 TypeError: cannot unpack non-iterable NoneType object 
    44917  
    44918 File
    44919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44920 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44921 etype, evalue, etraceback = exc_info 
    44922  
    44923 See log for complete Python traceback. 
    44924  
    44925 Traceback (most recent call last): 
    44926 File
    44927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44928 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44929 return self._func(self._name, data) 
    44930 File
    44931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44932 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44933 if v.display: 
    44934 File
    44935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44936 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    44937 return self._any_displayed_positions and len(self._positions) > 0 
    44938 TypeError: object of type 'NoneType' has no len() 
    44939  
    44940 During handling of the above exception, another exception occurred: 
    44941  
    44942 Traceback (most recent call last): 
    44943 File
    44944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44945 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    44946 if not self.draw_new_frame(): 
    44947 File
    44948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44949 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    44950 changed = view.check_for_drawing_change() 
    44951 File
    44952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44953 packages/chimerax/core/graphics/view.py", line 252, in
    44954 check_for_drawing_change 
    44955 trig.activate_trigger('graphics update', self) 
    44956 File
    44957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44958 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    44959 trigger.activate(data) 
    44960 File
    44961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44962 packages/chimerax/core/triggerset.py", line 190, in activate 
    44963 ret = handler.invoke(data, self._remove_bad_handlers) 
    44964 File
    44965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44966 packages/chimerax/core/triggerset.py", line 132, in invoke 
    44967 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    44968 File
    44969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44970 packages/chimerax/core/session.py", line 943, in <lambda> 
    44971 logger.report_exception(preface=preface)) 
    44972 File
    44973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44974 packages/chimerax/core/logger.py", line 421, in report_exception 
    44975 elif probably_chimera1_session(exc_info): 
    44976 File
    44977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44978 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44979 etype, evalue, etraceback = exc_info 
    44980 TypeError: cannot unpack non-iterable NoneType object 
    44981  
    44982 TypeError: cannot unpack non-iterable NoneType object 
    44983  
    44984 File
    44985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44986 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    44987 etype, evalue, etraceback = exc_info 
    44988  
    44989 See log for complete Python traceback. 
    44990  
    44991 Traceback (most recent call last): 
    44992 File
    44993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44994 packages/chimerax/core/triggerset.py", line 130, in invoke 
    44995 return self._func(self._name, data) 
    44996 File
    44997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    44998 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    44999 if v.display: 
    45000 File
    45001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45002 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45003 return self._any_displayed_positions and len(self._positions) > 0 
    45004 TypeError: object of type 'NoneType' has no len() 
    45005  
    45006 During handling of the above exception, another exception occurred: 
    45007  
    45008 Traceback (most recent call last): 
    45009 File
    45010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45011 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45012 if not self.draw_new_frame(): 
    45013 File
    45014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45015 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45016 changed = view.check_for_drawing_change() 
    45017 File
    45018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45019 packages/chimerax/core/graphics/view.py", line 252, in
    45020 check_for_drawing_change 
    45021 trig.activate_trigger('graphics update', self) 
    45022 File
    45023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45024 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45025 trigger.activate(data) 
    45026 File
    45027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45028 packages/chimerax/core/triggerset.py", line 190, in activate 
    45029 ret = handler.invoke(data, self._remove_bad_handlers) 
    45030 File
    45031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45032 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45033 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45034 File
    45035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45036 packages/chimerax/core/session.py", line 943, in <lambda> 
    45037 logger.report_exception(preface=preface)) 
    45038 File
    45039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45040 packages/chimerax/core/logger.py", line 421, in report_exception 
    45041 elif probably_chimera1_session(exc_info): 
    45042 File
    45043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45044 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45045 etype, evalue, etraceback = exc_info 
    45046 TypeError: cannot unpack non-iterable NoneType object 
    45047  
    45048 TypeError: cannot unpack non-iterable NoneType object 
    45049  
    45050 File
    45051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45052 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45053 etype, evalue, etraceback = exc_info 
    45054  
    45055 See log for complete Python traceback. 
    45056  
    45057 Traceback (most recent call last): 
    45058 File
    45059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45060 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45061 return self._func(self._name, data) 
    45062 File
    45063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45064 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45065 if v.display: 
    45066 File
    45067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45068 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45069 return self._any_displayed_positions and len(self._positions) > 0 
    45070 TypeError: object of type 'NoneType' has no len() 
    45071  
    45072 During handling of the above exception, another exception occurred: 
    45073  
    45074 Traceback (most recent call last): 
    45075 File
    45076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45077 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45078 if not self.draw_new_frame(): 
    45079 File
    45080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45081 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45082 changed = view.check_for_drawing_change() 
    45083 File
    45084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45085 packages/chimerax/core/graphics/view.py", line 252, in
    45086 check_for_drawing_change 
    45087 trig.activate_trigger('graphics update', self) 
    45088 File
    45089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45090 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45091 trigger.activate(data) 
    45092 File
    45093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45094 packages/chimerax/core/triggerset.py", line 190, in activate 
    45095 ret = handler.invoke(data, self._remove_bad_handlers) 
    45096 File
    45097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45098 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45099 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45100 File
    45101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45102 packages/chimerax/core/session.py", line 943, in <lambda> 
    45103 logger.report_exception(preface=preface)) 
    45104 File
    45105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45106 packages/chimerax/core/logger.py", line 421, in report_exception 
    45107 elif probably_chimera1_session(exc_info): 
    45108 File
    45109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45110 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45111 etype, evalue, etraceback = exc_info 
    45112 TypeError: cannot unpack non-iterable NoneType object 
    45113  
    45114 TypeError: cannot unpack non-iterable NoneType object 
    45115  
    45116 File
    45117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45118 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45119 etype, evalue, etraceback = exc_info 
    45120  
    45121 See log for complete Python traceback. 
    45122  
    45123 Traceback (most recent call last): 
    45124 File
    45125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45126 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45127 return self._func(self._name, data) 
    45128 File
    45129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45130 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45131 if v.display: 
    45132 File
    45133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45134 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45135 return self._any_displayed_positions and len(self._positions) > 0 
    45136 TypeError: object of type 'NoneType' has no len() 
    45137  
    45138 During handling of the above exception, another exception occurred: 
    45139  
    45140 Traceback (most recent call last): 
    45141 File
    45142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45143 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45144 if not self.draw_new_frame(): 
    45145 File
    45146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45147 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45148 changed = view.check_for_drawing_change() 
    45149 File
    45150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45151 packages/chimerax/core/graphics/view.py", line 252, in
    45152 check_for_drawing_change 
    45153 trig.activate_trigger('graphics update', self) 
    45154 File
    45155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45156 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45157 trigger.activate(data) 
    45158 File
    45159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45160 packages/chimerax/core/triggerset.py", line 190, in activate 
    45161 ret = handler.invoke(data, self._remove_bad_handlers) 
    45162 File
    45163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45164 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45165 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45166 File
    45167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45168 packages/chimerax/core/session.py", line 943, in <lambda> 
    45169 logger.report_exception(preface=preface)) 
    45170 File
    45171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45172 packages/chimerax/core/logger.py", line 421, in report_exception 
    45173 elif probably_chimera1_session(exc_info): 
    45174 File
    45175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45176 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45177 etype, evalue, etraceback = exc_info 
    45178 TypeError: cannot unpack non-iterable NoneType object 
    45179  
    45180 TypeError: cannot unpack non-iterable NoneType object 
    45181  
    45182 File
    45183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45184 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45185 etype, evalue, etraceback = exc_info 
    45186  
    45187 See log for complete Python traceback. 
    45188  
    45189 Traceback (most recent call last): 
    45190 File
    45191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45192 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45193 return self._func(self._name, data) 
    45194 File
    45195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45196 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45197 if v.display: 
    45198 File
    45199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45200 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45201 return self._any_displayed_positions and len(self._positions) > 0 
    45202 TypeError: object of type 'NoneType' has no len() 
    45203  
    45204 During handling of the above exception, another exception occurred: 
    45205  
    45206 Traceback (most recent call last): 
    45207 File
    45208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45209 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45210 if not self.draw_new_frame(): 
    45211 File
    45212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45213 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45214 changed = view.check_for_drawing_change() 
    45215 File
    45216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45217 packages/chimerax/core/graphics/view.py", line 252, in
    45218 check_for_drawing_change 
    45219 trig.activate_trigger('graphics update', self) 
    45220 File
    45221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45222 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45223 trigger.activate(data) 
    45224 File
    45225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45226 packages/chimerax/core/triggerset.py", line 190, in activate 
    45227 ret = handler.invoke(data, self._remove_bad_handlers) 
    45228 File
    45229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45230 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45231 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45232 File
    45233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45234 packages/chimerax/core/session.py", line 943, in <lambda> 
    45235 logger.report_exception(preface=preface)) 
    45236 File
    45237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45238 packages/chimerax/core/logger.py", line 421, in report_exception 
    45239 elif probably_chimera1_session(exc_info): 
    45240 File
    45241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45242 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45243 etype, evalue, etraceback = exc_info 
    45244 TypeError: cannot unpack non-iterable NoneType object 
    45245  
    45246 TypeError: cannot unpack non-iterable NoneType object 
    45247  
    45248 File
    45249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45250 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45251 etype, evalue, etraceback = exc_info 
    45252  
    45253 See log for complete Python traceback. 
    45254  
    45255 Traceback (most recent call last): 
    45256 File
    45257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45258 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45259 return self._func(self._name, data) 
    45260 File
    45261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45262 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45263 if v.display: 
    45264 File
    45265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45266 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45267 return self._any_displayed_positions and len(self._positions) > 0 
    45268 TypeError: object of type 'NoneType' has no len() 
    45269  
    45270 During handling of the above exception, another exception occurred: 
    45271  
    45272 Traceback (most recent call last): 
    45273 File
    45274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45275 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45276 if not self.draw_new_frame(): 
    45277 File
    45278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45279 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45280 changed = view.check_for_drawing_change() 
    45281 File
    45282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45283 packages/chimerax/core/graphics/view.py", line 252, in
    45284 check_for_drawing_change 
    45285 trig.activate_trigger('graphics update', self) 
    45286 File
    45287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45288 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45289 trigger.activate(data) 
    45290 File
    45291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45292 packages/chimerax/core/triggerset.py", line 190, in activate 
    45293 ret = handler.invoke(data, self._remove_bad_handlers) 
    45294 File
    45295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45296 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45297 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45298 File
    45299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45300 packages/chimerax/core/session.py", line 943, in <lambda> 
    45301 logger.report_exception(preface=preface)) 
    45302 File
    45303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45304 packages/chimerax/core/logger.py", line 421, in report_exception 
    45305 elif probably_chimera1_session(exc_info): 
    45306 File
    45307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45308 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45309 etype, evalue, etraceback = exc_info 
    45310 TypeError: cannot unpack non-iterable NoneType object 
    45311  
    45312 TypeError: cannot unpack non-iterable NoneType object 
    45313  
    45314 File
    45315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45316 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45317 etype, evalue, etraceback = exc_info 
    45318  
    45319 See log for complete Python traceback. 
    45320  
    45321 Traceback (most recent call last): 
    45322 File
    45323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45324 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45325 return self._func(self._name, data) 
    45326 File
    45327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45328 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45329 if v.display: 
    45330 File
    45331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45332 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45333 return self._any_displayed_positions and len(self._positions) > 0 
    45334 TypeError: object of type 'NoneType' has no len() 
    45335  
    45336 During handling of the above exception, another exception occurred: 
    45337  
    45338 Traceback (most recent call last): 
    45339 File
    45340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45341 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45342 if not self.draw_new_frame(): 
    45343 File
    45344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45345 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45346 changed = view.check_for_drawing_change() 
    45347 File
    45348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45349 packages/chimerax/core/graphics/view.py", line 252, in
    45350 check_for_drawing_change 
    45351 trig.activate_trigger('graphics update', self) 
    45352 File
    45353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45354 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45355 trigger.activate(data) 
    45356 File
    45357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45358 packages/chimerax/core/triggerset.py", line 190, in activate 
    45359 ret = handler.invoke(data, self._remove_bad_handlers) 
    45360 File
    45361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45362 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45363 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45364 File
    45365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45366 packages/chimerax/core/session.py", line 943, in <lambda> 
    45367 logger.report_exception(preface=preface)) 
    45368 File
    45369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45370 packages/chimerax/core/logger.py", line 421, in report_exception 
    45371 elif probably_chimera1_session(exc_info): 
    45372 File
    45373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45374 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45375 etype, evalue, etraceback = exc_info 
    45376 TypeError: cannot unpack non-iterable NoneType object 
    45377  
    45378 TypeError: cannot unpack non-iterable NoneType object 
    45379  
    45380 File
    45381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45382 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45383 etype, evalue, etraceback = exc_info 
    45384  
    45385 See log for complete Python traceback. 
    45386  
    45387 Traceback (most recent call last): 
    45388 File
    45389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45390 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45391 return self._func(self._name, data) 
    45392 File
    45393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45394 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45395 if v.display: 
    45396 File
    45397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45398 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45399 return self._any_displayed_positions and len(self._positions) > 0 
    45400 TypeError: object of type 'NoneType' has no len() 
    45401  
    45402 During handling of the above exception, another exception occurred: 
    45403  
    45404 Traceback (most recent call last): 
    45405 File
    45406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45407 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45408 if not self.draw_new_frame(): 
    45409 File
    45410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45411 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45412 changed = view.check_for_drawing_change() 
    45413 File
    45414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45415 packages/chimerax/core/graphics/view.py", line 252, in
    45416 check_for_drawing_change 
    45417 trig.activate_trigger('graphics update', self) 
    45418 File
    45419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45420 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45421 trigger.activate(data) 
    45422 File
    45423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45424 packages/chimerax/core/triggerset.py", line 190, in activate 
    45425 ret = handler.invoke(data, self._remove_bad_handlers) 
    45426 File
    45427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45428 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45429 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45430 File
    45431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45432 packages/chimerax/core/session.py", line 943, in <lambda> 
    45433 logger.report_exception(preface=preface)) 
    45434 File
    45435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45436 packages/chimerax/core/logger.py", line 421, in report_exception 
    45437 elif probably_chimera1_session(exc_info): 
    45438 File
    45439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45440 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45441 etype, evalue, etraceback = exc_info 
    45442 TypeError: cannot unpack non-iterable NoneType object 
    45443  
    45444 TypeError: cannot unpack non-iterable NoneType object 
    45445  
    45446 File
    45447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45448 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45449 etype, evalue, etraceback = exc_info 
    45450  
    45451 See log for complete Python traceback. 
    45452  
    45453 Traceback (most recent call last): 
    45454 File
    45455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45456 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45457 return self._func(self._name, data) 
    45458 File
    45459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45460 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45461 if v.display: 
    45462 File
    45463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45464 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45465 return self._any_displayed_positions and len(self._positions) > 0 
    45466 TypeError: object of type 'NoneType' has no len() 
    45467  
    45468 During handling of the above exception, another exception occurred: 
    45469  
    45470 Traceback (most recent call last): 
    45471 File
    45472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45473 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45474 if not self.draw_new_frame(): 
    45475 File
    45476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45477 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45478 changed = view.check_for_drawing_change() 
    45479 File
    45480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45481 packages/chimerax/core/graphics/view.py", line 252, in
    45482 check_for_drawing_change 
    45483 trig.activate_trigger('graphics update', self) 
    45484 File
    45485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45486 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45487 trigger.activate(data) 
    45488 File
    45489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45490 packages/chimerax/core/triggerset.py", line 190, in activate 
    45491 ret = handler.invoke(data, self._remove_bad_handlers) 
    45492 File
    45493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45494 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45495 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45496 File
    45497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45498 packages/chimerax/core/session.py", line 943, in <lambda> 
    45499 logger.report_exception(preface=preface)) 
    45500 File
    45501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45502 packages/chimerax/core/logger.py", line 421, in report_exception 
    45503 elif probably_chimera1_session(exc_info): 
    45504 File
    45505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45506 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45507 etype, evalue, etraceback = exc_info 
    45508 TypeError: cannot unpack non-iterable NoneType object 
    45509  
    45510 TypeError: cannot unpack non-iterable NoneType object 
    45511  
    45512 File
    45513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45514 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45515 etype, evalue, etraceback = exc_info 
    45516  
    45517 See log for complete Python traceback. 
    45518  
    45519 Traceback (most recent call last): 
    45520 File
    45521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45522 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45523 return self._func(self._name, data) 
    45524 File
    45525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45526 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45527 if v.display: 
    45528 File
    45529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45530 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45531 return self._any_displayed_positions and len(self._positions) > 0 
    45532 TypeError: object of type 'NoneType' has no len() 
    45533  
    45534 During handling of the above exception, another exception occurred: 
    45535  
    45536 Traceback (most recent call last): 
    45537 File
    45538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45539 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45540 if not self.draw_new_frame(): 
    45541 File
    45542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45543 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45544 changed = view.check_for_drawing_change() 
    45545 File
    45546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45547 packages/chimerax/core/graphics/view.py", line 252, in
    45548 check_for_drawing_change 
    45549 trig.activate_trigger('graphics update', self) 
    45550 File
    45551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45552 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45553 trigger.activate(data) 
    45554 File
    45555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45556 packages/chimerax/core/triggerset.py", line 190, in activate 
    45557 ret = handler.invoke(data, self._remove_bad_handlers) 
    45558 File
    45559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45560 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45561 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45562 File
    45563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45564 packages/chimerax/core/session.py", line 943, in <lambda> 
    45565 logger.report_exception(preface=preface)) 
    45566 File
    45567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45568 packages/chimerax/core/logger.py", line 421, in report_exception 
    45569 elif probably_chimera1_session(exc_info): 
    45570 File
    45571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45572 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45573 etype, evalue, etraceback = exc_info 
    45574 TypeError: cannot unpack non-iterable NoneType object 
    45575  
    45576 TypeError: cannot unpack non-iterable NoneType object 
    45577  
    45578 File
    45579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45580 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45581 etype, evalue, etraceback = exc_info 
    45582  
    45583 See log for complete Python traceback. 
    45584  
    45585 Traceback (most recent call last): 
    45586 File
    45587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45588 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45589 return self._func(self._name, data) 
    45590 File
    45591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45592 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45593 if v.display: 
    45594 File
    45595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45596 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45597 return self._any_displayed_positions and len(self._positions) > 0 
    45598 TypeError: object of type 'NoneType' has no len() 
    45599  
    45600 During handling of the above exception, another exception occurred: 
    45601  
    45602 Traceback (most recent call last): 
    45603 File
    45604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45605 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45606 if not self.draw_new_frame(): 
    45607 File
    45608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45609 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45610 changed = view.check_for_drawing_change() 
    45611 File
    45612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45613 packages/chimerax/core/graphics/view.py", line 252, in
    45614 check_for_drawing_change 
    45615 trig.activate_trigger('graphics update', self) 
    45616 File
    45617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45618 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45619 trigger.activate(data) 
    45620 File
    45621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45622 packages/chimerax/core/triggerset.py", line 190, in activate 
    45623 ret = handler.invoke(data, self._remove_bad_handlers) 
    45624 File
    45625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45626 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45627 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45628 File
    45629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45630 packages/chimerax/core/session.py", line 943, in <lambda> 
    45631 logger.report_exception(preface=preface)) 
    45632 File
    45633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45634 packages/chimerax/core/logger.py", line 421, in report_exception 
    45635 elif probably_chimera1_session(exc_info): 
    45636 File
    45637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45638 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45639 etype, evalue, etraceback = exc_info 
    45640 TypeError: cannot unpack non-iterable NoneType object 
    45641  
    45642 TypeError: cannot unpack non-iterable NoneType object 
    45643  
    45644 File
    45645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45646 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45647 etype, evalue, etraceback = exc_info 
    45648  
    45649 See log for complete Python traceback. 
    45650  
    45651 Traceback (most recent call last): 
    45652 File
    45653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45654 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45655 return self._func(self._name, data) 
    45656 File
    45657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45658 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45659 if v.display: 
    45660 File
    45661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45662 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45663 return self._any_displayed_positions and len(self._positions) > 0 
    45664 TypeError: object of type 'NoneType' has no len() 
    45665  
    45666 During handling of the above exception, another exception occurred: 
    45667  
    45668 Traceback (most recent call last): 
    45669 File
    45670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45671 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45672 if not self.draw_new_frame(): 
    45673 File
    45674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45675 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45676 changed = view.check_for_drawing_change() 
    45677 File
    45678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45679 packages/chimerax/core/graphics/view.py", line 252, in
    45680 check_for_drawing_change 
    45681 trig.activate_trigger('graphics update', self) 
    45682 File
    45683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45684 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45685 trigger.activate(data) 
    45686 File
    45687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45688 packages/chimerax/core/triggerset.py", line 190, in activate 
    45689 ret = handler.invoke(data, self._remove_bad_handlers) 
    45690 File
    45691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45692 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45693 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45694 File
    45695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45696 packages/chimerax/core/session.py", line 943, in <lambda> 
    45697 logger.report_exception(preface=preface)) 
    45698 File
    45699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45700 packages/chimerax/core/logger.py", line 421, in report_exception 
    45701 elif probably_chimera1_session(exc_info): 
    45702 File
    45703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45704 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45705 etype, evalue, etraceback = exc_info 
    45706 TypeError: cannot unpack non-iterable NoneType object 
    45707  
    45708 TypeError: cannot unpack non-iterable NoneType object 
    45709  
    45710 File
    45711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45712 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45713 etype, evalue, etraceback = exc_info 
    45714  
    45715 See log for complete Python traceback. 
    45716  
    45717 Traceback (most recent call last): 
    45718 File
    45719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45720 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45721 return self._func(self._name, data) 
    45722 File
    45723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45724 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45725 if v.display: 
    45726 File
    45727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45728 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45729 return self._any_displayed_positions and len(self._positions) > 0 
    45730 TypeError: object of type 'NoneType' has no len() 
    45731  
    45732 During handling of the above exception, another exception occurred: 
    45733  
    45734 Traceback (most recent call last): 
    45735 File
    45736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45737 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45738 if not self.draw_new_frame(): 
    45739 File
    45740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45741 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45742 changed = view.check_for_drawing_change() 
    45743 File
    45744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45745 packages/chimerax/core/graphics/view.py", line 252, in
    45746 check_for_drawing_change 
    45747 trig.activate_trigger('graphics update', self) 
    45748 File
    45749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45750 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45751 trigger.activate(data) 
    45752 File
    45753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45754 packages/chimerax/core/triggerset.py", line 190, in activate 
    45755 ret = handler.invoke(data, self._remove_bad_handlers) 
    45756 File
    45757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45758 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45759 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45760 File
    45761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45762 packages/chimerax/core/session.py", line 943, in <lambda> 
    45763 logger.report_exception(preface=preface)) 
    45764 File
    45765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45766 packages/chimerax/core/logger.py", line 421, in report_exception 
    45767 elif probably_chimera1_session(exc_info): 
    45768 File
    45769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45770 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45771 etype, evalue, etraceback = exc_info 
    45772 TypeError: cannot unpack non-iterable NoneType object 
    45773  
    45774 TypeError: cannot unpack non-iterable NoneType object 
    45775  
    45776 File
    45777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45778 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45779 etype, evalue, etraceback = exc_info 
    45780  
    45781 See log for complete Python traceback. 
    45782  
    45783 Traceback (most recent call last): 
    45784 File
    45785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45786 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45787 return self._func(self._name, data) 
    45788 File
    45789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45790 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45791 if v.display: 
    45792 File
    45793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45794 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45795 return self._any_displayed_positions and len(self._positions) > 0 
    45796 TypeError: object of type 'NoneType' has no len() 
    45797  
    45798 During handling of the above exception, another exception occurred: 
    45799  
    45800 Traceback (most recent call last): 
    45801 File
    45802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45803 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45804 if not self.draw_new_frame(): 
    45805 File
    45806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45807 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45808 changed = view.check_for_drawing_change() 
    45809 File
    45810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45811 packages/chimerax/core/graphics/view.py", line 252, in
    45812 check_for_drawing_change 
    45813 trig.activate_trigger('graphics update', self) 
    45814 File
    45815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45816 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45817 trigger.activate(data) 
    45818 File
    45819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45820 packages/chimerax/core/triggerset.py", line 190, in activate 
    45821 ret = handler.invoke(data, self._remove_bad_handlers) 
    45822 File
    45823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45824 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45825 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45826 File
    45827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45828 packages/chimerax/core/session.py", line 943, in <lambda> 
    45829 logger.report_exception(preface=preface)) 
    45830 File
    45831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45832 packages/chimerax/core/logger.py", line 421, in report_exception 
    45833 elif probably_chimera1_session(exc_info): 
    45834 File
    45835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45836 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45837 etype, evalue, etraceback = exc_info 
    45838 TypeError: cannot unpack non-iterable NoneType object 
    45839  
    45840 TypeError: cannot unpack non-iterable NoneType object 
    45841  
    45842 File
    45843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45844 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45845 etype, evalue, etraceback = exc_info 
    45846  
    45847 See log for complete Python traceback. 
    45848  
    45849 Traceback (most recent call last): 
    45850 File
    45851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45852 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45853 return self._func(self._name, data) 
    45854 File
    45855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45856 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45857 if v.display: 
    45858 File
    45859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45860 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45861 return self._any_displayed_positions and len(self._positions) > 0 
    45862 TypeError: object of type 'NoneType' has no len() 
    45863  
    45864 During handling of the above exception, another exception occurred: 
    45865  
    45866 Traceback (most recent call last): 
    45867 File
    45868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45869 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45870 if not self.draw_new_frame(): 
    45871 File
    45872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45873 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45874 changed = view.check_for_drawing_change() 
    45875 File
    45876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45877 packages/chimerax/core/graphics/view.py", line 252, in
    45878 check_for_drawing_change 
    45879 trig.activate_trigger('graphics update', self) 
    45880 File
    45881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45882 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45883 trigger.activate(data) 
    45884 File
    45885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45886 packages/chimerax/core/triggerset.py", line 190, in activate 
    45887 ret = handler.invoke(data, self._remove_bad_handlers) 
    45888 File
    45889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45890 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45891 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45892 File
    45893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45894 packages/chimerax/core/session.py", line 943, in <lambda> 
    45895 logger.report_exception(preface=preface)) 
    45896 File
    45897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45898 packages/chimerax/core/logger.py", line 421, in report_exception 
    45899 elif probably_chimera1_session(exc_info): 
    45900 File
    45901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45902 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45903 etype, evalue, etraceback = exc_info 
    45904 TypeError: cannot unpack non-iterable NoneType object 
    45905  
    45906 TypeError: cannot unpack non-iterable NoneType object 
    45907  
    45908 File
    45909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45910 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45911 etype, evalue, etraceback = exc_info 
    45912  
    45913 See log for complete Python traceback. 
    45914  
    45915 Traceback (most recent call last): 
    45916 File
    45917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45919 return self._func(self._name, data) 
    45920 File
    45921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45922 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45923 if v.display: 
    45924 File
    45925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45926 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45927 return self._any_displayed_positions and len(self._positions) > 0 
    45928 TypeError: object of type 'NoneType' has no len() 
    45929  
    45930 During handling of the above exception, another exception occurred: 
    45931  
    45932 Traceback (most recent call last): 
    45933 File
    45934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45935 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    45936 if not self.draw_new_frame(): 
    45937 File
    45938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45939 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    45940 changed = view.check_for_drawing_change() 
    45941 File
    45942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45943 packages/chimerax/core/graphics/view.py", line 252, in
    45944 check_for_drawing_change 
    45945 trig.activate_trigger('graphics update', self) 
    45946 File
    45947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45948 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    45949 trigger.activate(data) 
    45950 File
    45951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45952 packages/chimerax/core/triggerset.py", line 190, in activate 
    45953 ret = handler.invoke(data, self._remove_bad_handlers) 
    45954 File
    45955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45956 packages/chimerax/core/triggerset.py", line 132, in invoke 
    45957 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    45958 File
    45959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45960 packages/chimerax/core/session.py", line 943, in <lambda> 
    45961 logger.report_exception(preface=preface)) 
    45962 File
    45963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45964 packages/chimerax/core/logger.py", line 421, in report_exception 
    45965 elif probably_chimera1_session(exc_info): 
    45966 File
    45967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45968 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45969 etype, evalue, etraceback = exc_info 
    45970 TypeError: cannot unpack non-iterable NoneType object 
    45971  
    45972 TypeError: cannot unpack non-iterable NoneType object 
    45973  
    45974 File
    45975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45976 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    45977 etype, evalue, etraceback = exc_info 
    45978  
    45979 See log for complete Python traceback. 
    45980  
    45981 Traceback (most recent call last): 
    45982 File
    45983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45984 packages/chimerax/core/triggerset.py", line 130, in invoke 
    45985 return self._func(self._name, data) 
    45986 File
    45987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45988 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    45989 if v.display: 
    45990 File
    45991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    45992 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    45993 return self._any_displayed_positions and len(self._positions) > 0 
    45994 TypeError: object of type 'NoneType' has no len() 
    45995  
    45996 During handling of the above exception, another exception occurred: 
    45997  
    45998 Traceback (most recent call last): 
    45999 File
    46000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46001 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46002 if not self.draw_new_frame(): 
    46003 File
    46004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46005 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46006 changed = view.check_for_drawing_change() 
    46007 File
    46008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46009 packages/chimerax/core/graphics/view.py", line 252, in
    46010 check_for_drawing_change 
    46011 trig.activate_trigger('graphics update', self) 
    46012 File
    46013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46014 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46015 trigger.activate(data) 
    46016 File
    46017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46018 packages/chimerax/core/triggerset.py", line 190, in activate 
    46019 ret = handler.invoke(data, self._remove_bad_handlers) 
    46020 File
    46021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46022 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46023 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46024 File
    46025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46026 packages/chimerax/core/session.py", line 943, in <lambda> 
    46027 logger.report_exception(preface=preface)) 
    46028 File
    46029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46030 packages/chimerax/core/logger.py", line 421, in report_exception 
    46031 elif probably_chimera1_session(exc_info): 
    46032 File
    46033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46034 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46035 etype, evalue, etraceback = exc_info 
    46036 TypeError: cannot unpack non-iterable NoneType object 
    46037  
    46038 TypeError: cannot unpack non-iterable NoneType object 
    46039  
    46040 File
    46041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46042 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46043 etype, evalue, etraceback = exc_info 
    46044  
    46045 See log for complete Python traceback. 
    46046  
    46047 Traceback (most recent call last): 
    46048 File
    46049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46050 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46051 return self._func(self._name, data) 
    46052 File
    46053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46054 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46055 if v.display: 
    46056 File
    46057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46058 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46059 return self._any_displayed_positions and len(self._positions) > 0 
    46060 TypeError: object of type 'NoneType' has no len() 
    46061  
    46062 During handling of the above exception, another exception occurred: 
    46063  
    46064 Traceback (most recent call last): 
    46065 File
    46066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46067 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46068 if not self.draw_new_frame(): 
    46069 File
    46070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46071 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46072 changed = view.check_for_drawing_change() 
    46073 File
    46074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46075 packages/chimerax/core/graphics/view.py", line 252, in
    46076 check_for_drawing_change 
    46077 trig.activate_trigger('graphics update', self) 
    46078 File
    46079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46080 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46081 trigger.activate(data) 
    46082 File
    46083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46084 packages/chimerax/core/triggerset.py", line 190, in activate 
    46085 ret = handler.invoke(data, self._remove_bad_handlers) 
    46086 File
    46087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46088 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46089 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46090 File
    46091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46092 packages/chimerax/core/session.py", line 943, in <lambda> 
    46093 logger.report_exception(preface=preface)) 
    46094 File
    46095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46096 packages/chimerax/core/logger.py", line 421, in report_exception 
    46097 elif probably_chimera1_session(exc_info): 
    46098 File
    46099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46100 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46101 etype, evalue, etraceback = exc_info 
    46102 TypeError: cannot unpack non-iterable NoneType object 
    46103  
    46104 TypeError: cannot unpack non-iterable NoneType object 
    46105  
    46106 File
    46107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46108 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46109 etype, evalue, etraceback = exc_info 
    46110  
    46111 See log for complete Python traceback. 
    46112  
    46113 Traceback (most recent call last): 
    46114 File
    46115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46116 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46117 return self._func(self._name, data) 
    46118 File
    46119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46120 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46121 if v.display: 
    46122 File
    46123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46124 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46125 return self._any_displayed_positions and len(self._positions) > 0 
    46126 TypeError: object of type 'NoneType' has no len() 
    46127  
    46128 During handling of the above exception, another exception occurred: 
    46129  
    46130 Traceback (most recent call last): 
    46131 File
    46132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46133 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46134 if not self.draw_new_frame(): 
    46135 File
    46136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46137 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46138 changed = view.check_for_drawing_change() 
    46139 File
    46140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46141 packages/chimerax/core/graphics/view.py", line 252, in
    46142 check_for_drawing_change 
    46143 trig.activate_trigger('graphics update', self) 
    46144 File
    46145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46146 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46147 trigger.activate(data) 
    46148 File
    46149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46150 packages/chimerax/core/triggerset.py", line 190, in activate 
    46151 ret = handler.invoke(data, self._remove_bad_handlers) 
    46152 File
    46153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46154 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46155 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46156 File
    46157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46158 packages/chimerax/core/session.py", line 943, in <lambda> 
    46159 logger.report_exception(preface=preface)) 
    46160 File
    46161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46162 packages/chimerax/core/logger.py", line 421, in report_exception 
    46163 elif probably_chimera1_session(exc_info): 
    46164 File
    46165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46166 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46167 etype, evalue, etraceback = exc_info 
    46168 TypeError: cannot unpack non-iterable NoneType object 
    46169  
    46170 TypeError: cannot unpack non-iterable NoneType object 
    46171  
    46172 File
    46173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46174 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46175 etype, evalue, etraceback = exc_info 
    46176  
    46177 See log for complete Python traceback. 
    46178  
    46179 Traceback (most recent call last): 
    46180 File
    46181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46182 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46183 return self._func(self._name, data) 
    46184 File
    46185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46186 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46187 if v.display: 
    46188 File
    46189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46190 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46191 return self._any_displayed_positions and len(self._positions) > 0 
    46192 TypeError: object of type 'NoneType' has no len() 
    46193  
    46194 During handling of the above exception, another exception occurred: 
    46195  
    46196 Traceback (most recent call last): 
    46197 File
    46198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46199 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46200 if not self.draw_new_frame(): 
    46201 File
    46202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46203 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46204 changed = view.check_for_drawing_change() 
    46205 File
    46206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46207 packages/chimerax/core/graphics/view.py", line 252, in
    46208 check_for_drawing_change 
    46209 trig.activate_trigger('graphics update', self) 
    46210 File
    46211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46212 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46213 trigger.activate(data) 
    46214 File
    46215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46216 packages/chimerax/core/triggerset.py", line 190, in activate 
    46217 ret = handler.invoke(data, self._remove_bad_handlers) 
    46218 File
    46219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46220 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46221 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46222 File
    46223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46224 packages/chimerax/core/session.py", line 943, in <lambda> 
    46225 logger.report_exception(preface=preface)) 
    46226 File
    46227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46228 packages/chimerax/core/logger.py", line 421, in report_exception 
    46229 elif probably_chimera1_session(exc_info): 
    46230 File
    46231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46232 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46233 etype, evalue, etraceback = exc_info 
    46234 TypeError: cannot unpack non-iterable NoneType object 
    46235  
    46236 TypeError: cannot unpack non-iterable NoneType object 
    46237  
    46238 File
    46239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46240 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46241 etype, evalue, etraceback = exc_info 
    46242  
    46243 See log for complete Python traceback. 
    46244  
    46245 Traceback (most recent call last): 
    46246 File
    46247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46248 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46249 return self._func(self._name, data) 
    46250 File
    46251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46252 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46253 if v.display: 
    46254 File
    46255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46256 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46257 return self._any_displayed_positions and len(self._positions) > 0 
    46258 TypeError: object of type 'NoneType' has no len() 
    46259  
    46260 During handling of the above exception, another exception occurred: 
    46261  
    46262 Traceback (most recent call last): 
    46263 File
    46264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46265 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46266 if not self.draw_new_frame(): 
    46267 File
    46268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46269 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46270 changed = view.check_for_drawing_change() 
    46271 File
    46272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46273 packages/chimerax/core/graphics/view.py", line 252, in
    46274 check_for_drawing_change 
    46275 trig.activate_trigger('graphics update', self) 
    46276 File
    46277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46278 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46279 trigger.activate(data) 
    46280 File
    46281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46282 packages/chimerax/core/triggerset.py", line 190, in activate 
    46283 ret = handler.invoke(data, self._remove_bad_handlers) 
    46284 File
    46285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46286 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46287 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46288 File
    46289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46290 packages/chimerax/core/session.py", line 943, in <lambda> 
    46291 logger.report_exception(preface=preface)) 
    46292 File
    46293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46294 packages/chimerax/core/logger.py", line 421, in report_exception 
    46295 elif probably_chimera1_session(exc_info): 
    46296 File
    46297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46298 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46299 etype, evalue, etraceback = exc_info 
    46300 TypeError: cannot unpack non-iterable NoneType object 
    46301  
    46302 TypeError: cannot unpack non-iterable NoneType object 
    46303  
    46304 File
    46305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46306 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46307 etype, evalue, etraceback = exc_info 
    46308  
    46309 See log for complete Python traceback. 
    46310  
    46311 Traceback (most recent call last): 
    46312 File
    46313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46314 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46315 return self._func(self._name, data) 
    46316 File
    46317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46318 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46319 if v.display: 
    46320 File
    46321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46322 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46323 return self._any_displayed_positions and len(self._positions) > 0 
    46324 TypeError: object of type 'NoneType' has no len() 
    46325  
    46326 During handling of the above exception, another exception occurred: 
    46327  
    46328 Traceback (most recent call last): 
    46329 File
    46330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46331 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46332 if not self.draw_new_frame(): 
    46333 File
    46334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46335 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46336 changed = view.check_for_drawing_change() 
    46337 File
    46338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46339 packages/chimerax/core/graphics/view.py", line 252, in
    46340 check_for_drawing_change 
    46341 trig.activate_trigger('graphics update', self) 
    46342 File
    46343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46344 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46345 trigger.activate(data) 
    46346 File
    46347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46348 packages/chimerax/core/triggerset.py", line 190, in activate 
    46349 ret = handler.invoke(data, self._remove_bad_handlers) 
    46350 File
    46351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46352 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46353 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46354 File
    46355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46356 packages/chimerax/core/session.py", line 943, in <lambda> 
    46357 logger.report_exception(preface=preface)) 
    46358 File
    46359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46360 packages/chimerax/core/logger.py", line 421, in report_exception 
    46361 elif probably_chimera1_session(exc_info): 
    46362 File
    46363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46364 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46365 etype, evalue, etraceback = exc_info 
    46366 TypeError: cannot unpack non-iterable NoneType object 
    46367  
    46368 TypeError: cannot unpack non-iterable NoneType object 
    46369  
    46370 File
    46371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46372 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46373 etype, evalue, etraceback = exc_info 
    46374  
    46375 See log for complete Python traceback. 
    46376  
    46377 Traceback (most recent call last): 
    46378 File
    46379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46380 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46381 return self._func(self._name, data) 
    46382 File
    46383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46384 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46385 if v.display: 
    46386 File
    46387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46388 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46389 return self._any_displayed_positions and len(self._positions) > 0 
    46390 TypeError: object of type 'NoneType' has no len() 
    46391  
    46392 During handling of the above exception, another exception occurred: 
    46393  
    46394 Traceback (most recent call last): 
    46395 File
    46396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46397 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46398 if not self.draw_new_frame(): 
    46399 File
    46400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46401 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46402 changed = view.check_for_drawing_change() 
    46403 File
    46404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46405 packages/chimerax/core/graphics/view.py", line 252, in
    46406 check_for_drawing_change 
    46407 trig.activate_trigger('graphics update', self) 
    46408 File
    46409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46410 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46411 trigger.activate(data) 
    46412 File
    46413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46414 packages/chimerax/core/triggerset.py", line 190, in activate 
    46415 ret = handler.invoke(data, self._remove_bad_handlers) 
    46416 File
    46417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46418 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46419 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46420 File
    46421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46422 packages/chimerax/core/session.py", line 943, in <lambda> 
    46423 logger.report_exception(preface=preface)) 
    46424 File
    46425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46426 packages/chimerax/core/logger.py", line 421, in report_exception 
    46427 elif probably_chimera1_session(exc_info): 
    46428 File
    46429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46430 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46431 etype, evalue, etraceback = exc_info 
    46432 TypeError: cannot unpack non-iterable NoneType object 
    46433  
    46434 TypeError: cannot unpack non-iterable NoneType object 
    46435  
    46436 File
    46437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46438 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46439 etype, evalue, etraceback = exc_info 
    46440  
    46441 See log for complete Python traceback. 
    46442  
    46443 Traceback (most recent call last): 
    46444 File
    46445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46446 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46447 return self._func(self._name, data) 
    46448 File
    46449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46450 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46451 if v.display: 
    46452 File
    46453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46454 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46455 return self._any_displayed_positions and len(self._positions) > 0 
    46456 TypeError: object of type 'NoneType' has no len() 
    46457  
    46458 During handling of the above exception, another exception occurred: 
    46459  
    46460 Traceback (most recent call last): 
    46461 File
    46462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46463 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46464 if not self.draw_new_frame(): 
    46465 File
    46466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46467 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46468 changed = view.check_for_drawing_change() 
    46469 File
    46470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46471 packages/chimerax/core/graphics/view.py", line 252, in
    46472 check_for_drawing_change 
    46473 trig.activate_trigger('graphics update', self) 
    46474 File
    46475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46476 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46477 trigger.activate(data) 
    46478 File
    46479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46480 packages/chimerax/core/triggerset.py", line 190, in activate 
    46481 ret = handler.invoke(data, self._remove_bad_handlers) 
    46482 File
    46483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46484 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46485 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46486 File
    46487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46488 packages/chimerax/core/session.py", line 943, in <lambda> 
    46489 logger.report_exception(preface=preface)) 
    46490 File
    46491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46492 packages/chimerax/core/logger.py", line 421, in report_exception 
    46493 elif probably_chimera1_session(exc_info): 
    46494 File
    46495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46496 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46497 etype, evalue, etraceback = exc_info 
    46498 TypeError: cannot unpack non-iterable NoneType object 
    46499  
    46500 TypeError: cannot unpack non-iterable NoneType object 
    46501  
    46502 File
    46503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46504 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46505 etype, evalue, etraceback = exc_info 
    46506  
    46507 See log for complete Python traceback. 
    46508  
    46509 Traceback (most recent call last): 
    46510 File
    46511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46512 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46513 return self._func(self._name, data) 
    46514 File
    46515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46516 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46517 if v.display: 
    46518 File
    46519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46520 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46521 return self._any_displayed_positions and len(self._positions) > 0 
    46522 TypeError: object of type 'NoneType' has no len() 
    46523  
    46524 During handling of the above exception, another exception occurred: 
    46525  
    46526 Traceback (most recent call last): 
    46527 File
    46528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46529 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46530 if not self.draw_new_frame(): 
    46531 File
    46532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46533 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46534 changed = view.check_for_drawing_change() 
    46535 File
    46536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46537 packages/chimerax/core/graphics/view.py", line 252, in
    46538 check_for_drawing_change 
    46539 trig.activate_trigger('graphics update', self) 
    46540 File
    46541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46542 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46543 trigger.activate(data) 
    46544 File
    46545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46546 packages/chimerax/core/triggerset.py", line 190, in activate 
    46547 ret = handler.invoke(data, self._remove_bad_handlers) 
    46548 File
    46549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46550 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46551 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46552 File
    46553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46554 packages/chimerax/core/session.py", line 943, in <lambda> 
    46555 logger.report_exception(preface=preface)) 
    46556 File
    46557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46558 packages/chimerax/core/logger.py", line 421, in report_exception 
    46559 elif probably_chimera1_session(exc_info): 
    46560 File
    46561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46562 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46563 etype, evalue, etraceback = exc_info 
    46564 TypeError: cannot unpack non-iterable NoneType object 
    46565  
    46566 TypeError: cannot unpack non-iterable NoneType object 
    46567  
    46568 File
    46569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46570 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46571 etype, evalue, etraceback = exc_info 
    46572  
    46573 See log for complete Python traceback. 
    46574  
    46575 Traceback (most recent call last): 
    46576 File
    46577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46578 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46579 return self._func(self._name, data) 
    46580 File
    46581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46582 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46583 if v.display: 
    46584 File
    46585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46586 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46587 return self._any_displayed_positions and len(self._positions) > 0 
    46588 TypeError: object of type 'NoneType' has no len() 
    46589  
    46590 During handling of the above exception, another exception occurred: 
    46591  
    46592 Traceback (most recent call last): 
    46593 File
    46594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46595 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46596 if not self.draw_new_frame(): 
    46597 File
    46598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46599 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46600 changed = view.check_for_drawing_change() 
    46601 File
    46602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46603 packages/chimerax/core/graphics/view.py", line 252, in
    46604 check_for_drawing_change 
    46605 trig.activate_trigger('graphics update', self) 
    46606 File
    46607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46608 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46609 trigger.activate(data) 
    46610 File
    46611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46612 packages/chimerax/core/triggerset.py", line 190, in activate 
    46613 ret = handler.invoke(data, self._remove_bad_handlers) 
    46614 File
    46615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46616 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46617 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46618 File
    46619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46620 packages/chimerax/core/session.py", line 943, in <lambda> 
    46621 logger.report_exception(preface=preface)) 
    46622 File
    46623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46624 packages/chimerax/core/logger.py", line 421, in report_exception 
    46625 elif probably_chimera1_session(exc_info): 
    46626 File
    46627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46628 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46629 etype, evalue, etraceback = exc_info 
    46630 TypeError: cannot unpack non-iterable NoneType object 
    46631  
    46632 TypeError: cannot unpack non-iterable NoneType object 
    46633  
    46634 File
    46635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46636 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46637 etype, evalue, etraceback = exc_info 
    46638  
    46639 See log for complete Python traceback. 
    46640  
    46641 Traceback (most recent call last): 
    46642 File
    46643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46644 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46645 return self._func(self._name, data) 
    46646 File
    46647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46648 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46649 if v.display: 
    46650 File
    46651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46652 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46653 return self._any_displayed_positions and len(self._positions) > 0 
    46654 TypeError: object of type 'NoneType' has no len() 
    46655  
    46656 During handling of the above exception, another exception occurred: 
    46657  
    46658 Traceback (most recent call last): 
    46659 File
    46660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46661 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46662 if not self.draw_new_frame(): 
    46663 File
    46664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46665 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46666 changed = view.check_for_drawing_change() 
    46667 File
    46668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46669 packages/chimerax/core/graphics/view.py", line 252, in
    46670 check_for_drawing_change 
    46671 trig.activate_trigger('graphics update', self) 
    46672 File
    46673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46674 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46675 trigger.activate(data) 
    46676 File
    46677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46678 packages/chimerax/core/triggerset.py", line 190, in activate 
    46679 ret = handler.invoke(data, self._remove_bad_handlers) 
    46680 File
    46681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46682 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46683 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46684 File
    46685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46686 packages/chimerax/core/session.py", line 943, in <lambda> 
    46687 logger.report_exception(preface=preface)) 
    46688 File
    46689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46690 packages/chimerax/core/logger.py", line 421, in report_exception 
    46691 elif probably_chimera1_session(exc_info): 
    46692 File
    46693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46694 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46695 etype, evalue, etraceback = exc_info 
    46696 TypeError: cannot unpack non-iterable NoneType object 
    46697  
    46698 TypeError: cannot unpack non-iterable NoneType object 
    46699  
    46700 File
    46701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46702 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46703 etype, evalue, etraceback = exc_info 
    46704  
    46705 See log for complete Python traceback. 
    46706  
    46707 Traceback (most recent call last): 
    46708 File
    46709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46710 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46711 return self._func(self._name, data) 
    46712 File
    46713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46714 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46715 if v.display: 
    46716 File
    46717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46718 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46719 return self._any_displayed_positions and len(self._positions) > 0 
    46720 TypeError: object of type 'NoneType' has no len() 
    46721  
    46722 During handling of the above exception, another exception occurred: 
    46723  
    46724 Traceback (most recent call last): 
    46725 File
    46726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46727 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46728 if not self.draw_new_frame(): 
    46729 File
    46730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46731 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46732 changed = view.check_for_drawing_change() 
    46733 File
    46734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46735 packages/chimerax/core/graphics/view.py", line 252, in
    46736 check_for_drawing_change 
    46737 trig.activate_trigger('graphics update', self) 
    46738 File
    46739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46740 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46741 trigger.activate(data) 
    46742 File
    46743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46744 packages/chimerax/core/triggerset.py", line 190, in activate 
    46745 ret = handler.invoke(data, self._remove_bad_handlers) 
    46746 File
    46747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46748 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46749 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46750 File
    46751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46752 packages/chimerax/core/session.py", line 943, in <lambda> 
    46753 logger.report_exception(preface=preface)) 
    46754 File
    46755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46756 packages/chimerax/core/logger.py", line 421, in report_exception 
    46757 elif probably_chimera1_session(exc_info): 
    46758 File
    46759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46760 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46761 etype, evalue, etraceback = exc_info 
    46762 TypeError: cannot unpack non-iterable NoneType object 
    46763  
    46764 TypeError: cannot unpack non-iterable NoneType object 
    46765  
    46766 File
    46767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46768 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46769 etype, evalue, etraceback = exc_info 
    46770  
    46771 See log for complete Python traceback. 
    46772  
    46773 Traceback (most recent call last): 
    46774 File
    46775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46776 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46777 return self._func(self._name, data) 
    46778 File
    46779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46780 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46781 if v.display: 
    46782 File
    46783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46784 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46785 return self._any_displayed_positions and len(self._positions) > 0 
    46786 TypeError: object of type 'NoneType' has no len() 
    46787  
    46788 During handling of the above exception, another exception occurred: 
    46789  
    46790 Traceback (most recent call last): 
    46791 File
    46792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46793 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46794 if not self.draw_new_frame(): 
    46795 File
    46796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46797 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46798 changed = view.check_for_drawing_change() 
    46799 File
    46800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46801 packages/chimerax/core/graphics/view.py", line 252, in
    46802 check_for_drawing_change 
    46803 trig.activate_trigger('graphics update', self) 
    46804 File
    46805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46806 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46807 trigger.activate(data) 
    46808 File
    46809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46810 packages/chimerax/core/triggerset.py", line 190, in activate 
    46811 ret = handler.invoke(data, self._remove_bad_handlers) 
    46812 File
    46813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46814 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46815 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46816 File
    46817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46818 packages/chimerax/core/session.py", line 943, in <lambda> 
    46819 logger.report_exception(preface=preface)) 
    46820 File
    46821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46822 packages/chimerax/core/logger.py", line 421, in report_exception 
    46823 elif probably_chimera1_session(exc_info): 
    46824 File
    46825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46826 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46827 etype, evalue, etraceback = exc_info 
    46828 TypeError: cannot unpack non-iterable NoneType object 
    46829  
    46830 TypeError: cannot unpack non-iterable NoneType object 
    46831  
    46832 File
    46833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46834 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46835 etype, evalue, etraceback = exc_info 
    46836  
    46837 See log for complete Python traceback. 
    46838  
    46839 Traceback (most recent call last): 
    46840 File
    46841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46842 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46843 return self._func(self._name, data) 
    46844 File
    46845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46846 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46847 if v.display: 
    46848 File
    46849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46850 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46851 return self._any_displayed_positions and len(self._positions) > 0 
    46852 TypeError: object of type 'NoneType' has no len() 
    46853  
    46854 During handling of the above exception, another exception occurred: 
    46855  
    46856 Traceback (most recent call last): 
    46857 File
    46858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46859 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46860 if not self.draw_new_frame(): 
    46861 File
    46862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46863 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46864 changed = view.check_for_drawing_change() 
    46865 File
    46866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46867 packages/chimerax/core/graphics/view.py", line 252, in
    46868 check_for_drawing_change 
    46869 trig.activate_trigger('graphics update', self) 
    46870 File
    46871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46872 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46873 trigger.activate(data) 
    46874 File
    46875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46876 packages/chimerax/core/triggerset.py", line 190, in activate 
    46877 ret = handler.invoke(data, self._remove_bad_handlers) 
    46878 File
    46879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46880 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46881 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46882 File
    46883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46884 packages/chimerax/core/session.py", line 943, in <lambda> 
    46885 logger.report_exception(preface=preface)) 
    46886 File
    46887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46888 packages/chimerax/core/logger.py", line 421, in report_exception 
    46889 elif probably_chimera1_session(exc_info): 
    46890 File
    46891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46892 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46893 etype, evalue, etraceback = exc_info 
    46894 TypeError: cannot unpack non-iterable NoneType object 
    46895  
    46896 TypeError: cannot unpack non-iterable NoneType object 
    46897  
    46898 File
    46899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46900 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46901 etype, evalue, etraceback = exc_info 
    46902  
    46903 See log for complete Python traceback. 
    46904  
    46905 Traceback (most recent call last): 
    46906 File
    46907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46908 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46909 return self._func(self._name, data) 
    46910 File
    46911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46912 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46913 if v.display: 
    46914 File
    46915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46916 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46917 return self._any_displayed_positions and len(self._positions) > 0 
    46918 TypeError: object of type 'NoneType' has no len() 
    46919  
    46920 During handling of the above exception, another exception occurred: 
    46921  
    46922 Traceback (most recent call last): 
    46923 File
    46924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46925 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46926 if not self.draw_new_frame(): 
    46927 File
    46928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46929 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46930 changed = view.check_for_drawing_change() 
    46931 File
    46932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46933 packages/chimerax/core/graphics/view.py", line 252, in
    46934 check_for_drawing_change 
    46935 trig.activate_trigger('graphics update', self) 
    46936 File
    46937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46938 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    46939 trigger.activate(data) 
    46940 File
    46941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46942 packages/chimerax/core/triggerset.py", line 190, in activate 
    46943 ret = handler.invoke(data, self._remove_bad_handlers) 
    46944 File
    46945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46946 packages/chimerax/core/triggerset.py", line 132, in invoke 
    46947 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    46948 File
    46949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46950 packages/chimerax/core/session.py", line 943, in <lambda> 
    46951 logger.report_exception(preface=preface)) 
    46952 File
    46953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46954 packages/chimerax/core/logger.py", line 421, in report_exception 
    46955 elif probably_chimera1_session(exc_info): 
    46956 File
    46957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46958 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46959 etype, evalue, etraceback = exc_info 
    46960 TypeError: cannot unpack non-iterable NoneType object 
    46961  
    46962 TypeError: cannot unpack non-iterable NoneType object 
    46963  
    46964 File
    46965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46966 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    46967 etype, evalue, etraceback = exc_info 
    46968  
    46969 See log for complete Python traceback. 
    46970  
    46971 Traceback (most recent call last): 
    46972 File
    46973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46974 packages/chimerax/core/triggerset.py", line 130, in invoke 
    46975 return self._func(self._name, data) 
    46976 File
    46977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46978 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    46979 if v.display: 
    46980 File
    46981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46982 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    46983 return self._any_displayed_positions and len(self._positions) > 0 
    46984 TypeError: object of type 'NoneType' has no len() 
    46985  
    46986 During handling of the above exception, another exception occurred: 
    46987  
    46988 Traceback (most recent call last): 
    46989 File
    46990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46991 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    46992 if not self.draw_new_frame(): 
    46993 File
    46994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46995 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    46996 changed = view.check_for_drawing_change() 
    46997 File
    46998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    46999 packages/chimerax/core/graphics/view.py", line 252, in
    47000 check_for_drawing_change 
    47001 trig.activate_trigger('graphics update', self) 
    47002 File
    47003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47004 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47005 trigger.activate(data) 
    47006 File
    47007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47008 packages/chimerax/core/triggerset.py", line 190, in activate 
    47009 ret = handler.invoke(data, self._remove_bad_handlers) 
    47010 File
    47011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47012 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47013 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47014 File
    47015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47016 packages/chimerax/core/session.py", line 943, in <lambda> 
    47017 logger.report_exception(preface=preface)) 
    47018 File
    47019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47020 packages/chimerax/core/logger.py", line 421, in report_exception 
    47021 elif probably_chimera1_session(exc_info): 
    47022 File
    47023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47024 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47025 etype, evalue, etraceback = exc_info 
    47026 TypeError: cannot unpack non-iterable NoneType object 
    47027  
    47028 TypeError: cannot unpack non-iterable NoneType object 
    47029  
    47030 File
    47031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47032 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47033 etype, evalue, etraceback = exc_info 
    47034  
    47035 See log for complete Python traceback. 
    47036  
    47037 Traceback (most recent call last): 
    47038 File
    47039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47040 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47041 return self._func(self._name, data) 
    47042 File
    47043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47044 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47045 if v.display: 
    47046 File
    47047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47048 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47049 return self._any_displayed_positions and len(self._positions) > 0 
    47050 TypeError: object of type 'NoneType' has no len() 
    47051  
    47052 During handling of the above exception, another exception occurred: 
    47053  
    47054 Traceback (most recent call last): 
    47055 File
    47056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47057 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47058 if not self.draw_new_frame(): 
    47059 File
    47060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47061 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47062 changed = view.check_for_drawing_change() 
    47063 File
    47064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47065 packages/chimerax/core/graphics/view.py", line 252, in
    47066 check_for_drawing_change 
    47067 trig.activate_trigger('graphics update', self) 
    47068 File
    47069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47070 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47071 trigger.activate(data) 
    47072 File
    47073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47074 packages/chimerax/core/triggerset.py", line 190, in activate 
    47075 ret = handler.invoke(data, self._remove_bad_handlers) 
    47076 File
    47077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47078 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47079 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47080 File
    47081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47082 packages/chimerax/core/session.py", line 943, in <lambda> 
    47083 logger.report_exception(preface=preface)) 
    47084 File
    47085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47086 packages/chimerax/core/logger.py", line 421, in report_exception 
    47087 elif probably_chimera1_session(exc_info): 
    47088 File
    47089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47090 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47091 etype, evalue, etraceback = exc_info 
    47092 TypeError: cannot unpack non-iterable NoneType object 
    47093  
    47094 TypeError: cannot unpack non-iterable NoneType object 
    47095  
    47096 File
    47097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47098 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47099 etype, evalue, etraceback = exc_info 
    47100  
    47101 See log for complete Python traceback. 
    47102  
    47103 Traceback (most recent call last): 
    47104 File
    47105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47106 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47107 return self._func(self._name, data) 
    47108 File
    47109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47110 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47111 if v.display: 
    47112 File
    47113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47114 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47115 return self._any_displayed_positions and len(self._positions) > 0 
    47116 TypeError: object of type 'NoneType' has no len() 
    47117  
    47118 During handling of the above exception, another exception occurred: 
    47119  
    47120 Traceback (most recent call last): 
    47121 File
    47122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47123 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47124 if not self.draw_new_frame(): 
    47125 File
    47126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47127 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47128 changed = view.check_for_drawing_change() 
    47129 File
    47130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47131 packages/chimerax/core/graphics/view.py", line 252, in
    47132 check_for_drawing_change 
    47133 trig.activate_trigger('graphics update', self) 
    47134 File
    47135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47136 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47137 trigger.activate(data) 
    47138 File
    47139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47140 packages/chimerax/core/triggerset.py", line 190, in activate 
    47141 ret = handler.invoke(data, self._remove_bad_handlers) 
    47142 File
    47143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47144 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47145 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47146 File
    47147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47148 packages/chimerax/core/session.py", line 943, in <lambda> 
    47149 logger.report_exception(preface=preface)) 
    47150 File
    47151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47152 packages/chimerax/core/logger.py", line 421, in report_exception 
    47153 elif probably_chimera1_session(exc_info): 
    47154 File
    47155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47156 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47157 etype, evalue, etraceback = exc_info 
    47158 TypeError: cannot unpack non-iterable NoneType object 
    47159  
    47160 TypeError: cannot unpack non-iterable NoneType object 
    47161  
    47162 File
    47163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47164 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47165 etype, evalue, etraceback = exc_info 
    47166  
    47167 See log for complete Python traceback. 
    47168  
    47169 Traceback (most recent call last): 
    47170 File
    47171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47172 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47173 return self._func(self._name, data) 
    47174 File
    47175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47176 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47177 if v.display: 
    47178 File
    47179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47180 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47181 return self._any_displayed_positions and len(self._positions) > 0 
    47182 TypeError: object of type 'NoneType' has no len() 
    47183  
    47184 During handling of the above exception, another exception occurred: 
    47185  
    47186 Traceback (most recent call last): 
    47187 File
    47188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47189 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47190 if not self.draw_new_frame(): 
    47191 File
    47192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47193 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47194 changed = view.check_for_drawing_change() 
    47195 File
    47196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47197 packages/chimerax/core/graphics/view.py", line 252, in
    47198 check_for_drawing_change 
    47199 trig.activate_trigger('graphics update', self) 
    47200 File
    47201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47202 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47203 trigger.activate(data) 
    47204 File
    47205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47206 packages/chimerax/core/triggerset.py", line 190, in activate 
    47207 ret = handler.invoke(data, self._remove_bad_handlers) 
    47208 File
    47209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47210 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47211 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47212 File
    47213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47214 packages/chimerax/core/session.py", line 943, in <lambda> 
    47215 logger.report_exception(preface=preface)) 
    47216 File
    47217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47218 packages/chimerax/core/logger.py", line 421, in report_exception 
    47219 elif probably_chimera1_session(exc_info): 
    47220 File
    47221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47222 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47223 etype, evalue, etraceback = exc_info 
    47224 TypeError: cannot unpack non-iterable NoneType object 
    47225  
    47226 TypeError: cannot unpack non-iterable NoneType object 
    47227  
    47228 File
    47229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47230 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47231 etype, evalue, etraceback = exc_info 
    47232  
    47233 See log for complete Python traceback. 
    47234  
    47235 Traceback (most recent call last): 
    47236 File
    47237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47238 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47239 return self._func(self._name, data) 
    47240 File
    47241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47242 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47243 if v.display: 
    47244 File
    47245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47246 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47247 return self._any_displayed_positions and len(self._positions) > 0 
    47248 TypeError: object of type 'NoneType' has no len() 
    47249  
    47250 During handling of the above exception, another exception occurred: 
    47251  
    47252 Traceback (most recent call last): 
    47253 File
    47254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47255 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47256 if not self.draw_new_frame(): 
    47257 File
    47258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47259 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47260 changed = view.check_for_drawing_change() 
    47261 File
    47262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47263 packages/chimerax/core/graphics/view.py", line 252, in
    47264 check_for_drawing_change 
    47265 trig.activate_trigger('graphics update', self) 
    47266 File
    47267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47268 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47269 trigger.activate(data) 
    47270 File
    47271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47272 packages/chimerax/core/triggerset.py", line 190, in activate 
    47273 ret = handler.invoke(data, self._remove_bad_handlers) 
    47274 File
    47275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47276 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47277 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47278 File
    47279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47280 packages/chimerax/core/session.py", line 943, in <lambda> 
    47281 logger.report_exception(preface=preface)) 
    47282 File
    47283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47284 packages/chimerax/core/logger.py", line 421, in report_exception 
    47285 elif probably_chimera1_session(exc_info): 
    47286 File
    47287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47288 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47289 etype, evalue, etraceback = exc_info 
    47290 TypeError: cannot unpack non-iterable NoneType object 
    47291  
    47292 TypeError: cannot unpack non-iterable NoneType object 
    47293  
    47294 File
    47295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47296 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47297 etype, evalue, etraceback = exc_info 
    47298  
    47299 See log for complete Python traceback. 
    47300  
    47301 Traceback (most recent call last): 
    47302 File
    47303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47304 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47305 return self._func(self._name, data) 
    47306 File
    47307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47308 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47309 if v.display: 
    47310 File
    47311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47312 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47313 return self._any_displayed_positions and len(self._positions) > 0 
    47314 TypeError: object of type 'NoneType' has no len() 
    47315  
    47316 During handling of the above exception, another exception occurred: 
    47317  
    47318 Traceback (most recent call last): 
    47319 File
    47320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47321 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47322 if not self.draw_new_frame(): 
    47323 File
    47324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47325 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47326 changed = view.check_for_drawing_change() 
    47327 File
    47328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47329 packages/chimerax/core/graphics/view.py", line 252, in
    47330 check_for_drawing_change 
    47331 trig.activate_trigger('graphics update', self) 
    47332 File
    47333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47334 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47335 trigger.activate(data) 
    47336 File
    47337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47338 packages/chimerax/core/triggerset.py", line 190, in activate 
    47339 ret = handler.invoke(data, self._remove_bad_handlers) 
    47340 File
    47341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47342 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47343 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47344 File
    47345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47346 packages/chimerax/core/session.py", line 943, in <lambda> 
    47347 logger.report_exception(preface=preface)) 
    47348 File
    47349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47350 packages/chimerax/core/logger.py", line 421, in report_exception 
    47351 elif probably_chimera1_session(exc_info): 
    47352 File
    47353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47354 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47355 etype, evalue, etraceback = exc_info 
    47356 TypeError: cannot unpack non-iterable NoneType object 
    47357  
    47358 TypeError: cannot unpack non-iterable NoneType object 
    47359  
    47360 File
    47361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47362 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47363 etype, evalue, etraceback = exc_info 
    47364  
    47365 See log for complete Python traceback. 
    47366  
    47367 Traceback (most recent call last): 
    47368 File
    47369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47370 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47371 return self._func(self._name, data) 
    47372 File
    47373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47374 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47375 if v.display: 
    47376 File
    47377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47378 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47379 return self._any_displayed_positions and len(self._positions) > 0 
    47380 TypeError: object of type 'NoneType' has no len() 
    47381  
    47382 During handling of the above exception, another exception occurred: 
    47383  
    47384 Traceback (most recent call last): 
    47385 File
    47386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47387 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47388 if not self.draw_new_frame(): 
    47389 File
    47390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47391 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47392 changed = view.check_for_drawing_change() 
    47393 File
    47394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47395 packages/chimerax/core/graphics/view.py", line 252, in
    47396 check_for_drawing_change 
    47397 trig.activate_trigger('graphics update', self) 
    47398 File
    47399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47400 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47401 trigger.activate(data) 
    47402 File
    47403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47404 packages/chimerax/core/triggerset.py", line 190, in activate 
    47405 ret = handler.invoke(data, self._remove_bad_handlers) 
    47406 File
    47407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47408 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47409 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47410 File
    47411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47412 packages/chimerax/core/session.py", line 943, in <lambda> 
    47413 logger.report_exception(preface=preface)) 
    47414 File
    47415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47416 packages/chimerax/core/logger.py", line 421, in report_exception 
    47417 elif probably_chimera1_session(exc_info): 
    47418 File
    47419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47420 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47421 etype, evalue, etraceback = exc_info 
    47422 TypeError: cannot unpack non-iterable NoneType object 
    47423  
    47424 TypeError: cannot unpack non-iterable NoneType object 
    47425  
    47426 File
    47427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47428 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47429 etype, evalue, etraceback = exc_info 
    47430  
    47431 See log for complete Python traceback. 
    47432  
    47433 Traceback (most recent call last): 
    47434 File
    47435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47436 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47437 return self._func(self._name, data) 
    47438 File
    47439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47440 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47441 if v.display: 
    47442 File
    47443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47444 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47445 return self._any_displayed_positions and len(self._positions) > 0 
    47446 TypeError: object of type 'NoneType' has no len() 
    47447  
    47448 During handling of the above exception, another exception occurred: 
    47449  
    47450 Traceback (most recent call last): 
    47451 File
    47452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47453 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47454 if not self.draw_new_frame(): 
    47455 File
    47456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47457 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47458 changed = view.check_for_drawing_change() 
    47459 File
    47460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47461 packages/chimerax/core/graphics/view.py", line 252, in
    47462 check_for_drawing_change 
    47463 trig.activate_trigger('graphics update', self) 
    47464 File
    47465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47466 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47467 trigger.activate(data) 
    47468 File
    47469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47470 packages/chimerax/core/triggerset.py", line 190, in activate 
    47471 ret = handler.invoke(data, self._remove_bad_handlers) 
    47472 File
    47473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47474 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47475 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47476 File
    47477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47478 packages/chimerax/core/session.py", line 943, in <lambda> 
    47479 logger.report_exception(preface=preface)) 
    47480 File
    47481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47482 packages/chimerax/core/logger.py", line 421, in report_exception 
    47483 elif probably_chimera1_session(exc_info): 
    47484 File
    47485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47486 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47487 etype, evalue, etraceback = exc_info 
    47488 TypeError: cannot unpack non-iterable NoneType object 
    47489  
    47490 TypeError: cannot unpack non-iterable NoneType object 
    47491  
    47492 File
    47493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47494 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47495 etype, evalue, etraceback = exc_info 
    47496  
    47497 See log for complete Python traceback. 
    47498  
    47499 Traceback (most recent call last): 
    47500 File
    47501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47502 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47503 return self._func(self._name, data) 
    47504 File
    47505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47506 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47507 if v.display: 
    47508 File
    47509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47510 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47511 return self._any_displayed_positions and len(self._positions) > 0 
    47512 TypeError: object of type 'NoneType' has no len() 
    47513  
    47514 During handling of the above exception, another exception occurred: 
    47515  
    47516 Traceback (most recent call last): 
    47517 File
    47518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47519 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47520 if not self.draw_new_frame(): 
    47521 File
    47522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47523 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47524 changed = view.check_for_drawing_change() 
    47525 File
    47526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47527 packages/chimerax/core/graphics/view.py", line 252, in
    47528 check_for_drawing_change 
    47529 trig.activate_trigger('graphics update', self) 
    47530 File
    47531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47532 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47533 trigger.activate(data) 
    47534 File
    47535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47536 packages/chimerax/core/triggerset.py", line 190, in activate 
    47537 ret = handler.invoke(data, self._remove_bad_handlers) 
    47538 File
    47539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47540 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47541 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47542 File
    47543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47544 packages/chimerax/core/session.py", line 943, in <lambda> 
    47545 logger.report_exception(preface=preface)) 
    47546 File
    47547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47548 packages/chimerax/core/logger.py", line 421, in report_exception 
    47549 elif probably_chimera1_session(exc_info): 
    47550 File
    47551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47552 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47553 etype, evalue, etraceback = exc_info 
    47554 TypeError: cannot unpack non-iterable NoneType object 
    47555  
    47556 TypeError: cannot unpack non-iterable NoneType object 
    47557  
    47558 File
    47559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47560 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47561 etype, evalue, etraceback = exc_info 
    47562  
    47563 See log for complete Python traceback. 
    47564  
    47565 Traceback (most recent call last): 
    47566 File
    47567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47569 return self._func(self._name, data) 
    47570 File
    47571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47572 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47573 if v.display: 
    47574 File
    47575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47576 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47577 return self._any_displayed_positions and len(self._positions) > 0 
    47578 TypeError: object of type 'NoneType' has no len() 
    47579  
    47580 During handling of the above exception, another exception occurred: 
    47581  
    47582 Traceback (most recent call last): 
    47583 File
    47584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47585 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47586 if not self.draw_new_frame(): 
    47587 File
    47588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47589 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47590 changed = view.check_for_drawing_change() 
    47591 File
    47592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47593 packages/chimerax/core/graphics/view.py", line 252, in
    47594 check_for_drawing_change 
    47595 trig.activate_trigger('graphics update', self) 
    47596 File
    47597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47598 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47599 trigger.activate(data) 
    47600 File
    47601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47602 packages/chimerax/core/triggerset.py", line 190, in activate 
    47603 ret = handler.invoke(data, self._remove_bad_handlers) 
    47604 File
    47605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47606 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47607 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47608 File
    47609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47610 packages/chimerax/core/session.py", line 943, in <lambda> 
    47611 logger.report_exception(preface=preface)) 
    47612 File
    47613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47614 packages/chimerax/core/logger.py", line 421, in report_exception 
    47615 elif probably_chimera1_session(exc_info): 
    47616 File
    47617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47618 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47619 etype, evalue, etraceback = exc_info 
    47620 TypeError: cannot unpack non-iterable NoneType object 
    47621  
    47622 TypeError: cannot unpack non-iterable NoneType object 
    47623  
    47624 File
    47625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47626 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47627 etype, evalue, etraceback = exc_info 
    47628  
    47629 See log for complete Python traceback. 
    47630  
    47631 Traceback (most recent call last): 
    47632 File
    47633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47634 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47635 return self._func(self._name, data) 
    47636 File
    47637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47638 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47639 if v.display: 
    47640 File
    47641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47642 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47643 return self._any_displayed_positions and len(self._positions) > 0 
    47644 TypeError: object of type 'NoneType' has no len() 
    47645  
    47646 During handling of the above exception, another exception occurred: 
    47647  
    47648 Traceback (most recent call last): 
    47649 File
    47650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47651 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47652 if not self.draw_new_frame(): 
    47653 File
    47654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47655 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47656 changed = view.check_for_drawing_change() 
    47657 File
    47658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47659 packages/chimerax/core/graphics/view.py", line 252, in
    47660 check_for_drawing_change 
    47661 trig.activate_trigger('graphics update', self) 
    47662 File
    47663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47664 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47665 trigger.activate(data) 
    47666 File
    47667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47668 packages/chimerax/core/triggerset.py", line 190, in activate 
    47669 ret = handler.invoke(data, self._remove_bad_handlers) 
    47670 File
    47671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47672 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47673 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47674 File
    47675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47676 packages/chimerax/core/session.py", line 943, in <lambda> 
    47677 logger.report_exception(preface=preface)) 
    47678 File
    47679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47680 packages/chimerax/core/logger.py", line 421, in report_exception 
    47681 elif probably_chimera1_session(exc_info): 
    47682 File
    47683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47684 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47685 etype, evalue, etraceback = exc_info 
    47686 TypeError: cannot unpack non-iterable NoneType object 
    47687  
    47688 TypeError: cannot unpack non-iterable NoneType object 
    47689  
    47690 File
    47691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47692 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47693 etype, evalue, etraceback = exc_info 
    47694  
    47695 See log for complete Python traceback. 
    47696  
    47697 Traceback (most recent call last): 
    47698 File
    47699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47700 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47701 return self._func(self._name, data) 
    47702 File
    47703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47704 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47705 if v.display: 
    47706 File
    47707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47708 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47709 return self._any_displayed_positions and len(self._positions) > 0 
    47710 TypeError: object of type 'NoneType' has no len() 
    47711  
    47712 During handling of the above exception, another exception occurred: 
    47713  
    47714 Traceback (most recent call last): 
    47715 File
    47716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47717 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47718 if not self.draw_new_frame(): 
    47719 File
    47720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47721 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47722 changed = view.check_for_drawing_change() 
    47723 File
    47724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47725 packages/chimerax/core/graphics/view.py", line 252, in
    47726 check_for_drawing_change 
    47727 trig.activate_trigger('graphics update', self) 
    47728 File
    47729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47730 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47731 trigger.activate(data) 
    47732 File
    47733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47734 packages/chimerax/core/triggerset.py", line 190, in activate 
    47735 ret = handler.invoke(data, self._remove_bad_handlers) 
    47736 File
    47737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47738 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47739 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47740 File
    47741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47742 packages/chimerax/core/session.py", line 943, in <lambda> 
    47743 logger.report_exception(preface=preface)) 
    47744 File
    47745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47746 packages/chimerax/core/logger.py", line 421, in report_exception 
    47747 elif probably_chimera1_session(exc_info): 
    47748 File
    47749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47750 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47751 etype, evalue, etraceback = exc_info 
    47752 TypeError: cannot unpack non-iterable NoneType object 
    47753  
    47754 TypeError: cannot unpack non-iterable NoneType object 
    47755  
    47756 File
    47757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47758 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47759 etype, evalue, etraceback = exc_info 
    47760  
    47761 See log for complete Python traceback. 
    47762  
    47763 Traceback (most recent call last): 
    47764 File
    47765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47766 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47767 return self._func(self._name, data) 
    47768 File
    47769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47770 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47771 if v.display: 
    47772 File
    47773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47774 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47775 return self._any_displayed_positions and len(self._positions) > 0 
    47776 TypeError: object of type 'NoneType' has no len() 
    47777  
    47778 During handling of the above exception, another exception occurred: 
    47779  
    47780 Traceback (most recent call last): 
    47781 File
    47782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47783 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47784 if not self.draw_new_frame(): 
    47785 File
    47786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47787 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47788 changed = view.check_for_drawing_change() 
    47789 File
    47790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47791 packages/chimerax/core/graphics/view.py", line 252, in
    47792 check_for_drawing_change 
    47793 trig.activate_trigger('graphics update', self) 
    47794 File
    47795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47796 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47797 trigger.activate(data) 
    47798 File
    47799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47800 packages/chimerax/core/triggerset.py", line 190, in activate 
    47801 ret = handler.invoke(data, self._remove_bad_handlers) 
    47802 File
    47803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47804 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47805 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47806 File
    47807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47808 packages/chimerax/core/session.py", line 943, in <lambda> 
    47809 logger.report_exception(preface=preface)) 
    47810 File
    47811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47812 packages/chimerax/core/logger.py", line 421, in report_exception 
    47813 elif probably_chimera1_session(exc_info): 
    47814 File
    47815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47816 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47817 etype, evalue, etraceback = exc_info 
    47818 TypeError: cannot unpack non-iterable NoneType object 
    47819  
    47820 TypeError: cannot unpack non-iterable NoneType object 
    47821  
    47822 File
    47823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47824 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47825 etype, evalue, etraceback = exc_info 
    47826  
    47827 See log for complete Python traceback. 
    47828  
    47829 Traceback (most recent call last): 
    47830 File
    47831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47832 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47833 return self._func(self._name, data) 
    47834 File
    47835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47836 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47837 if v.display: 
    47838 File
    47839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47840 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47841 return self._any_displayed_positions and len(self._positions) > 0 
    47842 TypeError: object of type 'NoneType' has no len() 
    47843  
    47844 During handling of the above exception, another exception occurred: 
    47845  
    47846 Traceback (most recent call last): 
    47847 File
    47848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47849 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47850 if not self.draw_new_frame(): 
    47851 File
    47852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47853 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47854 changed = view.check_for_drawing_change() 
    47855 File
    47856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47857 packages/chimerax/core/graphics/view.py", line 252, in
    47858 check_for_drawing_change 
    47859 trig.activate_trigger('graphics update', self) 
    47860 File
    47861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47862 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47863 trigger.activate(data) 
    47864 File
    47865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47866 packages/chimerax/core/triggerset.py", line 190, in activate 
    47867 ret = handler.invoke(data, self._remove_bad_handlers) 
    47868 File
    47869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47870 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47871 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47872 File
    47873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47874 packages/chimerax/core/session.py", line 943, in <lambda> 
    47875 logger.report_exception(preface=preface)) 
    47876 File
    47877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47878 packages/chimerax/core/logger.py", line 421, in report_exception 
    47879 elif probably_chimera1_session(exc_info): 
    47880 File
    47881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47882 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47883 etype, evalue, etraceback = exc_info 
    47884 TypeError: cannot unpack non-iterable NoneType object 
    47885  
    47886 TypeError: cannot unpack non-iterable NoneType object 
    47887  
    47888 File
    47889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47890 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47891 etype, evalue, etraceback = exc_info 
    47892  
    47893 See log for complete Python traceback. 
    47894  
    47895 Traceback (most recent call last): 
    47896 File
    47897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47898 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47899 return self._func(self._name, data) 
    47900 File
    47901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47902 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47903 if v.display: 
    47904 File
    47905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47906 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47907 return self._any_displayed_positions and len(self._positions) > 0 
    47908 TypeError: object of type 'NoneType' has no len() 
    47909  
    47910 During handling of the above exception, another exception occurred: 
    47911  
    47912 Traceback (most recent call last): 
    47913 File
    47914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47915 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47916 if not self.draw_new_frame(): 
    47917 File
    47918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47919 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47920 changed = view.check_for_drawing_change() 
    47921 File
    47922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47923 packages/chimerax/core/graphics/view.py", line 252, in
    47924 check_for_drawing_change 
    47925 trig.activate_trigger('graphics update', self) 
    47926 File
    47927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47928 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47929 trigger.activate(data) 
    47930 File
    47931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47932 packages/chimerax/core/triggerset.py", line 190, in activate 
    47933 ret = handler.invoke(data, self._remove_bad_handlers) 
    47934 File
    47935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47936 packages/chimerax/core/triggerset.py", line 132, in invoke 
    47937 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    47938 File
    47939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47940 packages/chimerax/core/session.py", line 943, in <lambda> 
    47941 logger.report_exception(preface=preface)) 
    47942 File
    47943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47944 packages/chimerax/core/logger.py", line 421, in report_exception 
    47945 elif probably_chimera1_session(exc_info): 
    47946 File
    47947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47948 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47949 etype, evalue, etraceback = exc_info 
    47950 TypeError: cannot unpack non-iterable NoneType object 
    47951  
    47952 TypeError: cannot unpack non-iterable NoneType object 
    47953  
    47954 File
    47955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47956 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    47957 etype, evalue, etraceback = exc_info 
    47958  
    47959 See log for complete Python traceback. 
    47960  
    47961 Traceback (most recent call last): 
    47962 File
    47963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47964 packages/chimerax/core/triggerset.py", line 130, in invoke 
    47965 return self._func(self._name, data) 
    47966 File
    47967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47968 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    47969 if v.display: 
    47970 File
    47971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47972 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    47973 return self._any_displayed_positions and len(self._positions) > 0 
    47974 TypeError: object of type 'NoneType' has no len() 
    47975  
    47976 During handling of the above exception, another exception occurred: 
    47977  
    47978 Traceback (most recent call last): 
    47979 File
    47980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47981 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    47982 if not self.draw_new_frame(): 
    47983 File
    47984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47985 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    47986 changed = view.check_for_drawing_change() 
    47987 File
    47988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47989 packages/chimerax/core/graphics/view.py", line 252, in
    47990 check_for_drawing_change 
    47991 trig.activate_trigger('graphics update', self) 
    47992 File
    47993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47994 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    47995 trigger.activate(data) 
    47996 File
    47997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    47998 packages/chimerax/core/triggerset.py", line 190, in activate 
    47999 ret = handler.invoke(data, self._remove_bad_handlers) 
    48000 File
    48001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48002 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48003 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48004 File
    48005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48006 packages/chimerax/core/session.py", line 943, in <lambda> 
    48007 logger.report_exception(preface=preface)) 
    48008 File
    48009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48010 packages/chimerax/core/logger.py", line 421, in report_exception 
    48011 elif probably_chimera1_session(exc_info): 
    48012 File
    48013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48014 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48015 etype, evalue, etraceback = exc_info 
    48016 TypeError: cannot unpack non-iterable NoneType object 
    48017  
    48018 TypeError: cannot unpack non-iterable NoneType object 
    48019  
    48020 File
    48021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48022 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48023 etype, evalue, etraceback = exc_info 
    48024  
    48025 See log for complete Python traceback. 
    48026  
    48027 Traceback (most recent call last): 
    48028 File
    48029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48030 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48031 return self._func(self._name, data) 
    48032 File
    48033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48034 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48035 if v.display: 
    48036 File
    48037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48038 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48039 return self._any_displayed_positions and len(self._positions) > 0 
    48040 TypeError: object of type 'NoneType' has no len() 
    48041  
    48042 During handling of the above exception, another exception occurred: 
    48043  
    48044 Traceback (most recent call last): 
    48045 File
    48046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48047 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48048 if not self.draw_new_frame(): 
    48049 File
    48050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48051 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48052 changed = view.check_for_drawing_change() 
    48053 File
    48054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48055 packages/chimerax/core/graphics/view.py", line 252, in
    48056 check_for_drawing_change 
    48057 trig.activate_trigger('graphics update', self) 
    48058 File
    48059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48060 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48061 trigger.activate(data) 
    48062 File
    48063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48064 packages/chimerax/core/triggerset.py", line 190, in activate 
    48065 ret = handler.invoke(data, self._remove_bad_handlers) 
    48066 File
    48067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48068 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48069 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48070 File
    48071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48072 packages/chimerax/core/session.py", line 943, in <lambda> 
    48073 logger.report_exception(preface=preface)) 
    48074 File
    48075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48076 packages/chimerax/core/logger.py", line 421, in report_exception 
    48077 elif probably_chimera1_session(exc_info): 
    48078 File
    48079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48080 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48081 etype, evalue, etraceback = exc_info 
    48082 TypeError: cannot unpack non-iterable NoneType object 
    48083  
    48084 TypeError: cannot unpack non-iterable NoneType object 
    48085  
    48086 File
    48087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48088 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48089 etype, evalue, etraceback = exc_info 
    48090  
    48091 See log for complete Python traceback. 
    48092  
    48093 Traceback (most recent call last): 
    48094 File
    48095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48096 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48097 return self._func(self._name, data) 
    48098 File
    48099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48100 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48101 if v.display: 
    48102 File
    48103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48104 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48105 return self._any_displayed_positions and len(self._positions) > 0 
    48106 TypeError: object of type 'NoneType' has no len() 
    48107  
    48108 During handling of the above exception, another exception occurred: 
    48109  
    48110 Traceback (most recent call last): 
    48111 File
    48112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48113 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48114 if not self.draw_new_frame(): 
    48115 File
    48116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48117 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48118 changed = view.check_for_drawing_change() 
    48119 File
    48120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48121 packages/chimerax/core/graphics/view.py", line 252, in
    48122 check_for_drawing_change 
    48123 trig.activate_trigger('graphics update', self) 
    48124 File
    48125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48126 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48127 trigger.activate(data) 
    48128 File
    48129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48130 packages/chimerax/core/triggerset.py", line 190, in activate 
    48131 ret = handler.invoke(data, self._remove_bad_handlers) 
    48132 File
    48133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48134 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48135 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48136 File
    48137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48138 packages/chimerax/core/session.py", line 943, in <lambda> 
    48139 logger.report_exception(preface=preface)) 
    48140 File
    48141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48142 packages/chimerax/core/logger.py", line 421, in report_exception 
    48143 elif probably_chimera1_session(exc_info): 
    48144 File
    48145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48146 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48147 etype, evalue, etraceback = exc_info 
    48148 TypeError: cannot unpack non-iterable NoneType object 
    48149  
    48150 TypeError: cannot unpack non-iterable NoneType object 
    48151  
    48152 File
    48153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48154 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48155 etype, evalue, etraceback = exc_info 
    48156  
    48157 See log for complete Python traceback. 
    48158  
    48159 Traceback (most recent call last): 
    48160 File
    48161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48162 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48163 return self._func(self._name, data) 
    48164 File
    48165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48166 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48167 if v.display: 
    48168 File
    48169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48170 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48171 return self._any_displayed_positions and len(self._positions) > 0 
    48172 TypeError: object of type 'NoneType' has no len() 
    48173  
    48174 During handling of the above exception, another exception occurred: 
    48175  
    48176 Traceback (most recent call last): 
    48177 File
    48178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48179 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48180 if not self.draw_new_frame(): 
    48181 File
    48182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48183 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48184 changed = view.check_for_drawing_change() 
    48185 File
    48186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48187 packages/chimerax/core/graphics/view.py", line 252, in
    48188 check_for_drawing_change 
    48189 trig.activate_trigger('graphics update', self) 
    48190 File
    48191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48192 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48193 trigger.activate(data) 
    48194 File
    48195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48196 packages/chimerax/core/triggerset.py", line 190, in activate 
    48197 ret = handler.invoke(data, self._remove_bad_handlers) 
    48198 File
    48199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48200 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48201 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48202 File
    48203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48204 packages/chimerax/core/session.py", line 943, in <lambda> 
    48205 logger.report_exception(preface=preface)) 
    48206 File
    48207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48208 packages/chimerax/core/logger.py", line 421, in report_exception 
    48209 elif probably_chimera1_session(exc_info): 
    48210 File
    48211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48212 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48213 etype, evalue, etraceback = exc_info 
    48214 TypeError: cannot unpack non-iterable NoneType object 
    48215  
    48216 TypeError: cannot unpack non-iterable NoneType object 
    48217  
    48218 File
    48219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48220 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48221 etype, evalue, etraceback = exc_info 
    48222  
    48223 See log for complete Python traceback. 
    48224  
    48225 Traceback (most recent call last): 
    48226 File
    48227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48228 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48229 return self._func(self._name, data) 
    48230 File
    48231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48232 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48233 if v.display: 
    48234 File
    48235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48236 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48237 return self._any_displayed_positions and len(self._positions) > 0 
    48238 TypeError: object of type 'NoneType' has no len() 
    48239  
    48240 During handling of the above exception, another exception occurred: 
    48241  
    48242 Traceback (most recent call last): 
    48243 File
    48244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48245 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48246 if not self.draw_new_frame(): 
    48247 File
    48248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48249 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48250 changed = view.check_for_drawing_change() 
    48251 File
    48252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48253 packages/chimerax/core/graphics/view.py", line 252, in
    48254 check_for_drawing_change 
    48255 trig.activate_trigger('graphics update', self) 
    48256 File
    48257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48258 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48259 trigger.activate(data) 
    48260 File
    48261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48262 packages/chimerax/core/triggerset.py", line 190, in activate 
    48263 ret = handler.invoke(data, self._remove_bad_handlers) 
    48264 File
    48265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48266 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48267 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48268 File
    48269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48270 packages/chimerax/core/session.py", line 943, in <lambda> 
    48271 logger.report_exception(preface=preface)) 
    48272 File
    48273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48274 packages/chimerax/core/logger.py", line 421, in report_exception 
    48275 elif probably_chimera1_session(exc_info): 
    48276 File
    48277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48278 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48279 etype, evalue, etraceback = exc_info 
    48280 TypeError: cannot unpack non-iterable NoneType object 
    48281  
    48282 TypeError: cannot unpack non-iterable NoneType object 
    48283  
    48284 File
    48285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48286 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48287 etype, evalue, etraceback = exc_info 
    48288  
    48289 See log for complete Python traceback. 
    48290  
    48291 Traceback (most recent call last): 
    48292 File
    48293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48294 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48295 return self._func(self._name, data) 
    48296 File
    48297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48298 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48299 if v.display: 
    48300 File
    48301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48302 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48303 return self._any_displayed_positions and len(self._positions) > 0 
    48304 TypeError: object of type 'NoneType' has no len() 
    48305  
    48306 During handling of the above exception, another exception occurred: 
    48307  
    48308 Traceback (most recent call last): 
    48309 File
    48310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48311 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48312 if not self.draw_new_frame(): 
    48313 File
    48314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48315 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48316 changed = view.check_for_drawing_change() 
    48317 File
    48318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48319 packages/chimerax/core/graphics/view.py", line 252, in
    48320 check_for_drawing_change 
    48321 trig.activate_trigger('graphics update', self) 
    48322 File
    48323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48324 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48325 trigger.activate(data) 
    48326 File
    48327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48328 packages/chimerax/core/triggerset.py", line 190, in activate 
    48329 ret = handler.invoke(data, self._remove_bad_handlers) 
    48330 File
    48331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48332 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48333 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48334 File
    48335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48336 packages/chimerax/core/session.py", line 943, in <lambda> 
    48337 logger.report_exception(preface=preface)) 
    48338 File
    48339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48340 packages/chimerax/core/logger.py", line 421, in report_exception 
    48341 elif probably_chimera1_session(exc_info): 
    48342 File
    48343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48344 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48345 etype, evalue, etraceback = exc_info 
    48346 TypeError: cannot unpack non-iterable NoneType object 
    48347  
    48348 TypeError: cannot unpack non-iterable NoneType object 
    48349  
    48350 File
    48351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48352 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48353 etype, evalue, etraceback = exc_info 
    48354  
    48355 See log for complete Python traceback. 
    48356  
    48357 Traceback (most recent call last): 
    48358 File
    48359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48360 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48361 return self._func(self._name, data) 
    48362 File
    48363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48364 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48365 if v.display: 
    48366 File
    48367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48368 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48369 return self._any_displayed_positions and len(self._positions) > 0 
    48370 TypeError: object of type 'NoneType' has no len() 
    48371  
    48372 During handling of the above exception, another exception occurred: 
    48373  
    48374 Traceback (most recent call last): 
    48375 File
    48376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48377 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48378 if not self.draw_new_frame(): 
    48379 File
    48380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48381 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48382 changed = view.check_for_drawing_change() 
    48383 File
    48384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48385 packages/chimerax/core/graphics/view.py", line 252, in
    48386 check_for_drawing_change 
    48387 trig.activate_trigger('graphics update', self) 
    48388 File
    48389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48390 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48391 trigger.activate(data) 
    48392 File
    48393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48394 packages/chimerax/core/triggerset.py", line 190, in activate 
    48395 ret = handler.invoke(data, self._remove_bad_handlers) 
    48396 File
    48397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48398 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48399 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48400 File
    48401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48402 packages/chimerax/core/session.py", line 943, in <lambda> 
    48403 logger.report_exception(preface=preface)) 
    48404 File
    48405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48406 packages/chimerax/core/logger.py", line 421, in report_exception 
    48407 elif probably_chimera1_session(exc_info): 
    48408 File
    48409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48410 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48411 etype, evalue, etraceback = exc_info 
    48412 TypeError: cannot unpack non-iterable NoneType object 
    48413  
    48414 TypeError: cannot unpack non-iterable NoneType object 
    48415  
    48416 File
    48417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48418 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48419 etype, evalue, etraceback = exc_info 
    48420  
    48421 See log for complete Python traceback. 
    48422  
    48423 Traceback (most recent call last): 
    48424 File
    48425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48426 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48427 return self._func(self._name, data) 
    48428 File
    48429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48430 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48431 if v.display: 
    48432 File
    48433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48434 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48435 return self._any_displayed_positions and len(self._positions) > 0 
    48436 TypeError: object of type 'NoneType' has no len() 
    48437  
    48438 During handling of the above exception, another exception occurred: 
    48439  
    48440 Traceback (most recent call last): 
    48441 File
    48442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48443 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48444 if not self.draw_new_frame(): 
    48445 File
    48446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48447 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48448 changed = view.check_for_drawing_change() 
    48449 File
    48450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48451 packages/chimerax/core/graphics/view.py", line 252, in
    48452 check_for_drawing_change 
    48453 trig.activate_trigger('graphics update', self) 
    48454 File
    48455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48456 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48457 trigger.activate(data) 
    48458 File
    48459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48460 packages/chimerax/core/triggerset.py", line 190, in activate 
    48461 ret = handler.invoke(data, self._remove_bad_handlers) 
    48462 File
    48463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48464 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48465 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48466 File
    48467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48468 packages/chimerax/core/session.py", line 943, in <lambda> 
    48469 logger.report_exception(preface=preface)) 
    48470 File
    48471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48472 packages/chimerax/core/logger.py", line 421, in report_exception 
    48473 elif probably_chimera1_session(exc_info): 
    48474 File
    48475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48476 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48477 etype, evalue, etraceback = exc_info 
    48478 TypeError: cannot unpack non-iterable NoneType object 
    48479  
    48480 TypeError: cannot unpack non-iterable NoneType object 
    48481  
    48482 File
    48483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48484 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48485 etype, evalue, etraceback = exc_info 
    48486  
    48487 See log for complete Python traceback. 
    48488  
    48489 Traceback (most recent call last): 
    48490 File
    48491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48492 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48493 return self._func(self._name, data) 
    48494 File
    48495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48496 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48497 if v.display: 
    48498 File
    48499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48500 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48501 return self._any_displayed_positions and len(self._positions) > 0 
    48502 TypeError: object of type 'NoneType' has no len() 
    48503  
    48504 During handling of the above exception, another exception occurred: 
    48505  
    48506 Traceback (most recent call last): 
    48507 File
    48508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48509 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48510 if not self.draw_new_frame(): 
    48511 File
    48512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48513 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48514 changed = view.check_for_drawing_change() 
    48515 File
    48516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48517 packages/chimerax/core/graphics/view.py", line 252, in
    48518 check_for_drawing_change 
    48519 trig.activate_trigger('graphics update', self) 
    48520 File
    48521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48522 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48523 trigger.activate(data) 
    48524 File
    48525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48526 packages/chimerax/core/triggerset.py", line 190, in activate 
    48527 ret = handler.invoke(data, self._remove_bad_handlers) 
    48528 File
    48529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48530 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48531 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48532 File
    48533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48534 packages/chimerax/core/session.py", line 943, in <lambda> 
    48535 logger.report_exception(preface=preface)) 
    48536 File
    48537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48538 packages/chimerax/core/logger.py", line 421, in report_exception 
    48539 elif probably_chimera1_session(exc_info): 
    48540 File
    48541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48542 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48543 etype, evalue, etraceback = exc_info 
    48544 TypeError: cannot unpack non-iterable NoneType object 
    48545  
    48546 TypeError: cannot unpack non-iterable NoneType object 
    48547  
    48548 File
    48549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48550 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48551 etype, evalue, etraceback = exc_info 
    48552  
    48553 See log for complete Python traceback. 
    48554  
    48555 Traceback (most recent call last): 
    48556 File
    48557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48558 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48559 return self._func(self._name, data) 
    48560 File
    48561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48562 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48563 if v.display: 
    48564 File
    48565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48566 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48567 return self._any_displayed_positions and len(self._positions) > 0 
    48568 TypeError: object of type 'NoneType' has no len() 
    48569  
    48570 During handling of the above exception, another exception occurred: 
    48571  
    48572 Traceback (most recent call last): 
    48573 File
    48574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48575 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48576 if not self.draw_new_frame(): 
    48577 File
    48578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48579 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48580 changed = view.check_for_drawing_change() 
    48581 File
    48582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48583 packages/chimerax/core/graphics/view.py", line 252, in
    48584 check_for_drawing_change 
    48585 trig.activate_trigger('graphics update', self) 
    48586 File
    48587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48588 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48589 trigger.activate(data) 
    48590 File
    48591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48592 packages/chimerax/core/triggerset.py", line 190, in activate 
    48593 ret = handler.invoke(data, self._remove_bad_handlers) 
    48594 File
    48595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48596 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48597 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48598 File
    48599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48600 packages/chimerax/core/session.py", line 943, in <lambda> 
    48601 logger.report_exception(preface=preface)) 
    48602 File
    48603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48604 packages/chimerax/core/logger.py", line 421, in report_exception 
    48605 elif probably_chimera1_session(exc_info): 
    48606 File
    48607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48608 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48609 etype, evalue, etraceback = exc_info 
    48610 TypeError: cannot unpack non-iterable NoneType object 
    48611  
    48612 TypeError: cannot unpack non-iterable NoneType object 
    48613  
    48614 File
    48615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48616 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48617 etype, evalue, etraceback = exc_info 
    48618  
    48619 See log for complete Python traceback. 
    48620  
    48621 Traceback (most recent call last): 
    48622 File
    48623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48624 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48625 return self._func(self._name, data) 
    48626 File
    48627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48628 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48629 if v.display: 
    48630 File
    48631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48632 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48633 return self._any_displayed_positions and len(self._positions) > 0 
    48634 TypeError: object of type 'NoneType' has no len() 
    48635  
    48636 During handling of the above exception, another exception occurred: 
    48637  
    48638 Traceback (most recent call last): 
    48639 File
    48640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48641 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48642 if not self.draw_new_frame(): 
    48643 File
    48644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48645 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48646 changed = view.check_for_drawing_change() 
    48647 File
    48648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48649 packages/chimerax/core/graphics/view.py", line 252, in
    48650 check_for_drawing_change 
    48651 trig.activate_trigger('graphics update', self) 
    48652 File
    48653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48654 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48655 trigger.activate(data) 
    48656 File
    48657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48658 packages/chimerax/core/triggerset.py", line 190, in activate 
    48659 ret = handler.invoke(data, self._remove_bad_handlers) 
    48660 File
    48661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48662 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48663 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48664 File
    48665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48666 packages/chimerax/core/session.py", line 943, in <lambda> 
    48667 logger.report_exception(preface=preface)) 
    48668 File
    48669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48670 packages/chimerax/core/logger.py", line 421, in report_exception 
    48671 elif probably_chimera1_session(exc_info): 
    48672 File
    48673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48674 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48675 etype, evalue, etraceback = exc_info 
    48676 TypeError: cannot unpack non-iterable NoneType object 
    48677  
    48678 TypeError: cannot unpack non-iterable NoneType object 
    48679  
    48680 File
    48681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48682 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48683 etype, evalue, etraceback = exc_info 
    48684  
    48685 See log for complete Python traceback. 
    48686  
    48687 Traceback (most recent call last): 
    48688 File
    48689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48690 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48691 return self._func(self._name, data) 
    48692 File
    48693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48694 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48695 if v.display: 
    48696 File
    48697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48698 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48699 return self._any_displayed_positions and len(self._positions) > 0 
    48700 TypeError: object of type 'NoneType' has no len() 
    48701  
    48702 During handling of the above exception, another exception occurred: 
    48703  
    48704 Traceback (most recent call last): 
    48705 File
    48706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48707 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48708 if not self.draw_new_frame(): 
    48709 File
    48710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48711 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48712 changed = view.check_for_drawing_change() 
    48713 File
    48714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48715 packages/chimerax/core/graphics/view.py", line 252, in
    48716 check_for_drawing_change 
    48717 trig.activate_trigger('graphics update', self) 
    48718 File
    48719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48720 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48721 trigger.activate(data) 
    48722 File
    48723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48724 packages/chimerax/core/triggerset.py", line 190, in activate 
    48725 ret = handler.invoke(data, self._remove_bad_handlers) 
    48726 File
    48727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48728 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48729 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48730 File
    48731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48732 packages/chimerax/core/session.py", line 943, in <lambda> 
    48733 logger.report_exception(preface=preface)) 
    48734 File
    48735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48736 packages/chimerax/core/logger.py", line 421, in report_exception 
    48737 elif probably_chimera1_session(exc_info): 
    48738 File
    48739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48740 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48741 etype, evalue, etraceback = exc_info 
    48742 TypeError: cannot unpack non-iterable NoneType object 
    48743  
    48744 TypeError: cannot unpack non-iterable NoneType object 
    48745  
    48746 File
    48747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48748 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48749 etype, evalue, etraceback = exc_info 
    48750  
    48751 See log for complete Python traceback. 
    48752  
    48753 Traceback (most recent call last): 
    48754 File
    48755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48756 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48757 return self._func(self._name, data) 
    48758 File
    48759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48760 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48761 if v.display: 
    48762 File
    48763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48764 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48765 return self._any_displayed_positions and len(self._positions) > 0 
    48766 TypeError: object of type 'NoneType' has no len() 
    48767  
    48768 During handling of the above exception, another exception occurred: 
    48769  
    48770 Traceback (most recent call last): 
    48771 File
    48772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48773 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48774 if not self.draw_new_frame(): 
    48775 File
    48776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48777 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48778 changed = view.check_for_drawing_change() 
    48779 File
    48780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48781 packages/chimerax/core/graphics/view.py", line 252, in
    48782 check_for_drawing_change 
    48783 trig.activate_trigger('graphics update', self) 
    48784 File
    48785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48786 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48787 trigger.activate(data) 
    48788 File
    48789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48790 packages/chimerax/core/triggerset.py", line 190, in activate 
    48791 ret = handler.invoke(data, self._remove_bad_handlers) 
    48792 File
    48793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48794 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48795 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48796 File
    48797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48798 packages/chimerax/core/session.py", line 943, in <lambda> 
    48799 logger.report_exception(preface=preface)) 
    48800 File
    48801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48802 packages/chimerax/core/logger.py", line 421, in report_exception 
    48803 elif probably_chimera1_session(exc_info): 
    48804 File
    48805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48806 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48807 etype, evalue, etraceback = exc_info 
    48808 TypeError: cannot unpack non-iterable NoneType object 
    48809  
    48810 TypeError: cannot unpack non-iterable NoneType object 
    48811  
    48812 File
    48813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48814 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48815 etype, evalue, etraceback = exc_info 
    48816  
    48817 See log for complete Python traceback. 
    48818  
    48819 Traceback (most recent call last): 
    48820 File
    48821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48822 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48823 return self._func(self._name, data) 
    48824 File
    48825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48826 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48827 if v.display: 
    48828 File
    48829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48830 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48831 return self._any_displayed_positions and len(self._positions) > 0 
    48832 TypeError: object of type 'NoneType' has no len() 
    48833  
    48834 During handling of the above exception, another exception occurred: 
    48835  
    48836 Traceback (most recent call last): 
    48837 File
    48838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48839 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48840 if not self.draw_new_frame(): 
    48841 File
    48842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48843 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48844 changed = view.check_for_drawing_change() 
    48845 File
    48846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48847 packages/chimerax/core/graphics/view.py", line 252, in
    48848 check_for_drawing_change 
    48849 trig.activate_trigger('graphics update', self) 
    48850 File
    48851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48852 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48853 trigger.activate(data) 
    48854 File
    48855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48856 packages/chimerax/core/triggerset.py", line 190, in activate 
    48857 ret = handler.invoke(data, self._remove_bad_handlers) 
    48858 File
    48859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48860 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48861 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48862 File
    48863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48864 packages/chimerax/core/session.py", line 943, in <lambda> 
    48865 logger.report_exception(preface=preface)) 
    48866 File
    48867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48868 packages/chimerax/core/logger.py", line 421, in report_exception 
    48869 elif probably_chimera1_session(exc_info): 
    48870 File
    48871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48872 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48873 etype, evalue, etraceback = exc_info 
    48874 TypeError: cannot unpack non-iterable NoneType object 
    48875  
    48876 TypeError: cannot unpack non-iterable NoneType object 
    48877  
    48878 File
    48879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48880 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48881 etype, evalue, etraceback = exc_info 
    48882  
    48883 See log for complete Python traceback. 
    48884  
    48885 Traceback (most recent call last): 
    48886 File
    48887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48888 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48889 return self._func(self._name, data) 
    48890 File
    48891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48892 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48893 if v.display: 
    48894 File
    48895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48896 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48897 return self._any_displayed_positions and len(self._positions) > 0 
    48898 TypeError: object of type 'NoneType' has no len() 
    48899  
    48900 During handling of the above exception, another exception occurred: 
    48901  
    48902 Traceback (most recent call last): 
    48903 File
    48904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48905 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48906 if not self.draw_new_frame(): 
    48907 File
    48908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48909 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48910 changed = view.check_for_drawing_change() 
    48911 File
    48912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48913 packages/chimerax/core/graphics/view.py", line 252, in
    48914 check_for_drawing_change 
    48915 trig.activate_trigger('graphics update', self) 
    48916 File
    48917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48918 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48919 trigger.activate(data) 
    48920 File
    48921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48922 packages/chimerax/core/triggerset.py", line 190, in activate 
    48923 ret = handler.invoke(data, self._remove_bad_handlers) 
    48924 File
    48925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48926 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48927 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48928 File
    48929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48930 packages/chimerax/core/session.py", line 943, in <lambda> 
    48931 logger.report_exception(preface=preface)) 
    48932 File
    48933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48934 packages/chimerax/core/logger.py", line 421, in report_exception 
    48935 elif probably_chimera1_session(exc_info): 
    48936 File
    48937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48938 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48939 etype, evalue, etraceback = exc_info 
    48940 TypeError: cannot unpack non-iterable NoneType object 
    48941  
    48942 TypeError: cannot unpack non-iterable NoneType object 
    48943  
    48944 File
    48945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48946 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    48947 etype, evalue, etraceback = exc_info 
    48948  
    48949 See log for complete Python traceback. 
    48950  
    48951 Traceback (most recent call last): 
    48952 File
    48953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48954 packages/chimerax/core/triggerset.py", line 130, in invoke 
    48955 return self._func(self._name, data) 
    48956 File
    48957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48958 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    48959 if v.display: 
    48960 File
    48961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48962 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    48963 return self._any_displayed_positions and len(self._positions) > 0 
    48964 TypeError: object of type 'NoneType' has no len() 
    48965  
    48966 During handling of the above exception, another exception occurred: 
    48967  
    48968 Traceback (most recent call last): 
    48969 File
    48970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48971 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    48972 if not self.draw_new_frame(): 
    48973 File
    48974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48975 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    48976 changed = view.check_for_drawing_change() 
    48977 File
    48978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48979 packages/chimerax/core/graphics/view.py", line 252, in
    48980 check_for_drawing_change 
    48981 trig.activate_trigger('graphics update', self) 
    48982 File
    48983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48984 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    48985 trigger.activate(data) 
    48986 File
    48987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48988 packages/chimerax/core/triggerset.py", line 190, in activate 
    48989 ret = handler.invoke(data, self._remove_bad_handlers) 
    48990 File
    48991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48992 packages/chimerax/core/triggerset.py", line 132, in invoke 
    48993 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    48994 File
    48995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    48996 packages/chimerax/core/session.py", line 943, in <lambda> 
    48997 logger.report_exception(preface=preface)) 
    48998 File
    48999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49000 packages/chimerax/core/logger.py", line 421, in report_exception 
    49001 elif probably_chimera1_session(exc_info): 
    49002 File
    49003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49004 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49005 etype, evalue, etraceback = exc_info 
    49006 TypeError: cannot unpack non-iterable NoneType object 
    49007  
    49008 TypeError: cannot unpack non-iterable NoneType object 
    49009  
    49010 File
    49011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49012 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49013 etype, evalue, etraceback = exc_info 
    49014  
    49015 See log for complete Python traceback. 
    49016  
    49017 Traceback (most recent call last): 
    49018 File
    49019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49020 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49021 return self._func(self._name, data) 
    49022 File
    49023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49024 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49025 if v.display: 
    49026 File
    49027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49028 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49029 return self._any_displayed_positions and len(self._positions) > 0 
    49030 TypeError: object of type 'NoneType' has no len() 
    49031  
    49032 During handling of the above exception, another exception occurred: 
    49033  
    49034 Traceback (most recent call last): 
    49035 File
    49036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49037 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49038 if not self.draw_new_frame(): 
    49039 File
    49040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49041 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49042 changed = view.check_for_drawing_change() 
    49043 File
    49044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49045 packages/chimerax/core/graphics/view.py", line 252, in
    49046 check_for_drawing_change 
    49047 trig.activate_trigger('graphics update', self) 
    49048 File
    49049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49050 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49051 trigger.activate(data) 
    49052 File
    49053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49054 packages/chimerax/core/triggerset.py", line 190, in activate 
    49055 ret = handler.invoke(data, self._remove_bad_handlers) 
    49056 File
    49057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49058 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49059 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49060 File
    49061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49062 packages/chimerax/core/session.py", line 943, in <lambda> 
    49063 logger.report_exception(preface=preface)) 
    49064 File
    49065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49066 packages/chimerax/core/logger.py", line 421, in report_exception 
    49067 elif probably_chimera1_session(exc_info): 
    49068 File
    49069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49070 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49071 etype, evalue, etraceback = exc_info 
    49072 TypeError: cannot unpack non-iterable NoneType object 
    49073  
    49074 TypeError: cannot unpack non-iterable NoneType object 
    49075  
    49076 File
    49077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49078 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49079 etype, evalue, etraceback = exc_info 
    49080  
    49081 See log for complete Python traceback. 
    49082  
    49083 Traceback (most recent call last): 
    49084 File
    49085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49086 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49087 return self._func(self._name, data) 
    49088 File
    49089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49090 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49091 if v.display: 
    49092 File
    49093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49094 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49095 return self._any_displayed_positions and len(self._positions) > 0 
    49096 TypeError: object of type 'NoneType' has no len() 
    49097  
    49098 During handling of the above exception, another exception occurred: 
    49099  
    49100 Traceback (most recent call last): 
    49101 File
    49102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49103 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49104 if not self.draw_new_frame(): 
    49105 File
    49106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49107 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49108 changed = view.check_for_drawing_change() 
    49109 File
    49110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49111 packages/chimerax/core/graphics/view.py", line 252, in
    49112 check_for_drawing_change 
    49113 trig.activate_trigger('graphics update', self) 
    49114 File
    49115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49116 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49117 trigger.activate(data) 
    49118 File
    49119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49120 packages/chimerax/core/triggerset.py", line 190, in activate 
    49121 ret = handler.invoke(data, self._remove_bad_handlers) 
    49122 File
    49123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49124 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49125 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49126 File
    49127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49128 packages/chimerax/core/session.py", line 943, in <lambda> 
    49129 logger.report_exception(preface=preface)) 
    49130 File
    49131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49132 packages/chimerax/core/logger.py", line 421, in report_exception 
    49133 elif probably_chimera1_session(exc_info): 
    49134 File
    49135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49136 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49137 etype, evalue, etraceback = exc_info 
    49138 TypeError: cannot unpack non-iterable NoneType object 
    49139  
    49140 TypeError: cannot unpack non-iterable NoneType object 
    49141  
    49142 File
    49143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49144 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49145 etype, evalue, etraceback = exc_info 
    49146  
    49147 See log for complete Python traceback. 
    49148  
    49149 Traceback (most recent call last): 
    49150 File
    49151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49152 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49153 return self._func(self._name, data) 
    49154 File
    49155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49156 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49157 if v.display: 
    49158 File
    49159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49160 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49161 return self._any_displayed_positions and len(self._positions) > 0 
    49162 TypeError: object of type 'NoneType' has no len() 
    49163  
    49164 During handling of the above exception, another exception occurred: 
    49165  
    49166 Traceback (most recent call last): 
    49167 File
    49168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49169 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49170 if not self.draw_new_frame(): 
    49171 File
    49172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49173 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49174 changed = view.check_for_drawing_change() 
    49175 File
    49176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49177 packages/chimerax/core/graphics/view.py", line 252, in
    49178 check_for_drawing_change 
    49179 trig.activate_trigger('graphics update', self) 
    49180 File
    49181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49182 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49183 trigger.activate(data) 
    49184 File
    49185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49186 packages/chimerax/core/triggerset.py", line 190, in activate 
    49187 ret = handler.invoke(data, self._remove_bad_handlers) 
    49188 File
    49189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49190 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49191 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49192 File
    49193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49194 packages/chimerax/core/session.py", line 943, in <lambda> 
    49195 logger.report_exception(preface=preface)) 
    49196 File
    49197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49198 packages/chimerax/core/logger.py", line 421, in report_exception 
    49199 elif probably_chimera1_session(exc_info): 
    49200 File
    49201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49202 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49203 etype, evalue, etraceback = exc_info 
    49204 TypeError: cannot unpack non-iterable NoneType object 
    49205  
    49206 TypeError: cannot unpack non-iterable NoneType object 
    49207  
    49208 File
    49209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49210 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49211 etype, evalue, etraceback = exc_info 
    49212  
    49213 See log for complete Python traceback. 
    49214  
    49215 Traceback (most recent call last): 
    49216 File
    49217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49219 return self._func(self._name, data) 
    49220 File
    49221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49222 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49223 if v.display: 
    49224 File
    49225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49226 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49227 return self._any_displayed_positions and len(self._positions) > 0 
    49228 TypeError: object of type 'NoneType' has no len() 
    49229  
    49230 During handling of the above exception, another exception occurred: 
    49231  
    49232 Traceback (most recent call last): 
    49233 File
    49234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49235 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49236 if not self.draw_new_frame(): 
    49237 File
    49238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49239 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49240 changed = view.check_for_drawing_change() 
    49241 File
    49242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49243 packages/chimerax/core/graphics/view.py", line 252, in
    49244 check_for_drawing_change 
    49245 trig.activate_trigger('graphics update', self) 
    49246 File
    49247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49248 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49249 trigger.activate(data) 
    49250 File
    49251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49252 packages/chimerax/core/triggerset.py", line 190, in activate 
    49253 ret = handler.invoke(data, self._remove_bad_handlers) 
    49254 File
    49255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49256 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49257 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49258 File
    49259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49260 packages/chimerax/core/session.py", line 943, in <lambda> 
    49261 logger.report_exception(preface=preface)) 
    49262 File
    49263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49264 packages/chimerax/core/logger.py", line 421, in report_exception 
    49265 elif probably_chimera1_session(exc_info): 
    49266 File
    49267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49268 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49269 etype, evalue, etraceback = exc_info 
    49270 TypeError: cannot unpack non-iterable NoneType object 
    49271  
    49272 TypeError: cannot unpack non-iterable NoneType object 
    49273  
    49274 File
    49275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49276 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49277 etype, evalue, etraceback = exc_info 
    49278  
    49279 See log for complete Python traceback. 
    49280  
    49281 Traceback (most recent call last): 
    49282 File
    49283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49284 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49285 return self._func(self._name, data) 
    49286 File
    49287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49288 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49289 if v.display: 
    49290 File
    49291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49292 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49293 return self._any_displayed_positions and len(self._positions) > 0 
    49294 TypeError: object of type 'NoneType' has no len() 
    49295  
    49296 During handling of the above exception, another exception occurred: 
    49297  
    49298 Traceback (most recent call last): 
    49299 File
    49300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49301 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49302 if not self.draw_new_frame(): 
    49303 File
    49304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49305 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49306 changed = view.check_for_drawing_change() 
    49307 File
    49308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49309 packages/chimerax/core/graphics/view.py", line 252, in
    49310 check_for_drawing_change 
    49311 trig.activate_trigger('graphics update', self) 
    49312 File
    49313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49314 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49315 trigger.activate(data) 
    49316 File
    49317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49318 packages/chimerax/core/triggerset.py", line 190, in activate 
    49319 ret = handler.invoke(data, self._remove_bad_handlers) 
    49320 File
    49321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49322 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49323 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49324 File
    49325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49326 packages/chimerax/core/session.py", line 943, in <lambda> 
    49327 logger.report_exception(preface=preface)) 
    49328 File
    49329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49330 packages/chimerax/core/logger.py", line 421, in report_exception 
    49331 elif probably_chimera1_session(exc_info): 
    49332 File
    49333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49334 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49335 etype, evalue, etraceback = exc_info 
    49336 TypeError: cannot unpack non-iterable NoneType object 
    49337  
    49338 TypeError: cannot unpack non-iterable NoneType object 
    49339  
    49340 File
    49341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49342 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49343 etype, evalue, etraceback = exc_info 
    49344  
    49345 See log for complete Python traceback. 
    49346  
    49347 Traceback (most recent call last): 
    49348 File
    49349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49350 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49351 return self._func(self._name, data) 
    49352 File
    49353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49354 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49355 if v.display: 
    49356 File
    49357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49358 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49359 return self._any_displayed_positions and len(self._positions) > 0 
    49360 TypeError: object of type 'NoneType' has no len() 
    49361  
    49362 During handling of the above exception, another exception occurred: 
    49363  
    49364 Traceback (most recent call last): 
    49365 File
    49366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49367 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49368 if not self.draw_new_frame(): 
    49369 File
    49370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49371 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49372 changed = view.check_for_drawing_change() 
    49373 File
    49374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49375 packages/chimerax/core/graphics/view.py", line 252, in
    49376 check_for_drawing_change 
    49377 trig.activate_trigger('graphics update', self) 
    49378 File
    49379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49380 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49381 trigger.activate(data) 
    49382 File
    49383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49384 packages/chimerax/core/triggerset.py", line 190, in activate 
    49385 ret = handler.invoke(data, self._remove_bad_handlers) 
    49386 File
    49387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49388 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49389 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49390 File
    49391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49392 packages/chimerax/core/session.py", line 943, in <lambda> 
    49393 logger.report_exception(preface=preface)) 
    49394 File
    49395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49396 packages/chimerax/core/logger.py", line 421, in report_exception 
    49397 elif probably_chimera1_session(exc_info): 
    49398 File
    49399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49400 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49401 etype, evalue, etraceback = exc_info 
    49402 TypeError: cannot unpack non-iterable NoneType object 
    49403  
    49404 TypeError: cannot unpack non-iterable NoneType object 
    49405  
    49406 File
    49407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49408 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49409 etype, evalue, etraceback = exc_info 
    49410  
    49411 See log for complete Python traceback. 
    49412  
    49413 Traceback (most recent call last): 
    49414 File
    49415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49416 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49417 return self._func(self._name, data) 
    49418 File
    49419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49420 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49421 if v.display: 
    49422 File
    49423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49424 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49425 return self._any_displayed_positions and len(self._positions) > 0 
    49426 TypeError: object of type 'NoneType' has no len() 
    49427  
    49428 During handling of the above exception, another exception occurred: 
    49429  
    49430 Traceback (most recent call last): 
    49431 File
    49432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49433 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49434 if not self.draw_new_frame(): 
    49435 File
    49436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49437 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49438 changed = view.check_for_drawing_change() 
    49439 File
    49440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49441 packages/chimerax/core/graphics/view.py", line 252, in
    49442 check_for_drawing_change 
    49443 trig.activate_trigger('graphics update', self) 
    49444 File
    49445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49446 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49447 trigger.activate(data) 
    49448 File
    49449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49450 packages/chimerax/core/triggerset.py", line 190, in activate 
    49451 ret = handler.invoke(data, self._remove_bad_handlers) 
    49452 File
    49453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49454 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49455 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49456 File
    49457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49458 packages/chimerax/core/session.py", line 943, in <lambda> 
    49459 logger.report_exception(preface=preface)) 
    49460 File
    49461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49462 packages/chimerax/core/logger.py", line 421, in report_exception 
    49463 elif probably_chimera1_session(exc_info): 
    49464 File
    49465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49466 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49467 etype, evalue, etraceback = exc_info 
    49468 TypeError: cannot unpack non-iterable NoneType object 
    49469  
    49470 TypeError: cannot unpack non-iterable NoneType object 
    49471  
    49472 File
    49473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49474 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49475 etype, evalue, etraceback = exc_info 
    49476  
    49477 See log for complete Python traceback. 
    49478  
    49479 Traceback (most recent call last): 
    49480 File
    49481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49482 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49483 return self._func(self._name, data) 
    49484 File
    49485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49486 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49487 if v.display: 
    49488 File
    49489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49490 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49491 return self._any_displayed_positions and len(self._positions) > 0 
    49492 TypeError: object of type 'NoneType' has no len() 
    49493  
    49494 During handling of the above exception, another exception occurred: 
    49495  
    49496 Traceback (most recent call last): 
    49497 File
    49498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49499 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49500 if not self.draw_new_frame(): 
    49501 File
    49502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49503 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49504 changed = view.check_for_drawing_change() 
    49505 File
    49506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49507 packages/chimerax/core/graphics/view.py", line 252, in
    49508 check_for_drawing_change 
    49509 trig.activate_trigger('graphics update', self) 
    49510 File
    49511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49512 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49513 trigger.activate(data) 
    49514 File
    49515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49516 packages/chimerax/core/triggerset.py", line 190, in activate 
    49517 ret = handler.invoke(data, self._remove_bad_handlers) 
    49518 File
    49519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49520 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49521 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49522 File
    49523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49524 packages/chimerax/core/session.py", line 943, in <lambda> 
    49525 logger.report_exception(preface=preface)) 
    49526 File
    49527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49528 packages/chimerax/core/logger.py", line 421, in report_exception 
    49529 elif probably_chimera1_session(exc_info): 
    49530 File
    49531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49532 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49533 etype, evalue, etraceback = exc_info 
    49534 TypeError: cannot unpack non-iterable NoneType object 
    49535  
    49536 TypeError: cannot unpack non-iterable NoneType object 
    49537  
    49538 File
    49539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49540 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49541 etype, evalue, etraceback = exc_info 
    49542  
    49543 See log for complete Python traceback. 
    49544  
    49545 Traceback (most recent call last): 
    49546 File
    49547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49548 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49549 return self._func(self._name, data) 
    49550 File
    49551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49552 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49553 if v.display: 
    49554 File
    49555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49556 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49557 return self._any_displayed_positions and len(self._positions) > 0 
    49558 TypeError: object of type 'NoneType' has no len() 
    49559  
    49560 During handling of the above exception, another exception occurred: 
    49561  
    49562 Traceback (most recent call last): 
    49563 File
    49564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49565 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49566 if not self.draw_new_frame(): 
    49567 File
    49568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49569 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49570 changed = view.check_for_drawing_change() 
    49571 File
    49572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49573 packages/chimerax/core/graphics/view.py", line 252, in
    49574 check_for_drawing_change 
    49575 trig.activate_trigger('graphics update', self) 
    49576 File
    49577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49578 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49579 trigger.activate(data) 
    49580 File
    49581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49582 packages/chimerax/core/triggerset.py", line 190, in activate 
    49583 ret = handler.invoke(data, self._remove_bad_handlers) 
    49584 File
    49585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49586 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49587 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49588 File
    49589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49590 packages/chimerax/core/session.py", line 943, in <lambda> 
    49591 logger.report_exception(preface=preface)) 
    49592 File
    49593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49594 packages/chimerax/core/logger.py", line 421, in report_exception 
    49595 elif probably_chimera1_session(exc_info): 
    49596 File
    49597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49598 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49599 etype, evalue, etraceback = exc_info 
    49600 TypeError: cannot unpack non-iterable NoneType object 
    49601  
    49602 TypeError: cannot unpack non-iterable NoneType object 
    49603  
    49604 File
    49605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49606 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49607 etype, evalue, etraceback = exc_info 
    49608  
    49609 See log for complete Python traceback. 
    49610  
    49611 Traceback (most recent call last): 
    49612 File
    49613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49614 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49615 return self._func(self._name, data) 
    49616 File
    49617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49618 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49619 if v.display: 
    49620 File
    49621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49622 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49623 return self._any_displayed_positions and len(self._positions) > 0 
    49624 TypeError: object of type 'NoneType' has no len() 
    49625  
    49626 During handling of the above exception, another exception occurred: 
    49627  
    49628 Traceback (most recent call last): 
    49629 File
    49630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49631 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49632 if not self.draw_new_frame(): 
    49633 File
    49634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49635 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49636 changed = view.check_for_drawing_change() 
    49637 File
    49638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49639 packages/chimerax/core/graphics/view.py", line 252, in
    49640 check_for_drawing_change 
    49641 trig.activate_trigger('graphics update', self) 
    49642 File
    49643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49644 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49645 trigger.activate(data) 
    49646 File
    49647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49648 packages/chimerax/core/triggerset.py", line 190, in activate 
    49649 ret = handler.invoke(data, self._remove_bad_handlers) 
    49650 File
    49651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49652 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49653 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49654 File
    49655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49656 packages/chimerax/core/session.py", line 943, in <lambda> 
    49657 logger.report_exception(preface=preface)) 
    49658 File
    49659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49660 packages/chimerax/core/logger.py", line 421, in report_exception 
    49661 elif probably_chimera1_session(exc_info): 
    49662 File
    49663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49664 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49665 etype, evalue, etraceback = exc_info 
    49666 TypeError: cannot unpack non-iterable NoneType object 
    49667  
    49668 TypeError: cannot unpack non-iterable NoneType object 
    49669  
    49670 File
    49671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49672 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49673 etype, evalue, etraceback = exc_info 
    49674  
    49675 See log for complete Python traceback. 
    49676  
    49677 Traceback (most recent call last): 
    49678 File
    49679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49680 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49681 return self._func(self._name, data) 
    49682 File
    49683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49684 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49685 if v.display: 
    49686 File
    49687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49688 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49689 return self._any_displayed_positions and len(self._positions) > 0 
    49690 TypeError: object of type 'NoneType' has no len() 
    49691  
    49692 During handling of the above exception, another exception occurred: 
    49693  
    49694 Traceback (most recent call last): 
    49695 File
    49696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49697 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49698 if not self.draw_new_frame(): 
    49699 File
    49700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49701 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49702 changed = view.check_for_drawing_change() 
    49703 File
    49704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49705 packages/chimerax/core/graphics/view.py", line 252, in
    49706 check_for_drawing_change 
    49707 trig.activate_trigger('graphics update', self) 
    49708 File
    49709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49710 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49711 trigger.activate(data) 
    49712 File
    49713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49714 packages/chimerax/core/triggerset.py", line 190, in activate 
    49715 ret = handler.invoke(data, self._remove_bad_handlers) 
    49716 File
    49717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49718 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49719 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49720 File
    49721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49722 packages/chimerax/core/session.py", line 943, in <lambda> 
    49723 logger.report_exception(preface=preface)) 
    49724 File
    49725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49726 packages/chimerax/core/logger.py", line 421, in report_exception 
    49727 elif probably_chimera1_session(exc_info): 
    49728 File
    49729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49730 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49731 etype, evalue, etraceback = exc_info 
    49732 TypeError: cannot unpack non-iterable NoneType object 
    49733  
    49734 TypeError: cannot unpack non-iterable NoneType object 
    49735  
    49736 File
    49737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49738 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49739 etype, evalue, etraceback = exc_info 
    49740  
    49741 See log for complete Python traceback. 
    49742  
    49743 Traceback (most recent call last): 
    49744 File
    49745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49746 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49747 return self._func(self._name, data) 
    49748 File
    49749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49750 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49751 if v.display: 
    49752 File
    49753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49754 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49755 return self._any_displayed_positions and len(self._positions) > 0 
    49756 TypeError: object of type 'NoneType' has no len() 
    49757  
    49758 During handling of the above exception, another exception occurred: 
    49759  
    49760 Traceback (most recent call last): 
    49761 File
    49762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49763 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49764 if not self.draw_new_frame(): 
    49765 File
    49766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49767 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49768 changed = view.check_for_drawing_change() 
    49769 File
    49770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49771 packages/chimerax/core/graphics/view.py", line 252, in
    49772 check_for_drawing_change 
    49773 trig.activate_trigger('graphics update', self) 
    49774 File
    49775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49776 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49777 trigger.activate(data) 
    49778 File
    49779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49780 packages/chimerax/core/triggerset.py", line 190, in activate 
    49781 ret = handler.invoke(data, self._remove_bad_handlers) 
    49782 File
    49783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49784 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49785 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49786 File
    49787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49788 packages/chimerax/core/session.py", line 943, in <lambda> 
    49789 logger.report_exception(preface=preface)) 
    49790 File
    49791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49792 packages/chimerax/core/logger.py", line 421, in report_exception 
    49793 elif probably_chimera1_session(exc_info): 
    49794 File
    49795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49796 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49797 etype, evalue, etraceback = exc_info 
    49798 TypeError: cannot unpack non-iterable NoneType object 
    49799  
    49800 TypeError: cannot unpack non-iterable NoneType object 
    49801  
    49802 File
    49803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49804 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49805 etype, evalue, etraceback = exc_info 
    49806  
    49807 See log for complete Python traceback. 
    49808  
    49809 Traceback (most recent call last): 
    49810 File
    49811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49812 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49813 return self._func(self._name, data) 
    49814 File
    49815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49816 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49817 if v.display: 
    49818 File
    49819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49820 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49821 return self._any_displayed_positions and len(self._positions) > 0 
    49822 TypeError: object of type 'NoneType' has no len() 
    49823  
    49824 During handling of the above exception, another exception occurred: 
    49825  
    49826 Traceback (most recent call last): 
    49827 File
    49828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49829 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49830 if not self.draw_new_frame(): 
    49831 File
    49832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49833 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49834 changed = view.check_for_drawing_change() 
    49835 File
    49836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49837 packages/chimerax/core/graphics/view.py", line 252, in
    49838 check_for_drawing_change 
    49839 trig.activate_trigger('graphics update', self) 
    49840 File
    49841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49842 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49843 trigger.activate(data) 
    49844 File
    49845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49846 packages/chimerax/core/triggerset.py", line 190, in activate 
    49847 ret = handler.invoke(data, self._remove_bad_handlers) 
    49848 File
    49849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49850 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49851 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49852 File
    49853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49854 packages/chimerax/core/session.py", line 943, in <lambda> 
    49855 logger.report_exception(preface=preface)) 
    49856 File
    49857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49858 packages/chimerax/core/logger.py", line 421, in report_exception 
    49859 elif probably_chimera1_session(exc_info): 
    49860 File
    49861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49862 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49863 etype, evalue, etraceback = exc_info 
    49864 TypeError: cannot unpack non-iterable NoneType object 
    49865  
    49866 TypeError: cannot unpack non-iterable NoneType object 
    49867  
    49868 File
    49869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49870 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49871 etype, evalue, etraceback = exc_info 
    49872  
    49873 See log for complete Python traceback. 
    49874  
    49875 Traceback (most recent call last): 
    49876 File
    49877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49878 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49879 return self._func(self._name, data) 
    49880 File
    49881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49882 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49883 if v.display: 
    49884 File
    49885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49886 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49887 return self._any_displayed_positions and len(self._positions) > 0 
    49888 TypeError: object of type 'NoneType' has no len() 
    49889  
    49890 During handling of the above exception, another exception occurred: 
    49891  
    49892 Traceback (most recent call last): 
    49893 File
    49894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49895 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49896 if not self.draw_new_frame(): 
    49897 File
    49898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49899 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49900 changed = view.check_for_drawing_change() 
    49901 File
    49902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49903 packages/chimerax/core/graphics/view.py", line 252, in
    49904 check_for_drawing_change 
    49905 trig.activate_trigger('graphics update', self) 
    49906 File
    49907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49908 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49909 trigger.activate(data) 
    49910 File
    49911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49912 packages/chimerax/core/triggerset.py", line 190, in activate 
    49913 ret = handler.invoke(data, self._remove_bad_handlers) 
    49914 File
    49915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49916 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49917 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49918 File
    49919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49920 packages/chimerax/core/session.py", line 943, in <lambda> 
    49921 logger.report_exception(preface=preface)) 
    49922 File
    49923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49924 packages/chimerax/core/logger.py", line 421, in report_exception 
    49925 elif probably_chimera1_session(exc_info): 
    49926 File
    49927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49928 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49929 etype, evalue, etraceback = exc_info 
    49930 TypeError: cannot unpack non-iterable NoneType object 
    49931  
    49932 TypeError: cannot unpack non-iterable NoneType object 
    49933  
    49934 File
    49935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49936 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49937 etype, evalue, etraceback = exc_info 
    49938  
    49939 See log for complete Python traceback. 
    49940  
    49941 Traceback (most recent call last): 
    49942 File
    49943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49944 packages/chimerax/core/triggerset.py", line 130, in invoke 
    49945 return self._func(self._name, data) 
    49946 File
    49947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49948 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    49949 if v.display: 
    49950 File
    49951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49952 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    49953 return self._any_displayed_positions and len(self._positions) > 0 
    49954 TypeError: object of type 'NoneType' has no len() 
    49955  
    49956 During handling of the above exception, another exception occurred: 
    49957  
    49958 Traceback (most recent call last): 
    49959 File
    49960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49961 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    49962 if not self.draw_new_frame(): 
    49963 File
    49964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49965 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    49966 changed = view.check_for_drawing_change() 
    49967 File
    49968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49969 packages/chimerax/core/graphics/view.py", line 252, in
    49970 check_for_drawing_change 
    49971 trig.activate_trigger('graphics update', self) 
    49972 File
    49973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49974 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    49975 trigger.activate(data) 
    49976 File
    49977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49978 packages/chimerax/core/triggerset.py", line 190, in activate 
    49979 ret = handler.invoke(data, self._remove_bad_handlers) 
    49980 File
    49981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49982 packages/chimerax/core/triggerset.py", line 132, in invoke 
    49983 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    49984 File
    49985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49986 packages/chimerax/core/session.py", line 943, in <lambda> 
    49987 logger.report_exception(preface=preface)) 
    49988 File
    49989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49990 packages/chimerax/core/logger.py", line 421, in report_exception 
    49991 elif probably_chimera1_session(exc_info): 
    49992 File
    49993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    49994 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    49995 etype, evalue, etraceback = exc_info 
    49996 TypeError: cannot unpack non-iterable NoneType object 
    49997  
    49998 TypeError: cannot unpack non-iterable NoneType object 
    49999  
    50000 File
    50001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50002 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50003 etype, evalue, etraceback = exc_info 
    50004  
    50005 See log for complete Python traceback. 
    50006  
    50007 Traceback (most recent call last): 
    50008 File
    50009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50010 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50011 return self._func(self._name, data) 
    50012 File
    50013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50014 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50015 if v.display: 
    50016 File
    50017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50018 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50019 return self._any_displayed_positions and len(self._positions) > 0 
    50020 TypeError: object of type 'NoneType' has no len() 
    50021  
    50022 During handling of the above exception, another exception occurred: 
    50023  
    50024 Traceback (most recent call last): 
    50025 File
    50026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50027 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50028 if not self.draw_new_frame(): 
    50029 File
    50030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50031 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50032 changed = view.check_for_drawing_change() 
    50033 File
    50034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50035 packages/chimerax/core/graphics/view.py", line 252, in
    50036 check_for_drawing_change 
    50037 trig.activate_trigger('graphics update', self) 
    50038 File
    50039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50040 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50041 trigger.activate(data) 
    50042 File
    50043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50044 packages/chimerax/core/triggerset.py", line 190, in activate 
    50045 ret = handler.invoke(data, self._remove_bad_handlers) 
    50046 File
    50047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50048 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50049 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50050 File
    50051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50052 packages/chimerax/core/session.py", line 943, in <lambda> 
    50053 logger.report_exception(preface=preface)) 
    50054 File
    50055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50056 packages/chimerax/core/logger.py", line 421, in report_exception 
    50057 elif probably_chimera1_session(exc_info): 
    50058 File
    50059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50060 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50061 etype, evalue, etraceback = exc_info 
    50062 TypeError: cannot unpack non-iterable NoneType object 
    50063  
    50064 TypeError: cannot unpack non-iterable NoneType object 
    50065  
    50066 File
    50067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50068 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50069 etype, evalue, etraceback = exc_info 
    50070  
    50071 See log for complete Python traceback. 
    50072  
    50073 Traceback (most recent call last): 
    50074 File
    50075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50076 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50077 return self._func(self._name, data) 
    50078 File
    50079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50080 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50081 if v.display: 
    50082 File
    50083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50084 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50085 return self._any_displayed_positions and len(self._positions) > 0 
    50086 TypeError: object of type 'NoneType' has no len() 
    50087  
    50088 During handling of the above exception, another exception occurred: 
    50089  
    50090 Traceback (most recent call last): 
    50091 File
    50092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50093 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50094 if not self.draw_new_frame(): 
    50095 File
    50096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50097 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50098 changed = view.check_for_drawing_change() 
    50099 File
    50100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50101 packages/chimerax/core/graphics/view.py", line 252, in
    50102 check_for_drawing_change 
    50103 trig.activate_trigger('graphics update', self) 
    50104 File
    50105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50106 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50107 trigger.activate(data) 
    50108 File
    50109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50110 packages/chimerax/core/triggerset.py", line 190, in activate 
    50111 ret = handler.invoke(data, self._remove_bad_handlers) 
    50112 File
    50113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50114 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50115 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50116 File
    50117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50118 packages/chimerax/core/session.py", line 943, in <lambda> 
    50119 logger.report_exception(preface=preface)) 
    50120 File
    50121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50122 packages/chimerax/core/logger.py", line 421, in report_exception 
    50123 elif probably_chimera1_session(exc_info): 
    50124 File
    50125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50126 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50127 etype, evalue, etraceback = exc_info 
    50128 TypeError: cannot unpack non-iterable NoneType object 
    50129  
    50130 TypeError: cannot unpack non-iterable NoneType object 
    50131  
    50132 File
    50133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50134 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50135 etype, evalue, etraceback = exc_info 
    50136  
    50137 See log for complete Python traceback. 
    50138  
    50139 Traceback (most recent call last): 
    50140 File
    50141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50142 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50143 return self._func(self._name, data) 
    50144 File
    50145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50146 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50147 if v.display: 
    50148 File
    50149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50150 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50151 return self._any_displayed_positions and len(self._positions) > 0 
    50152 TypeError: object of type 'NoneType' has no len() 
    50153  
    50154 During handling of the above exception, another exception occurred: 
    50155  
    50156 Traceback (most recent call last): 
    50157 File
    50158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50159 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50160 if not self.draw_new_frame(): 
    50161 File
    50162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50163 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50164 changed = view.check_for_drawing_change() 
    50165 File
    50166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50167 packages/chimerax/core/graphics/view.py", line 252, in
    50168 check_for_drawing_change 
    50169 trig.activate_trigger('graphics update', self) 
    50170 File
    50171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50172 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50173 trigger.activate(data) 
    50174 File
    50175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50176 packages/chimerax/core/triggerset.py", line 190, in activate 
    50177 ret = handler.invoke(data, self._remove_bad_handlers) 
    50178 File
    50179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50180 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50181 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50182 File
    50183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50184 packages/chimerax/core/session.py", line 943, in <lambda> 
    50185 logger.report_exception(preface=preface)) 
    50186 File
    50187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50188 packages/chimerax/core/logger.py", line 421, in report_exception 
    50189 elif probably_chimera1_session(exc_info): 
    50190 File
    50191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50192 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50193 etype, evalue, etraceback = exc_info 
    50194 TypeError: cannot unpack non-iterable NoneType object 
    50195  
    50196 TypeError: cannot unpack non-iterable NoneType object 
    50197  
    50198 File
    50199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50200 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50201 etype, evalue, etraceback = exc_info 
    50202  
    50203 See log for complete Python traceback. 
    50204  
    50205 Traceback (most recent call last): 
    50206 File
    50207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50208 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50209 return self._func(self._name, data) 
    50210 File
    50211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50212 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50213 if v.display: 
    50214 File
    50215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50216 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50217 return self._any_displayed_positions and len(self._positions) > 0 
    50218 TypeError: object of type 'NoneType' has no len() 
    50219  
    50220 During handling of the above exception, another exception occurred: 
    50221  
    50222 Traceback (most recent call last): 
    50223 File
    50224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50225 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50226 if not self.draw_new_frame(): 
    50227 File
    50228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50229 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50230 changed = view.check_for_drawing_change() 
    50231 File
    50232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50233 packages/chimerax/core/graphics/view.py", line 252, in
    50234 check_for_drawing_change 
    50235 trig.activate_trigger('graphics update', self) 
    50236 File
    50237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50238 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50239 trigger.activate(data) 
    50240 File
    50241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50242 packages/chimerax/core/triggerset.py", line 190, in activate 
    50243 ret = handler.invoke(data, self._remove_bad_handlers) 
    50244 File
    50245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50246 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50247 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50248 File
    50249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50250 packages/chimerax/core/session.py", line 943, in <lambda> 
    50251 logger.report_exception(preface=preface)) 
    50252 File
    50253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50254 packages/chimerax/core/logger.py", line 421, in report_exception 
    50255 elif probably_chimera1_session(exc_info): 
    50256 File
    50257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50258 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50259 etype, evalue, etraceback = exc_info 
    50260 TypeError: cannot unpack non-iterable NoneType object 
    50261  
    50262 TypeError: cannot unpack non-iterable NoneType object 
    50263  
    50264 File
    50265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50266 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50267 etype, evalue, etraceback = exc_info 
    50268  
    50269 See log for complete Python traceback. 
    50270  
    50271 Traceback (most recent call last): 
    50272 File
    50273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50274 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50275 return self._func(self._name, data) 
    50276 File
    50277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50278 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50279 if v.display: 
    50280 File
    50281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50282 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50283 return self._any_displayed_positions and len(self._positions) > 0 
    50284 TypeError: object of type 'NoneType' has no len() 
    50285  
    50286 During handling of the above exception, another exception occurred: 
    50287  
    50288 Traceback (most recent call last): 
    50289 File
    50290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50291 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50292 if not self.draw_new_frame(): 
    50293 File
    50294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50295 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50296 changed = view.check_for_drawing_change() 
    50297 File
    50298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50299 packages/chimerax/core/graphics/view.py", line 252, in
    50300 check_for_drawing_change 
    50301 trig.activate_trigger('graphics update', self) 
    50302 File
    50303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50304 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50305 trigger.activate(data) 
    50306 File
    50307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50308 packages/chimerax/core/triggerset.py", line 190, in activate 
    50309 ret = handler.invoke(data, self._remove_bad_handlers) 
    50310 File
    50311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50312 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50313 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50314 File
    50315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50316 packages/chimerax/core/session.py", line 943, in <lambda> 
    50317 logger.report_exception(preface=preface)) 
    50318 File
    50319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50320 packages/chimerax/core/logger.py", line 421, in report_exception 
    50321 elif probably_chimera1_session(exc_info): 
    50322 File
    50323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50324 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50325 etype, evalue, etraceback = exc_info 
    50326 TypeError: cannot unpack non-iterable NoneType object 
    50327  
    50328 TypeError: cannot unpack non-iterable NoneType object 
    50329  
    50330 File
    50331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50332 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50333 etype, evalue, etraceback = exc_info 
    50334  
    50335 See log for complete Python traceback. 
    50336  
    50337 Traceback (most recent call last): 
    50338 File
    50339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50340 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50341 return self._func(self._name, data) 
    50342 File
    50343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50344 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50345 if v.display: 
    50346 File
    50347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50348 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50349 return self._any_displayed_positions and len(self._positions) > 0 
    50350 TypeError: object of type 'NoneType' has no len() 
    50351  
    50352 During handling of the above exception, another exception occurred: 
    50353  
    50354 Traceback (most recent call last): 
    50355 File
    50356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50357 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50358 if not self.draw_new_frame(): 
    50359 File
    50360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50361 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50362 changed = view.check_for_drawing_change() 
    50363 File
    50364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50365 packages/chimerax/core/graphics/view.py", line 252, in
    50366 check_for_drawing_change 
    50367 trig.activate_trigger('graphics update', self) 
    50368 File
    50369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50370 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50371 trigger.activate(data) 
    50372 File
    50373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50374 packages/chimerax/core/triggerset.py", line 190, in activate 
    50375 ret = handler.invoke(data, self._remove_bad_handlers) 
    50376 File
    50377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50378 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50379 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50380 File
    50381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50382 packages/chimerax/core/session.py", line 943, in <lambda> 
    50383 logger.report_exception(preface=preface)) 
    50384 File
    50385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50386 packages/chimerax/core/logger.py", line 421, in report_exception 
    50387 elif probably_chimera1_session(exc_info): 
    50388 File
    50389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50390 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50391 etype, evalue, etraceback = exc_info 
    50392 TypeError: cannot unpack non-iterable NoneType object 
    50393  
    50394 TypeError: cannot unpack non-iterable NoneType object 
    50395  
    50396 File
    50397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50398 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50399 etype, evalue, etraceback = exc_info 
    50400  
    50401 See log for complete Python traceback. 
    50402  
    50403 Traceback (most recent call last): 
    50404 File
    50405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50406 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50407 return self._func(self._name, data) 
    50408 File
    50409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50410 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50411 if v.display: 
    50412 File
    50413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50414 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50415 return self._any_displayed_positions and len(self._positions) > 0 
    50416 TypeError: object of type 'NoneType' has no len() 
    50417  
    50418 During handling of the above exception, another exception occurred: 
    50419  
    50420 Traceback (most recent call last): 
    50421 File
    50422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50423 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50424 if not self.draw_new_frame(): 
    50425 File
    50426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50427 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50428 changed = view.check_for_drawing_change() 
    50429 File
    50430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50431 packages/chimerax/core/graphics/view.py", line 252, in
    50432 check_for_drawing_change 
    50433 trig.activate_trigger('graphics update', self) 
    50434 File
    50435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50436 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50437 trigger.activate(data) 
    50438 File
    50439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50440 packages/chimerax/core/triggerset.py", line 190, in activate 
    50441 ret = handler.invoke(data, self._remove_bad_handlers) 
    50442 File
    50443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50444 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50445 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50446 File
    50447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50448 packages/chimerax/core/session.py", line 943, in <lambda> 
    50449 logger.report_exception(preface=preface)) 
    50450 File
    50451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50452 packages/chimerax/core/logger.py", line 421, in report_exception 
    50453 elif probably_chimera1_session(exc_info): 
    50454 File
    50455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50456 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50457 etype, evalue, etraceback = exc_info 
    50458 TypeError: cannot unpack non-iterable NoneType object 
    50459  
    50460 TypeError: cannot unpack non-iterable NoneType object 
    50461  
    50462 File
    50463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50464 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50465 etype, evalue, etraceback = exc_info 
    50466  
    50467 See log for complete Python traceback. 
    50468  
    50469 Traceback (most recent call last): 
    50470 File
    50471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50472 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50473 return self._func(self._name, data) 
    50474 File
    50475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50476 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50477 if v.display: 
    50478 File
    50479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50480 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50481 return self._any_displayed_positions and len(self._positions) > 0 
    50482 TypeError: object of type 'NoneType' has no len() 
    50483  
    50484 During handling of the above exception, another exception occurred: 
    50485  
    50486 Traceback (most recent call last): 
    50487 File
    50488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50489 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50490 if not self.draw_new_frame(): 
    50491 File
    50492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50493 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50494 changed = view.check_for_drawing_change() 
    50495 File
    50496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50497 packages/chimerax/core/graphics/view.py", line 252, in
    50498 check_for_drawing_change 
    50499 trig.activate_trigger('graphics update', self) 
    50500 File
    50501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50502 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50503 trigger.activate(data) 
    50504 File
    50505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50506 packages/chimerax/core/triggerset.py", line 190, in activate 
    50507 ret = handler.invoke(data, self._remove_bad_handlers) 
    50508 File
    50509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50510 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50511 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50512 File
    50513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50514 packages/chimerax/core/session.py", line 943, in <lambda> 
    50515 logger.report_exception(preface=preface)) 
    50516 File
    50517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50518 packages/chimerax/core/logger.py", line 421, in report_exception 
    50519 elif probably_chimera1_session(exc_info): 
    50520 File
    50521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50522 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50523 etype, evalue, etraceback = exc_info 
    50524 TypeError: cannot unpack non-iterable NoneType object 
    50525  
    50526 TypeError: cannot unpack non-iterable NoneType object 
    50527  
    50528 File
    50529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50530 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50531 etype, evalue, etraceback = exc_info 
    50532  
    50533 See log for complete Python traceback. 
    50534  
    50535 Traceback (most recent call last): 
    50536 File
    50537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50538 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50539 return self._func(self._name, data) 
    50540 File
    50541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50542 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50543 if v.display: 
    50544 File
    50545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50546 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50547 return self._any_displayed_positions and len(self._positions) > 0 
    50548 TypeError: object of type 'NoneType' has no len() 
    50549  
    50550 During handling of the above exception, another exception occurred: 
    50551  
    50552 Traceback (most recent call last): 
    50553 File
    50554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50555 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50556 if not self.draw_new_frame(): 
    50557 File
    50558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50559 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50560 changed = view.check_for_drawing_change() 
    50561 File
    50562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50563 packages/chimerax/core/graphics/view.py", line 252, in
    50564 check_for_drawing_change 
    50565 trig.activate_trigger('graphics update', self) 
    50566 File
    50567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50568 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50569 trigger.activate(data) 
    50570 File
    50571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50572 packages/chimerax/core/triggerset.py", line 190, in activate 
    50573 ret = handler.invoke(data, self._remove_bad_handlers) 
    50574 File
    50575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50576 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50577 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50578 File
    50579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50580 packages/chimerax/core/session.py", line 943, in <lambda> 
    50581 logger.report_exception(preface=preface)) 
    50582 File
    50583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50584 packages/chimerax/core/logger.py", line 421, in report_exception 
    50585 elif probably_chimera1_session(exc_info): 
    50586 File
    50587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50588 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50589 etype, evalue, etraceback = exc_info 
    50590 TypeError: cannot unpack non-iterable NoneType object 
    50591  
    50592 TypeError: cannot unpack non-iterable NoneType object 
    50593  
    50594 File
    50595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50596 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50597 etype, evalue, etraceback = exc_info 
    50598  
    50599 See log for complete Python traceback. 
    50600  
    50601 Traceback (most recent call last): 
    50602 File
    50603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50604 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50605 return self._func(self._name, data) 
    50606 File
    50607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50608 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50609 if v.display: 
    50610 File
    50611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50612 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50613 return self._any_displayed_positions and len(self._positions) > 0 
    50614 TypeError: object of type 'NoneType' has no len() 
    50615  
    50616 During handling of the above exception, another exception occurred: 
    50617  
    50618 Traceback (most recent call last): 
    50619 File
    50620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50621 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50622 if not self.draw_new_frame(): 
    50623 File
    50624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50625 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50626 changed = view.check_for_drawing_change() 
    50627 File
    50628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50629 packages/chimerax/core/graphics/view.py", line 252, in
    50630 check_for_drawing_change 
    50631 trig.activate_trigger('graphics update', self) 
    50632 File
    50633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50634 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50635 trigger.activate(data) 
    50636 File
    50637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50638 packages/chimerax/core/triggerset.py", line 190, in activate 
    50639 ret = handler.invoke(data, self._remove_bad_handlers) 
    50640 File
    50641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50642 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50643 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50644 File
    50645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50646 packages/chimerax/core/session.py", line 943, in <lambda> 
    50647 logger.report_exception(preface=preface)) 
    50648 File
    50649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50650 packages/chimerax/core/logger.py", line 421, in report_exception 
    50651 elif probably_chimera1_session(exc_info): 
    50652 File
    50653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50654 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50655 etype, evalue, etraceback = exc_info 
    50656 TypeError: cannot unpack non-iterable NoneType object 
    50657  
    50658 TypeError: cannot unpack non-iterable NoneType object 
    50659  
    50660 File
    50661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50662 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50663 etype, evalue, etraceback = exc_info 
    50664  
    50665 See log for complete Python traceback. 
    50666  
    50667 Traceback (most recent call last): 
    50668 File
    50669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50670 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50671 return self._func(self._name, data) 
    50672 File
    50673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50674 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50675 if v.display: 
    50676 File
    50677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50678 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50679 return self._any_displayed_positions and len(self._positions) > 0 
    50680 TypeError: object of type 'NoneType' has no len() 
    50681  
    50682 During handling of the above exception, another exception occurred: 
    50683  
    50684 Traceback (most recent call last): 
    50685 File
    50686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50687 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50688 if not self.draw_new_frame(): 
    50689 File
    50690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50691 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50692 changed = view.check_for_drawing_change() 
    50693 File
    50694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50695 packages/chimerax/core/graphics/view.py", line 252, in
    50696 check_for_drawing_change 
    50697 trig.activate_trigger('graphics update', self) 
    50698 File
    50699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50700 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50701 trigger.activate(data) 
    50702 File
    50703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50704 packages/chimerax/core/triggerset.py", line 190, in activate 
    50705 ret = handler.invoke(data, self._remove_bad_handlers) 
    50706 File
    50707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50708 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50709 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50710 File
    50711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50712 packages/chimerax/core/session.py", line 943, in <lambda> 
    50713 logger.report_exception(preface=preface)) 
    50714 File
    50715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50716 packages/chimerax/core/logger.py", line 421, in report_exception 
    50717 elif probably_chimera1_session(exc_info): 
    50718 File
    50719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50720 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50721 etype, evalue, etraceback = exc_info 
    50722 TypeError: cannot unpack non-iterable NoneType object 
    50723  
    50724 TypeError: cannot unpack non-iterable NoneType object 
    50725  
    50726 File
    50727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50728 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50729 etype, evalue, etraceback = exc_info 
    50730  
    50731 See log for complete Python traceback. 
    50732  
    50733 Traceback (most recent call last): 
    50734 File
    50735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50736 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50737 return self._func(self._name, data) 
    50738 File
    50739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50740 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50741 if v.display: 
    50742 File
    50743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50744 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50745 return self._any_displayed_positions and len(self._positions) > 0 
    50746 TypeError: object of type 'NoneType' has no len() 
    50747  
    50748 During handling of the above exception, another exception occurred: 
    50749  
    50750 Traceback (most recent call last): 
    50751 File
    50752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50753 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50754 if not self.draw_new_frame(): 
    50755 File
    50756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50757 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50758 changed = view.check_for_drawing_change() 
    50759 File
    50760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50761 packages/chimerax/core/graphics/view.py", line 252, in
    50762 check_for_drawing_change 
    50763 trig.activate_trigger('graphics update', self) 
    50764 File
    50765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50766 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50767 trigger.activate(data) 
    50768 File
    50769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50770 packages/chimerax/core/triggerset.py", line 190, in activate 
    50771 ret = handler.invoke(data, self._remove_bad_handlers) 
    50772 File
    50773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50774 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50775 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50776 File
    50777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50778 packages/chimerax/core/session.py", line 943, in <lambda> 
    50779 logger.report_exception(preface=preface)) 
    50780 File
    50781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50782 packages/chimerax/core/logger.py", line 421, in report_exception 
    50783 elif probably_chimera1_session(exc_info): 
    50784 File
    50785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50786 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50787 etype, evalue, etraceback = exc_info 
    50788 TypeError: cannot unpack non-iterable NoneType object 
    50789  
    50790 TypeError: cannot unpack non-iterable NoneType object 
    50791  
    50792 File
    50793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50794 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50795 etype, evalue, etraceback = exc_info 
    50796  
    50797 See log for complete Python traceback. 
    50798  
    50799 Traceback (most recent call last): 
    50800 File
    50801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50802 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50803 return self._func(self._name, data) 
    50804 File
    50805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50806 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50807 if v.display: 
    50808 File
    50809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50810 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50811 return self._any_displayed_positions and len(self._positions) > 0 
    50812 TypeError: object of type 'NoneType' has no len() 
    50813  
    50814 During handling of the above exception, another exception occurred: 
    50815  
    50816 Traceback (most recent call last): 
    50817 File
    50818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50819 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50820 if not self.draw_new_frame(): 
    50821 File
    50822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50823 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50824 changed = view.check_for_drawing_change() 
    50825 File
    50826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50827 packages/chimerax/core/graphics/view.py", line 252, in
    50828 check_for_drawing_change 
    50829 trig.activate_trigger('graphics update', self) 
    50830 File
    50831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50832 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50833 trigger.activate(data) 
    50834 File
    50835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50836 packages/chimerax/core/triggerset.py", line 190, in activate 
    50837 ret = handler.invoke(data, self._remove_bad_handlers) 
    50838 File
    50839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50840 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50841 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50842 File
    50843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50844 packages/chimerax/core/session.py", line 943, in <lambda> 
    50845 logger.report_exception(preface=preface)) 
    50846 File
    50847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50848 packages/chimerax/core/logger.py", line 421, in report_exception 
    50849 elif probably_chimera1_session(exc_info): 
    50850 File
    50851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50852 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50853 etype, evalue, etraceback = exc_info 
    50854 TypeError: cannot unpack non-iterable NoneType object 
    50855  
    50856 TypeError: cannot unpack non-iterable NoneType object 
    50857  
    50858 File
    50859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50860 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50861 etype, evalue, etraceback = exc_info 
    50862  
    50863 See log for complete Python traceback. 
    50864  
    50865 Traceback (most recent call last): 
    50866 File
    50867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50869 return self._func(self._name, data) 
    50870 File
    50871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50872 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50873 if v.display: 
    50874 File
    50875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50876 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50877 return self._any_displayed_positions and len(self._positions) > 0 
    50878 TypeError: object of type 'NoneType' has no len() 
    50879  
    50880 During handling of the above exception, another exception occurred: 
    50881  
    50882 Traceback (most recent call last): 
    50883 File
    50884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50885 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50886 if not self.draw_new_frame(): 
    50887 File
    50888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50889 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50890 changed = view.check_for_drawing_change() 
    50891 File
    50892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50893 packages/chimerax/core/graphics/view.py", line 252, in
    50894 check_for_drawing_change 
    50895 trig.activate_trigger('graphics update', self) 
    50896 File
    50897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50898 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50899 trigger.activate(data) 
    50900 File
    50901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50902 packages/chimerax/core/triggerset.py", line 190, in activate 
    50903 ret = handler.invoke(data, self._remove_bad_handlers) 
    50904 File
    50905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50906 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50907 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50908 File
    50909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50910 packages/chimerax/core/session.py", line 943, in <lambda> 
    50911 logger.report_exception(preface=preface)) 
    50912 File
    50913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50914 packages/chimerax/core/logger.py", line 421, in report_exception 
    50915 elif probably_chimera1_session(exc_info): 
    50916 File
    50917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50918 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50919 etype, evalue, etraceback = exc_info 
    50920 TypeError: cannot unpack non-iterable NoneType object 
    50921  
    50922 TypeError: cannot unpack non-iterable NoneType object 
    50923  
    50924 File
    50925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50926 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50927 etype, evalue, etraceback = exc_info 
    50928  
    50929 See log for complete Python traceback. 
    50930  
    50931 Traceback (most recent call last): 
    50932 File
    50933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50934 packages/chimerax/core/triggerset.py", line 130, in invoke 
    50935 return self._func(self._name, data) 
    50936 File
    50937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50938 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    50939 if v.display: 
    50940 File
    50941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50942 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    50943 return self._any_displayed_positions and len(self._positions) > 0 
    50944 TypeError: object of type 'NoneType' has no len() 
    50945  
    50946 During handling of the above exception, another exception occurred: 
    50947  
    50948 Traceback (most recent call last): 
    50949 File
    50950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50951 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    50952 if not self.draw_new_frame(): 
    50953 File
    50954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50955 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    50956 changed = view.check_for_drawing_change() 
    50957 File
    50958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50959 packages/chimerax/core/graphics/view.py", line 252, in
    50960 check_for_drawing_change 
    50961 trig.activate_trigger('graphics update', self) 
    50962 File
    50963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50964 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    50965 trigger.activate(data) 
    50966 File
    50967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50968 packages/chimerax/core/triggerset.py", line 190, in activate 
    50969 ret = handler.invoke(data, self._remove_bad_handlers) 
    50970 File
    50971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50972 packages/chimerax/core/triggerset.py", line 132, in invoke 
    50973 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    50974 File
    50975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50976 packages/chimerax/core/session.py", line 943, in <lambda> 
    50977 logger.report_exception(preface=preface)) 
    50978 File
    50979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50980 packages/chimerax/core/logger.py", line 421, in report_exception 
    50981 elif probably_chimera1_session(exc_info): 
    50982 File
    50983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50984 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50985 etype, evalue, etraceback = exc_info 
    50986 TypeError: cannot unpack non-iterable NoneType object 
    50987  
    50988 TypeError: cannot unpack non-iterable NoneType object 
    50989  
    50990 File
    50991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    50992 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    50993 etype, evalue, etraceback = exc_info 
    50994  
    50995 See log for complete Python traceback. 
    50996  
    50997 Traceback (most recent call last): 
    50998 File
    50999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51000 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51001 return self._func(self._name, data) 
    51002 File
    51003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51004 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51005 if v.display: 
    51006 File
    51007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51008 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51009 return self._any_displayed_positions and len(self._positions) > 0 
    51010 TypeError: object of type 'NoneType' has no len() 
    51011  
    51012 During handling of the above exception, another exception occurred: 
    51013  
    51014 Traceback (most recent call last): 
    51015 File
    51016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51017 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51018 if not self.draw_new_frame(): 
    51019 File
    51020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51021 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51022 changed = view.check_for_drawing_change() 
    51023 File
    51024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51025 packages/chimerax/core/graphics/view.py", line 252, in
    51026 check_for_drawing_change 
    51027 trig.activate_trigger('graphics update', self) 
    51028 File
    51029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51030 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51031 trigger.activate(data) 
    51032 File
    51033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51034 packages/chimerax/core/triggerset.py", line 190, in activate 
    51035 ret = handler.invoke(data, self._remove_bad_handlers) 
    51036 File
    51037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51038 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51039 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51040 File
    51041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51042 packages/chimerax/core/session.py", line 943, in <lambda> 
    51043 logger.report_exception(preface=preface)) 
    51044 File
    51045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51046 packages/chimerax/core/logger.py", line 421, in report_exception 
    51047 elif probably_chimera1_session(exc_info): 
    51048 File
    51049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51050 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51051 etype, evalue, etraceback = exc_info 
    51052 TypeError: cannot unpack non-iterable NoneType object 
    51053  
    51054 TypeError: cannot unpack non-iterable NoneType object 
    51055  
    51056 File
    51057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51058 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51059 etype, evalue, etraceback = exc_info 
    51060  
    51061 See log for complete Python traceback. 
    51062  
    51063 Traceback (most recent call last): 
    51064 File
    51065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51066 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51067 return self._func(self._name, data) 
    51068 File
    51069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51070 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51071 if v.display: 
    51072 File
    51073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51074 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51075 return self._any_displayed_positions and len(self._positions) > 0 
    51076 TypeError: object of type 'NoneType' has no len() 
    51077  
    51078 During handling of the above exception, another exception occurred: 
    51079  
    51080 Traceback (most recent call last): 
    51081 File
    51082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51083 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51084 if not self.draw_new_frame(): 
    51085 File
    51086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51087 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51088 changed = view.check_for_drawing_change() 
    51089 File
    51090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51091 packages/chimerax/core/graphics/view.py", line 252, in
    51092 check_for_drawing_change 
    51093 trig.activate_trigger('graphics update', self) 
    51094 File
    51095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51096 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51097 trigger.activate(data) 
    51098 File
    51099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51100 packages/chimerax/core/triggerset.py", line 190, in activate 
    51101 ret = handler.invoke(data, self._remove_bad_handlers) 
    51102 File
    51103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51104 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51105 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51106 File
    51107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51108 packages/chimerax/core/session.py", line 943, in <lambda> 
    51109 logger.report_exception(preface=preface)) 
    51110 File
    51111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51112 packages/chimerax/core/logger.py", line 421, in report_exception 
    51113 elif probably_chimera1_session(exc_info): 
    51114 File
    51115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51116 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51117 etype, evalue, etraceback = exc_info 
    51118 TypeError: cannot unpack non-iterable NoneType object 
    51119  
    51120 TypeError: cannot unpack non-iterable NoneType object 
    51121  
    51122 File
    51123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51124 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51125 etype, evalue, etraceback = exc_info 
    51126  
    51127 See log for complete Python traceback. 
    51128  
    51129 Traceback (most recent call last): 
    51130 File
    51131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51132 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51133 return self._func(self._name, data) 
    51134 File
    51135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51136 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51137 if v.display: 
    51138 File
    51139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51140 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51141 return self._any_displayed_positions and len(self._positions) > 0 
    51142 TypeError: object of type 'NoneType' has no len() 
    51143  
    51144 During handling of the above exception, another exception occurred: 
    51145  
    51146 Traceback (most recent call last): 
    51147 File
    51148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51149 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51150 if not self.draw_new_frame(): 
    51151 File
    51152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51153 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51154 changed = view.check_for_drawing_change() 
    51155 File
    51156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51157 packages/chimerax/core/graphics/view.py", line 252, in
    51158 check_for_drawing_change 
    51159 trig.activate_trigger('graphics update', self) 
    51160 File
    51161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51162 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51163 trigger.activate(data) 
    51164 File
    51165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51166 packages/chimerax/core/triggerset.py", line 190, in activate 
    51167 ret = handler.invoke(data, self._remove_bad_handlers) 
    51168 File
    51169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51170 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51171 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51172 File
    51173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51174 packages/chimerax/core/session.py", line 943, in <lambda> 
    51175 logger.report_exception(preface=preface)) 
    51176 File
    51177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51178 packages/chimerax/core/logger.py", line 421, in report_exception 
    51179 elif probably_chimera1_session(exc_info): 
    51180 File
    51181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51182 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51183 etype, evalue, etraceback = exc_info 
    51184 TypeError: cannot unpack non-iterable NoneType object 
    51185  
    51186 TypeError: cannot unpack non-iterable NoneType object 
    51187  
    51188 File
    51189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51190 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51191 etype, evalue, etraceback = exc_info 
    51192  
    51193 See log for complete Python traceback. 
    51194  
    51195 Traceback (most recent call last): 
    51196 File
    51197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51198 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51199 return self._func(self._name, data) 
    51200 File
    51201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51202 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51203 if v.display: 
    51204 File
    51205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51206 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51207 return self._any_displayed_positions and len(self._positions) > 0 
    51208 TypeError: object of type 'NoneType' has no len() 
    51209  
    51210 During handling of the above exception, another exception occurred: 
    51211  
    51212 Traceback (most recent call last): 
    51213 File
    51214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51215 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51216 if not self.draw_new_frame(): 
    51217 File
    51218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51219 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51220 changed = view.check_for_drawing_change() 
    51221 File
    51222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51223 packages/chimerax/core/graphics/view.py", line 252, in
    51224 check_for_drawing_change 
    51225 trig.activate_trigger('graphics update', self) 
    51226 File
    51227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51228 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51229 trigger.activate(data) 
    51230 File
    51231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51232 packages/chimerax/core/triggerset.py", line 190, in activate 
    51233 ret = handler.invoke(data, self._remove_bad_handlers) 
    51234 File
    51235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51236 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51237 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51238 File
    51239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51240 packages/chimerax/core/session.py", line 943, in <lambda> 
    51241 logger.report_exception(preface=preface)) 
    51242 File
    51243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51244 packages/chimerax/core/logger.py", line 421, in report_exception 
    51245 elif probably_chimera1_session(exc_info): 
    51246 File
    51247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51248 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51249 etype, evalue, etraceback = exc_info 
    51250 TypeError: cannot unpack non-iterable NoneType object 
    51251  
    51252 TypeError: cannot unpack non-iterable NoneType object 
    51253  
    51254 File
    51255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51256 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51257 etype, evalue, etraceback = exc_info 
    51258  
    51259 See log for complete Python traceback. 
    51260  
    51261 Traceback (most recent call last): 
    51262 File
    51263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51264 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51265 return self._func(self._name, data) 
    51266 File
    51267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51268 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51269 if v.display: 
    51270 File
    51271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51272 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51273 return self._any_displayed_positions and len(self._positions) > 0 
    51274 TypeError: object of type 'NoneType' has no len() 
    51275  
    51276 During handling of the above exception, another exception occurred: 
    51277  
    51278 Traceback (most recent call last): 
    51279 File
    51280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51281 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51282 if not self.draw_new_frame(): 
    51283 File
    51284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51285 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51286 changed = view.check_for_drawing_change() 
    51287 File
    51288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51289 packages/chimerax/core/graphics/view.py", line 252, in
    51290 check_for_drawing_change 
    51291 trig.activate_trigger('graphics update', self) 
    51292 File
    51293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51294 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51295 trigger.activate(data) 
    51296 File
    51297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51298 packages/chimerax/core/triggerset.py", line 190, in activate 
    51299 ret = handler.invoke(data, self._remove_bad_handlers) 
    51300 File
    51301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51302 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51303 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51304 File
    51305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51306 packages/chimerax/core/session.py", line 943, in <lambda> 
    51307 logger.report_exception(preface=preface)) 
    51308 File
    51309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51310 packages/chimerax/core/logger.py", line 421, in report_exception 
    51311 elif probably_chimera1_session(exc_info): 
    51312 File
    51313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51314 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51315 etype, evalue, etraceback = exc_info 
    51316 TypeError: cannot unpack non-iterable NoneType object 
    51317  
    51318 TypeError: cannot unpack non-iterable NoneType object 
    51319  
    51320 File
    51321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51322 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51323 etype, evalue, etraceback = exc_info 
    51324  
    51325 See log for complete Python traceback. 
    51326  
    51327 Traceback (most recent call last): 
    51328 File
    51329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51330 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51331 return self._func(self._name, data) 
    51332 File
    51333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51334 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51335 if v.display: 
    51336 File
    51337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51338 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51339 return self._any_displayed_positions and len(self._positions) > 0 
    51340 TypeError: object of type 'NoneType' has no len() 
    51341  
    51342 During handling of the above exception, another exception occurred: 
    51343  
    51344 Traceback (most recent call last): 
    51345 File
    51346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51347 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51348 if not self.draw_new_frame(): 
    51349 File
    51350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51351 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51352 changed = view.check_for_drawing_change() 
    51353 File
    51354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51355 packages/chimerax/core/graphics/view.py", line 252, in
    51356 check_for_drawing_change 
    51357 trig.activate_trigger('graphics update', self) 
    51358 File
    51359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51360 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51361 trigger.activate(data) 
    51362 File
    51363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51364 packages/chimerax/core/triggerset.py", line 190, in activate 
    51365 ret = handler.invoke(data, self._remove_bad_handlers) 
    51366 File
    51367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51368 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51369 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51370 File
    51371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51372 packages/chimerax/core/session.py", line 943, in <lambda> 
    51373 logger.report_exception(preface=preface)) 
    51374 File
    51375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51376 packages/chimerax/core/logger.py", line 421, in report_exception 
    51377 elif probably_chimera1_session(exc_info): 
    51378 File
    51379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51380 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51381 etype, evalue, etraceback = exc_info 
    51382 TypeError: cannot unpack non-iterable NoneType object 
    51383  
    51384 TypeError: cannot unpack non-iterable NoneType object 
    51385  
    51386 File
    51387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51388 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51389 etype, evalue, etraceback = exc_info 
    51390  
    51391 See log for complete Python traceback. 
    51392  
    51393 Traceback (most recent call last): 
    51394 File
    51395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51396 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51397 return self._func(self._name, data) 
    51398 File
    51399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51400 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51401 if v.display: 
    51402 File
    51403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51404 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51405 return self._any_displayed_positions and len(self._positions) > 0 
    51406 TypeError: object of type 'NoneType' has no len() 
    51407  
    51408 During handling of the above exception, another exception occurred: 
    51409  
    51410 Traceback (most recent call last): 
    51411 File
    51412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51413 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51414 if not self.draw_new_frame(): 
    51415 File
    51416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51417 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51418 changed = view.check_for_drawing_change() 
    51419 File
    51420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51421 packages/chimerax/core/graphics/view.py", line 252, in
    51422 check_for_drawing_change 
    51423 trig.activate_trigger('graphics update', self) 
    51424 File
    51425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51426 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51427 trigger.activate(data) 
    51428 File
    51429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51430 packages/chimerax/core/triggerset.py", line 190, in activate 
    51431 ret = handler.invoke(data, self._remove_bad_handlers) 
    51432 File
    51433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51434 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51435 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51436 File
    51437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51438 packages/chimerax/core/session.py", line 943, in <lambda> 
    51439 logger.report_exception(preface=preface)) 
    51440 File
    51441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51442 packages/chimerax/core/logger.py", line 421, in report_exception 
    51443 elif probably_chimera1_session(exc_info): 
    51444 File
    51445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51446 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51447 etype, evalue, etraceback = exc_info 
    51448 TypeError: cannot unpack non-iterable NoneType object 
    51449  
    51450 TypeError: cannot unpack non-iterable NoneType object 
    51451  
    51452 File
    51453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51454 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51455 etype, evalue, etraceback = exc_info 
    51456  
    51457 See log for complete Python traceback. 
    51458  
    51459 Traceback (most recent call last): 
    51460 File
    51461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51462 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51463 return self._func(self._name, data) 
    51464 File
    51465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51466 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51467 if v.display: 
    51468 File
    51469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51470 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51471 return self._any_displayed_positions and len(self._positions) > 0 
    51472 TypeError: object of type 'NoneType' has no len() 
    51473  
    51474 During handling of the above exception, another exception occurred: 
    51475  
    51476 Traceback (most recent call last): 
    51477 File
    51478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51479 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51480 if not self.draw_new_frame(): 
    51481 File
    51482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51483 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51484 changed = view.check_for_drawing_change() 
    51485 File
    51486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51487 packages/chimerax/core/graphics/view.py", line 252, in
    51488 check_for_drawing_change 
    51489 trig.activate_trigger('graphics update', self) 
    51490 File
    51491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51492 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51493 trigger.activate(data) 
    51494 File
    51495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51496 packages/chimerax/core/triggerset.py", line 190, in activate 
    51497 ret = handler.invoke(data, self._remove_bad_handlers) 
    51498 File
    51499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51500 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51501 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51502 File
    51503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51504 packages/chimerax/core/session.py", line 943, in <lambda> 
    51505 logger.report_exception(preface=preface)) 
    51506 File
    51507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51508 packages/chimerax/core/logger.py", line 421, in report_exception 
    51509 elif probably_chimera1_session(exc_info): 
    51510 File
    51511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51512 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51513 etype, evalue, etraceback = exc_info 
    51514 TypeError: cannot unpack non-iterable NoneType object 
    51515  
    51516 TypeError: cannot unpack non-iterable NoneType object 
    51517  
    51518 File
    51519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51520 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51521 etype, evalue, etraceback = exc_info 
    51522  
    51523 See log for complete Python traceback. 
    51524  
    51525 Traceback (most recent call last): 
    51526 File
    51527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51528 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51529 return self._func(self._name, data) 
    51530 File
    51531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51532 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51533 if v.display: 
    51534 File
    51535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51536 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51537 return self._any_displayed_positions and len(self._positions) > 0 
    51538 TypeError: object of type 'NoneType' has no len() 
    51539  
    51540 During handling of the above exception, another exception occurred: 
    51541  
    51542 Traceback (most recent call last): 
    51543 File
    51544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51545 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51546 if not self.draw_new_frame(): 
    51547 File
    51548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51549 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51550 changed = view.check_for_drawing_change() 
    51551 File
    51552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51553 packages/chimerax/core/graphics/view.py", line 252, in
    51554 check_for_drawing_change 
    51555 trig.activate_trigger('graphics update', self) 
    51556 File
    51557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51558 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51559 trigger.activate(data) 
    51560 File
    51561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51562 packages/chimerax/core/triggerset.py", line 190, in activate 
    51563 ret = handler.invoke(data, self._remove_bad_handlers) 
    51564 File
    51565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51566 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51567 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51568 File
    51569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51570 packages/chimerax/core/session.py", line 943, in <lambda> 
    51571 logger.report_exception(preface=preface)) 
    51572 File
    51573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51574 packages/chimerax/core/logger.py", line 421, in report_exception 
    51575 elif probably_chimera1_session(exc_info): 
    51576 File
    51577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51578 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51579 etype, evalue, etraceback = exc_info 
    51580 TypeError: cannot unpack non-iterable NoneType object 
    51581  
    51582 TypeError: cannot unpack non-iterable NoneType object 
    51583  
    51584 File
    51585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51586 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51587 etype, evalue, etraceback = exc_info 
    51588  
    51589 See log for complete Python traceback. 
    51590  
    51591 Traceback (most recent call last): 
    51592 File
    51593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51594 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51595 return self._func(self._name, data) 
    51596 File
    51597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51598 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51599 if v.display: 
    51600 File
    51601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51602 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51603 return self._any_displayed_positions and len(self._positions) > 0 
    51604 TypeError: object of type 'NoneType' has no len() 
    51605  
    51606 During handling of the above exception, another exception occurred: 
    51607  
    51608 Traceback (most recent call last): 
    51609 File
    51610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51611 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51612 if not self.draw_new_frame(): 
    51613 File
    51614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51615 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51616 changed = view.check_for_drawing_change() 
    51617 File
    51618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51619 packages/chimerax/core/graphics/view.py", line 252, in
    51620 check_for_drawing_change 
    51621 trig.activate_trigger('graphics update', self) 
    51622 File
    51623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51624 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51625 trigger.activate(data) 
    51626 File
    51627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51628 packages/chimerax/core/triggerset.py", line 190, in activate 
    51629 ret = handler.invoke(data, self._remove_bad_handlers) 
    51630 File
    51631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51632 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51633 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51634 File
    51635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51636 packages/chimerax/core/session.py", line 943, in <lambda> 
    51637 logger.report_exception(preface=preface)) 
    51638 File
    51639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51640 packages/chimerax/core/logger.py", line 421, in report_exception 
    51641 elif probably_chimera1_session(exc_info): 
    51642 File
    51643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51644 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51645 etype, evalue, etraceback = exc_info 
    51646 TypeError: cannot unpack non-iterable NoneType object 
    51647  
    51648 TypeError: cannot unpack non-iterable NoneType object 
    51649  
    51650 File
    51651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51652 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51653 etype, evalue, etraceback = exc_info 
    51654  
    51655 See log for complete Python traceback. 
    51656  
    51657 Traceback (most recent call last): 
    51658 File
    51659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51660 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51661 return self._func(self._name, data) 
    51662 File
    51663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51664 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51665 if v.display: 
    51666 File
    51667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51668 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51669 return self._any_displayed_positions and len(self._positions) > 0 
    51670 TypeError: object of type 'NoneType' has no len() 
    51671  
    51672 During handling of the above exception, another exception occurred: 
    51673  
    51674 Traceback (most recent call last): 
    51675 File
    51676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51677 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51678 if not self.draw_new_frame(): 
    51679 File
    51680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51681 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51682 changed = view.check_for_drawing_change() 
    51683 File
    51684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51685 packages/chimerax/core/graphics/view.py", line 252, in
    51686 check_for_drawing_change 
    51687 trig.activate_trigger('graphics update', self) 
    51688 File
    51689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51690 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51691 trigger.activate(data) 
    51692 File
    51693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51694 packages/chimerax/core/triggerset.py", line 190, in activate 
    51695 ret = handler.invoke(data, self._remove_bad_handlers) 
    51696 File
    51697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51698 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51699 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51700 File
    51701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51702 packages/chimerax/core/session.py", line 943, in <lambda> 
    51703 logger.report_exception(preface=preface)) 
    51704 File
    51705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51706 packages/chimerax/core/logger.py", line 421, in report_exception 
    51707 elif probably_chimera1_session(exc_info): 
    51708 File
    51709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51710 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51711 etype, evalue, etraceback = exc_info 
    51712 TypeError: cannot unpack non-iterable NoneType object 
    51713  
    51714 TypeError: cannot unpack non-iterable NoneType object 
    51715  
    51716 File
    51717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51718 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51719 etype, evalue, etraceback = exc_info 
    51720  
    51721 See log for complete Python traceback. 
    51722  
    51723 Traceback (most recent call last): 
    51724 File
    51725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51726 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51727 return self._func(self._name, data) 
    51728 File
    51729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51730 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51731 if v.display: 
    51732 File
    51733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51734 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51735 return self._any_displayed_positions and len(self._positions) > 0 
    51736 TypeError: object of type 'NoneType' has no len() 
    51737  
    51738 During handling of the above exception, another exception occurred: 
    51739  
    51740 Traceback (most recent call last): 
    51741 File
    51742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51743 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51744 if not self.draw_new_frame(): 
    51745 File
    51746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51747 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51748 changed = view.check_for_drawing_change() 
    51749 File
    51750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51751 packages/chimerax/core/graphics/view.py", line 252, in
    51752 check_for_drawing_change 
    51753 trig.activate_trigger('graphics update', self) 
    51754 File
    51755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51756 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51757 trigger.activate(data) 
    51758 File
    51759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51760 packages/chimerax/core/triggerset.py", line 190, in activate 
    51761 ret = handler.invoke(data, self._remove_bad_handlers) 
    51762 File
    51763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51764 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51765 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51766 File
    51767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51768 packages/chimerax/core/session.py", line 943, in <lambda> 
    51769 logger.report_exception(preface=preface)) 
    51770 File
    51771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51772 packages/chimerax/core/logger.py", line 421, in report_exception 
    51773 elif probably_chimera1_session(exc_info): 
    51774 File
    51775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51776 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51777 etype, evalue, etraceback = exc_info 
    51778 TypeError: cannot unpack non-iterable NoneType object 
    51779  
    51780 TypeError: cannot unpack non-iterable NoneType object 
    51781  
    51782 File
    51783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51784 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51785 etype, evalue, etraceback = exc_info 
    51786  
    51787 See log for complete Python traceback. 
    51788  
    51789 Traceback (most recent call last): 
    51790 File
    51791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51792 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51793 return self._func(self._name, data) 
    51794 File
    51795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51796 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51797 if v.display: 
    51798 File
    51799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51800 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51801 return self._any_displayed_positions and len(self._positions) > 0 
    51802 TypeError: object of type 'NoneType' has no len() 
    51803  
    51804 During handling of the above exception, another exception occurred: 
    51805  
    51806 Traceback (most recent call last): 
    51807 File
    51808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51809 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51810 if not self.draw_new_frame(): 
    51811 File
    51812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51813 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51814 changed = view.check_for_drawing_change() 
    51815 File
    51816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51817 packages/chimerax/core/graphics/view.py", line 252, in
    51818 check_for_drawing_change 
    51819 trig.activate_trigger('graphics update', self) 
    51820 File
    51821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51822 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51823 trigger.activate(data) 
    51824 File
    51825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51826 packages/chimerax/core/triggerset.py", line 190, in activate 
    51827 ret = handler.invoke(data, self._remove_bad_handlers) 
    51828 File
    51829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51830 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51831 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51832 File
    51833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51834 packages/chimerax/core/session.py", line 943, in <lambda> 
    51835 logger.report_exception(preface=preface)) 
    51836 File
    51837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51838 packages/chimerax/core/logger.py", line 421, in report_exception 
    51839 elif probably_chimera1_session(exc_info): 
    51840 File
    51841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51842 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51843 etype, evalue, etraceback = exc_info 
    51844 TypeError: cannot unpack non-iterable NoneType object 
    51845  
    51846 TypeError: cannot unpack non-iterable NoneType object 
    51847  
    51848 File
    51849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51850 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51851 etype, evalue, etraceback = exc_info 
    51852  
    51853 See log for complete Python traceback. 
    51854  
    51855 Traceback (most recent call last): 
    51856 File
    51857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51858 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51859 return self._func(self._name, data) 
    51860 File
    51861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51862 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51863 if v.display: 
    51864 File
    51865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51866 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51867 return self._any_displayed_positions and len(self._positions) > 0 
    51868 TypeError: object of type 'NoneType' has no len() 
    51869  
    51870 During handling of the above exception, another exception occurred: 
    51871  
    51872 Traceback (most recent call last): 
    51873 File
    51874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51875 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51876 if not self.draw_new_frame(): 
    51877 File
    51878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51879 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51880 changed = view.check_for_drawing_change() 
    51881 File
    51882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51883 packages/chimerax/core/graphics/view.py", line 252, in
    51884 check_for_drawing_change 
    51885 trig.activate_trigger('graphics update', self) 
    51886 File
    51887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51888 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51889 trigger.activate(data) 
    51890 File
    51891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51892 packages/chimerax/core/triggerset.py", line 190, in activate 
    51893 ret = handler.invoke(data, self._remove_bad_handlers) 
    51894 File
    51895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51896 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51897 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51898 File
    51899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51900 packages/chimerax/core/session.py", line 943, in <lambda> 
    51901 logger.report_exception(preface=preface)) 
    51902 File
    51903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51904 packages/chimerax/core/logger.py", line 421, in report_exception 
    51905 elif probably_chimera1_session(exc_info): 
    51906 File
    51907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51908 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51909 etype, evalue, etraceback = exc_info 
    51910 TypeError: cannot unpack non-iterable NoneType object 
    51911  
    51912 TypeError: cannot unpack non-iterable NoneType object 
    51913  
    51914 File
    51915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51916 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51917 etype, evalue, etraceback = exc_info 
    51918  
    51919 See log for complete Python traceback. 
    51920  
    51921 Traceback (most recent call last): 
    51922 File
    51923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51924 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51925 return self._func(self._name, data) 
    51926 File
    51927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51928 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51929 if v.display: 
    51930 File
    51931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51932 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51933 return self._any_displayed_positions and len(self._positions) > 0 
    51934 TypeError: object of type 'NoneType' has no len() 
    51935  
    51936 During handling of the above exception, another exception occurred: 
    51937  
    51938 Traceback (most recent call last): 
    51939 File
    51940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51941 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    51942 if not self.draw_new_frame(): 
    51943 File
    51944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51945 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    51946 changed = view.check_for_drawing_change() 
    51947 File
    51948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51949 packages/chimerax/core/graphics/view.py", line 252, in
    51950 check_for_drawing_change 
    51951 trig.activate_trigger('graphics update', self) 
    51952 File
    51953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51954 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    51955 trigger.activate(data) 
    51956 File
    51957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51958 packages/chimerax/core/triggerset.py", line 190, in activate 
    51959 ret = handler.invoke(data, self._remove_bad_handlers) 
    51960 File
    51961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51962 packages/chimerax/core/triggerset.py", line 132, in invoke 
    51963 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    51964 File
    51965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51966 packages/chimerax/core/session.py", line 943, in <lambda> 
    51967 logger.report_exception(preface=preface)) 
    51968 File
    51969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51970 packages/chimerax/core/logger.py", line 421, in report_exception 
    51971 elif probably_chimera1_session(exc_info): 
    51972 File
    51973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51974 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51975 etype, evalue, etraceback = exc_info 
    51976 TypeError: cannot unpack non-iterable NoneType object 
    51977  
    51978 TypeError: cannot unpack non-iterable NoneType object 
    51979  
    51980 File
    51981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51982 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    51983 etype, evalue, etraceback = exc_info 
    51984  
    51985 See log for complete Python traceback. 
    51986  
    51987 Traceback (most recent call last): 
    51988 File
    51989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51990 packages/chimerax/core/triggerset.py", line 130, in invoke 
    51991 return self._func(self._name, data) 
    51992 File
    51993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51994 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    51995 if v.display: 
    51996 File
    51997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    51998 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    51999 return self._any_displayed_positions and len(self._positions) > 0 
    52000 TypeError: object of type 'NoneType' has no len() 
    52001  
    52002 During handling of the above exception, another exception occurred: 
    52003  
    52004 Traceback (most recent call last): 
    52005 File
    52006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52007 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52008 if not self.draw_new_frame(): 
    52009 File
    52010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52011 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52012 changed = view.check_for_drawing_change() 
    52013 File
    52014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52015 packages/chimerax/core/graphics/view.py", line 252, in
    52016 check_for_drawing_change 
    52017 trig.activate_trigger('graphics update', self) 
    52018 File
    52019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52020 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52021 trigger.activate(data) 
    52022 File
    52023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52024 packages/chimerax/core/triggerset.py", line 190, in activate 
    52025 ret = handler.invoke(data, self._remove_bad_handlers) 
    52026 File
    52027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52028 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52029 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52030 File
    52031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52032 packages/chimerax/core/session.py", line 943, in <lambda> 
    52033 logger.report_exception(preface=preface)) 
    52034 File
    52035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52036 packages/chimerax/core/logger.py", line 421, in report_exception 
    52037 elif probably_chimera1_session(exc_info): 
    52038 File
    52039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52040 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52041 etype, evalue, etraceback = exc_info 
    52042 TypeError: cannot unpack non-iterable NoneType object 
    52043  
    52044 TypeError: cannot unpack non-iterable NoneType object 
    52045  
    52046 File
    52047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52048 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52049 etype, evalue, etraceback = exc_info 
    52050  
    52051 See log for complete Python traceback. 
    52052  
    52053 Traceback (most recent call last): 
    52054 File
    52055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52056 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52057 return self._func(self._name, data) 
    52058 File
    52059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52060 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52061 if v.display: 
    52062 File
    52063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52064 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52065 return self._any_displayed_positions and len(self._positions) > 0 
    52066 TypeError: object of type 'NoneType' has no len() 
    52067  
    52068 During handling of the above exception, another exception occurred: 
    52069  
    52070 Traceback (most recent call last): 
    52071 File
    52072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52073 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52074 if not self.draw_new_frame(): 
    52075 File
    52076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52077 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52078 changed = view.check_for_drawing_change() 
    52079 File
    52080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52081 packages/chimerax/core/graphics/view.py", line 252, in
    52082 check_for_drawing_change 
    52083 trig.activate_trigger('graphics update', self) 
    52084 File
    52085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52086 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52087 trigger.activate(data) 
    52088 File
    52089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52090 packages/chimerax/core/triggerset.py", line 190, in activate 
    52091 ret = handler.invoke(data, self._remove_bad_handlers) 
    52092 File
    52093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52094 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52095 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52096 File
    52097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52098 packages/chimerax/core/session.py", line 943, in <lambda> 
    52099 logger.report_exception(preface=preface)) 
    52100 File
    52101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52102 packages/chimerax/core/logger.py", line 421, in report_exception 
    52103 elif probably_chimera1_session(exc_info): 
    52104 File
    52105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52106 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52107 etype, evalue, etraceback = exc_info 
    52108 TypeError: cannot unpack non-iterable NoneType object 
    52109  
    52110 TypeError: cannot unpack non-iterable NoneType object 
    52111  
    52112 File
    52113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52114 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52115 etype, evalue, etraceback = exc_info 
    52116  
    52117 See log for complete Python traceback. 
    52118  
    52119 Traceback (most recent call last): 
    52120 File
    52121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52122 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52123 return self._func(self._name, data) 
    52124 File
    52125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52126 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52127 if v.display: 
    52128 File
    52129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52130 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52131 return self._any_displayed_positions and len(self._positions) > 0 
    52132 TypeError: object of type 'NoneType' has no len() 
    52133  
    52134 During handling of the above exception, another exception occurred: 
    52135  
    52136 Traceback (most recent call last): 
    52137 File
    52138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52139 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52140 if not self.draw_new_frame(): 
    52141 File
    52142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52143 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52144 changed = view.check_for_drawing_change() 
    52145 File
    52146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52147 packages/chimerax/core/graphics/view.py", line 252, in
    52148 check_for_drawing_change 
    52149 trig.activate_trigger('graphics update', self) 
    52150 File
    52151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52152 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52153 trigger.activate(data) 
    52154 File
    52155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52156 packages/chimerax/core/triggerset.py", line 190, in activate 
    52157 ret = handler.invoke(data, self._remove_bad_handlers) 
    52158 File
    52159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52160 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52161 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52162 File
    52163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52164 packages/chimerax/core/session.py", line 943, in <lambda> 
    52165 logger.report_exception(preface=preface)) 
    52166 File
    52167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52168 packages/chimerax/core/logger.py", line 421, in report_exception 
    52169 elif probably_chimera1_session(exc_info): 
    52170 File
    52171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52172 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52173 etype, evalue, etraceback = exc_info 
    52174 TypeError: cannot unpack non-iterable NoneType object 
    52175  
    52176 TypeError: cannot unpack non-iterable NoneType object 
    52177  
    52178 File
    52179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52180 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52181 etype, evalue, etraceback = exc_info 
    52182  
    52183 See log for complete Python traceback. 
    52184  
    52185 Traceback (most recent call last): 
    52186 File
    52187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52188 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52189 return self._func(self._name, data) 
    52190 File
    52191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52192 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52193 if v.display: 
    52194 File
    52195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52196 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52197 return self._any_displayed_positions and len(self._positions) > 0 
    52198 TypeError: object of type 'NoneType' has no len() 
    52199  
    52200 During handling of the above exception, another exception occurred: 
    52201  
    52202 Traceback (most recent call last): 
    52203 File
    52204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52205 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52206 if not self.draw_new_frame(): 
    52207 File
    52208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52209 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52210 changed = view.check_for_drawing_change() 
    52211 File
    52212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52213 packages/chimerax/core/graphics/view.py", line 252, in
    52214 check_for_drawing_change 
    52215 trig.activate_trigger('graphics update', self) 
    52216 File
    52217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52218 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52219 trigger.activate(data) 
    52220 File
    52221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52222 packages/chimerax/core/triggerset.py", line 190, in activate 
    52223 ret = handler.invoke(data, self._remove_bad_handlers) 
    52224 File
    52225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52226 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52227 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52228 File
    52229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52230 packages/chimerax/core/session.py", line 943, in <lambda> 
    52231 logger.report_exception(preface=preface)) 
    52232 File
    52233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52234 packages/chimerax/core/logger.py", line 421, in report_exception 
    52235 elif probably_chimera1_session(exc_info): 
    52236 File
    52237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52238 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52239 etype, evalue, etraceback = exc_info 
    52240 TypeError: cannot unpack non-iterable NoneType object 
    52241  
    52242 TypeError: cannot unpack non-iterable NoneType object 
    52243  
    52244 File
    52245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52246 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52247 etype, evalue, etraceback = exc_info 
    52248  
    52249 See log for complete Python traceback. 
    52250  
    52251 Traceback (most recent call last): 
    52252 File
    52253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52254 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52255 return self._func(self._name, data) 
    52256 File
    52257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52258 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52259 if v.display: 
    52260 File
    52261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52262 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52263 return self._any_displayed_positions and len(self._positions) > 0 
    52264 TypeError: object of type 'NoneType' has no len() 
    52265  
    52266 During handling of the above exception, another exception occurred: 
    52267  
    52268 Traceback (most recent call last): 
    52269 File
    52270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52271 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52272 if not self.draw_new_frame(): 
    52273 File
    52274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52275 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52276 changed = view.check_for_drawing_change() 
    52277 File
    52278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52279 packages/chimerax/core/graphics/view.py", line 252, in
    52280 check_for_drawing_change 
    52281 trig.activate_trigger('graphics update', self) 
    52282 File
    52283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52284 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52285 trigger.activate(data) 
    52286 File
    52287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52288 packages/chimerax/core/triggerset.py", line 190, in activate 
    52289 ret = handler.invoke(data, self._remove_bad_handlers) 
    52290 File
    52291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52292 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52293 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52294 File
    52295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52296 packages/chimerax/core/session.py", line 943, in <lambda> 
    52297 logger.report_exception(preface=preface)) 
    52298 File
    52299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52300 packages/chimerax/core/logger.py", line 421, in report_exception 
    52301 elif probably_chimera1_session(exc_info): 
    52302 File
    52303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52304 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52305 etype, evalue, etraceback = exc_info 
    52306 TypeError: cannot unpack non-iterable NoneType object 
    52307  
    52308 TypeError: cannot unpack non-iterable NoneType object 
    52309  
    52310 File
    52311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52312 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52313 etype, evalue, etraceback = exc_info 
    52314  
    52315 See log for complete Python traceback. 
    52316  
    52317 Traceback (most recent call last): 
    52318 File
    52319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52320 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52321 return self._func(self._name, data) 
    52322 File
    52323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52324 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52325 if v.display: 
    52326 File
    52327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52328 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52329 return self._any_displayed_positions and len(self._positions) > 0 
    52330 TypeError: object of type 'NoneType' has no len() 
    52331  
    52332 During handling of the above exception, another exception occurred: 
    52333  
    52334 Traceback (most recent call last): 
    52335 File
    52336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52337 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52338 if not self.draw_new_frame(): 
    52339 File
    52340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52341 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52342 changed = view.check_for_drawing_change() 
    52343 File
    52344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52345 packages/chimerax/core/graphics/view.py", line 252, in
    52346 check_for_drawing_change 
    52347 trig.activate_trigger('graphics update', self) 
    52348 File
    52349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52350 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52351 trigger.activate(data) 
    52352 File
    52353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52354 packages/chimerax/core/triggerset.py", line 190, in activate 
    52355 ret = handler.invoke(data, self._remove_bad_handlers) 
    52356 File
    52357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52358 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52359 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52360 File
    52361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52362 packages/chimerax/core/session.py", line 943, in <lambda> 
    52363 logger.report_exception(preface=preface)) 
    52364 File
    52365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52366 packages/chimerax/core/logger.py", line 421, in report_exception 
    52367 elif probably_chimera1_session(exc_info): 
    52368 File
    52369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52370 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52371 etype, evalue, etraceback = exc_info 
    52372 TypeError: cannot unpack non-iterable NoneType object 
    52373  
    52374 TypeError: cannot unpack non-iterable NoneType object 
    52375  
    52376 File
    52377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52378 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52379 etype, evalue, etraceback = exc_info 
    52380  
    52381 See log for complete Python traceback. 
    52382  
    52383 Traceback (most recent call last): 
    52384 File
    52385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52386 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52387 return self._func(self._name, data) 
    52388 File
    52389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52390 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52391 if v.display: 
    52392 File
    52393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52394 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52395 return self._any_displayed_positions and len(self._positions) > 0 
    52396 TypeError: object of type 'NoneType' has no len() 
    52397  
    52398 During handling of the above exception, another exception occurred: 
    52399  
    52400 Traceback (most recent call last): 
    52401 File
    52402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52403 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52404 if not self.draw_new_frame(): 
    52405 File
    52406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52407 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52408 changed = view.check_for_drawing_change() 
    52409 File
    52410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52411 packages/chimerax/core/graphics/view.py", line 252, in
    52412 check_for_drawing_change 
    52413 trig.activate_trigger('graphics update', self) 
    52414 File
    52415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52416 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52417 trigger.activate(data) 
    52418 File
    52419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52420 packages/chimerax/core/triggerset.py", line 190, in activate 
    52421 ret = handler.invoke(data, self._remove_bad_handlers) 
    52422 File
    52423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52424 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52425 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52426 File
    52427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52428 packages/chimerax/core/session.py", line 943, in <lambda> 
    52429 logger.report_exception(preface=preface)) 
    52430 File
    52431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52432 packages/chimerax/core/logger.py", line 421, in report_exception 
    52433 elif probably_chimera1_session(exc_info): 
    52434 File
    52435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52436 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52437 etype, evalue, etraceback = exc_info 
    52438 TypeError: cannot unpack non-iterable NoneType object 
    52439  
    52440 TypeError: cannot unpack non-iterable NoneType object 
    52441  
    52442 File
    52443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52444 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52445 etype, evalue, etraceback = exc_info 
    52446  
    52447 See log for complete Python traceback. 
    52448  
    52449 Traceback (most recent call last): 
    52450 File
    52451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52452 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52453 return self._func(self._name, data) 
    52454 File
    52455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52456 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52457 if v.display: 
    52458 File
    52459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52460 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52461 return self._any_displayed_positions and len(self._positions) > 0 
    52462 TypeError: object of type 'NoneType' has no len() 
    52463  
    52464 During handling of the above exception, another exception occurred: 
    52465  
    52466 Traceback (most recent call last): 
    52467 File
    52468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52469 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52470 if not self.draw_new_frame(): 
    52471 File
    52472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52473 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52474 changed = view.check_for_drawing_change() 
    52475 File
    52476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52477 packages/chimerax/core/graphics/view.py", line 252, in
    52478 check_for_drawing_change 
    52479 trig.activate_trigger('graphics update', self) 
    52480 File
    52481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52482 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52483 trigger.activate(data) 
    52484 File
    52485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52486 packages/chimerax/core/triggerset.py", line 190, in activate 
    52487 ret = handler.invoke(data, self._remove_bad_handlers) 
    52488 File
    52489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52490 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52491 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52492 File
    52493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52494 packages/chimerax/core/session.py", line 943, in <lambda> 
    52495 logger.report_exception(preface=preface)) 
    52496 File
    52497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52498 packages/chimerax/core/logger.py", line 421, in report_exception 
    52499 elif probably_chimera1_session(exc_info): 
    52500 File
    52501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52502 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52503 etype, evalue, etraceback = exc_info 
    52504 TypeError: cannot unpack non-iterable NoneType object 
    52505  
    52506 TypeError: cannot unpack non-iterable NoneType object 
    52507  
    52508 File
    52509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52510 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52511 etype, evalue, etraceback = exc_info 
    52512  
    52513 See log for complete Python traceback. 
    52514  
    52515 Traceback (most recent call last): 
    52516 File
    52517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52519 return self._func(self._name, data) 
    52520 File
    52521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52522 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52523 if v.display: 
    52524 File
    52525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52526 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52527 return self._any_displayed_positions and len(self._positions) > 0 
    52528 TypeError: object of type 'NoneType' has no len() 
    52529  
    52530 During handling of the above exception, another exception occurred: 
    52531  
    52532 Traceback (most recent call last): 
    52533 File
    52534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52535 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52536 if not self.draw_new_frame(): 
    52537 File
    52538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52539 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52540 changed = view.check_for_drawing_change() 
    52541 File
    52542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52543 packages/chimerax/core/graphics/view.py", line 252, in
    52544 check_for_drawing_change 
    52545 trig.activate_trigger('graphics update', self) 
    52546 File
    52547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52548 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52549 trigger.activate(data) 
    52550 File
    52551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52552 packages/chimerax/core/triggerset.py", line 190, in activate 
    52553 ret = handler.invoke(data, self._remove_bad_handlers) 
    52554 File
    52555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52556 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52557 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52558 File
    52559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52560 packages/chimerax/core/session.py", line 943, in <lambda> 
    52561 logger.report_exception(preface=preface)) 
    52562 File
    52563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52564 packages/chimerax/core/logger.py", line 421, in report_exception 
    52565 elif probably_chimera1_session(exc_info): 
    52566 File
    52567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52568 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52569 etype, evalue, etraceback = exc_info 
    52570 TypeError: cannot unpack non-iterable NoneType object 
    52571  
    52572 TypeError: cannot unpack non-iterable NoneType object 
    52573  
    52574 File
    52575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52576 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52577 etype, evalue, etraceback = exc_info 
    52578  
    52579 See log for complete Python traceback. 
    52580  
    52581 Traceback (most recent call last): 
    52582 File
    52583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52584 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52585 return self._func(self._name, data) 
    52586 File
    52587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52588 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52589 if v.display: 
    52590 File
    52591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52592 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52593 return self._any_displayed_positions and len(self._positions) > 0 
    52594 TypeError: object of type 'NoneType' has no len() 
    52595  
    52596 During handling of the above exception, another exception occurred: 
    52597  
    52598 Traceback (most recent call last): 
    52599 File
    52600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52601 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52602 if not self.draw_new_frame(): 
    52603 File
    52604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52605 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52606 changed = view.check_for_drawing_change() 
    52607 File
    52608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52609 packages/chimerax/core/graphics/view.py", line 252, in
    52610 check_for_drawing_change 
    52611 trig.activate_trigger('graphics update', self) 
    52612 File
    52613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52614 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52615 trigger.activate(data) 
    52616 File
    52617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52618 packages/chimerax/core/triggerset.py", line 190, in activate 
    52619 ret = handler.invoke(data, self._remove_bad_handlers) 
    52620 File
    52621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52622 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52623 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52624 File
    52625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52626 packages/chimerax/core/session.py", line 943, in <lambda> 
    52627 logger.report_exception(preface=preface)) 
    52628 File
    52629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52630 packages/chimerax/core/logger.py", line 421, in report_exception 
    52631 elif probably_chimera1_session(exc_info): 
    52632 File
    52633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52634 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52635 etype, evalue, etraceback = exc_info 
    52636 TypeError: cannot unpack non-iterable NoneType object 
    52637  
    52638 TypeError: cannot unpack non-iterable NoneType object 
    52639  
    52640 File
    52641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52642 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52643 etype, evalue, etraceback = exc_info 
    52644  
    52645 See log for complete Python traceback. 
    52646  
    52647 Traceback (most recent call last): 
    52648 File
    52649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52650 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52651 return self._func(self._name, data) 
    52652 File
    52653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52654 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52655 if v.display: 
    52656 File
    52657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52658 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52659 return self._any_displayed_positions and len(self._positions) > 0 
    52660 TypeError: object of type 'NoneType' has no len() 
    52661  
    52662 During handling of the above exception, another exception occurred: 
    52663  
    52664 Traceback (most recent call last): 
    52665 File
    52666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52667 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52668 if not self.draw_new_frame(): 
    52669 File
    52670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52671 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52672 changed = view.check_for_drawing_change() 
    52673 File
    52674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52675 packages/chimerax/core/graphics/view.py", line 252, in
    52676 check_for_drawing_change 
    52677 trig.activate_trigger('graphics update', self) 
    52678 File
    52679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52680 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52681 trigger.activate(data) 
    52682 File
    52683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52684 packages/chimerax/core/triggerset.py", line 190, in activate 
    52685 ret = handler.invoke(data, self._remove_bad_handlers) 
    52686 File
    52687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52688 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52689 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52690 File
    52691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52692 packages/chimerax/core/session.py", line 943, in <lambda> 
    52693 logger.report_exception(preface=preface)) 
    52694 File
    52695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52696 packages/chimerax/core/logger.py", line 421, in report_exception 
    52697 elif probably_chimera1_session(exc_info): 
    52698 File
    52699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52700 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52701 etype, evalue, etraceback = exc_info 
    52702 TypeError: cannot unpack non-iterable NoneType object 
    52703  
    52704 TypeError: cannot unpack non-iterable NoneType object 
    52705  
    52706 File
    52707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52708 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52709 etype, evalue, etraceback = exc_info 
    52710  
    52711 See log for complete Python traceback. 
    52712  
    52713 Traceback (most recent call last): 
    52714 File
    52715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52716 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52717 return self._func(self._name, data) 
    52718 File
    52719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52720 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52721 if v.display: 
    52722 File
    52723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52724 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52725 return self._any_displayed_positions and len(self._positions) > 0 
    52726 TypeError: object of type 'NoneType' has no len() 
    52727  
    52728 During handling of the above exception, another exception occurred: 
    52729  
    52730 Traceback (most recent call last): 
    52731 File
    52732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52733 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52734 if not self.draw_new_frame(): 
    52735 File
    52736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52737 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52738 changed = view.check_for_drawing_change() 
    52739 File
    52740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52741 packages/chimerax/core/graphics/view.py", line 252, in
    52742 check_for_drawing_change 
    52743 trig.activate_trigger('graphics update', self) 
    52744 File
    52745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52746 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52747 trigger.activate(data) 
    52748 File
    52749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52750 packages/chimerax/core/triggerset.py", line 190, in activate 
    52751 ret = handler.invoke(data, self._remove_bad_handlers) 
    52752 File
    52753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52754 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52755 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52756 File
    52757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52758 packages/chimerax/core/session.py", line 943, in <lambda> 
    52759 logger.report_exception(preface=preface)) 
    52760 File
    52761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52762 packages/chimerax/core/logger.py", line 421, in report_exception 
    52763 elif probably_chimera1_session(exc_info): 
    52764 File
    52765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52766 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52767 etype, evalue, etraceback = exc_info 
    52768 TypeError: cannot unpack non-iterable NoneType object 
    52769  
    52770 TypeError: cannot unpack non-iterable NoneType object 
    52771  
    52772 File
    52773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52774 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52775 etype, evalue, etraceback = exc_info 
    52776  
    52777 See log for complete Python traceback. 
    52778  
    52779 Traceback (most recent call last): 
    52780 File
    52781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52782 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52783 return self._func(self._name, data) 
    52784 File
    52785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52786 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52787 if v.display: 
    52788 File
    52789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52790 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52791 return self._any_displayed_positions and len(self._positions) > 0 
    52792 TypeError: object of type 'NoneType' has no len() 
    52793  
    52794 During handling of the above exception, another exception occurred: 
    52795  
    52796 Traceback (most recent call last): 
    52797 File
    52798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52799 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52800 if not self.draw_new_frame(): 
    52801 File
    52802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52803 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52804 changed = view.check_for_drawing_change() 
    52805 File
    52806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52807 packages/chimerax/core/graphics/view.py", line 252, in
    52808 check_for_drawing_change 
    52809 trig.activate_trigger('graphics update', self) 
    52810 File
    52811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52812 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52813 trigger.activate(data) 
    52814 File
    52815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52816 packages/chimerax/core/triggerset.py", line 190, in activate 
    52817 ret = handler.invoke(data, self._remove_bad_handlers) 
    52818 File
    52819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52820 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52821 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52822 File
    52823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52824 packages/chimerax/core/session.py", line 943, in <lambda> 
    52825 logger.report_exception(preface=preface)) 
    52826 File
    52827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52828 packages/chimerax/core/logger.py", line 421, in report_exception 
    52829 elif probably_chimera1_session(exc_info): 
    52830 File
    52831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52832 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52833 etype, evalue, etraceback = exc_info 
    52834 TypeError: cannot unpack non-iterable NoneType object 
    52835  
    52836 TypeError: cannot unpack non-iterable NoneType object 
    52837  
    52838 File
    52839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52840 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52841 etype, evalue, etraceback = exc_info 
    52842  
    52843 See log for complete Python traceback. 
    52844  
    52845 Traceback (most recent call last): 
    52846 File
    52847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52848 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52849 return self._func(self._name, data) 
    52850 File
    52851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52852 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52853 if v.display: 
    52854 File
    52855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52856 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52857 return self._any_displayed_positions and len(self._positions) > 0 
    52858 TypeError: object of type 'NoneType' has no len() 
    52859  
    52860 During handling of the above exception, another exception occurred: 
    52861  
    52862 Traceback (most recent call last): 
    52863 File
    52864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52865 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52866 if not self.draw_new_frame(): 
    52867 File
    52868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52869 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52870 changed = view.check_for_drawing_change() 
    52871 File
    52872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52873 packages/chimerax/core/graphics/view.py", line 252, in
    52874 check_for_drawing_change 
    52875 trig.activate_trigger('graphics update', self) 
    52876 File
    52877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52878 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52879 trigger.activate(data) 
    52880 File
    52881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52882 packages/chimerax/core/triggerset.py", line 190, in activate 
    52883 ret = handler.invoke(data, self._remove_bad_handlers) 
    52884 File
    52885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52886 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52887 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52888 File
    52889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52890 packages/chimerax/core/session.py", line 943, in <lambda> 
    52891 logger.report_exception(preface=preface)) 
    52892 File
    52893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52894 packages/chimerax/core/logger.py", line 421, in report_exception 
    52895 elif probably_chimera1_session(exc_info): 
    52896 File
    52897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52898 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52899 etype, evalue, etraceback = exc_info 
    52900 TypeError: cannot unpack non-iterable NoneType object 
    52901  
    52902 TypeError: cannot unpack non-iterable NoneType object 
    52903  
    52904 File
    52905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52906 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52907 etype, evalue, etraceback = exc_info 
    52908  
    52909 See log for complete Python traceback. 
    52910  
    52911 Traceback (most recent call last): 
    52912 File
    52913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52914 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52915 return self._func(self._name, data) 
    52916 File
    52917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52918 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52919 if v.display: 
    52920 File
    52921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52922 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52923 return self._any_displayed_positions and len(self._positions) > 0 
    52924 TypeError: object of type 'NoneType' has no len() 
    52925  
    52926 During handling of the above exception, another exception occurred: 
    52927  
    52928 Traceback (most recent call last): 
    52929 File
    52930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52931 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52932 if not self.draw_new_frame(): 
    52933 File
    52934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52935 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    52936 changed = view.check_for_drawing_change() 
    52937 File
    52938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52939 packages/chimerax/core/graphics/view.py", line 252, in
    52940 check_for_drawing_change 
    52941 trig.activate_trigger('graphics update', self) 
    52942 File
    52943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52944 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    52945 trigger.activate(data) 
    52946 File
    52947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52948 packages/chimerax/core/triggerset.py", line 190, in activate 
    52949 ret = handler.invoke(data, self._remove_bad_handlers) 
    52950 File
    52951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52952 packages/chimerax/core/triggerset.py", line 132, in invoke 
    52953 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    52954 File
    52955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52956 packages/chimerax/core/session.py", line 943, in <lambda> 
    52957 logger.report_exception(preface=preface)) 
    52958 File
    52959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52960 packages/chimerax/core/logger.py", line 421, in report_exception 
    52961 elif probably_chimera1_session(exc_info): 
    52962 File
    52963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52964 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52965 etype, evalue, etraceback = exc_info 
    52966 TypeError: cannot unpack non-iterable NoneType object 
    52967  
    52968 TypeError: cannot unpack non-iterable NoneType object 
    52969  
    52970 File
    52971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52972 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    52973 etype, evalue, etraceback = exc_info 
    52974  
    52975 See log for complete Python traceback. 
    52976  
    52977 Traceback (most recent call last): 
    52978 File
    52979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52980 packages/chimerax/core/triggerset.py", line 130, in invoke 
    52981 return self._func(self._name, data) 
    52982 File
    52983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52984 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    52985 if v.display: 
    52986 File
    52987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52988 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    52989 return self._any_displayed_positions and len(self._positions) > 0 
    52990 TypeError: object of type 'NoneType' has no len() 
    52991  
    52992 During handling of the above exception, another exception occurred: 
    52993  
    52994 Traceback (most recent call last): 
    52995 File
    52996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    52997 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    52998 if not self.draw_new_frame(): 
    52999 File
    53000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53001 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53002 changed = view.check_for_drawing_change() 
    53003 File
    53004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53005 packages/chimerax/core/graphics/view.py", line 252, in
    53006 check_for_drawing_change 
    53007 trig.activate_trigger('graphics update', self) 
    53008 File
    53009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53010 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53011 trigger.activate(data) 
    53012 File
    53013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53014 packages/chimerax/core/triggerset.py", line 190, in activate 
    53015 ret = handler.invoke(data, self._remove_bad_handlers) 
    53016 File
    53017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53018 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53019 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53020 File
    53021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53022 packages/chimerax/core/session.py", line 943, in <lambda> 
    53023 logger.report_exception(preface=preface)) 
    53024 File
    53025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53026 packages/chimerax/core/logger.py", line 421, in report_exception 
    53027 elif probably_chimera1_session(exc_info): 
    53028 File
    53029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53030 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53031 etype, evalue, etraceback = exc_info 
    53032 TypeError: cannot unpack non-iterable NoneType object 
    53033  
    53034 TypeError: cannot unpack non-iterable NoneType object 
    53035  
    53036 File
    53037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53038 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53039 etype, evalue, etraceback = exc_info 
    53040  
    53041 See log for complete Python traceback. 
    53042  
    53043 Traceback (most recent call last): 
    53044 File
    53045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53046 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53047 return self._func(self._name, data) 
    53048 File
    53049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53050 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53051 if v.display: 
    53052 File
    53053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53054 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53055 return self._any_displayed_positions and len(self._positions) > 0 
    53056 TypeError: object of type 'NoneType' has no len() 
    53057  
    53058 During handling of the above exception, another exception occurred: 
    53059  
    53060 Traceback (most recent call last): 
    53061 File
    53062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53063 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53064 if not self.draw_new_frame(): 
    53065 File
    53066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53067 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53068 changed = view.check_for_drawing_change() 
    53069 File
    53070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53071 packages/chimerax/core/graphics/view.py", line 252, in
    53072 check_for_drawing_change 
    53073 trig.activate_trigger('graphics update', self) 
    53074 File
    53075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53076 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53077 trigger.activate(data) 
    53078 File
    53079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53080 packages/chimerax/core/triggerset.py", line 190, in activate 
    53081 ret = handler.invoke(data, self._remove_bad_handlers) 
    53082 File
    53083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53084 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53085 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53086 File
    53087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53088 packages/chimerax/core/session.py", line 943, in <lambda> 
    53089 logger.report_exception(preface=preface)) 
    53090 File
    53091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53092 packages/chimerax/core/logger.py", line 421, in report_exception 
    53093 elif probably_chimera1_session(exc_info): 
    53094 File
    53095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53096 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53097 etype, evalue, etraceback = exc_info 
    53098 TypeError: cannot unpack non-iterable NoneType object 
    53099  
    53100 TypeError: cannot unpack non-iterable NoneType object 
    53101  
    53102 File
    53103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53104 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53105 etype, evalue, etraceback = exc_info 
    53106  
    53107 See log for complete Python traceback. 
    53108  
    53109 Traceback (most recent call last): 
    53110 File
    53111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53112 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53113 return self._func(self._name, data) 
    53114 File
    53115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53116 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53117 if v.display: 
    53118 File
    53119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53120 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53121 return self._any_displayed_positions and len(self._positions) > 0 
    53122 TypeError: object of type 'NoneType' has no len() 
    53123  
    53124 During handling of the above exception, another exception occurred: 
    53125  
    53126 Traceback (most recent call last): 
    53127 File
    53128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53129 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53130 if not self.draw_new_frame(): 
    53131 File
    53132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53133 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53134 changed = view.check_for_drawing_change() 
    53135 File
    53136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53137 packages/chimerax/core/graphics/view.py", line 252, in
    53138 check_for_drawing_change 
    53139 trig.activate_trigger('graphics update', self) 
    53140 File
    53141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53142 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53143 trigger.activate(data) 
    53144 File
    53145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53146 packages/chimerax/core/triggerset.py", line 190, in activate 
    53147 ret = handler.invoke(data, self._remove_bad_handlers) 
    53148 File
    53149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53150 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53151 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53152 File
    53153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53154 packages/chimerax/core/session.py", line 943, in <lambda> 
    53155 logger.report_exception(preface=preface)) 
    53156 File
    53157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53158 packages/chimerax/core/logger.py", line 421, in report_exception 
    53159 elif probably_chimera1_session(exc_info): 
    53160 File
    53161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53162 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53163 etype, evalue, etraceback = exc_info 
    53164 TypeError: cannot unpack non-iterable NoneType object 
    53165  
    53166 TypeError: cannot unpack non-iterable NoneType object 
    53167  
    53168 File
    53169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53170 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53171 etype, evalue, etraceback = exc_info 
    53172  
    53173 See log for complete Python traceback. 
    53174  
    53175 Traceback (most recent call last): 
    53176 File
    53177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53178 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53179 return self._func(self._name, data) 
    53180 File
    53181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53182 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53183 if v.display: 
    53184 File
    53185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53186 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53187 return self._any_displayed_positions and len(self._positions) > 0 
    53188 TypeError: object of type 'NoneType' has no len() 
    53189  
    53190 During handling of the above exception, another exception occurred: 
    53191  
    53192 Traceback (most recent call last): 
    53193 File
    53194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53195 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53196 if not self.draw_new_frame(): 
    53197 File
    53198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53199 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53200 changed = view.check_for_drawing_change() 
    53201 File
    53202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53203 packages/chimerax/core/graphics/view.py", line 252, in
    53204 check_for_drawing_change 
    53205 trig.activate_trigger('graphics update', self) 
    53206 File
    53207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53208 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53209 trigger.activate(data) 
    53210 File
    53211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53212 packages/chimerax/core/triggerset.py", line 190, in activate 
    53213 ret = handler.invoke(data, self._remove_bad_handlers) 
    53214 File
    53215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53216 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53217 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53218 File
    53219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53220 packages/chimerax/core/session.py", line 943, in <lambda> 
    53221 logger.report_exception(preface=preface)) 
    53222 File
    53223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53224 packages/chimerax/core/logger.py", line 421, in report_exception 
    53225 elif probably_chimera1_session(exc_info): 
    53226 File
    53227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53228 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53229 etype, evalue, etraceback = exc_info 
    53230 TypeError: cannot unpack non-iterable NoneType object 
    53231  
    53232 TypeError: cannot unpack non-iterable NoneType object 
    53233  
    53234 File
    53235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53236 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53237 etype, evalue, etraceback = exc_info 
    53238  
    53239 See log for complete Python traceback. 
    53240  
    53241 Traceback (most recent call last): 
    53242 File
    53243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53244 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53245 return self._func(self._name, data) 
    53246 File
    53247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53248 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53249 if v.display: 
    53250 File
    53251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53252 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53253 return self._any_displayed_positions and len(self._positions) > 0 
    53254 TypeError: object of type 'NoneType' has no len() 
    53255  
    53256 During handling of the above exception, another exception occurred: 
    53257  
    53258 Traceback (most recent call last): 
    53259 File
    53260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53261 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53262 if not self.draw_new_frame(): 
    53263 File
    53264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53265 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53266 changed = view.check_for_drawing_change() 
    53267 File
    53268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53269 packages/chimerax/core/graphics/view.py", line 252, in
    53270 check_for_drawing_change 
    53271 trig.activate_trigger('graphics update', self) 
    53272 File
    53273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53274 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53275 trigger.activate(data) 
    53276 File
    53277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53278 packages/chimerax/core/triggerset.py", line 190, in activate 
    53279 ret = handler.invoke(data, self._remove_bad_handlers) 
    53280 File
    53281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53282 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53283 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53284 File
    53285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53286 packages/chimerax/core/session.py", line 943, in <lambda> 
    53287 logger.report_exception(preface=preface)) 
    53288 File
    53289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53290 packages/chimerax/core/logger.py", line 421, in report_exception 
    53291 elif probably_chimera1_session(exc_info): 
    53292 File
    53293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53294 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53295 etype, evalue, etraceback = exc_info 
    53296 TypeError: cannot unpack non-iterable NoneType object 
    53297  
    53298 TypeError: cannot unpack non-iterable NoneType object 
    53299  
    53300 File
    53301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53302 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53303 etype, evalue, etraceback = exc_info 
    53304  
    53305 See log for complete Python traceback. 
    53306  
    53307 Traceback (most recent call last): 
    53308 File
    53309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53310 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53311 return self._func(self._name, data) 
    53312 File
    53313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53314 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53315 if v.display: 
    53316 File
    53317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53318 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53319 return self._any_displayed_positions and len(self._positions) > 0 
    53320 TypeError: object of type 'NoneType' has no len() 
    53321  
    53322 During handling of the above exception, another exception occurred: 
    53323  
    53324 Traceback (most recent call last): 
    53325 File
    53326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53327 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53328 if not self.draw_new_frame(): 
    53329 File
    53330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53331 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53332 changed = view.check_for_drawing_change() 
    53333 File
    53334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53335 packages/chimerax/core/graphics/view.py", line 252, in
    53336 check_for_drawing_change 
    53337 trig.activate_trigger('graphics update', self) 
    53338 File
    53339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53340 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53341 trigger.activate(data) 
    53342 File
    53343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53344 packages/chimerax/core/triggerset.py", line 190, in activate 
    53345 ret = handler.invoke(data, self._remove_bad_handlers) 
    53346 File
    53347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53348 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53349 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53350 File
    53351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53352 packages/chimerax/core/session.py", line 943, in <lambda> 
    53353 logger.report_exception(preface=preface)) 
    53354 File
    53355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53356 packages/chimerax/core/logger.py", line 421, in report_exception 
    53357 elif probably_chimera1_session(exc_info): 
    53358 File
    53359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53360 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53361 etype, evalue, etraceback = exc_info 
    53362 TypeError: cannot unpack non-iterable NoneType object 
    53363  
    53364 TypeError: cannot unpack non-iterable NoneType object 
    53365  
    53366 File
    53367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53368 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53369 etype, evalue, etraceback = exc_info 
    53370  
    53371 See log for complete Python traceback. 
    53372  
    53373 Traceback (most recent call last): 
    53374 File
    53375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53376 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53377 return self._func(self._name, data) 
    53378 File
    53379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53380 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53381 if v.display: 
    53382 File
    53383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53384 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53385 return self._any_displayed_positions and len(self._positions) > 0 
    53386 TypeError: object of type 'NoneType' has no len() 
    53387  
    53388 During handling of the above exception, another exception occurred: 
    53389  
    53390 Traceback (most recent call last): 
    53391 File
    53392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53393 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53394 if not self.draw_new_frame(): 
    53395 File
    53396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53397 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53398 changed = view.check_for_drawing_change() 
    53399 File
    53400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53401 packages/chimerax/core/graphics/view.py", line 252, in
    53402 check_for_drawing_change 
    53403 trig.activate_trigger('graphics update', self) 
    53404 File
    53405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53406 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53407 trigger.activate(data) 
    53408 File
    53409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53410 packages/chimerax/core/triggerset.py", line 190, in activate 
    53411 ret = handler.invoke(data, self._remove_bad_handlers) 
    53412 File
    53413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53414 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53415 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53416 File
    53417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53418 packages/chimerax/core/session.py", line 943, in <lambda> 
    53419 logger.report_exception(preface=preface)) 
    53420 File
    53421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53422 packages/chimerax/core/logger.py", line 421, in report_exception 
    53423 elif probably_chimera1_session(exc_info): 
    53424 File
    53425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53426 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53427 etype, evalue, etraceback = exc_info 
    53428 TypeError: cannot unpack non-iterable NoneType object 
    53429  
    53430 TypeError: cannot unpack non-iterable NoneType object 
    53431  
    53432 File
    53433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53434 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53435 etype, evalue, etraceback = exc_info 
    53436  
    53437 See log for complete Python traceback. 
    53438  
    53439 Traceback (most recent call last): 
    53440 File
    53441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53442 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53443 return self._func(self._name, data) 
    53444 File
    53445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53446 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53447 if v.display: 
    53448 File
    53449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53450 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53451 return self._any_displayed_positions and len(self._positions) > 0 
    53452 TypeError: object of type 'NoneType' has no len() 
    53453  
    53454 During handling of the above exception, another exception occurred: 
    53455  
    53456 Traceback (most recent call last): 
    53457 File
    53458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53459 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53460 if not self.draw_new_frame(): 
    53461 File
    53462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53463 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53464 changed = view.check_for_drawing_change() 
    53465 File
    53466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53467 packages/chimerax/core/graphics/view.py", line 252, in
    53468 check_for_drawing_change 
    53469 trig.activate_trigger('graphics update', self) 
    53470 File
    53471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53472 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53473 trigger.activate(data) 
    53474 File
    53475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53476 packages/chimerax/core/triggerset.py", line 190, in activate 
    53477 ret = handler.invoke(data, self._remove_bad_handlers) 
    53478 File
    53479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53480 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53481 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53482 File
    53483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53484 packages/chimerax/core/session.py", line 943, in <lambda> 
    53485 logger.report_exception(preface=preface)) 
    53486 File
    53487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53488 packages/chimerax/core/logger.py", line 421, in report_exception 
    53489 elif probably_chimera1_session(exc_info): 
    53490 File
    53491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53492 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53493 etype, evalue, etraceback = exc_info 
    53494 TypeError: cannot unpack non-iterable NoneType object 
    53495  
    53496 TypeError: cannot unpack non-iterable NoneType object 
    53497  
    53498 File
    53499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53500 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53501 etype, evalue, etraceback = exc_info 
    53502  
    53503 See log for complete Python traceback. 
    53504  
    53505 Traceback (most recent call last): 
    53506 File
    53507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53508 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53509 return self._func(self._name, data) 
    53510 File
    53511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53512 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53513 if v.display: 
    53514 File
    53515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53516 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53517 return self._any_displayed_positions and len(self._positions) > 0 
    53518 TypeError: object of type 'NoneType' has no len() 
    53519  
    53520 During handling of the above exception, another exception occurred: 
    53521  
    53522 Traceback (most recent call last): 
    53523 File
    53524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53525 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53526 if not self.draw_new_frame(): 
    53527 File
    53528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53529 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53530 changed = view.check_for_drawing_change() 
    53531 File
    53532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53533 packages/chimerax/core/graphics/view.py", line 252, in
    53534 check_for_drawing_change 
    53535 trig.activate_trigger('graphics update', self) 
    53536 File
    53537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53538 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53539 trigger.activate(data) 
    53540 File
    53541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53542 packages/chimerax/core/triggerset.py", line 190, in activate 
    53543 ret = handler.invoke(data, self._remove_bad_handlers) 
    53544 File
    53545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53546 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53547 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53548 File
    53549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53550 packages/chimerax/core/session.py", line 943, in <lambda> 
    53551 logger.report_exception(preface=preface)) 
    53552 File
    53553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53554 packages/chimerax/core/logger.py", line 421, in report_exception 
    53555 elif probably_chimera1_session(exc_info): 
    53556 File
    53557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53558 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53559 etype, evalue, etraceback = exc_info 
    53560 TypeError: cannot unpack non-iterable NoneType object 
    53561  
    53562 TypeError: cannot unpack non-iterable NoneType object 
    53563  
    53564 File
    53565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53566 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53567 etype, evalue, etraceback = exc_info 
    53568  
    53569 See log for complete Python traceback. 
    53570  
    53571 Traceback (most recent call last): 
    53572 File
    53573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53574 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53575 return self._func(self._name, data) 
    53576 File
    53577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53578 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53579 if v.display: 
    53580 File
    53581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53582 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53583 return self._any_displayed_positions and len(self._positions) > 0 
    53584 TypeError: object of type 'NoneType' has no len() 
    53585  
    53586 During handling of the above exception, another exception occurred: 
    53587  
    53588 Traceback (most recent call last): 
    53589 File
    53590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53591 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53592 if not self.draw_new_frame(): 
    53593 File
    53594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53595 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53596 changed = view.check_for_drawing_change() 
    53597 File
    53598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53599 packages/chimerax/core/graphics/view.py", line 252, in
    53600 check_for_drawing_change 
    53601 trig.activate_trigger('graphics update', self) 
    53602 File
    53603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53604 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53605 trigger.activate(data) 
    53606 File
    53607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53608 packages/chimerax/core/triggerset.py", line 190, in activate 
    53609 ret = handler.invoke(data, self._remove_bad_handlers) 
    53610 File
    53611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53612 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53613 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53614 File
    53615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53616 packages/chimerax/core/session.py", line 943, in <lambda> 
    53617 logger.report_exception(preface=preface)) 
    53618 File
    53619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53620 packages/chimerax/core/logger.py", line 421, in report_exception 
    53621 elif probably_chimera1_session(exc_info): 
    53622 File
    53623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53624 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53625 etype, evalue, etraceback = exc_info 
    53626 TypeError: cannot unpack non-iterable NoneType object 
    53627  
    53628 TypeError: cannot unpack non-iterable NoneType object 
    53629  
    53630 File
    53631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53632 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53633 etype, evalue, etraceback = exc_info 
    53634  
    53635 See log for complete Python traceback. 
    53636  
    53637 Traceback (most recent call last): 
    53638 File
    53639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53640 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53641 return self._func(self._name, data) 
    53642 File
    53643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53644 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53645 if v.display: 
    53646 File
    53647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53648 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53649 return self._any_displayed_positions and len(self._positions) > 0 
    53650 TypeError: object of type 'NoneType' has no len() 
    53651  
    53652 During handling of the above exception, another exception occurred: 
    53653  
    53654 Traceback (most recent call last): 
    53655 File
    53656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53657 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53658 if not self.draw_new_frame(): 
    53659 File
    53660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53661 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53662 changed = view.check_for_drawing_change() 
    53663 File
    53664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53665 packages/chimerax/core/graphics/view.py", line 252, in
    53666 check_for_drawing_change 
    53667 trig.activate_trigger('graphics update', self) 
    53668 File
    53669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53670 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53671 trigger.activate(data) 
    53672 File
    53673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53674 packages/chimerax/core/triggerset.py", line 190, in activate 
    53675 ret = handler.invoke(data, self._remove_bad_handlers) 
    53676 File
    53677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53678 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53679 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53680 File
    53681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53682 packages/chimerax/core/session.py", line 943, in <lambda> 
    53683 logger.report_exception(preface=preface)) 
    53684 File
    53685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53686 packages/chimerax/core/logger.py", line 421, in report_exception 
    53687 elif probably_chimera1_session(exc_info): 
    53688 File
    53689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53690 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53691 etype, evalue, etraceback = exc_info 
    53692 TypeError: cannot unpack non-iterable NoneType object 
    53693  
    53694 TypeError: cannot unpack non-iterable NoneType object 
    53695  
    53696 File
    53697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53698 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53699 etype, evalue, etraceback = exc_info 
    53700  
    53701 See log for complete Python traceback. 
    53702  
    53703 Traceback (most recent call last): 
    53704 File
    53705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53706 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53707 return self._func(self._name, data) 
    53708 File
    53709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53710 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53711 if v.display: 
    53712 File
    53713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53714 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53715 return self._any_displayed_positions and len(self._positions) > 0 
    53716 TypeError: object of type 'NoneType' has no len() 
    53717  
    53718 During handling of the above exception, another exception occurred: 
    53719  
    53720 Traceback (most recent call last): 
    53721 File
    53722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53723 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53724 if not self.draw_new_frame(): 
    53725 File
    53726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53727 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53728 changed = view.check_for_drawing_change() 
    53729 File
    53730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53731 packages/chimerax/core/graphics/view.py", line 252, in
    53732 check_for_drawing_change 
    53733 trig.activate_trigger('graphics update', self) 
    53734 File
    53735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53736 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53737 trigger.activate(data) 
    53738 File
    53739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53740 packages/chimerax/core/triggerset.py", line 190, in activate 
    53741 ret = handler.invoke(data, self._remove_bad_handlers) 
    53742 File
    53743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53744 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53745 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53746 File
    53747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53748 packages/chimerax/core/session.py", line 943, in <lambda> 
    53749 logger.report_exception(preface=preface)) 
    53750 File
    53751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53752 packages/chimerax/core/logger.py", line 421, in report_exception 
    53753 elif probably_chimera1_session(exc_info): 
    53754 File
    53755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53756 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53757 etype, evalue, etraceback = exc_info 
    53758 TypeError: cannot unpack non-iterable NoneType object 
    53759  
    53760 TypeError: cannot unpack non-iterable NoneType object 
    53761  
    53762 File
    53763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53764 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53765 etype, evalue, etraceback = exc_info 
    53766  
    53767 See log for complete Python traceback. 
    53768  
    53769 Traceback (most recent call last): 
    53770 File
    53771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53772 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53773 return self._func(self._name, data) 
    53774 File
    53775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53776 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53777 if v.display: 
    53778 File
    53779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53780 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53781 return self._any_displayed_positions and len(self._positions) > 0 
    53782 TypeError: object of type 'NoneType' has no len() 
    53783  
    53784 During handling of the above exception, another exception occurred: 
    53785  
    53786 Traceback (most recent call last): 
    53787 File
    53788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53789 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53790 if not self.draw_new_frame(): 
    53791 File
    53792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53793 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53794 changed = view.check_for_drawing_change() 
    53795 File
    53796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53797 packages/chimerax/core/graphics/view.py", line 252, in
    53798 check_for_drawing_change 
    53799 trig.activate_trigger('graphics update', self) 
    53800 File
    53801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53802 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53803 trigger.activate(data) 
    53804 File
    53805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53806 packages/chimerax/core/triggerset.py", line 190, in activate 
    53807 ret = handler.invoke(data, self._remove_bad_handlers) 
    53808 File
    53809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53810 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53811 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53812 File
    53813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53814 packages/chimerax/core/session.py", line 943, in <lambda> 
    53815 logger.report_exception(preface=preface)) 
    53816 File
    53817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53818 packages/chimerax/core/logger.py", line 421, in report_exception 
    53819 elif probably_chimera1_session(exc_info): 
    53820 File
    53821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53822 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53823 etype, evalue, etraceback = exc_info 
    53824 TypeError: cannot unpack non-iterable NoneType object 
    53825  
    53826 TypeError: cannot unpack non-iterable NoneType object 
    53827  
    53828 File
    53829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53830 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53831 etype, evalue, etraceback = exc_info 
    53832  
    53833 See log for complete Python traceback. 
    53834  
    53835 Traceback (most recent call last): 
    53836 File
    53837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53838 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53839 return self._func(self._name, data) 
    53840 File
    53841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53842 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53843 if v.display: 
    53844 File
    53845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53846 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53847 return self._any_displayed_positions and len(self._positions) > 0 
    53848 TypeError: object of type 'NoneType' has no len() 
    53849  
    53850 During handling of the above exception, another exception occurred: 
    53851  
    53852 Traceback (most recent call last): 
    53853 File
    53854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53855 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53856 if not self.draw_new_frame(): 
    53857 File
    53858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53859 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53860 changed = view.check_for_drawing_change() 
    53861 File
    53862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53863 packages/chimerax/core/graphics/view.py", line 252, in
    53864 check_for_drawing_change 
    53865 trig.activate_trigger('graphics update', self) 
    53866 File
    53867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53868 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53869 trigger.activate(data) 
    53870 File
    53871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53872 packages/chimerax/core/triggerset.py", line 190, in activate 
    53873 ret = handler.invoke(data, self._remove_bad_handlers) 
    53874 File
    53875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53876 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53877 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53878 File
    53879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53880 packages/chimerax/core/session.py", line 943, in <lambda> 
    53881 logger.report_exception(preface=preface)) 
    53882 File
    53883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53884 packages/chimerax/core/logger.py", line 421, in report_exception 
    53885 elif probably_chimera1_session(exc_info): 
    53886 File
    53887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53888 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53889 etype, evalue, etraceback = exc_info 
    53890 TypeError: cannot unpack non-iterable NoneType object 
    53891  
    53892 TypeError: cannot unpack non-iterable NoneType object 
    53893  
    53894 File
    53895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53896 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53897 etype, evalue, etraceback = exc_info 
    53898  
    53899 See log for complete Python traceback. 
    53900  
    53901 Traceback (most recent call last): 
    53902 File
    53903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53904 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53905 return self._func(self._name, data) 
    53906 File
    53907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53908 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53909 if v.display: 
    53910 File
    53911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53912 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53913 return self._any_displayed_positions and len(self._positions) > 0 
    53914 TypeError: object of type 'NoneType' has no len() 
    53915  
    53916 During handling of the above exception, another exception occurred: 
    53917  
    53918 Traceback (most recent call last): 
    53919 File
    53920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53921 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53922 if not self.draw_new_frame(): 
    53923 File
    53924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53925 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53926 changed = view.check_for_drawing_change() 
    53927 File
    53928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53929 packages/chimerax/core/graphics/view.py", line 252, in
    53930 check_for_drawing_change 
    53931 trig.activate_trigger('graphics update', self) 
    53932 File
    53933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53934 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    53935 trigger.activate(data) 
    53936 File
    53937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53938 packages/chimerax/core/triggerset.py", line 190, in activate 
    53939 ret = handler.invoke(data, self._remove_bad_handlers) 
    53940 File
    53941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53942 packages/chimerax/core/triggerset.py", line 132, in invoke 
    53943 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    53944 File
    53945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53946 packages/chimerax/core/session.py", line 943, in <lambda> 
    53947 logger.report_exception(preface=preface)) 
    53948 File
    53949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53950 packages/chimerax/core/logger.py", line 421, in report_exception 
    53951 elif probably_chimera1_session(exc_info): 
    53952 File
    53953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53954 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53955 etype, evalue, etraceback = exc_info 
    53956 TypeError: cannot unpack non-iterable NoneType object 
    53957  
    53958 TypeError: cannot unpack non-iterable NoneType object 
    53959  
    53960 File
    53961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53962 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    53963 etype, evalue, etraceback = exc_info 
    53964  
    53965 See log for complete Python traceback. 
    53966  
    53967 Traceback (most recent call last): 
    53968 File
    53969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53970 packages/chimerax/core/triggerset.py", line 130, in invoke 
    53971 return self._func(self._name, data) 
    53972 File
    53973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53974 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    53975 if v.display: 
    53976 File
    53977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53978 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    53979 return self._any_displayed_positions and len(self._positions) > 0 
    53980 TypeError: object of type 'NoneType' has no len() 
    53981  
    53982 During handling of the above exception, another exception occurred: 
    53983  
    53984 Traceback (most recent call last): 
    53985 File
    53986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53987 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    53988 if not self.draw_new_frame(): 
    53989 File
    53990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53991 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    53992 changed = view.check_for_drawing_change() 
    53993 File
    53994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    53995 packages/chimerax/core/graphics/view.py", line 252, in
    53996 check_for_drawing_change 
    53997 trig.activate_trigger('graphics update', self) 
    53998 File
    53999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54000 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54001 trigger.activate(data) 
    54002 File
    54003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54004 packages/chimerax/core/triggerset.py", line 190, in activate 
    54005 ret = handler.invoke(data, self._remove_bad_handlers) 
    54006 File
    54007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54008 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54009 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54010 File
    54011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54012 packages/chimerax/core/session.py", line 943, in <lambda> 
    54013 logger.report_exception(preface=preface)) 
    54014 File
    54015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54016 packages/chimerax/core/logger.py", line 421, in report_exception 
    54017 elif probably_chimera1_session(exc_info): 
    54018 File
    54019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54020 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54021 etype, evalue, etraceback = exc_info 
    54022 TypeError: cannot unpack non-iterable NoneType object 
    54023  
    54024 TypeError: cannot unpack non-iterable NoneType object 
    54025  
    54026 File
    54027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54028 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54029 etype, evalue, etraceback = exc_info 
    54030  
    54031 See log for complete Python traceback. 
    54032  
    54033 Traceback (most recent call last): 
    54034 File
    54035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54036 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54037 return self._func(self._name, data) 
    54038 File
    54039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54040 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54041 if v.display: 
    54042 File
    54043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54044 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54045 return self._any_displayed_positions and len(self._positions) > 0 
    54046 TypeError: object of type 'NoneType' has no len() 
    54047  
    54048 During handling of the above exception, another exception occurred: 
    54049  
    54050 Traceback (most recent call last): 
    54051 File
    54052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54053 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54054 if not self.draw_new_frame(): 
    54055 File
    54056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54057 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54058 changed = view.check_for_drawing_change() 
    54059 File
    54060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54061 packages/chimerax/core/graphics/view.py", line 252, in
    54062 check_for_drawing_change 
    54063 trig.activate_trigger('graphics update', self) 
    54064 File
    54065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54066 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54067 trigger.activate(data) 
    54068 File
    54069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54070 packages/chimerax/core/triggerset.py", line 190, in activate 
    54071 ret = handler.invoke(data, self._remove_bad_handlers) 
    54072 File
    54073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54074 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54075 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54076 File
    54077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54078 packages/chimerax/core/session.py", line 943, in <lambda> 
    54079 logger.report_exception(preface=preface)) 
    54080 File
    54081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54082 packages/chimerax/core/logger.py", line 421, in report_exception 
    54083 elif probably_chimera1_session(exc_info): 
    54084 File
    54085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54086 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54087 etype, evalue, etraceback = exc_info 
    54088 TypeError: cannot unpack non-iterable NoneType object 
    54089  
    54090 TypeError: cannot unpack non-iterable NoneType object 
    54091  
    54092 File
    54093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54094 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54095 etype, evalue, etraceback = exc_info 
    54096  
    54097 See log for complete Python traceback. 
    54098  
    54099 Traceback (most recent call last): 
    54100 File
    54101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54102 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54103 return self._func(self._name, data) 
    54104 File
    54105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54106 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54107 if v.display: 
    54108 File
    54109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54110 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54111 return self._any_displayed_positions and len(self._positions) > 0 
    54112 TypeError: object of type 'NoneType' has no len() 
    54113  
    54114 During handling of the above exception, another exception occurred: 
    54115  
    54116 Traceback (most recent call last): 
    54117 File
    54118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54119 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54120 if not self.draw_new_frame(): 
    54121 File
    54122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54123 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54124 changed = view.check_for_drawing_change() 
    54125 File
    54126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54127 packages/chimerax/core/graphics/view.py", line 252, in
    54128 check_for_drawing_change 
    54129 trig.activate_trigger('graphics update', self) 
    54130 File
    54131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54132 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54133 trigger.activate(data) 
    54134 File
    54135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54136 packages/chimerax/core/triggerset.py", line 190, in activate 
    54137 ret = handler.invoke(data, self._remove_bad_handlers) 
    54138 File
    54139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54140 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54141 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54142 File
    54143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54144 packages/chimerax/core/session.py", line 943, in <lambda> 
    54145 logger.report_exception(preface=preface)) 
    54146 File
    54147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54148 packages/chimerax/core/logger.py", line 421, in report_exception 
    54149 elif probably_chimera1_session(exc_info): 
    54150 File
    54151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54152 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54153 etype, evalue, etraceback = exc_info 
    54154 TypeError: cannot unpack non-iterable NoneType object 
    54155  
    54156 TypeError: cannot unpack non-iterable NoneType object 
    54157  
    54158 File
    54159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54160 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54161 etype, evalue, etraceback = exc_info 
    54162  
    54163 See log for complete Python traceback. 
    54164  
    54165 Traceback (most recent call last): 
    54166 File
    54167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54169 return self._func(self._name, data) 
    54170 File
    54171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54172 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54173 if v.display: 
    54174 File
    54175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54176 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54177 return self._any_displayed_positions and len(self._positions) > 0 
    54178 TypeError: object of type 'NoneType' has no len() 
    54179  
    54180 During handling of the above exception, another exception occurred: 
    54181  
    54182 Traceback (most recent call last): 
    54183 File
    54184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54185 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54186 if not self.draw_new_frame(): 
    54187 File
    54188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54189 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54190 changed = view.check_for_drawing_change() 
    54191 File
    54192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54193 packages/chimerax/core/graphics/view.py", line 252, in
    54194 check_for_drawing_change 
    54195 trig.activate_trigger('graphics update', self) 
    54196 File
    54197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54198 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54199 trigger.activate(data) 
    54200 File
    54201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54202 packages/chimerax/core/triggerset.py", line 190, in activate 
    54203 ret = handler.invoke(data, self._remove_bad_handlers) 
    54204 File
    54205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54206 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54207 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54208 File
    54209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54210 packages/chimerax/core/session.py", line 943, in <lambda> 
    54211 logger.report_exception(preface=preface)) 
    54212 File
    54213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54214 packages/chimerax/core/logger.py", line 421, in report_exception 
    54215 elif probably_chimera1_session(exc_info): 
    54216 File
    54217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54218 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54219 etype, evalue, etraceback = exc_info 
    54220 TypeError: cannot unpack non-iterable NoneType object 
    54221  
    54222 TypeError: cannot unpack non-iterable NoneType object 
    54223  
    54224 File
    54225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54226 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54227 etype, evalue, etraceback = exc_info 
    54228  
    54229 See log for complete Python traceback. 
    54230  
    54231 Traceback (most recent call last): 
    54232 File
    54233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54234 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54235 return self._func(self._name, data) 
    54236 File
    54237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54238 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54239 if v.display: 
    54240 File
    54241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54242 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54243 return self._any_displayed_positions and len(self._positions) > 0 
    54244 TypeError: object of type 'NoneType' has no len() 
    54245  
    54246 During handling of the above exception, another exception occurred: 
    54247  
    54248 Traceback (most recent call last): 
    54249 File
    54250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54251 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54252 if not self.draw_new_frame(): 
    54253 File
    54254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54255 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54256 changed = view.check_for_drawing_change() 
    54257 File
    54258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54259 packages/chimerax/core/graphics/view.py", line 252, in
    54260 check_for_drawing_change 
    54261 trig.activate_trigger('graphics update', self) 
    54262 File
    54263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54264 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54265 trigger.activate(data) 
    54266 File
    54267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54268 packages/chimerax/core/triggerset.py", line 190, in activate 
    54269 ret = handler.invoke(data, self._remove_bad_handlers) 
    54270 File
    54271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54272 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54273 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54274 File
    54275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54276 packages/chimerax/core/session.py", line 943, in <lambda> 
    54277 logger.report_exception(preface=preface)) 
    54278 File
    54279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54280 packages/chimerax/core/logger.py", line 421, in report_exception 
    54281 elif probably_chimera1_session(exc_info): 
    54282 File
    54283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54284 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54285 etype, evalue, etraceback = exc_info 
    54286 TypeError: cannot unpack non-iterable NoneType object 
    54287  
    54288 TypeError: cannot unpack non-iterable NoneType object 
    54289  
    54290 File
    54291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54292 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54293 etype, evalue, etraceback = exc_info 
    54294  
    54295 See log for complete Python traceback. 
    54296  
    54297 Traceback (most recent call last): 
    54298 File
    54299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54300 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54301 return self._func(self._name, data) 
    54302 File
    54303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54304 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54305 if v.display: 
    54306 File
    54307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54308 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54309 return self._any_displayed_positions and len(self._positions) > 0 
    54310 TypeError: object of type 'NoneType' has no len() 
    54311  
    54312 During handling of the above exception, another exception occurred: 
    54313  
    54314 Traceback (most recent call last): 
    54315 File
    54316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54317 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54318 if not self.draw_new_frame(): 
    54319 File
    54320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54321 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54322 changed = view.check_for_drawing_change() 
    54323 File
    54324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54325 packages/chimerax/core/graphics/view.py", line 252, in
    54326 check_for_drawing_change 
    54327 trig.activate_trigger('graphics update', self) 
    54328 File
    54329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54330 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54331 trigger.activate(data) 
    54332 File
    54333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54334 packages/chimerax/core/triggerset.py", line 190, in activate 
    54335 ret = handler.invoke(data, self._remove_bad_handlers) 
    54336 File
    54337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54338 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54339 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54340 File
    54341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54342 packages/chimerax/core/session.py", line 943, in <lambda> 
    54343 logger.report_exception(preface=preface)) 
    54344 File
    54345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54346 packages/chimerax/core/logger.py", line 421, in report_exception 
    54347 elif probably_chimera1_session(exc_info): 
    54348 File
    54349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54350 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54351 etype, evalue, etraceback = exc_info 
    54352 TypeError: cannot unpack non-iterable NoneType object 
    54353  
    54354 TypeError: cannot unpack non-iterable NoneType object 
    54355  
    54356 File
    54357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54358 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54359 etype, evalue, etraceback = exc_info 
    54360  
    54361 See log for complete Python traceback. 
    54362  
    54363 Traceback (most recent call last): 
    54364 File
    54365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54366 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54367 return self._func(self._name, data) 
    54368 File
    54369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54370 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54371 if v.display: 
    54372 File
    54373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54374 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54375 return self._any_displayed_positions and len(self._positions) > 0 
    54376 TypeError: object of type 'NoneType' has no len() 
    54377  
    54378 During handling of the above exception, another exception occurred: 
    54379  
    54380 Traceback (most recent call last): 
    54381 File
    54382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54383 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54384 if not self.draw_new_frame(): 
    54385 File
    54386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54387 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54388 changed = view.check_for_drawing_change() 
    54389 File
    54390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54391 packages/chimerax/core/graphics/view.py", line 252, in
    54392 check_for_drawing_change 
    54393 trig.activate_trigger('graphics update', self) 
    54394 File
    54395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54396 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54397 trigger.activate(data) 
    54398 File
    54399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54400 packages/chimerax/core/triggerset.py", line 190, in activate 
    54401 ret = handler.invoke(data, self._remove_bad_handlers) 
    54402 File
    54403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54404 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54405 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54406 File
    54407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54408 packages/chimerax/core/session.py", line 943, in <lambda> 
    54409 logger.report_exception(preface=preface)) 
    54410 File
    54411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54412 packages/chimerax/core/logger.py", line 421, in report_exception 
    54413 elif probably_chimera1_session(exc_info): 
    54414 File
    54415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54416 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54417 etype, evalue, etraceback = exc_info 
    54418 TypeError: cannot unpack non-iterable NoneType object 
    54419  
    54420 TypeError: cannot unpack non-iterable NoneType object 
    54421  
    54422 File
    54423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54424 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54425 etype, evalue, etraceback = exc_info 
    54426  
    54427 See log for complete Python traceback. 
    54428  
    54429 Traceback (most recent call last): 
    54430 File
    54431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54432 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54433 return self._func(self._name, data) 
    54434 File
    54435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54436 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54437 if v.display: 
    54438 File
    54439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54440 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54441 return self._any_displayed_positions and len(self._positions) > 0 
    54442 TypeError: object of type 'NoneType' has no len() 
    54443  
    54444 During handling of the above exception, another exception occurred: 
    54445  
    54446 Traceback (most recent call last): 
    54447 File
    54448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54449 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54450 if not self.draw_new_frame(): 
    54451 File
    54452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54453 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54454 changed = view.check_for_drawing_change() 
    54455 File
    54456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54457 packages/chimerax/core/graphics/view.py", line 252, in
    54458 check_for_drawing_change 
    54459 trig.activate_trigger('graphics update', self) 
    54460 File
    54461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54462 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54463 trigger.activate(data) 
    54464 File
    54465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54466 packages/chimerax/core/triggerset.py", line 190, in activate 
    54467 ret = handler.invoke(data, self._remove_bad_handlers) 
    54468 File
    54469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54470 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54471 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54472 File
    54473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54474 packages/chimerax/core/session.py", line 943, in <lambda> 
    54475 logger.report_exception(preface=preface)) 
    54476 File
    54477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54478 packages/chimerax/core/logger.py", line 421, in report_exception 
    54479 elif probably_chimera1_session(exc_info): 
    54480 File
    54481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54482 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54483 etype, evalue, etraceback = exc_info 
    54484 TypeError: cannot unpack non-iterable NoneType object 
    54485  
    54486 TypeError: cannot unpack non-iterable NoneType object 
    54487  
    54488 File
    54489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54490 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54491 etype, evalue, etraceback = exc_info 
    54492  
    54493 See log for complete Python traceback. 
    54494  
    54495 Traceback (most recent call last): 
    54496 File
    54497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54498 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54499 return self._func(self._name, data) 
    54500 File
    54501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54502 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54503 if v.display: 
    54504 File
    54505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54506 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54507 return self._any_displayed_positions and len(self._positions) > 0 
    54508 TypeError: object of type 'NoneType' has no len() 
    54509  
    54510 During handling of the above exception, another exception occurred: 
    54511  
    54512 Traceback (most recent call last): 
    54513 File
    54514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54515 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54516 if not self.draw_new_frame(): 
    54517 File
    54518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54519 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54520 changed = view.check_for_drawing_change() 
    54521 File
    54522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54523 packages/chimerax/core/graphics/view.py", line 252, in
    54524 check_for_drawing_change 
    54525 trig.activate_trigger('graphics update', self) 
    54526 File
    54527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54528 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54529 trigger.activate(data) 
    54530 File
    54531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54532 packages/chimerax/core/triggerset.py", line 190, in activate 
    54533 ret = handler.invoke(data, self._remove_bad_handlers) 
    54534 File
    54535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54536 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54537 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54538 File
    54539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54540 packages/chimerax/core/session.py", line 943, in <lambda> 
    54541 logger.report_exception(preface=preface)) 
    54542 File
    54543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54544 packages/chimerax/core/logger.py", line 421, in report_exception 
    54545 elif probably_chimera1_session(exc_info): 
    54546 File
    54547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54548 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54549 etype, evalue, etraceback = exc_info 
    54550 TypeError: cannot unpack non-iterable NoneType object 
    54551  
    54552 TypeError: cannot unpack non-iterable NoneType object 
    54553  
    54554 File
    54555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54556 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54557 etype, evalue, etraceback = exc_info 
    54558  
    54559 See log for complete Python traceback. 
    54560  
    54561 Traceback (most recent call last): 
    54562 File
    54563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54564 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54565 return self._func(self._name, data) 
    54566 File
    54567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54568 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54569 if v.display: 
    54570 File
    54571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54572 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54573 return self._any_displayed_positions and len(self._positions) > 0 
    54574 TypeError: object of type 'NoneType' has no len() 
    54575  
    54576 During handling of the above exception, another exception occurred: 
    54577  
    54578 Traceback (most recent call last): 
    54579 File
    54580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54581 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54582 if not self.draw_new_frame(): 
    54583 File
    54584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54585 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54586 changed = view.check_for_drawing_change() 
    54587 File
    54588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54589 packages/chimerax/core/graphics/view.py", line 252, in
    54590 check_for_drawing_change 
    54591 trig.activate_trigger('graphics update', self) 
    54592 File
    54593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54594 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54595 trigger.activate(data) 
    54596 File
    54597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54598 packages/chimerax/core/triggerset.py", line 190, in activate 
    54599 ret = handler.invoke(data, self._remove_bad_handlers) 
    54600 File
    54601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54602 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54603 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54604 File
    54605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54606 packages/chimerax/core/session.py", line 943, in <lambda> 
    54607 logger.report_exception(preface=preface)) 
    54608 File
    54609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54610 packages/chimerax/core/logger.py", line 421, in report_exception 
    54611 elif probably_chimera1_session(exc_info): 
    54612 File
    54613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54614 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54615 etype, evalue, etraceback = exc_info 
    54616 TypeError: cannot unpack non-iterable NoneType object 
    54617  
    54618 TypeError: cannot unpack non-iterable NoneType object 
    54619  
    54620 File
    54621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54622 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54623 etype, evalue, etraceback = exc_info 
    54624  
    54625 See log for complete Python traceback. 
    54626  
    54627 Traceback (most recent call last): 
    54628 File
    54629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54630 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54631 return self._func(self._name, data) 
    54632 File
    54633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54634 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54635 if v.display: 
    54636 File
    54637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54638 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54639 return self._any_displayed_positions and len(self._positions) > 0 
    54640 TypeError: object of type 'NoneType' has no len() 
    54641  
    54642 During handling of the above exception, another exception occurred: 
    54643  
    54644 Traceback (most recent call last): 
    54645 File
    54646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54647 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54648 if not self.draw_new_frame(): 
    54649 File
    54650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54651 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54652 changed = view.check_for_drawing_change() 
    54653 File
    54654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54655 packages/chimerax/core/graphics/view.py", line 252, in
    54656 check_for_drawing_change 
    54657 trig.activate_trigger('graphics update', self) 
    54658 File
    54659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54660 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54661 trigger.activate(data) 
    54662 File
    54663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54664 packages/chimerax/core/triggerset.py", line 190, in activate 
    54665 ret = handler.invoke(data, self._remove_bad_handlers) 
    54666 File
    54667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54668 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54669 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54670 File
    54671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54672 packages/chimerax/core/session.py", line 943, in <lambda> 
    54673 logger.report_exception(preface=preface)) 
    54674 File
    54675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54676 packages/chimerax/core/logger.py", line 421, in report_exception 
    54677 elif probably_chimera1_session(exc_info): 
    54678 File
    54679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54680 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54681 etype, evalue, etraceback = exc_info 
    54682 TypeError: cannot unpack non-iterable NoneType object 
    54683  
    54684 TypeError: cannot unpack non-iterable NoneType object 
    54685  
    54686 File
    54687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54688 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54689 etype, evalue, etraceback = exc_info 
    54690  
    54691 See log for complete Python traceback. 
    54692  
    54693 Traceback (most recent call last): 
    54694 File
    54695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54696 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54697 return self._func(self._name, data) 
    54698 File
    54699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54700 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54701 if v.display: 
    54702 File
    54703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54704 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54705 return self._any_displayed_positions and len(self._positions) > 0 
    54706 TypeError: object of type 'NoneType' has no len() 
    54707  
    54708 During handling of the above exception, another exception occurred: 
    54709  
    54710 Traceback (most recent call last): 
    54711 File
    54712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54713 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54714 if not self.draw_new_frame(): 
    54715 File
    54716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54717 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54718 changed = view.check_for_drawing_change() 
    54719 File
    54720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54721 packages/chimerax/core/graphics/view.py", line 252, in
    54722 check_for_drawing_change 
    54723 trig.activate_trigger('graphics update', self) 
    54724 File
    54725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54726 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54727 trigger.activate(data) 
    54728 File
    54729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54730 packages/chimerax/core/triggerset.py", line 190, in activate 
    54731 ret = handler.invoke(data, self._remove_bad_handlers) 
    54732 File
    54733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54734 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54735 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54736 File
    54737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54738 packages/chimerax/core/session.py", line 943, in <lambda> 
    54739 logger.report_exception(preface=preface)) 
    54740 File
    54741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54742 packages/chimerax/core/logger.py", line 421, in report_exception 
    54743 elif probably_chimera1_session(exc_info): 
    54744 File
    54745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54746 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54747 etype, evalue, etraceback = exc_info 
    54748 TypeError: cannot unpack non-iterable NoneType object 
    54749  
    54750 TypeError: cannot unpack non-iterable NoneType object 
    54751  
    54752 File
    54753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54754 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54755 etype, evalue, etraceback = exc_info 
    54756  
    54757 See log for complete Python traceback. 
    54758  
    54759 Traceback (most recent call last): 
    54760 File
    54761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54762 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54763 return self._func(self._name, data) 
    54764 File
    54765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54766 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54767 if v.display: 
    54768 File
    54769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54770 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54771 return self._any_displayed_positions and len(self._positions) > 0 
    54772 TypeError: object of type 'NoneType' has no len() 
    54773  
    54774 During handling of the above exception, another exception occurred: 
    54775  
    54776 Traceback (most recent call last): 
    54777 File
    54778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54779 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54780 if not self.draw_new_frame(): 
    54781 File
    54782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54783 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54784 changed = view.check_for_drawing_change() 
    54785 File
    54786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54787 packages/chimerax/core/graphics/view.py", line 252, in
    54788 check_for_drawing_change 
    54789 trig.activate_trigger('graphics update', self) 
    54790 File
    54791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54792 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54793 trigger.activate(data) 
    54794 File
    54795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54796 packages/chimerax/core/triggerset.py", line 190, in activate 
    54797 ret = handler.invoke(data, self._remove_bad_handlers) 
    54798 File
    54799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54800 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54801 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54802 File
    54803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54804 packages/chimerax/core/session.py", line 943, in <lambda> 
    54805 logger.report_exception(preface=preface)) 
    54806 File
    54807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54808 packages/chimerax/core/logger.py", line 421, in report_exception 
    54809 elif probably_chimera1_session(exc_info): 
    54810 File
    54811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54812 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54813 etype, evalue, etraceback = exc_info 
    54814 TypeError: cannot unpack non-iterable NoneType object 
    54815  
    54816 TypeError: cannot unpack non-iterable NoneType object 
    54817  
    54818 File
    54819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54820 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54821 etype, evalue, etraceback = exc_info 
    54822  
    54823 See log for complete Python traceback. 
    54824  
    54825 Traceback (most recent call last): 
    54826 File
    54827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54828 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54829 return self._func(self._name, data) 
    54830 File
    54831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54832 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54833 if v.display: 
    54834 File
    54835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54836 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54837 return self._any_displayed_positions and len(self._positions) > 0 
    54838 TypeError: object of type 'NoneType' has no len() 
    54839  
    54840 During handling of the above exception, another exception occurred: 
    54841  
    54842 Traceback (most recent call last): 
    54843 File
    54844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54845 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54846 if not self.draw_new_frame(): 
    54847 File
    54848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54849 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54850 changed = view.check_for_drawing_change() 
    54851 File
    54852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54853 packages/chimerax/core/graphics/view.py", line 252, in
    54854 check_for_drawing_change 
    54855 trig.activate_trigger('graphics update', self) 
    54856 File
    54857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54858 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54859 trigger.activate(data) 
    54860 File
    54861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54862 packages/chimerax/core/triggerset.py", line 190, in activate 
    54863 ret = handler.invoke(data, self._remove_bad_handlers) 
    54864 File
    54865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54866 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54867 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54868 File
    54869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54870 packages/chimerax/core/session.py", line 943, in <lambda> 
    54871 logger.report_exception(preface=preface)) 
    54872 File
    54873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54874 packages/chimerax/core/logger.py", line 421, in report_exception 
    54875 elif probably_chimera1_session(exc_info): 
    54876 File
    54877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54878 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54879 etype, evalue, etraceback = exc_info 
    54880 TypeError: cannot unpack non-iterable NoneType object 
    54881  
    54882 TypeError: cannot unpack non-iterable NoneType object 
    54883  
    54884 File
    54885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54886 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54887 etype, evalue, etraceback = exc_info 
    54888  
    54889 See log for complete Python traceback. 
    54890  
    54891 Traceback (most recent call last): 
    54892 File
    54893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54894 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54895 return self._func(self._name, data) 
    54896 File
    54897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54898 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54899 if v.display: 
    54900 File
    54901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54902 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54903 return self._any_displayed_positions and len(self._positions) > 0 
    54904 TypeError: object of type 'NoneType' has no len() 
    54905  
    54906 During handling of the above exception, another exception occurred: 
    54907  
    54908 Traceback (most recent call last): 
    54909 File
    54910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54911 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54912 if not self.draw_new_frame(): 
    54913 File
    54914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54915 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54916 changed = view.check_for_drawing_change() 
    54917 File
    54918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54919 packages/chimerax/core/graphics/view.py", line 252, in
    54920 check_for_drawing_change 
    54921 trig.activate_trigger('graphics update', self) 
    54922 File
    54923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54924 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54925 trigger.activate(data) 
    54926 File
    54927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54928 packages/chimerax/core/triggerset.py", line 190, in activate 
    54929 ret = handler.invoke(data, self._remove_bad_handlers) 
    54930 File
    54931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54932 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54933 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    54934 File
    54935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54936 packages/chimerax/core/session.py", line 943, in <lambda> 
    54937 logger.report_exception(preface=preface)) 
    54938 File
    54939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54940 packages/chimerax/core/logger.py", line 421, in report_exception 
    54941 elif probably_chimera1_session(exc_info): 
    54942 File
    54943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54944 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54945 etype, evalue, etraceback = exc_info 
    54946 TypeError: cannot unpack non-iterable NoneType object 
    54947  
    54948 TypeError: cannot unpack non-iterable NoneType object 
    54949  
    54950 File
    54951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54952 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    54953 etype, evalue, etraceback = exc_info 
    54954  
    54955 See log for complete Python traceback. 
    54956  
    54957 Traceback (most recent call last): 
    54958 File
    54959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54960 packages/chimerax/core/triggerset.py", line 130, in invoke 
    54961 return self._func(self._name, data) 
    54962 File
    54963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54964 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    54965 if v.display: 
    54966 File
    54967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54968 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    54969 return self._any_displayed_positions and len(self._positions) > 0 
    54970 TypeError: object of type 'NoneType' has no len() 
    54971  
    54972 During handling of the above exception, another exception occurred: 
    54973  
    54974 Traceback (most recent call last): 
    54975 File
    54976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54977 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    54978 if not self.draw_new_frame(): 
    54979 File
    54980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54981 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    54982 changed = view.check_for_drawing_change() 
    54983 File
    54984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54985 packages/chimerax/core/graphics/view.py", line 252, in
    54986 check_for_drawing_change 
    54987 trig.activate_trigger('graphics update', self) 
    54988 File
    54989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54990 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    54991 trigger.activate(data) 
    54992 File
    54993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54994 packages/chimerax/core/triggerset.py", line 190, in activate 
    54995 ret = handler.invoke(data, self._remove_bad_handlers) 
    54996 File
    54997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    54998 packages/chimerax/core/triggerset.py", line 132, in invoke 
    54999 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55000 File
    55001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55002 packages/chimerax/core/session.py", line 943, in <lambda> 
    55003 logger.report_exception(preface=preface)) 
    55004 File
    55005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55006 packages/chimerax/core/logger.py", line 421, in report_exception 
    55007 elif probably_chimera1_session(exc_info): 
    55008 File
    55009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55010 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55011 etype, evalue, etraceback = exc_info 
    55012 TypeError: cannot unpack non-iterable NoneType object 
    55013  
    55014 TypeError: cannot unpack non-iterable NoneType object 
    55015  
    55016 File
    55017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55018 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55019 etype, evalue, etraceback = exc_info 
    55020  
    55021 See log for complete Python traceback. 
    55022  
    55023 Traceback (most recent call last): 
    55024 File
    55025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55026 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55027 return self._func(self._name, data) 
    55028 File
    55029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55030 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55031 if v.display: 
    55032 File
    55033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55034 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55035 return self._any_displayed_positions and len(self._positions) > 0 
    55036 TypeError: object of type 'NoneType' has no len() 
    55037  
    55038 During handling of the above exception, another exception occurred: 
    55039  
    55040 Traceback (most recent call last): 
    55041 File
    55042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55043 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55044 if not self.draw_new_frame(): 
    55045 File
    55046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55047 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55048 changed = view.check_for_drawing_change() 
    55049 File
    55050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55051 packages/chimerax/core/graphics/view.py", line 252, in
    55052 check_for_drawing_change 
    55053 trig.activate_trigger('graphics update', self) 
    55054 File
    55055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55056 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55057 trigger.activate(data) 
    55058 File
    55059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55060 packages/chimerax/core/triggerset.py", line 190, in activate 
    55061 ret = handler.invoke(data, self._remove_bad_handlers) 
    55062 File
    55063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55064 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55065 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55066 File
    55067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55068 packages/chimerax/core/session.py", line 943, in <lambda> 
    55069 logger.report_exception(preface=preface)) 
    55070 File
    55071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55072 packages/chimerax/core/logger.py", line 421, in report_exception 
    55073 elif probably_chimera1_session(exc_info): 
    55074 File
    55075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55076 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55077 etype, evalue, etraceback = exc_info 
    55078 TypeError: cannot unpack non-iterable NoneType object 
    55079  
    55080 TypeError: cannot unpack non-iterable NoneType object 
    55081  
    55082 File
    55083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55084 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55085 etype, evalue, etraceback = exc_info 
    55086  
    55087 See log for complete Python traceback. 
    55088  
    55089 Traceback (most recent call last): 
    55090 File
    55091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55092 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55093 return self._func(self._name, data) 
    55094 File
    55095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55096 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55097 if v.display: 
    55098 File
    55099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55100 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55101 return self._any_displayed_positions and len(self._positions) > 0 
    55102 TypeError: object of type 'NoneType' has no len() 
    55103  
    55104 During handling of the above exception, another exception occurred: 
    55105  
    55106 Traceback (most recent call last): 
    55107 File
    55108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55109 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55110 if not self.draw_new_frame(): 
    55111 File
    55112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55113 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55114 changed = view.check_for_drawing_change() 
    55115 File
    55116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55117 packages/chimerax/core/graphics/view.py", line 252, in
    55118 check_for_drawing_change 
    55119 trig.activate_trigger('graphics update', self) 
    55120 File
    55121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55122 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55123 trigger.activate(data) 
    55124 File
    55125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55126 packages/chimerax/core/triggerset.py", line 190, in activate 
    55127 ret = handler.invoke(data, self._remove_bad_handlers) 
    55128 File
    55129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55130 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55131 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55132 File
    55133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55134 packages/chimerax/core/session.py", line 943, in <lambda> 
    55135 logger.report_exception(preface=preface)) 
    55136 File
    55137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55138 packages/chimerax/core/logger.py", line 421, in report_exception 
    55139 elif probably_chimera1_session(exc_info): 
    55140 File
    55141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55142 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55143 etype, evalue, etraceback = exc_info 
    55144 TypeError: cannot unpack non-iterable NoneType object 
    55145  
    55146 TypeError: cannot unpack non-iterable NoneType object 
    55147  
    55148 File
    55149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55150 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55151 etype, evalue, etraceback = exc_info 
    55152  
    55153 See log for complete Python traceback. 
    55154  
    55155 Traceback (most recent call last): 
    55156 File
    55157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55158 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55159 return self._func(self._name, data) 
    55160 File
    55161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55162 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55163 if v.display: 
    55164 File
    55165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55166 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55167 return self._any_displayed_positions and len(self._positions) > 0 
    55168 TypeError: object of type 'NoneType' has no len() 
    55169  
    55170 During handling of the above exception, another exception occurred: 
    55171  
    55172 Traceback (most recent call last): 
    55173 File
    55174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55175 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55176 if not self.draw_new_frame(): 
    55177 File
    55178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55179 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55180 changed = view.check_for_drawing_change() 
    55181 File
    55182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55183 packages/chimerax/core/graphics/view.py", line 252, in
    55184 check_for_drawing_change 
    55185 trig.activate_trigger('graphics update', self) 
    55186 File
    55187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55188 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55189 trigger.activate(data) 
    55190 File
    55191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55192 packages/chimerax/core/triggerset.py", line 190, in activate 
    55193 ret = handler.invoke(data, self._remove_bad_handlers) 
    55194 File
    55195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55196 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55197 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55198 File
    55199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55200 packages/chimerax/core/session.py", line 943, in <lambda> 
    55201 logger.report_exception(preface=preface)) 
    55202 File
    55203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55204 packages/chimerax/core/logger.py", line 421, in report_exception 
    55205 elif probably_chimera1_session(exc_info): 
    55206 File
    55207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55208 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55209 etype, evalue, etraceback = exc_info 
    55210 TypeError: cannot unpack non-iterable NoneType object 
    55211  
    55212 TypeError: cannot unpack non-iterable NoneType object 
    55213  
    55214 File
    55215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55216 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55217 etype, evalue, etraceback = exc_info 
    55218  
    55219 See log for complete Python traceback. 
    55220  
    55221 Traceback (most recent call last): 
    55222 File
    55223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55224 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55225 return self._func(self._name, data) 
    55226 File
    55227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55228 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55229 if v.display: 
    55230 File
    55231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55232 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55233 return self._any_displayed_positions and len(self._positions) > 0 
    55234 TypeError: object of type 'NoneType' has no len() 
    55235  
    55236 During handling of the above exception, another exception occurred: 
    55237  
    55238 Traceback (most recent call last): 
    55239 File
    55240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55241 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55242 if not self.draw_new_frame(): 
    55243 File
    55244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55245 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55246 changed = view.check_for_drawing_change() 
    55247 File
    55248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55249 packages/chimerax/core/graphics/view.py", line 252, in
    55250 check_for_drawing_change 
    55251 trig.activate_trigger('graphics update', self) 
    55252 File
    55253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55254 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55255 trigger.activate(data) 
    55256 File
    55257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55258 packages/chimerax/core/triggerset.py", line 190, in activate 
    55259 ret = handler.invoke(data, self._remove_bad_handlers) 
    55260 File
    55261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55262 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55263 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55264 File
    55265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55266 packages/chimerax/core/session.py", line 943, in <lambda> 
    55267 logger.report_exception(preface=preface)) 
    55268 File
    55269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55270 packages/chimerax/core/logger.py", line 421, in report_exception 
    55271 elif probably_chimera1_session(exc_info): 
    55272 File
    55273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55274 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55275 etype, evalue, etraceback = exc_info 
    55276 TypeError: cannot unpack non-iterable NoneType object 
    55277  
    55278 TypeError: cannot unpack non-iterable NoneType object 
    55279  
    55280 File
    55281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55282 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55283 etype, evalue, etraceback = exc_info 
    55284  
    55285 See log for complete Python traceback. 
    55286  
    55287 Traceback (most recent call last): 
    55288 File
    55289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55290 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55291 return self._func(self._name, data) 
    55292 File
    55293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55294 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55295 if v.display: 
    55296 File
    55297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55298 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55299 return self._any_displayed_positions and len(self._positions) > 0 
    55300 TypeError: object of type 'NoneType' has no len() 
    55301  
    55302 During handling of the above exception, another exception occurred: 
    55303  
    55304 Traceback (most recent call last): 
    55305 File
    55306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55307 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55308 if not self.draw_new_frame(): 
    55309 File
    55310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55311 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55312 changed = view.check_for_drawing_change() 
    55313 File
    55314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55315 packages/chimerax/core/graphics/view.py", line 252, in
    55316 check_for_drawing_change 
    55317 trig.activate_trigger('graphics update', self) 
    55318 File
    55319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55320 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55321 trigger.activate(data) 
    55322 File
    55323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55324 packages/chimerax/core/triggerset.py", line 190, in activate 
    55325 ret = handler.invoke(data, self._remove_bad_handlers) 
    55326 File
    55327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55328 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55329 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55330 File
    55331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55332 packages/chimerax/core/session.py", line 943, in <lambda> 
    55333 logger.report_exception(preface=preface)) 
    55334 File
    55335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55336 packages/chimerax/core/logger.py", line 421, in report_exception 
    55337 elif probably_chimera1_session(exc_info): 
    55338 File
    55339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55340 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55341 etype, evalue, etraceback = exc_info 
    55342 TypeError: cannot unpack non-iterable NoneType object 
    55343  
    55344 TypeError: cannot unpack non-iterable NoneType object 
    55345  
    55346 File
    55347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55348 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55349 etype, evalue, etraceback = exc_info 
    55350  
    55351 See log for complete Python traceback. 
    55352  
    55353 Traceback (most recent call last): 
    55354 File
    55355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55356 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55357 return self._func(self._name, data) 
    55358 File
    55359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55360 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55361 if v.display: 
    55362 File
    55363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55364 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55365 return self._any_displayed_positions and len(self._positions) > 0 
    55366 TypeError: object of type 'NoneType' has no len() 
    55367  
    55368 During handling of the above exception, another exception occurred: 
    55369  
    55370 Traceback (most recent call last): 
    55371 File
    55372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55373 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55374 if not self.draw_new_frame(): 
    55375 File
    55376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55377 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55378 changed = view.check_for_drawing_change() 
    55379 File
    55380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55381 packages/chimerax/core/graphics/view.py", line 252, in
    55382 check_for_drawing_change 
    55383 trig.activate_trigger('graphics update', self) 
    55384 File
    55385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55386 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55387 trigger.activate(data) 
    55388 File
    55389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55390 packages/chimerax/core/triggerset.py", line 190, in activate 
    55391 ret = handler.invoke(data, self._remove_bad_handlers) 
    55392 File
    55393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55394 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55395 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55396 File
    55397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55398 packages/chimerax/core/session.py", line 943, in <lambda> 
    55399 logger.report_exception(preface=preface)) 
    55400 File
    55401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55402 packages/chimerax/core/logger.py", line 421, in report_exception 
    55403 elif probably_chimera1_session(exc_info): 
    55404 File
    55405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55406 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55407 etype, evalue, etraceback = exc_info 
    55408 TypeError: cannot unpack non-iterable NoneType object 
    55409  
    55410 TypeError: cannot unpack non-iterable NoneType object 
    55411  
    55412 File
    55413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55414 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55415 etype, evalue, etraceback = exc_info 
    55416  
    55417 See log for complete Python traceback. 
    55418  
    55419 Traceback (most recent call last): 
    55420 File
    55421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55422 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55423 return self._func(self._name, data) 
    55424 File
    55425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55426 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55427 if v.display: 
    55428 File
    55429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55430 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55431 return self._any_displayed_positions and len(self._positions) > 0 
    55432 TypeError: object of type 'NoneType' has no len() 
    55433  
    55434 During handling of the above exception, another exception occurred: 
    55435  
    55436 Traceback (most recent call last): 
    55437 File
    55438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55439 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55440 if not self.draw_new_frame(): 
    55441 File
    55442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55443 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55444 changed = view.check_for_drawing_change() 
    55445 File
    55446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55447 packages/chimerax/core/graphics/view.py", line 252, in
    55448 check_for_drawing_change 
    55449 trig.activate_trigger('graphics update', self) 
    55450 File
    55451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55452 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55453 trigger.activate(data) 
    55454 File
    55455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55456 packages/chimerax/core/triggerset.py", line 190, in activate 
    55457 ret = handler.invoke(data, self._remove_bad_handlers) 
    55458 File
    55459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55460 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55461 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55462 File
    55463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55464 packages/chimerax/core/session.py", line 943, in <lambda> 
    55465 logger.report_exception(preface=preface)) 
    55466 File
    55467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55468 packages/chimerax/core/logger.py", line 421, in report_exception 
    55469 elif probably_chimera1_session(exc_info): 
    55470 File
    55471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55472 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55473 etype, evalue, etraceback = exc_info 
    55474 TypeError: cannot unpack non-iterable NoneType object 
    55475  
    55476 TypeError: cannot unpack non-iterable NoneType object 
    55477  
    55478 File
    55479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55480 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55481 etype, evalue, etraceback = exc_info 
    55482  
    55483 See log for complete Python traceback. 
    55484  
    55485 Traceback (most recent call last): 
    55486 File
    55487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55488 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55489 return self._func(self._name, data) 
    55490 File
    55491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55492 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55493 if v.display: 
    55494 File
    55495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55496 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55497 return self._any_displayed_positions and len(self._positions) > 0 
    55498 TypeError: object of type 'NoneType' has no len() 
    55499  
    55500 During handling of the above exception, another exception occurred: 
    55501  
    55502 Traceback (most recent call last): 
    55503 File
    55504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55505 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55506 if not self.draw_new_frame(): 
    55507 File
    55508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55509 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55510 changed = view.check_for_drawing_change() 
    55511 File
    55512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55513 packages/chimerax/core/graphics/view.py", line 252, in
    55514 check_for_drawing_change 
    55515 trig.activate_trigger('graphics update', self) 
    55516 File
    55517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55518 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55519 trigger.activate(data) 
    55520 File
    55521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55522 packages/chimerax/core/triggerset.py", line 190, in activate 
    55523 ret = handler.invoke(data, self._remove_bad_handlers) 
    55524 File
    55525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55526 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55527 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55528 File
    55529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55530 packages/chimerax/core/session.py", line 943, in <lambda> 
    55531 logger.report_exception(preface=preface)) 
    55532 File
    55533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55534 packages/chimerax/core/logger.py", line 421, in report_exception 
    55535 elif probably_chimera1_session(exc_info): 
    55536 File
    55537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55538 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55539 etype, evalue, etraceback = exc_info 
    55540 TypeError: cannot unpack non-iterable NoneType object 
    55541  
    55542 TypeError: cannot unpack non-iterable NoneType object 
    55543  
    55544 File
    55545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55546 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55547 etype, evalue, etraceback = exc_info 
    55548  
    55549 See log for complete Python traceback. 
    55550  
    55551 Traceback (most recent call last): 
    55552 File
    55553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55554 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55555 return self._func(self._name, data) 
    55556 File
    55557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55558 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55559 if v.display: 
    55560 File
    55561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55562 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55563 return self._any_displayed_positions and len(self._positions) > 0 
    55564 TypeError: object of type 'NoneType' has no len() 
    55565  
    55566 During handling of the above exception, another exception occurred: 
    55567  
    55568 Traceback (most recent call last): 
    55569 File
    55570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55571 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55572 if not self.draw_new_frame(): 
    55573 File
    55574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55575 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55576 changed = view.check_for_drawing_change() 
    55577 File
    55578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55579 packages/chimerax/core/graphics/view.py", line 252, in
    55580 check_for_drawing_change 
    55581 trig.activate_trigger('graphics update', self) 
    55582 File
    55583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55584 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55585 trigger.activate(data) 
    55586 File
    55587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55588 packages/chimerax/core/triggerset.py", line 190, in activate 
    55589 ret = handler.invoke(data, self._remove_bad_handlers) 
    55590 File
    55591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55592 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55593 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55594 File
    55595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55596 packages/chimerax/core/session.py", line 943, in <lambda> 
    55597 logger.report_exception(preface=preface)) 
    55598 File
    55599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55600 packages/chimerax/core/logger.py", line 421, in report_exception 
    55601 elif probably_chimera1_session(exc_info): 
    55602 File
    55603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55604 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55605 etype, evalue, etraceback = exc_info 
    55606 TypeError: cannot unpack non-iterable NoneType object 
    55607  
    55608 TypeError: cannot unpack non-iterable NoneType object 
    55609  
    55610 File
    55611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55612 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55613 etype, evalue, etraceback = exc_info 
    55614  
    55615 See log for complete Python traceback. 
    55616  
    55617 Traceback (most recent call last): 
    55618 File
    55619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55620 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55621 return self._func(self._name, data) 
    55622 File
    55623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55624 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55625 if v.display: 
    55626 File
    55627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55628 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55629 return self._any_displayed_positions and len(self._positions) > 0 
    55630 TypeError: object of type 'NoneType' has no len() 
    55631  
    55632 During handling of the above exception, another exception occurred: 
    55633  
    55634 Traceback (most recent call last): 
    55635 File
    55636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55637 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55638 if not self.draw_new_frame(): 
    55639 File
    55640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55641 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55642 changed = view.check_for_drawing_change() 
    55643 File
    55644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55645 packages/chimerax/core/graphics/view.py", line 252, in
    55646 check_for_drawing_change 
    55647 trig.activate_trigger('graphics update', self) 
    55648 File
    55649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55650 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55651 trigger.activate(data) 
    55652 File
    55653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55654 packages/chimerax/core/triggerset.py", line 190, in activate 
    55655 ret = handler.invoke(data, self._remove_bad_handlers) 
    55656 File
    55657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55658 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55659 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55660 File
    55661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55662 packages/chimerax/core/session.py", line 943, in <lambda> 
    55663 logger.report_exception(preface=preface)) 
    55664 File
    55665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55666 packages/chimerax/core/logger.py", line 421, in report_exception 
    55667 elif probably_chimera1_session(exc_info): 
    55668 File
    55669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55670 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55671 etype, evalue, etraceback = exc_info 
    55672 TypeError: cannot unpack non-iterable NoneType object 
    55673  
    55674 TypeError: cannot unpack non-iterable NoneType object 
    55675  
    55676 File
    55677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55678 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55679 etype, evalue, etraceback = exc_info 
    55680  
    55681 See log for complete Python traceback. 
    55682  
    55683 Traceback (most recent call last): 
    55684 File
    55685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55686 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55687 return self._func(self._name, data) 
    55688 File
    55689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55690 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55691 if v.display: 
    55692 File
    55693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55694 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55695 return self._any_displayed_positions and len(self._positions) > 0 
    55696 TypeError: object of type 'NoneType' has no len() 
    55697  
    55698 During handling of the above exception, another exception occurred: 
    55699  
    55700 Traceback (most recent call last): 
    55701 File
    55702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55703 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55704 if not self.draw_new_frame(): 
    55705 File
    55706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55707 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55708 changed = view.check_for_drawing_change() 
    55709 File
    55710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55711 packages/chimerax/core/graphics/view.py", line 252, in
    55712 check_for_drawing_change 
    55713 trig.activate_trigger('graphics update', self) 
    55714 File
    55715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55716 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55717 trigger.activate(data) 
    55718 File
    55719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55720 packages/chimerax/core/triggerset.py", line 190, in activate 
    55721 ret = handler.invoke(data, self._remove_bad_handlers) 
    55722 File
    55723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55724 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55725 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55726 File
    55727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55728 packages/chimerax/core/session.py", line 943, in <lambda> 
    55729 logger.report_exception(preface=preface)) 
    55730 File
    55731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55732 packages/chimerax/core/logger.py", line 421, in report_exception 
    55733 elif probably_chimera1_session(exc_info): 
    55734 File
    55735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55736 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55737 etype, evalue, etraceback = exc_info 
    55738 TypeError: cannot unpack non-iterable NoneType object 
    55739  
    55740 TypeError: cannot unpack non-iterable NoneType object 
    55741  
    55742 File
    55743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55744 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55745 etype, evalue, etraceback = exc_info 
    55746  
    55747 See log for complete Python traceback. 
    55748  
    55749 Traceback (most recent call last): 
    55750 File
    55751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55752 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55753 return self._func(self._name, data) 
    55754 File
    55755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55756 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55757 if v.display: 
    55758 File
    55759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55760 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55761 return self._any_displayed_positions and len(self._positions) > 0 
    55762 TypeError: object of type 'NoneType' has no len() 
    55763  
    55764 During handling of the above exception, another exception occurred: 
    55765  
    55766 Traceback (most recent call last): 
    55767 File
    55768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55769 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55770 if not self.draw_new_frame(): 
    55771 File
    55772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55773 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55774 changed = view.check_for_drawing_change() 
    55775 File
    55776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55777 packages/chimerax/core/graphics/view.py", line 252, in
    55778 check_for_drawing_change 
    55779 trig.activate_trigger('graphics update', self) 
    55780 File
    55781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55782 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55783 trigger.activate(data) 
    55784 File
    55785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55786 packages/chimerax/core/triggerset.py", line 190, in activate 
    55787 ret = handler.invoke(data, self._remove_bad_handlers) 
    55788 File
    55789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55790 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55791 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55792 File
    55793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55794 packages/chimerax/core/session.py", line 943, in <lambda> 
    55795 logger.report_exception(preface=preface)) 
    55796 File
    55797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55798 packages/chimerax/core/logger.py", line 421, in report_exception 
    55799 elif probably_chimera1_session(exc_info): 
    55800 File
    55801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55802 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55803 etype, evalue, etraceback = exc_info 
    55804 TypeError: cannot unpack non-iterable NoneType object 
    55805  
    55806 TypeError: cannot unpack non-iterable NoneType object 
    55807  
    55808 File
    55809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55810 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55811 etype, evalue, etraceback = exc_info 
    55812  
    55813 See log for complete Python traceback. 
    55814  
    55815 Traceback (most recent call last): 
    55816 File
    55817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55819 return self._func(self._name, data) 
    55820 File
    55821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55822 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55823 if v.display: 
    55824 File
    55825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55826 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55827 return self._any_displayed_positions and len(self._positions) > 0 
    55828 TypeError: object of type 'NoneType' has no len() 
    55829  
    55830 During handling of the above exception, another exception occurred: 
    55831  
    55832 Traceback (most recent call last): 
    55833 File
    55834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55835 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55836 if not self.draw_new_frame(): 
    55837 File
    55838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55839 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55840 changed = view.check_for_drawing_change() 
    55841 File
    55842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55843 packages/chimerax/core/graphics/view.py", line 252, in
    55844 check_for_drawing_change 
    55845 trig.activate_trigger('graphics update', self) 
    55846 File
    55847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55848 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55849 trigger.activate(data) 
    55850 File
    55851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55852 packages/chimerax/core/triggerset.py", line 190, in activate 
    55853 ret = handler.invoke(data, self._remove_bad_handlers) 
    55854 File
    55855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55856 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55857 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55858 File
    55859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55860 packages/chimerax/core/session.py", line 943, in <lambda> 
    55861 logger.report_exception(preface=preface)) 
    55862 File
    55863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55864 packages/chimerax/core/logger.py", line 421, in report_exception 
    55865 elif probably_chimera1_session(exc_info): 
    55866 File
    55867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55868 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55869 etype, evalue, etraceback = exc_info 
    55870 TypeError: cannot unpack non-iterable NoneType object 
    55871  
    55872 TypeError: cannot unpack non-iterable NoneType object 
    55873  
    55874 File
    55875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55876 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55877 etype, evalue, etraceback = exc_info 
    55878  
    55879 See log for complete Python traceback. 
    55880  
    55881 Traceback (most recent call last): 
    55882 File
    55883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55884 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55885 return self._func(self._name, data) 
    55886 File
    55887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55888 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55889 if v.display: 
    55890 File
    55891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55892 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55893 return self._any_displayed_positions and len(self._positions) > 0 
    55894 TypeError: object of type 'NoneType' has no len() 
    55895  
    55896 During handling of the above exception, another exception occurred: 
    55897  
    55898 Traceback (most recent call last): 
    55899 File
    55900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55901 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55902 if not self.draw_new_frame(): 
    55903 File
    55904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55905 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55906 changed = view.check_for_drawing_change() 
    55907 File
    55908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55909 packages/chimerax/core/graphics/view.py", line 252, in
    55910 check_for_drawing_change 
    55911 trig.activate_trigger('graphics update', self) 
    55912 File
    55913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55914 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55915 trigger.activate(data) 
    55916 File
    55917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55918 packages/chimerax/core/triggerset.py", line 190, in activate 
    55919 ret = handler.invoke(data, self._remove_bad_handlers) 
    55920 File
    55921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55922 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55923 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55924 File
    55925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55926 packages/chimerax/core/session.py", line 943, in <lambda> 
    55927 logger.report_exception(preface=preface)) 
    55928 File
    55929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55930 packages/chimerax/core/logger.py", line 421, in report_exception 
    55931 elif probably_chimera1_session(exc_info): 
    55932 File
    55933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55934 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55935 etype, evalue, etraceback = exc_info 
    55936 TypeError: cannot unpack non-iterable NoneType object 
    55937  
    55938 TypeError: cannot unpack non-iterable NoneType object 
    55939  
    55940 File
    55941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55942 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    55943 etype, evalue, etraceback = exc_info 
    55944  
    55945 See log for complete Python traceback. 
    55946  
    55947 Traceback (most recent call last): 
    55948 File
    55949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55950 packages/chimerax/core/triggerset.py", line 130, in invoke 
    55951 return self._func(self._name, data) 
    55952 File
    55953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55954 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    55955 if v.display: 
    55956 File
    55957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55958 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    55959 return self._any_displayed_positions and len(self._positions) > 0 
    55960 TypeError: object of type 'NoneType' has no len() 
    55961  
    55962 During handling of the above exception, another exception occurred: 
    55963  
    55964 Traceback (most recent call last): 
    55965 File
    55966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55967 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    55968 if not self.draw_new_frame(): 
    55969 File
    55970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55971 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    55972 changed = view.check_for_drawing_change() 
    55973 File
    55974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55975 packages/chimerax/core/graphics/view.py", line 252, in
    55976 check_for_drawing_change 
    55977 trig.activate_trigger('graphics update', self) 
    55978 File
    55979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55980 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    55981 trigger.activate(data) 
    55982 File
    55983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55984 packages/chimerax/core/triggerset.py", line 190, in activate 
    55985 ret = handler.invoke(data, self._remove_bad_handlers) 
    55986 File
    55987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55988 packages/chimerax/core/triggerset.py", line 132, in invoke 
    55989 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    55990 File
    55991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55992 packages/chimerax/core/session.py", line 943, in <lambda> 
    55993 logger.report_exception(preface=preface)) 
    55994 File
    55995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    55996 packages/chimerax/core/logger.py", line 421, in report_exception 
    55997 elif probably_chimera1_session(exc_info): 
    55998 File
    55999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56000 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56001 etype, evalue, etraceback = exc_info 
    56002 TypeError: cannot unpack non-iterable NoneType object 
    56003  
    56004 TypeError: cannot unpack non-iterable NoneType object 
    56005  
    56006 File
    56007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56008 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56009 etype, evalue, etraceback = exc_info 
    56010  
    56011 See log for complete Python traceback. 
    56012  
    56013 Traceback (most recent call last): 
    56014 File
    56015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56016 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56017 return self._func(self._name, data) 
    56018 File
    56019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56020 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56021 if v.display: 
    56022 File
    56023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56024 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56025 return self._any_displayed_positions and len(self._positions) > 0 
    56026 TypeError: object of type 'NoneType' has no len() 
    56027  
    56028 During handling of the above exception, another exception occurred: 
    56029  
    56030 Traceback (most recent call last): 
    56031 File
    56032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56033 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56034 if not self.draw_new_frame(): 
    56035 File
    56036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56037 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56038 changed = view.check_for_drawing_change() 
    56039 File
    56040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56041 packages/chimerax/core/graphics/view.py", line 252, in
    56042 check_for_drawing_change 
    56043 trig.activate_trigger('graphics update', self) 
    56044 File
    56045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56046 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56047 trigger.activate(data) 
    56048 File
    56049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56050 packages/chimerax/core/triggerset.py", line 190, in activate 
    56051 ret = handler.invoke(data, self._remove_bad_handlers) 
    56052 File
    56053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56054 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56055 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56056 File
    56057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56058 packages/chimerax/core/session.py", line 943, in <lambda> 
    56059 logger.report_exception(preface=preface)) 
    56060 File
    56061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56062 packages/chimerax/core/logger.py", line 421, in report_exception 
    56063 elif probably_chimera1_session(exc_info): 
    56064 File
    56065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56066 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56067 etype, evalue, etraceback = exc_info 
    56068 TypeError: cannot unpack non-iterable NoneType object 
    56069  
    56070 TypeError: cannot unpack non-iterable NoneType object 
    56071  
    56072 File
    56073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56074 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56075 etype, evalue, etraceback = exc_info 
    56076  
    56077 See log for complete Python traceback. 
    56078  
    56079 Traceback (most recent call last): 
    56080 File
    56081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56082 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56083 return self._func(self._name, data) 
    56084 File
    56085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56086 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56087 if v.display: 
    56088 File
    56089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56090 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56091 return self._any_displayed_positions and len(self._positions) > 0 
    56092 TypeError: object of type 'NoneType' has no len() 
    56093  
    56094 During handling of the above exception, another exception occurred: 
    56095  
    56096 Traceback (most recent call last): 
    56097 File
    56098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56099 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56100 if not self.draw_new_frame(): 
    56101 File
    56102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56103 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56104 changed = view.check_for_drawing_change() 
    56105 File
    56106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56107 packages/chimerax/core/graphics/view.py", line 252, in
    56108 check_for_drawing_change 
    56109 trig.activate_trigger('graphics update', self) 
    56110 File
    56111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56112 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56113 trigger.activate(data) 
    56114 File
    56115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56116 packages/chimerax/core/triggerset.py", line 190, in activate 
    56117 ret = handler.invoke(data, self._remove_bad_handlers) 
    56118 File
    56119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56120 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56121 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56122 File
    56123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56124 packages/chimerax/core/session.py", line 943, in <lambda> 
    56125 logger.report_exception(preface=preface)) 
    56126 File
    56127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56128 packages/chimerax/core/logger.py", line 421, in report_exception 
    56129 elif probably_chimera1_session(exc_info): 
    56130 File
    56131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56132 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56133 etype, evalue, etraceback = exc_info 
    56134 TypeError: cannot unpack non-iterable NoneType object 
    56135  
    56136 TypeError: cannot unpack non-iterable NoneType object 
    56137  
    56138 File
    56139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56140 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56141 etype, evalue, etraceback = exc_info 
    56142  
    56143 See log for complete Python traceback. 
    56144  
    56145 Traceback (most recent call last): 
    56146 File
    56147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56148 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56149 return self._func(self._name, data) 
    56150 File
    56151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56152 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56153 if v.display: 
    56154 File
    56155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56156 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56157 return self._any_displayed_positions and len(self._positions) > 0 
    56158 TypeError: object of type 'NoneType' has no len() 
    56159  
    56160 During handling of the above exception, another exception occurred: 
    56161  
    56162 Traceback (most recent call last): 
    56163 File
    56164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56165 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56166 if not self.draw_new_frame(): 
    56167 File
    56168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56169 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56170 changed = view.check_for_drawing_change() 
    56171 File
    56172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56173 packages/chimerax/core/graphics/view.py", line 252, in
    56174 check_for_drawing_change 
    56175 trig.activate_trigger('graphics update', self) 
    56176 File
    56177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56178 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56179 trigger.activate(data) 
    56180 File
    56181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56182 packages/chimerax/core/triggerset.py", line 190, in activate 
    56183 ret = handler.invoke(data, self._remove_bad_handlers) 
    56184 File
    56185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56186 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56187 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56188 File
    56189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56190 packages/chimerax/core/session.py", line 943, in <lambda> 
    56191 logger.report_exception(preface=preface)) 
    56192 File
    56193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56194 packages/chimerax/core/logger.py", line 421, in report_exception 
    56195 elif probably_chimera1_session(exc_info): 
    56196 File
    56197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56198 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56199 etype, evalue, etraceback = exc_info 
    56200 TypeError: cannot unpack non-iterable NoneType object 
    56201  
    56202 TypeError: cannot unpack non-iterable NoneType object 
    56203  
    56204 File
    56205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56206 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56207 etype, evalue, etraceback = exc_info 
    56208  
    56209 See log for complete Python traceback. 
    56210  
    56211 Traceback (most recent call last): 
    56212 File
    56213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56214 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56215 return self._func(self._name, data) 
    56216 File
    56217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56218 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56219 if v.display: 
    56220 File
    56221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56222 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56223 return self._any_displayed_positions and len(self._positions) > 0 
    56224 TypeError: object of type 'NoneType' has no len() 
    56225  
    56226 During handling of the above exception, another exception occurred: 
    56227  
    56228 Traceback (most recent call last): 
    56229 File
    56230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56231 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56232 if not self.draw_new_frame(): 
    56233 File
    56234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56235 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56236 changed = view.check_for_drawing_change() 
    56237 File
    56238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56239 packages/chimerax/core/graphics/view.py", line 252, in
    56240 check_for_drawing_change 
    56241 trig.activate_trigger('graphics update', self) 
    56242 File
    56243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56244 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56245 trigger.activate(data) 
    56246 File
    56247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56248 packages/chimerax/core/triggerset.py", line 190, in activate 
    56249 ret = handler.invoke(data, self._remove_bad_handlers) 
    56250 File
    56251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56252 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56253 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56254 File
    56255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56256 packages/chimerax/core/session.py", line 943, in <lambda> 
    56257 logger.report_exception(preface=preface)) 
    56258 File
    56259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56260 packages/chimerax/core/logger.py", line 421, in report_exception 
    56261 elif probably_chimera1_session(exc_info): 
    56262 File
    56263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56264 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56265 etype, evalue, etraceback = exc_info 
    56266 TypeError: cannot unpack non-iterable NoneType object 
    56267  
    56268 TypeError: cannot unpack non-iterable NoneType object 
    56269  
    56270 File
    56271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56272 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56273 etype, evalue, etraceback = exc_info 
    56274  
    56275 See log for complete Python traceback. 
    56276  
    56277 Traceback (most recent call last): 
    56278 File
    56279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56280 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56281 return self._func(self._name, data) 
    56282 File
    56283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56284 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56285 if v.display: 
    56286 File
    56287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56288 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56289 return self._any_displayed_positions and len(self._positions) > 0 
    56290 TypeError: object of type 'NoneType' has no len() 
    56291  
    56292 During handling of the above exception, another exception occurred: 
    56293  
    56294 Traceback (most recent call last): 
    56295 File
    56296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56297 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56298 if not self.draw_new_frame(): 
    56299 File
    56300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56301 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56302 changed = view.check_for_drawing_change() 
    56303 File
    56304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56305 packages/chimerax/core/graphics/view.py", line 252, in
    56306 check_for_drawing_change 
    56307 trig.activate_trigger('graphics update', self) 
    56308 File
    56309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56310 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56311 trigger.activate(data) 
    56312 File
    56313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56314 packages/chimerax/core/triggerset.py", line 190, in activate 
    56315 ret = handler.invoke(data, self._remove_bad_handlers) 
    56316 File
    56317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56318 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56319 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56320 File
    56321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56322 packages/chimerax/core/session.py", line 943, in <lambda> 
    56323 logger.report_exception(preface=preface)) 
    56324 File
    56325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56326 packages/chimerax/core/logger.py", line 421, in report_exception 
    56327 elif probably_chimera1_session(exc_info): 
    56328 File
    56329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56330 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56331 etype, evalue, etraceback = exc_info 
    56332 TypeError: cannot unpack non-iterable NoneType object 
    56333  
    56334 TypeError: cannot unpack non-iterable NoneType object 
    56335  
    56336 File
    56337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56338 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56339 etype, evalue, etraceback = exc_info 
    56340  
    56341 See log for complete Python traceback. 
    56342  
    56343 Traceback (most recent call last): 
    56344 File
    56345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56346 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56347 return self._func(self._name, data) 
    56348 File
    56349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56350 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56351 if v.display: 
    56352 File
    56353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56354 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56355 return self._any_displayed_positions and len(self._positions) > 0 
    56356 TypeError: object of type 'NoneType' has no len() 
    56357  
    56358 During handling of the above exception, another exception occurred: 
    56359  
    56360 Traceback (most recent call last): 
    56361 File
    56362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56363 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56364 if not self.draw_new_frame(): 
    56365 File
    56366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56367 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56368 changed = view.check_for_drawing_change() 
    56369 File
    56370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56371 packages/chimerax/core/graphics/view.py", line 252, in
    56372 check_for_drawing_change 
    56373 trig.activate_trigger('graphics update', self) 
    56374 File
    56375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56376 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56377 trigger.activate(data) 
    56378 File
    56379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56380 packages/chimerax/core/triggerset.py", line 190, in activate 
    56381 ret = handler.invoke(data, self._remove_bad_handlers) 
    56382 File
    56383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56384 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56385 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56386 File
    56387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56388 packages/chimerax/core/session.py", line 943, in <lambda> 
    56389 logger.report_exception(preface=preface)) 
    56390 File
    56391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56392 packages/chimerax/core/logger.py", line 421, in report_exception 
    56393 elif probably_chimera1_session(exc_info): 
    56394 File
    56395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56396 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56397 etype, evalue, etraceback = exc_info 
    56398 TypeError: cannot unpack non-iterable NoneType object 
    56399  
    56400 TypeError: cannot unpack non-iterable NoneType object 
    56401  
    56402 File
    56403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56404 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56405 etype, evalue, etraceback = exc_info 
    56406  
    56407 See log for complete Python traceback. 
    56408  
    56409 Traceback (most recent call last): 
    56410 File
    56411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56412 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56413 return self._func(self._name, data) 
    56414 File
    56415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56416 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56417 if v.display: 
    56418 File
    56419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56420 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56421 return self._any_displayed_positions and len(self._positions) > 0 
    56422 TypeError: object of type 'NoneType' has no len() 
    56423  
    56424 During handling of the above exception, another exception occurred: 
    56425  
    56426 Traceback (most recent call last): 
    56427 File
    56428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56429 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56430 if not self.draw_new_frame(): 
    56431 File
    56432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56433 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56434 changed = view.check_for_drawing_change() 
    56435 File
    56436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56437 packages/chimerax/core/graphics/view.py", line 252, in
    56438 check_for_drawing_change 
    56439 trig.activate_trigger('graphics update', self) 
    56440 File
    56441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56442 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56443 trigger.activate(data) 
    56444 File
    56445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56446 packages/chimerax/core/triggerset.py", line 190, in activate 
    56447 ret = handler.invoke(data, self._remove_bad_handlers) 
    56448 File
    56449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56450 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56451 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56452 File
    56453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56454 packages/chimerax/core/session.py", line 943, in <lambda> 
    56455 logger.report_exception(preface=preface)) 
    56456 File
    56457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56458 packages/chimerax/core/logger.py", line 421, in report_exception 
    56459 elif probably_chimera1_session(exc_info): 
    56460 File
    56461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56462 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56463 etype, evalue, etraceback = exc_info 
    56464 TypeError: cannot unpack non-iterable NoneType object 
    56465  
    56466 TypeError: cannot unpack non-iterable NoneType object 
    56467  
    56468 File
    56469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56470 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56471 etype, evalue, etraceback = exc_info 
    56472  
    56473 See log for complete Python traceback. 
    56474  
    56475 Traceback (most recent call last): 
    56476 File
    56477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56478 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56479 return self._func(self._name, data) 
    56480 File
    56481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56482 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56483 if v.display: 
    56484 File
    56485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56486 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56487 return self._any_displayed_positions and len(self._positions) > 0 
    56488 TypeError: object of type 'NoneType' has no len() 
    56489  
    56490 During handling of the above exception, another exception occurred: 
    56491  
    56492 Traceback (most recent call last): 
    56493 File
    56494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56495 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56496 if not self.draw_new_frame(): 
    56497 File
    56498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56499 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56500 changed = view.check_for_drawing_change() 
    56501 File
    56502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56503 packages/chimerax/core/graphics/view.py", line 252, in
    56504 check_for_drawing_change 
    56505 trig.activate_trigger('graphics update', self) 
    56506 File
    56507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56508 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56509 trigger.activate(data) 
    56510 File
    56511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56512 packages/chimerax/core/triggerset.py", line 190, in activate 
    56513 ret = handler.invoke(data, self._remove_bad_handlers) 
    56514 File
    56515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56516 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56517 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56518 File
    56519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56520 packages/chimerax/core/session.py", line 943, in <lambda> 
    56521 logger.report_exception(preface=preface)) 
    56522 File
    56523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56524 packages/chimerax/core/logger.py", line 421, in report_exception 
    56525 elif probably_chimera1_session(exc_info): 
    56526 File
    56527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56528 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56529 etype, evalue, etraceback = exc_info 
    56530 TypeError: cannot unpack non-iterable NoneType object 
    56531  
    56532 TypeError: cannot unpack non-iterable NoneType object 
    56533  
    56534 File
    56535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56536 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56537 etype, evalue, etraceback = exc_info 
    56538  
    56539 See log for complete Python traceback. 
    56540  
    56541 Traceback (most recent call last): 
    56542 File
    56543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56544 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56545 return self._func(self._name, data) 
    56546 File
    56547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56548 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56549 if v.display: 
    56550 File
    56551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56552 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56553 return self._any_displayed_positions and len(self._positions) > 0 
    56554 TypeError: object of type 'NoneType' has no len() 
    56555  
    56556 During handling of the above exception, another exception occurred: 
    56557  
    56558 Traceback (most recent call last): 
    56559 File
    56560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56561 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56562 if not self.draw_new_frame(): 
    56563 File
    56564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56565 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56566 changed = view.check_for_drawing_change() 
    56567 File
    56568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56569 packages/chimerax/core/graphics/view.py", line 252, in
    56570 check_for_drawing_change 
    56571 trig.activate_trigger('graphics update', self) 
    56572 File
    56573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56574 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56575 trigger.activate(data) 
    56576 File
    56577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56578 packages/chimerax/core/triggerset.py", line 190, in activate 
    56579 ret = handler.invoke(data, self._remove_bad_handlers) 
    56580 File
    56581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56582 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56583 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56584 File
    56585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56586 packages/chimerax/core/session.py", line 943, in <lambda> 
    56587 logger.report_exception(preface=preface)) 
    56588 File
    56589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56590 packages/chimerax/core/logger.py", line 421, in report_exception 
    56591 elif probably_chimera1_session(exc_info): 
    56592 File
    56593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56594 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56595 etype, evalue, etraceback = exc_info 
    56596 TypeError: cannot unpack non-iterable NoneType object 
    56597  
    56598 TypeError: cannot unpack non-iterable NoneType object 
    56599  
    56600 File
    56601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56602 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56603 etype, evalue, etraceback = exc_info 
    56604  
    56605 See log for complete Python traceback. 
    56606  
    56607 Traceback (most recent call last): 
    56608 File
    56609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56610 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56611 return self._func(self._name, data) 
    56612 File
    56613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56614 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56615 if v.display: 
    56616 File
    56617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56618 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56619 return self._any_displayed_positions and len(self._positions) > 0 
    56620 TypeError: object of type 'NoneType' has no len() 
    56621  
    56622 During handling of the above exception, another exception occurred: 
    56623  
    56624 Traceback (most recent call last): 
    56625 File
    56626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56627 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56628 if not self.draw_new_frame(): 
    56629 File
    56630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56631 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56632 changed = view.check_for_drawing_change() 
    56633 File
    56634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56635 packages/chimerax/core/graphics/view.py", line 252, in
    56636 check_for_drawing_change 
    56637 trig.activate_trigger('graphics update', self) 
    56638 File
    56639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56640 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56641 trigger.activate(data) 
    56642 File
    56643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56644 packages/chimerax/core/triggerset.py", line 190, in activate 
    56645 ret = handler.invoke(data, self._remove_bad_handlers) 
    56646 File
    56647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56648 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56649 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56650 File
    56651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56652 packages/chimerax/core/session.py", line 943, in <lambda> 
    56653 logger.report_exception(preface=preface)) 
    56654 File
    56655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56656 packages/chimerax/core/logger.py", line 421, in report_exception 
    56657 elif probably_chimera1_session(exc_info): 
    56658 File
    56659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56660 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56661 etype, evalue, etraceback = exc_info 
    56662 TypeError: cannot unpack non-iterable NoneType object 
    56663  
    56664 TypeError: cannot unpack non-iterable NoneType object 
    56665  
    56666 File
    56667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56668 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56669 etype, evalue, etraceback = exc_info 
    56670  
    56671 See log for complete Python traceback. 
    56672  
    56673 Traceback (most recent call last): 
    56674 File
    56675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56676 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56677 return self._func(self._name, data) 
    56678 File
    56679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56680 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56681 if v.display: 
    56682 File
    56683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56684 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56685 return self._any_displayed_positions and len(self._positions) > 0 
    56686 TypeError: object of type 'NoneType' has no len() 
    56687  
    56688 During handling of the above exception, another exception occurred: 
    56689  
    56690 Traceback (most recent call last): 
    56691 File
    56692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56693 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56694 if not self.draw_new_frame(): 
    56695 File
    56696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56697 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56698 changed = view.check_for_drawing_change() 
    56699 File
    56700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56701 packages/chimerax/core/graphics/view.py", line 252, in
    56702 check_for_drawing_change 
    56703 trig.activate_trigger('graphics update', self) 
    56704 File
    56705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56706 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56707 trigger.activate(data) 
    56708 File
    56709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56710 packages/chimerax/core/triggerset.py", line 190, in activate 
    56711 ret = handler.invoke(data, self._remove_bad_handlers) 
    56712 File
    56713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56714 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56715 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56716 File
    56717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56718 packages/chimerax/core/session.py", line 943, in <lambda> 
    56719 logger.report_exception(preface=preface)) 
    56720 File
    56721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56722 packages/chimerax/core/logger.py", line 421, in report_exception 
    56723 elif probably_chimera1_session(exc_info): 
    56724 File
    56725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56726 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56727 etype, evalue, etraceback = exc_info 
    56728 TypeError: cannot unpack non-iterable NoneType object 
    56729  
    56730 TypeError: cannot unpack non-iterable NoneType object 
    56731  
    56732 File
    56733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56734 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56735 etype, evalue, etraceback = exc_info 
    56736  
    56737 See log for complete Python traceback. 
    56738  
    56739 Traceback (most recent call last): 
    56740 File
    56741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56742 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56743 return self._func(self._name, data) 
    56744 File
    56745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56746 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56747 if v.display: 
    56748 File
    56749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56750 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56751 return self._any_displayed_positions and len(self._positions) > 0 
    56752 TypeError: object of type 'NoneType' has no len() 
    56753  
    56754 During handling of the above exception, another exception occurred: 
    56755  
    56756 Traceback (most recent call last): 
    56757 File
    56758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56759 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56760 if not self.draw_new_frame(): 
    56761 File
    56762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56763 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56764 changed = view.check_for_drawing_change() 
    56765 File
    56766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56767 packages/chimerax/core/graphics/view.py", line 252, in
    56768 check_for_drawing_change 
    56769 trig.activate_trigger('graphics update', self) 
    56770 File
    56771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56772 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56773 trigger.activate(data) 
    56774 File
    56775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56776 packages/chimerax/core/triggerset.py", line 190, in activate 
    56777 ret = handler.invoke(data, self._remove_bad_handlers) 
    56778 File
    56779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56780 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56781 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56782 File
    56783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56784 packages/chimerax/core/session.py", line 943, in <lambda> 
    56785 logger.report_exception(preface=preface)) 
    56786 File
    56787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56788 packages/chimerax/core/logger.py", line 421, in report_exception 
    56789 elif probably_chimera1_session(exc_info): 
    56790 File
    56791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56792 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56793 etype, evalue, etraceback = exc_info 
    56794 TypeError: cannot unpack non-iterable NoneType object 
    56795  
    56796 TypeError: cannot unpack non-iterable NoneType object 
    56797  
    56798 File
    56799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56800 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56801 etype, evalue, etraceback = exc_info 
    56802  
    56803 See log for complete Python traceback. 
    56804  
    56805 Traceback (most recent call last): 
    56806 File
    56807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56808 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56809 return self._func(self._name, data) 
    56810 File
    56811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56812 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56813 if v.display: 
    56814 File
    56815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56816 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56817 return self._any_displayed_positions and len(self._positions) > 0 
    56818 TypeError: object of type 'NoneType' has no len() 
    56819  
    56820 During handling of the above exception, another exception occurred: 
    56821  
    56822 Traceback (most recent call last): 
    56823 File
    56824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56825 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56826 if not self.draw_new_frame(): 
    56827 File
    56828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56829 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56830 changed = view.check_for_drawing_change() 
    56831 File
    56832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56833 packages/chimerax/core/graphics/view.py", line 252, in
    56834 check_for_drawing_change 
    56835 trig.activate_trigger('graphics update', self) 
    56836 File
    56837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56838 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56839 trigger.activate(data) 
    56840 File
    56841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56842 packages/chimerax/core/triggerset.py", line 190, in activate 
    56843 ret = handler.invoke(data, self._remove_bad_handlers) 
    56844 File
    56845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56846 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56847 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56848 File
    56849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56850 packages/chimerax/core/session.py", line 943, in <lambda> 
    56851 logger.report_exception(preface=preface)) 
    56852 File
    56853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56854 packages/chimerax/core/logger.py", line 421, in report_exception 
    56855 elif probably_chimera1_session(exc_info): 
    56856 File
    56857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56858 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56859 etype, evalue, etraceback = exc_info 
    56860 TypeError: cannot unpack non-iterable NoneType object 
    56861  
    56862 TypeError: cannot unpack non-iterable NoneType object 
    56863  
    56864 File
    56865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56866 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56867 etype, evalue, etraceback = exc_info 
    56868  
    56869 See log for complete Python traceback. 
    56870  
    56871 Traceback (most recent call last): 
    56872 File
    56873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56874 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56875 return self._func(self._name, data) 
    56876 File
    56877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56878 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56879 if v.display: 
    56880 File
    56881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56882 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56883 return self._any_displayed_positions and len(self._positions) > 0 
    56884 TypeError: object of type 'NoneType' has no len() 
    56885  
    56886 During handling of the above exception, another exception occurred: 
    56887  
    56888 Traceback (most recent call last): 
    56889 File
    56890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56891 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56892 if not self.draw_new_frame(): 
    56893 File
    56894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56895 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56896 changed = view.check_for_drawing_change() 
    56897 File
    56898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56899 packages/chimerax/core/graphics/view.py", line 252, in
    56900 check_for_drawing_change 
    56901 trig.activate_trigger('graphics update', self) 
    56902 File
    56903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56904 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56905 trigger.activate(data) 
    56906 File
    56907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56908 packages/chimerax/core/triggerset.py", line 190, in activate 
    56909 ret = handler.invoke(data, self._remove_bad_handlers) 
    56910 File
    56911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56912 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56913 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56914 File
    56915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56916 packages/chimerax/core/session.py", line 943, in <lambda> 
    56917 logger.report_exception(preface=preface)) 
    56918 File
    56919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56920 packages/chimerax/core/logger.py", line 421, in report_exception 
    56921 elif probably_chimera1_session(exc_info): 
    56922 File
    56923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56924 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56925 etype, evalue, etraceback = exc_info 
    56926 TypeError: cannot unpack non-iterable NoneType object 
    56927  
    56928 TypeError: cannot unpack non-iterable NoneType object 
    56929  
    56930 File
    56931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56932 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56933 etype, evalue, etraceback = exc_info 
    56934  
    56935 See log for complete Python traceback. 
    56936  
    56937 Traceback (most recent call last): 
    56938 File
    56939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56940 packages/chimerax/core/triggerset.py", line 130, in invoke 
    56941 return self._func(self._name, data) 
    56942 File
    56943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56944 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    56945 if v.display: 
    56946 File
    56947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56948 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    56949 return self._any_displayed_positions and len(self._positions) > 0 
    56950 TypeError: object of type 'NoneType' has no len() 
    56951  
    56952 During handling of the above exception, another exception occurred: 
    56953  
    56954 Traceback (most recent call last): 
    56955 File
    56956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56957 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    56958 if not self.draw_new_frame(): 
    56959 File
    56960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56961 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    56962 changed = view.check_for_drawing_change() 
    56963 File
    56964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56965 packages/chimerax/core/graphics/view.py", line 252, in
    56966 check_for_drawing_change 
    56967 trig.activate_trigger('graphics update', self) 
    56968 File
    56969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56970 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    56971 trigger.activate(data) 
    56972 File
    56973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56974 packages/chimerax/core/triggerset.py", line 190, in activate 
    56975 ret = handler.invoke(data, self._remove_bad_handlers) 
    56976 File
    56977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56978 packages/chimerax/core/triggerset.py", line 132, in invoke 
    56979 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    56980 File
    56981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56982 packages/chimerax/core/session.py", line 943, in <lambda> 
    56983 logger.report_exception(preface=preface)) 
    56984 File
    56985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56986 packages/chimerax/core/logger.py", line 421, in report_exception 
    56987 elif probably_chimera1_session(exc_info): 
    56988 File
    56989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56990 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56991 etype, evalue, etraceback = exc_info 
    56992 TypeError: cannot unpack non-iterable NoneType object 
    56993  
    56994 TypeError: cannot unpack non-iterable NoneType object 
    56995  
    56996 File
    56997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    56998 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    56999 etype, evalue, etraceback = exc_info 
    57000  
    57001 See log for complete Python traceback. 
    57002  
    57003 Traceback (most recent call last): 
    57004 File
    57005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57006 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57007 return self._func(self._name, data) 
    57008 File
    57009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57010 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57011 if v.display: 
    57012 File
    57013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57014 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57015 return self._any_displayed_positions and len(self._positions) > 0 
    57016 TypeError: object of type 'NoneType' has no len() 
    57017  
    57018 During handling of the above exception, another exception occurred: 
    57019  
    57020 Traceback (most recent call last): 
    57021 File
    57022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57023 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57024 if not self.draw_new_frame(): 
    57025 File
    57026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57027 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57028 changed = view.check_for_drawing_change() 
    57029 File
    57030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57031 packages/chimerax/core/graphics/view.py", line 252, in
    57032 check_for_drawing_change 
    57033 trig.activate_trigger('graphics update', self) 
    57034 File
    57035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57036 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57037 trigger.activate(data) 
    57038 File
    57039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57040 packages/chimerax/core/triggerset.py", line 190, in activate 
    57041 ret = handler.invoke(data, self._remove_bad_handlers) 
    57042 File
    57043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57044 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57045 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57046 File
    57047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57048 packages/chimerax/core/session.py", line 943, in <lambda> 
    57049 logger.report_exception(preface=preface)) 
    57050 File
    57051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57052 packages/chimerax/core/logger.py", line 421, in report_exception 
    57053 elif probably_chimera1_session(exc_info): 
    57054 File
    57055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57056 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57057 etype, evalue, etraceback = exc_info 
    57058 TypeError: cannot unpack non-iterable NoneType object 
    57059  
    57060 TypeError: cannot unpack non-iterable NoneType object 
    57061  
    57062 File
    57063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57064 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57065 etype, evalue, etraceback = exc_info 
    57066  
    57067 See log for complete Python traceback. 
    57068  
    57069 Traceback (most recent call last): 
    57070 File
    57071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57072 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57073 return self._func(self._name, data) 
    57074 File
    57075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57076 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57077 if v.display: 
    57078 File
    57079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57080 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57081 return self._any_displayed_positions and len(self._positions) > 0 
    57082 TypeError: object of type 'NoneType' has no len() 
    57083  
    57084 During handling of the above exception, another exception occurred: 
    57085  
    57086 Traceback (most recent call last): 
    57087 File
    57088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57089 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57090 if not self.draw_new_frame(): 
    57091 File
    57092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57093 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57094 changed = view.check_for_drawing_change() 
    57095 File
    57096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57097 packages/chimerax/core/graphics/view.py", line 252, in
    57098 check_for_drawing_change 
    57099 trig.activate_trigger('graphics update', self) 
    57100 File
    57101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57102 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57103 trigger.activate(data) 
    57104 File
    57105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57106 packages/chimerax/core/triggerset.py", line 190, in activate 
    57107 ret = handler.invoke(data, self._remove_bad_handlers) 
    57108 File
    57109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57110 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57111 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57112 File
    57113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57114 packages/chimerax/core/session.py", line 943, in <lambda> 
    57115 logger.report_exception(preface=preface)) 
    57116 File
    57117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57118 packages/chimerax/core/logger.py", line 421, in report_exception 
    57119 elif probably_chimera1_session(exc_info): 
    57120 File
    57121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57122 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57123 etype, evalue, etraceback = exc_info 
    57124 TypeError: cannot unpack non-iterable NoneType object 
    57125  
    57126 TypeError: cannot unpack non-iterable NoneType object 
    57127  
    57128 File
    57129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57130 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57131 etype, evalue, etraceback = exc_info 
    57132  
    57133 See log for complete Python traceback. 
    57134  
    57135 Traceback (most recent call last): 
    57136 File
    57137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57138 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57139 return self._func(self._name, data) 
    57140 File
    57141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57142 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57143 if v.display: 
    57144 File
    57145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57146 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57147 return self._any_displayed_positions and len(self._positions) > 0 
    57148 TypeError: object of type 'NoneType' has no len() 
    57149  
    57150 During handling of the above exception, another exception occurred: 
    57151  
    57152 Traceback (most recent call last): 
    57153 File
    57154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57155 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57156 if not self.draw_new_frame(): 
    57157 File
    57158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57159 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57160 changed = view.check_for_drawing_change() 
    57161 File
    57162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57163 packages/chimerax/core/graphics/view.py", line 252, in
    57164 check_for_drawing_change 
    57165 trig.activate_trigger('graphics update', self) 
    57166 File
    57167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57168 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57169 trigger.activate(data) 
    57170 File
    57171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57172 packages/chimerax/core/triggerset.py", line 190, in activate 
    57173 ret = handler.invoke(data, self._remove_bad_handlers) 
    57174 File
    57175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57176 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57177 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57178 File
    57179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57180 packages/chimerax/core/session.py", line 943, in <lambda> 
    57181 logger.report_exception(preface=preface)) 
    57182 File
    57183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57184 packages/chimerax/core/logger.py", line 421, in report_exception 
    57185 elif probably_chimera1_session(exc_info): 
    57186 File
    57187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57188 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57189 etype, evalue, etraceback = exc_info 
    57190 TypeError: cannot unpack non-iterable NoneType object 
    57191  
    57192 TypeError: cannot unpack non-iterable NoneType object 
    57193  
    57194 File
    57195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57196 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57197 etype, evalue, etraceback = exc_info 
    57198  
    57199 See log for complete Python traceback. 
    57200  
    57201 Traceback (most recent call last): 
    57202 File
    57203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57204 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57205 return self._func(self._name, data) 
    57206 File
    57207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57208 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57209 if v.display: 
    57210 File
    57211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57212 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57213 return self._any_displayed_positions and len(self._positions) > 0 
    57214 TypeError: object of type 'NoneType' has no len() 
    57215  
    57216 During handling of the above exception, another exception occurred: 
    57217  
    57218 Traceback (most recent call last): 
    57219 File
    57220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57221 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57222 if not self.draw_new_frame(): 
    57223 File
    57224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57225 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57226 changed = view.check_for_drawing_change() 
    57227 File
    57228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57229 packages/chimerax/core/graphics/view.py", line 252, in
    57230 check_for_drawing_change 
    57231 trig.activate_trigger('graphics update', self) 
    57232 File
    57233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57234 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57235 trigger.activate(data) 
    57236 File
    57237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57238 packages/chimerax/core/triggerset.py", line 190, in activate 
    57239 ret = handler.invoke(data, self._remove_bad_handlers) 
    57240 File
    57241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57242 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57243 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57244 File
    57245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57246 packages/chimerax/core/session.py", line 943, in <lambda> 
    57247 logger.report_exception(preface=preface)) 
    57248 File
    57249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57250 packages/chimerax/core/logger.py", line 421, in report_exception 
    57251 elif probably_chimera1_session(exc_info): 
    57252 File
    57253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57254 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57255 etype, evalue, etraceback = exc_info 
    57256 TypeError: cannot unpack non-iterable NoneType object 
    57257  
    57258 TypeError: cannot unpack non-iterable NoneType object 
    57259  
    57260 File
    57261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57262 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57263 etype, evalue, etraceback = exc_info 
    57264  
    57265 See log for complete Python traceback. 
    57266  
    57267 Traceback (most recent call last): 
    57268 File
    57269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57270 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57271 return self._func(self._name, data) 
    57272 File
    57273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57274 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57275 if v.display: 
    57276 File
    57277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57278 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57279 return self._any_displayed_positions and len(self._positions) > 0 
    57280 TypeError: object of type 'NoneType' has no len() 
    57281  
    57282 During handling of the above exception, another exception occurred: 
    57283  
    57284 Traceback (most recent call last): 
    57285 File
    57286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57287 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57288 if not self.draw_new_frame(): 
    57289 File
    57290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57291 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57292 changed = view.check_for_drawing_change() 
    57293 File
    57294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57295 packages/chimerax/core/graphics/view.py", line 252, in
    57296 check_for_drawing_change 
    57297 trig.activate_trigger('graphics update', self) 
    57298 File
    57299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57300 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57301 trigger.activate(data) 
    57302 File
    57303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57304 packages/chimerax/core/triggerset.py", line 190, in activate 
    57305 ret = handler.invoke(data, self._remove_bad_handlers) 
    57306 File
    57307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57308 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57309 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57310 File
    57311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57312 packages/chimerax/core/session.py", line 943, in <lambda> 
    57313 logger.report_exception(preface=preface)) 
    57314 File
    57315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57316 packages/chimerax/core/logger.py", line 421, in report_exception 
    57317 elif probably_chimera1_session(exc_info): 
    57318 File
    57319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57320 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57321 etype, evalue, etraceback = exc_info 
    57322 TypeError: cannot unpack non-iterable NoneType object 
    57323  
    57324 TypeError: cannot unpack non-iterable NoneType object 
    57325  
    57326 File
    57327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57328 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57329 etype, evalue, etraceback = exc_info 
    57330  
    57331 See log for complete Python traceback. 
    57332  
    57333 Traceback (most recent call last): 
    57334 File
    57335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57336 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57337 return self._func(self._name, data) 
    57338 File
    57339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57340 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57341 if v.display: 
    57342 File
    57343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57344 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57345 return self._any_displayed_positions and len(self._positions) > 0 
    57346 TypeError: object of type 'NoneType' has no len() 
    57347  
    57348 During handling of the above exception, another exception occurred: 
    57349  
    57350 Traceback (most recent call last): 
    57351 File
    57352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57353 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57354 if not self.draw_new_frame(): 
    57355 File
    57356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57357 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57358 changed = view.check_for_drawing_change() 
    57359 File
    57360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57361 packages/chimerax/core/graphics/view.py", line 252, in
    57362 check_for_drawing_change 
    57363 trig.activate_trigger('graphics update', self) 
    57364 File
    57365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57366 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57367 trigger.activate(data) 
    57368 File
    57369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57370 packages/chimerax/core/triggerset.py", line 190, in activate 
    57371 ret = handler.invoke(data, self._remove_bad_handlers) 
    57372 File
    57373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57374 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57375 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57376 File
    57377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57378 packages/chimerax/core/session.py", line 943, in <lambda> 
    57379 logger.report_exception(preface=preface)) 
    57380 File
    57381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57382 packages/chimerax/core/logger.py", line 421, in report_exception 
    57383 elif probably_chimera1_session(exc_info): 
    57384 File
    57385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57386 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57387 etype, evalue, etraceback = exc_info 
    57388 TypeError: cannot unpack non-iterable NoneType object 
    57389  
    57390 TypeError: cannot unpack non-iterable NoneType object 
    57391  
    57392 File
    57393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57394 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57395 etype, evalue, etraceback = exc_info 
    57396  
    57397 See log for complete Python traceback. 
    57398  
    57399 Traceback (most recent call last): 
    57400 File
    57401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57402 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57403 return self._func(self._name, data) 
    57404 File
    57405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57406 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57407 if v.display: 
    57408 File
    57409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57410 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57411 return self._any_displayed_positions and len(self._positions) > 0 
    57412 TypeError: object of type 'NoneType' has no len() 
    57413  
    57414 During handling of the above exception, another exception occurred: 
    57415  
    57416 Traceback (most recent call last): 
    57417 File
    57418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57419 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57420 if not self.draw_new_frame(): 
    57421 File
    57422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57423 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57424 changed = view.check_for_drawing_change() 
    57425 File
    57426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57427 packages/chimerax/core/graphics/view.py", line 252, in
    57428 check_for_drawing_change 
    57429 trig.activate_trigger('graphics update', self) 
    57430 File
    57431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57432 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57433 trigger.activate(data) 
    57434 File
    57435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57436 packages/chimerax/core/triggerset.py", line 190, in activate 
    57437 ret = handler.invoke(data, self._remove_bad_handlers) 
    57438 File
    57439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57440 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57441 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57442 File
    57443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57444 packages/chimerax/core/session.py", line 943, in <lambda> 
    57445 logger.report_exception(preface=preface)) 
    57446 File
    57447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57448 packages/chimerax/core/logger.py", line 421, in report_exception 
    57449 elif probably_chimera1_session(exc_info): 
    57450 File
    57451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57452 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57453 etype, evalue, etraceback = exc_info 
    57454 TypeError: cannot unpack non-iterable NoneType object 
    57455  
    57456 TypeError: cannot unpack non-iterable NoneType object 
    57457  
    57458 File
    57459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57460 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57461 etype, evalue, etraceback = exc_info 
    57462  
    57463 See log for complete Python traceback. 
    57464  
    57465 Traceback (most recent call last): 
    57466 File
    57467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57469 return self._func(self._name, data) 
    57470 File
    57471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57472 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57473 if v.display: 
    57474 File
    57475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57476 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57477 return self._any_displayed_positions and len(self._positions) > 0 
    57478 TypeError: object of type 'NoneType' has no len() 
    57479  
    57480 During handling of the above exception, another exception occurred: 
    57481  
    57482 Traceback (most recent call last): 
    57483 File
    57484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57485 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57486 if not self.draw_new_frame(): 
    57487 File
    57488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57489 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57490 changed = view.check_for_drawing_change() 
    57491 File
    57492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57493 packages/chimerax/core/graphics/view.py", line 252, in
    57494 check_for_drawing_change 
    57495 trig.activate_trigger('graphics update', self) 
    57496 File
    57497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57498 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57499 trigger.activate(data) 
    57500 File
    57501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57502 packages/chimerax/core/triggerset.py", line 190, in activate 
    57503 ret = handler.invoke(data, self._remove_bad_handlers) 
    57504 File
    57505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57506 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57507 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57508 File
    57509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57510 packages/chimerax/core/session.py", line 943, in <lambda> 
    57511 logger.report_exception(preface=preface)) 
    57512 File
    57513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57514 packages/chimerax/core/logger.py", line 421, in report_exception 
    57515 elif probably_chimera1_session(exc_info): 
    57516 File
    57517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57518 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57519 etype, evalue, etraceback = exc_info 
    57520 TypeError: cannot unpack non-iterable NoneType object 
    57521  
    57522 TypeError: cannot unpack non-iterable NoneType object 
    57523  
    57524 File
    57525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57526 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57527 etype, evalue, etraceback = exc_info 
    57528  
    57529 See log for complete Python traceback. 
    57530  
    57531 Traceback (most recent call last): 
    57532 File
    57533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57534 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57535 return self._func(self._name, data) 
    57536 File
    57537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57538 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57539 if v.display: 
    57540 File
    57541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57542 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57543 return self._any_displayed_positions and len(self._positions) > 0 
    57544 TypeError: object of type 'NoneType' has no len() 
    57545  
    57546 During handling of the above exception, another exception occurred: 
    57547  
    57548 Traceback (most recent call last): 
    57549 File
    57550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57551 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57552 if not self.draw_new_frame(): 
    57553 File
    57554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57555 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57556 changed = view.check_for_drawing_change() 
    57557 File
    57558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57559 packages/chimerax/core/graphics/view.py", line 252, in
    57560 check_for_drawing_change 
    57561 trig.activate_trigger('graphics update', self) 
    57562 File
    57563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57564 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57565 trigger.activate(data) 
    57566 File
    57567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57568 packages/chimerax/core/triggerset.py", line 190, in activate 
    57569 ret = handler.invoke(data, self._remove_bad_handlers) 
    57570 File
    57571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57572 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57573 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57574 File
    57575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57576 packages/chimerax/core/session.py", line 943, in <lambda> 
    57577 logger.report_exception(preface=preface)) 
    57578 File
    57579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57580 packages/chimerax/core/logger.py", line 421, in report_exception 
    57581 elif probably_chimera1_session(exc_info): 
    57582 File
    57583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57584 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57585 etype, evalue, etraceback = exc_info 
    57586 TypeError: cannot unpack non-iterable NoneType object 
    57587  
    57588 TypeError: cannot unpack non-iterable NoneType object 
    57589  
    57590 File
    57591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57592 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57593 etype, evalue, etraceback = exc_info 
    57594  
    57595 See log for complete Python traceback. 
    57596  
    57597 Traceback (most recent call last): 
    57598 File
    57599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57600 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57601 return self._func(self._name, data) 
    57602 File
    57603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57604 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57605 if v.display: 
    57606 File
    57607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57608 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57609 return self._any_displayed_positions and len(self._positions) > 0 
    57610 TypeError: object of type 'NoneType' has no len() 
    57611  
    57612 During handling of the above exception, another exception occurred: 
    57613  
    57614 Traceback (most recent call last): 
    57615 File
    57616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57617 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57618 if not self.draw_new_frame(): 
    57619 File
    57620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57621 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57622 changed = view.check_for_drawing_change() 
    57623 File
    57624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57625 packages/chimerax/core/graphics/view.py", line 252, in
    57626 check_for_drawing_change 
    57627 trig.activate_trigger('graphics update', self) 
    57628 File
    57629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57630 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57631 trigger.activate(data) 
    57632 File
    57633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57634 packages/chimerax/core/triggerset.py", line 190, in activate 
    57635 ret = handler.invoke(data, self._remove_bad_handlers) 
    57636 File
    57637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57638 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57639 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57640 File
    57641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57642 packages/chimerax/core/session.py", line 943, in <lambda> 
    57643 logger.report_exception(preface=preface)) 
    57644 File
    57645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57646 packages/chimerax/core/logger.py", line 421, in report_exception 
    57647 elif probably_chimera1_session(exc_info): 
    57648 File
    57649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57650 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57651 etype, evalue, etraceback = exc_info 
    57652 TypeError: cannot unpack non-iterable NoneType object 
    57653  
    57654 TypeError: cannot unpack non-iterable NoneType object 
    57655  
    57656 File
    57657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57658 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57659 etype, evalue, etraceback = exc_info 
    57660  
    57661 See log for complete Python traceback. 
    57662  
    57663 Traceback (most recent call last): 
    57664 File
    57665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57666 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57667 return self._func(self._name, data) 
    57668 File
    57669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57670 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57671 if v.display: 
    57672 File
    57673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57674 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57675 return self._any_displayed_positions and len(self._positions) > 0 
    57676 TypeError: object of type 'NoneType' has no len() 
    57677  
    57678 During handling of the above exception, another exception occurred: 
    57679  
    57680 Traceback (most recent call last): 
    57681 File
    57682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57683 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57684 if not self.draw_new_frame(): 
    57685 File
    57686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57687 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57688 changed = view.check_for_drawing_change() 
    57689 File
    57690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57691 packages/chimerax/core/graphics/view.py", line 252, in
    57692 check_for_drawing_change 
    57693 trig.activate_trigger('graphics update', self) 
    57694 File
    57695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57696 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57697 trigger.activate(data) 
    57698 File
    57699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57700 packages/chimerax/core/triggerset.py", line 190, in activate 
    57701 ret = handler.invoke(data, self._remove_bad_handlers) 
    57702 File
    57703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57704 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57705 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57706 File
    57707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57708 packages/chimerax/core/session.py", line 943, in <lambda> 
    57709 logger.report_exception(preface=preface)) 
    57710 File
    57711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57712 packages/chimerax/core/logger.py", line 421, in report_exception 
    57713 elif probably_chimera1_session(exc_info): 
    57714 File
    57715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57716 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57717 etype, evalue, etraceback = exc_info 
    57718 TypeError: cannot unpack non-iterable NoneType object 
    57719  
    57720 TypeError: cannot unpack non-iterable NoneType object 
    57721  
    57722 File
    57723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57724 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57725 etype, evalue, etraceback = exc_info 
    57726  
    57727 See log for complete Python traceback. 
    57728  
    57729 Traceback (most recent call last): 
    57730 File
    57731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57732 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57733 return self._func(self._name, data) 
    57734 File
    57735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57736 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57737 if v.display: 
    57738 File
    57739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57740 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57741 return self._any_displayed_positions and len(self._positions) > 0 
    57742 TypeError: object of type 'NoneType' has no len() 
    57743  
    57744 During handling of the above exception, another exception occurred: 
    57745  
    57746 Traceback (most recent call last): 
    57747 File
    57748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57749 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57750 if not self.draw_new_frame(): 
    57751 File
    57752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57753 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57754 changed = view.check_for_drawing_change() 
    57755 File
    57756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57757 packages/chimerax/core/graphics/view.py", line 252, in
    57758 check_for_drawing_change 
    57759 trig.activate_trigger('graphics update', self) 
    57760 File
    57761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57762 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57763 trigger.activate(data) 
    57764 File
    57765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57766 packages/chimerax/core/triggerset.py", line 190, in activate 
    57767 ret = handler.invoke(data, self._remove_bad_handlers) 
    57768 File
    57769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57770 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57771 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57772 File
    57773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57774 packages/chimerax/core/session.py", line 943, in <lambda> 
    57775 logger.report_exception(preface=preface)) 
    57776 File
    57777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57778 packages/chimerax/core/logger.py", line 421, in report_exception 
    57779 elif probably_chimera1_session(exc_info): 
    57780 File
    57781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57782 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57783 etype, evalue, etraceback = exc_info 
    57784 TypeError: cannot unpack non-iterable NoneType object 
    57785  
    57786 TypeError: cannot unpack non-iterable NoneType object 
    57787  
    57788 File
    57789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57790 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57791 etype, evalue, etraceback = exc_info 
    57792  
    57793 See log for complete Python traceback. 
    57794  
    57795 Traceback (most recent call last): 
    57796 File
    57797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57798 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57799 return self._func(self._name, data) 
    57800 File
    57801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57802 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57803 if v.display: 
    57804 File
    57805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57806 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57807 return self._any_displayed_positions and len(self._positions) > 0 
    57808 TypeError: object of type 'NoneType' has no len() 
    57809  
    57810 During handling of the above exception, another exception occurred: 
    57811  
    57812 Traceback (most recent call last): 
    57813 File
    57814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57815 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57816 if not self.draw_new_frame(): 
    57817 File
    57818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57819 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57820 changed = view.check_for_drawing_change() 
    57821 File
    57822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57823 packages/chimerax/core/graphics/view.py", line 252, in
    57824 check_for_drawing_change 
    57825 trig.activate_trigger('graphics update', self) 
    57826 File
    57827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57828 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57829 trigger.activate(data) 
    57830 File
    57831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57832 packages/chimerax/core/triggerset.py", line 190, in activate 
    57833 ret = handler.invoke(data, self._remove_bad_handlers) 
    57834 File
    57835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57836 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57837 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57838 File
    57839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57840 packages/chimerax/core/session.py", line 943, in <lambda> 
    57841 logger.report_exception(preface=preface)) 
    57842 File
    57843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57844 packages/chimerax/core/logger.py", line 421, in report_exception 
    57845 elif probably_chimera1_session(exc_info): 
    57846 File
    57847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57848 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57849 etype, evalue, etraceback = exc_info 
    57850 TypeError: cannot unpack non-iterable NoneType object 
    57851  
    57852 TypeError: cannot unpack non-iterable NoneType object 
    57853  
    57854 File
    57855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57856 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57857 etype, evalue, etraceback = exc_info 
    57858  
    57859 See log for complete Python traceback. 
    57860  
    57861 Traceback (most recent call last): 
    57862 File
    57863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57864 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57865 return self._func(self._name, data) 
    57866 File
    57867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57868 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57869 if v.display: 
    57870 File
    57871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57872 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57873 return self._any_displayed_positions and len(self._positions) > 0 
    57874 TypeError: object of type 'NoneType' has no len() 
    57875  
    57876 During handling of the above exception, another exception occurred: 
    57877  
    57878 Traceback (most recent call last): 
    57879 File
    57880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57881 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57882 if not self.draw_new_frame(): 
    57883 File
    57884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57885 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57886 changed = view.check_for_drawing_change() 
    57887 File
    57888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57889 packages/chimerax/core/graphics/view.py", line 252, in
    57890 check_for_drawing_change 
    57891 trig.activate_trigger('graphics update', self) 
    57892 File
    57893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57894 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57895 trigger.activate(data) 
    57896 File
    57897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57898 packages/chimerax/core/triggerset.py", line 190, in activate 
    57899 ret = handler.invoke(data, self._remove_bad_handlers) 
    57900 File
    57901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57902 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57903 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57904 File
    57905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57906 packages/chimerax/core/session.py", line 943, in <lambda> 
    57907 logger.report_exception(preface=preface)) 
    57908 File
    57909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57910 packages/chimerax/core/logger.py", line 421, in report_exception 
    57911 elif probably_chimera1_session(exc_info): 
    57912 File
    57913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57914 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57915 etype, evalue, etraceback = exc_info 
    57916 TypeError: cannot unpack non-iterable NoneType object 
    57917  
    57918 TypeError: cannot unpack non-iterable NoneType object 
    57919  
    57920 File
    57921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57922 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57923 etype, evalue, etraceback = exc_info 
    57924  
    57925 See log for complete Python traceback. 
    57926  
    57927 Traceback (most recent call last): 
    57928 File
    57929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57930 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57931 return self._func(self._name, data) 
    57932 File
    57933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57934 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    57935 if v.display: 
    57936 File
    57937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57938 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    57939 return self._any_displayed_positions and len(self._positions) > 0 
    57940 TypeError: object of type 'NoneType' has no len() 
    57941  
    57942 During handling of the above exception, another exception occurred: 
    57943  
    57944 Traceback (most recent call last): 
    57945 File
    57946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57947 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    57948 if not self.draw_new_frame(): 
    57949 File
    57950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57951 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    57952 changed = view.check_for_drawing_change() 
    57953 File
    57954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57955 packages/chimerax/core/graphics/view.py", line 252, in
    57956 check_for_drawing_change 
    57957 trig.activate_trigger('graphics update', self) 
    57958 File
    57959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57960 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    57961 trigger.activate(data) 
    57962 File
    57963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57964 packages/chimerax/core/triggerset.py", line 190, in activate 
    57965 ret = handler.invoke(data, self._remove_bad_handlers) 
    57966 File
    57967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57968 packages/chimerax/core/triggerset.py", line 132, in invoke 
    57969 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    57970 File
    57971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57972 packages/chimerax/core/session.py", line 943, in <lambda> 
    57973 logger.report_exception(preface=preface)) 
    57974 File
    57975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57976 packages/chimerax/core/logger.py", line 421, in report_exception 
    57977 elif probably_chimera1_session(exc_info): 
    57978 File
    57979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57980 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57981 etype, evalue, etraceback = exc_info 
    57982 TypeError: cannot unpack non-iterable NoneType object 
    57983  
    57984 TypeError: cannot unpack non-iterable NoneType object 
    57985  
    57986 File
    57987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57988 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    57989 etype, evalue, etraceback = exc_info 
    57990  
    57991 See log for complete Python traceback. 
    57992  
    57993 Traceback (most recent call last): 
    57994 File
    57995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    57996 packages/chimerax/core/triggerset.py", line 130, in invoke 
    57997 return self._func(self._name, data) 
    57998 File
    57999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58000 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58001 if v.display: 
    58002 File
    58003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58004 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58005 return self._any_displayed_positions and len(self._positions) > 0 
    58006 TypeError: object of type 'NoneType' has no len() 
    58007  
    58008 During handling of the above exception, another exception occurred: 
    58009  
    58010 Traceback (most recent call last): 
    58011 File
    58012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58013 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58014 if not self.draw_new_frame(): 
    58015 File
    58016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58017 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58018 changed = view.check_for_drawing_change() 
    58019 File
    58020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58021 packages/chimerax/core/graphics/view.py", line 252, in
    58022 check_for_drawing_change 
    58023 trig.activate_trigger('graphics update', self) 
    58024 File
    58025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58026 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58027 trigger.activate(data) 
    58028 File
    58029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58030 packages/chimerax/core/triggerset.py", line 190, in activate 
    58031 ret = handler.invoke(data, self._remove_bad_handlers) 
    58032 File
    58033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58034 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58035 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58036 File
    58037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58038 packages/chimerax/core/session.py", line 943, in <lambda> 
    58039 logger.report_exception(preface=preface)) 
    58040 File
    58041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58042 packages/chimerax/core/logger.py", line 421, in report_exception 
    58043 elif probably_chimera1_session(exc_info): 
    58044 File
    58045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58046 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58047 etype, evalue, etraceback = exc_info 
    58048 TypeError: cannot unpack non-iterable NoneType object 
    58049  
    58050 TypeError: cannot unpack non-iterable NoneType object 
    58051  
    58052 File
    58053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58054 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58055 etype, evalue, etraceback = exc_info 
    58056  
    58057 See log for complete Python traceback. 
    58058  
    58059 Traceback (most recent call last): 
    58060 File
    58061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58062 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58063 return self._func(self._name, data) 
    58064 File
    58065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58066 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58067 if v.display: 
    58068 File
    58069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58070 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58071 return self._any_displayed_positions and len(self._positions) > 0 
    58072 TypeError: object of type 'NoneType' has no len() 
    58073  
    58074 During handling of the above exception, another exception occurred: 
    58075  
    58076 Traceback (most recent call last): 
    58077 File
    58078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58079 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58080 if not self.draw_new_frame(): 
    58081 File
    58082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58083 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58084 changed = view.check_for_drawing_change() 
    58085 File
    58086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58087 packages/chimerax/core/graphics/view.py", line 252, in
    58088 check_for_drawing_change 
    58089 trig.activate_trigger('graphics update', self) 
    58090 File
    58091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58092 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58093 trigger.activate(data) 
    58094 File
    58095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58096 packages/chimerax/core/triggerset.py", line 190, in activate 
    58097 ret = handler.invoke(data, self._remove_bad_handlers) 
    58098 File
    58099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58100 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58101 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58102 File
    58103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58104 packages/chimerax/core/session.py", line 943, in <lambda> 
    58105 logger.report_exception(preface=preface)) 
    58106 File
    58107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58108 packages/chimerax/core/logger.py", line 421, in report_exception 
    58109 elif probably_chimera1_session(exc_info): 
    58110 File
    58111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58112 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58113 etype, evalue, etraceback = exc_info 
    58114 TypeError: cannot unpack non-iterable NoneType object 
    58115  
    58116 TypeError: cannot unpack non-iterable NoneType object 
    58117  
    58118 File
    58119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58120 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58121 etype, evalue, etraceback = exc_info 
    58122  
    58123 See log for complete Python traceback. 
    58124  
    58125 Traceback (most recent call last): 
    58126 File
    58127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58128 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58129 return self._func(self._name, data) 
    58130 File
    58131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58132 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58133 if v.display: 
    58134 File
    58135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58136 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58137 return self._any_displayed_positions and len(self._positions) > 0 
    58138 TypeError: object of type 'NoneType' has no len() 
    58139  
    58140 During handling of the above exception, another exception occurred: 
    58141  
    58142 Traceback (most recent call last): 
    58143 File
    58144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58145 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58146 if not self.draw_new_frame(): 
    58147 File
    58148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58149 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58150 changed = view.check_for_drawing_change() 
    58151 File
    58152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58153 packages/chimerax/core/graphics/view.py", line 252, in
    58154 check_for_drawing_change 
    58155 trig.activate_trigger('graphics update', self) 
    58156 File
    58157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58158 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58159 trigger.activate(data) 
    58160 File
    58161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58162 packages/chimerax/core/triggerset.py", line 190, in activate 
    58163 ret = handler.invoke(data, self._remove_bad_handlers) 
    58164 File
    58165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58166 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58167 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58168 File
    58169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58170 packages/chimerax/core/session.py", line 943, in <lambda> 
    58171 logger.report_exception(preface=preface)) 
    58172 File
    58173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58174 packages/chimerax/core/logger.py", line 421, in report_exception 
    58175 elif probably_chimera1_session(exc_info): 
    58176 File
    58177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58178 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58179 etype, evalue, etraceback = exc_info 
    58180 TypeError: cannot unpack non-iterable NoneType object 
    58181  
    58182 TypeError: cannot unpack non-iterable NoneType object 
    58183  
    58184 File
    58185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58186 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58187 etype, evalue, etraceback = exc_info 
    58188  
    58189 See log for complete Python traceback. 
    58190  
    58191 Traceback (most recent call last): 
    58192 File
    58193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58194 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58195 return self._func(self._name, data) 
    58196 File
    58197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58198 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58199 if v.display: 
    58200 File
    58201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58202 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58203 return self._any_displayed_positions and len(self._positions) > 0 
    58204 TypeError: object of type 'NoneType' has no len() 
    58205  
    58206 During handling of the above exception, another exception occurred: 
    58207  
    58208 Traceback (most recent call last): 
    58209 File
    58210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58211 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58212 if not self.draw_new_frame(): 
    58213 File
    58214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58215 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58216 changed = view.check_for_drawing_change() 
    58217 File
    58218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58219 packages/chimerax/core/graphics/view.py", line 252, in
    58220 check_for_drawing_change 
    58221 trig.activate_trigger('graphics update', self) 
    58222 File
    58223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58224 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58225 trigger.activate(data) 
    58226 File
    58227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58228 packages/chimerax/core/triggerset.py", line 190, in activate 
    58229 ret = handler.invoke(data, self._remove_bad_handlers) 
    58230 File
    58231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58232 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58233 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58234 File
    58235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58236 packages/chimerax/core/session.py", line 943, in <lambda> 
    58237 logger.report_exception(preface=preface)) 
    58238 File
    58239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58240 packages/chimerax/core/logger.py", line 421, in report_exception 
    58241 elif probably_chimera1_session(exc_info): 
    58242 File
    58243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58244 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58245 etype, evalue, etraceback = exc_info 
    58246 TypeError: cannot unpack non-iterable NoneType object 
    58247  
    58248 TypeError: cannot unpack non-iterable NoneType object 
    58249  
    58250 File
    58251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58252 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58253 etype, evalue, etraceback = exc_info 
    58254  
    58255 See log for complete Python traceback. 
    58256  
    58257 Traceback (most recent call last): 
    58258 File
    58259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58260 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58261 return self._func(self._name, data) 
    58262 File
    58263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58264 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58265 if v.display: 
    58266 File
    58267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58268 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58269 return self._any_displayed_positions and len(self._positions) > 0 
    58270 TypeError: object of type 'NoneType' has no len() 
    58271  
    58272 During handling of the above exception, another exception occurred: 
    58273  
    58274 Traceback (most recent call last): 
    58275 File
    58276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58277 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58278 if not self.draw_new_frame(): 
    58279 File
    58280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58281 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58282 changed = view.check_for_drawing_change() 
    58283 File
    58284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58285 packages/chimerax/core/graphics/view.py", line 252, in
    58286 check_for_drawing_change 
    58287 trig.activate_trigger('graphics update', self) 
    58288 File
    58289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58290 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58291 trigger.activate(data) 
    58292 File
    58293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58294 packages/chimerax/core/triggerset.py", line 190, in activate 
    58295 ret = handler.invoke(data, self._remove_bad_handlers) 
    58296 File
    58297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58298 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58299 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58300 File
    58301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58302 packages/chimerax/core/session.py", line 943, in <lambda> 
    58303 logger.report_exception(preface=preface)) 
    58304 File
    58305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58306 packages/chimerax/core/logger.py", line 421, in report_exception 
    58307 elif probably_chimera1_session(exc_info): 
    58308 File
    58309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58310 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58311 etype, evalue, etraceback = exc_info 
    58312 TypeError: cannot unpack non-iterable NoneType object 
    58313  
    58314 TypeError: cannot unpack non-iterable NoneType object 
    58315  
    58316 File
    58317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58318 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58319 etype, evalue, etraceback = exc_info 
    58320  
    58321 See log for complete Python traceback. 
    58322  
    58323 Traceback (most recent call last): 
    58324 File
    58325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58326 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58327 return self._func(self._name, data) 
    58328 File
    58329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58330 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58331 if v.display: 
    58332 File
    58333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58334 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58335 return self._any_displayed_positions and len(self._positions) > 0 
    58336 TypeError: object of type 'NoneType' has no len() 
    58337  
    58338 During handling of the above exception, another exception occurred: 
    58339  
    58340 Traceback (most recent call last): 
    58341 File
    58342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58343 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58344 if not self.draw_new_frame(): 
    58345 File
    58346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58347 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58348 changed = view.check_for_drawing_change() 
    58349 File
    58350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58351 packages/chimerax/core/graphics/view.py", line 252, in
    58352 check_for_drawing_change 
    58353 trig.activate_trigger('graphics update', self) 
    58354 File
    58355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58356 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58357 trigger.activate(data) 
    58358 File
    58359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58360 packages/chimerax/core/triggerset.py", line 190, in activate 
    58361 ret = handler.invoke(data, self._remove_bad_handlers) 
    58362 File
    58363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58364 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58365 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58366 File
    58367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58368 packages/chimerax/core/session.py", line 943, in <lambda> 
    58369 logger.report_exception(preface=preface)) 
    58370 File
    58371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58372 packages/chimerax/core/logger.py", line 421, in report_exception 
    58373 elif probably_chimera1_session(exc_info): 
    58374 File
    58375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58376 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58377 etype, evalue, etraceback = exc_info 
    58378 TypeError: cannot unpack non-iterable NoneType object 
    58379  
    58380 TypeError: cannot unpack non-iterable NoneType object 
    58381  
    58382 File
    58383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58384 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58385 etype, evalue, etraceback = exc_info 
    58386  
    58387 See log for complete Python traceback. 
    58388  
    58389 Traceback (most recent call last): 
    58390 File
    58391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58392 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58393 return self._func(self._name, data) 
    58394 File
    58395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58396 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58397 if v.display: 
    58398 File
    58399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58400 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58401 return self._any_displayed_positions and len(self._positions) > 0 
    58402 TypeError: object of type 'NoneType' has no len() 
    58403  
    58404 During handling of the above exception, another exception occurred: 
    58405  
    58406 Traceback (most recent call last): 
    58407 File
    58408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58409 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58410 if not self.draw_new_frame(): 
    58411 File
    58412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58413 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58414 changed = view.check_for_drawing_change() 
    58415 File
    58416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58417 packages/chimerax/core/graphics/view.py", line 252, in
    58418 check_for_drawing_change 
    58419 trig.activate_trigger('graphics update', self) 
    58420 File
    58421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58422 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58423 trigger.activate(data) 
    58424 File
    58425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58426 packages/chimerax/core/triggerset.py", line 190, in activate 
    58427 ret = handler.invoke(data, self._remove_bad_handlers) 
    58428 File
    58429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58430 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58431 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58432 File
    58433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58434 packages/chimerax/core/session.py", line 943, in <lambda> 
    58435 logger.report_exception(preface=preface)) 
    58436 File
    58437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58438 packages/chimerax/core/logger.py", line 421, in report_exception 
    58439 elif probably_chimera1_session(exc_info): 
    58440 File
    58441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58442 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58443 etype, evalue, etraceback = exc_info 
    58444 TypeError: cannot unpack non-iterable NoneType object 
    58445  
    58446 TypeError: cannot unpack non-iterable NoneType object 
    58447  
    58448 File
    58449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58450 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58451 etype, evalue, etraceback = exc_info 
    58452  
    58453 See log for complete Python traceback. 
    58454  
    58455 Traceback (most recent call last): 
    58456 File
    58457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58458 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58459 return self._func(self._name, data) 
    58460 File
    58461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58462 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58463 if v.display: 
    58464 File
    58465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58466 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58467 return self._any_displayed_positions and len(self._positions) > 0 
    58468 TypeError: object of type 'NoneType' has no len() 
    58469  
    58470 During handling of the above exception, another exception occurred: 
    58471  
    58472 Traceback (most recent call last): 
    58473 File
    58474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58475 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58476 if not self.draw_new_frame(): 
    58477 File
    58478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58479 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58480 changed = view.check_for_drawing_change() 
    58481 File
    58482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58483 packages/chimerax/core/graphics/view.py", line 252, in
    58484 check_for_drawing_change 
    58485 trig.activate_trigger('graphics update', self) 
    58486 File
    58487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58488 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58489 trigger.activate(data) 
    58490 File
    58491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58492 packages/chimerax/core/triggerset.py", line 190, in activate 
    58493 ret = handler.invoke(data, self._remove_bad_handlers) 
    58494 File
    58495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58496 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58497 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58498 File
    58499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58500 packages/chimerax/core/session.py", line 943, in <lambda> 
    58501 logger.report_exception(preface=preface)) 
    58502 File
    58503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58504 packages/chimerax/core/logger.py", line 421, in report_exception 
    58505 elif probably_chimera1_session(exc_info): 
    58506 File
    58507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58508 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58509 etype, evalue, etraceback = exc_info 
    58510 TypeError: cannot unpack non-iterable NoneType object 
    58511  
    58512 TypeError: cannot unpack non-iterable NoneType object 
    58513  
    58514 File
    58515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58516 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58517 etype, evalue, etraceback = exc_info 
    58518  
    58519 See log for complete Python traceback. 
    58520  
    58521 Traceback (most recent call last): 
    58522 File
    58523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58524 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58525 return self._func(self._name, data) 
    58526 File
    58527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58528 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58529 if v.display: 
    58530 File
    58531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58532 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58533 return self._any_displayed_positions and len(self._positions) > 0 
    58534 TypeError: object of type 'NoneType' has no len() 
    58535  
    58536 During handling of the above exception, another exception occurred: 
    58537  
    58538 Traceback (most recent call last): 
    58539 File
    58540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58541 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58542 if not self.draw_new_frame(): 
    58543 File
    58544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58545 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58546 changed = view.check_for_drawing_change() 
    58547 File
    58548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58549 packages/chimerax/core/graphics/view.py", line 252, in
    58550 check_for_drawing_change 
    58551 trig.activate_trigger('graphics update', self) 
    58552 File
    58553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58554 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58555 trigger.activate(data) 
    58556 File
    58557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58558 packages/chimerax/core/triggerset.py", line 190, in activate 
    58559 ret = handler.invoke(data, self._remove_bad_handlers) 
    58560 File
    58561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58562 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58563 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58564 File
    58565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58566 packages/chimerax/core/session.py", line 943, in <lambda> 
    58567 logger.report_exception(preface=preface)) 
    58568 File
    58569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58570 packages/chimerax/core/logger.py", line 421, in report_exception 
    58571 elif probably_chimera1_session(exc_info): 
    58572 File
    58573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58574 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58575 etype, evalue, etraceback = exc_info 
    58576 TypeError: cannot unpack non-iterable NoneType object 
    58577  
    58578 TypeError: cannot unpack non-iterable NoneType object 
    58579  
    58580 File
    58581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58582 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58583 etype, evalue, etraceback = exc_info 
    58584  
    58585 See log for complete Python traceback. 
    58586  
    58587 Traceback (most recent call last): 
    58588 File
    58589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58590 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58591 return self._func(self._name, data) 
    58592 File
    58593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58594 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58595 if v.display: 
    58596 File
    58597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58598 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58599 return self._any_displayed_positions and len(self._positions) > 0 
    58600 TypeError: object of type 'NoneType' has no len() 
    58601  
    58602 During handling of the above exception, another exception occurred: 
    58603  
    58604 Traceback (most recent call last): 
    58605 File
    58606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58607 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58608 if not self.draw_new_frame(): 
    58609 File
    58610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58611 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58612 changed = view.check_for_drawing_change() 
    58613 File
    58614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58615 packages/chimerax/core/graphics/view.py", line 252, in
    58616 check_for_drawing_change 
    58617 trig.activate_trigger('graphics update', self) 
    58618 File
    58619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58620 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58621 trigger.activate(data) 
    58622 File
    58623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58624 packages/chimerax/core/triggerset.py", line 190, in activate 
    58625 ret = handler.invoke(data, self._remove_bad_handlers) 
    58626 File
    58627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58628 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58629 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58630 File
    58631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58632 packages/chimerax/core/session.py", line 943, in <lambda> 
    58633 logger.report_exception(preface=preface)) 
    58634 File
    58635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58636 packages/chimerax/core/logger.py", line 421, in report_exception 
    58637 elif probably_chimera1_session(exc_info): 
    58638 File
    58639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58640 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58641 etype, evalue, etraceback = exc_info 
    58642 TypeError: cannot unpack non-iterable NoneType object 
    58643  
    58644 TypeError: cannot unpack non-iterable NoneType object 
    58645  
    58646 File
    58647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58648 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58649 etype, evalue, etraceback = exc_info 
    58650  
    58651 See log for complete Python traceback. 
    58652  
    58653 Traceback (most recent call last): 
    58654 File
    58655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58656 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58657 return self._func(self._name, data) 
    58658 File
    58659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58660 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58661 if v.display: 
    58662 File
    58663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58664 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58665 return self._any_displayed_positions and len(self._positions) > 0 
    58666 TypeError: object of type 'NoneType' has no len() 
    58667  
    58668 During handling of the above exception, another exception occurred: 
    58669  
    58670 Traceback (most recent call last): 
    58671 File
    58672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58673 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58674 if not self.draw_new_frame(): 
    58675 File
    58676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58677 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58678 changed = view.check_for_drawing_change() 
    58679 File
    58680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58681 packages/chimerax/core/graphics/view.py", line 252, in
    58682 check_for_drawing_change 
    58683 trig.activate_trigger('graphics update', self) 
    58684 File
    58685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58686 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58687 trigger.activate(data) 
    58688 File
    58689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58690 packages/chimerax/core/triggerset.py", line 190, in activate 
    58691 ret = handler.invoke(data, self._remove_bad_handlers) 
    58692 File
    58693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58694 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58695 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58696 File
    58697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58698 packages/chimerax/core/session.py", line 943, in <lambda> 
    58699 logger.report_exception(preface=preface)) 
    58700 File
    58701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58702 packages/chimerax/core/logger.py", line 421, in report_exception 
    58703 elif probably_chimera1_session(exc_info): 
    58704 File
    58705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58706 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58707 etype, evalue, etraceback = exc_info 
    58708 TypeError: cannot unpack non-iterable NoneType object 
    58709  
    58710 TypeError: cannot unpack non-iterable NoneType object 
    58711  
    58712 File
    58713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58714 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58715 etype, evalue, etraceback = exc_info 
    58716  
    58717 See log for complete Python traceback. 
    58718  
    58719 Traceback (most recent call last): 
    58720 File
    58721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58722 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58723 return self._func(self._name, data) 
    58724 File
    58725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58726 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58727 if v.display: 
    58728 File
    58729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58730 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58731 return self._any_displayed_positions and len(self._positions) > 0 
    58732 TypeError: object of type 'NoneType' has no len() 
    58733  
    58734 During handling of the above exception, another exception occurred: 
    58735  
    58736 Traceback (most recent call last): 
    58737 File
    58738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58739 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58740 if not self.draw_new_frame(): 
    58741 File
    58742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58743 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58744 changed = view.check_for_drawing_change() 
    58745 File
    58746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58747 packages/chimerax/core/graphics/view.py", line 252, in
    58748 check_for_drawing_change 
    58749 trig.activate_trigger('graphics update', self) 
    58750 File
    58751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58752 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58753 trigger.activate(data) 
    58754 File
    58755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58756 packages/chimerax/core/triggerset.py", line 190, in activate 
    58757 ret = handler.invoke(data, self._remove_bad_handlers) 
    58758 File
    58759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58760 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58761 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58762 File
    58763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58764 packages/chimerax/core/session.py", line 943, in <lambda> 
    58765 logger.report_exception(preface=preface)) 
    58766 File
    58767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58768 packages/chimerax/core/logger.py", line 421, in report_exception 
    58769 elif probably_chimera1_session(exc_info): 
    58770 File
    58771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58772 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58773 etype, evalue, etraceback = exc_info 
    58774 TypeError: cannot unpack non-iterable NoneType object 
    58775  
    58776 TypeError: cannot unpack non-iterable NoneType object 
    58777  
    58778 File
    58779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58780 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58781 etype, evalue, etraceback = exc_info 
    58782  
    58783 See log for complete Python traceback. 
    58784  
    58785 Traceback (most recent call last): 
    58786 File
    58787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58788 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58789 return self._func(self._name, data) 
    58790 File
    58791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58792 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58793 if v.display: 
    58794 File
    58795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58796 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58797 return self._any_displayed_positions and len(self._positions) > 0 
    58798 TypeError: object of type 'NoneType' has no len() 
    58799  
    58800 During handling of the above exception, another exception occurred: 
    58801  
    58802 Traceback (most recent call last): 
    58803 File
    58804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58805 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58806 if not self.draw_new_frame(): 
    58807 File
    58808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58809 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58810 changed = view.check_for_drawing_change() 
    58811 File
    58812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58813 packages/chimerax/core/graphics/view.py", line 252, in
    58814 check_for_drawing_change 
    58815 trig.activate_trigger('graphics update', self) 
    58816 File
    58817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58818 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58819 trigger.activate(data) 
    58820 File
    58821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58822 packages/chimerax/core/triggerset.py", line 190, in activate 
    58823 ret = handler.invoke(data, self._remove_bad_handlers) 
    58824 File
    58825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58826 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58827 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58828 File
    58829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58830 packages/chimerax/core/session.py", line 943, in <lambda> 
    58831 logger.report_exception(preface=preface)) 
    58832 File
    58833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58834 packages/chimerax/core/logger.py", line 421, in report_exception 
    58835 elif probably_chimera1_session(exc_info): 
    58836 File
    58837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58838 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58839 etype, evalue, etraceback = exc_info 
    58840 TypeError: cannot unpack non-iterable NoneType object 
    58841  
    58842 TypeError: cannot unpack non-iterable NoneType object 
    58843  
    58844 File
    58845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58846 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58847 etype, evalue, etraceback = exc_info 
    58848  
    58849 See log for complete Python traceback. 
    58850  
    58851 Traceback (most recent call last): 
    58852 File
    58853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58854 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58855 return self._func(self._name, data) 
    58856 File
    58857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58858 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58859 if v.display: 
    58860 File
    58861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58862 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58863 return self._any_displayed_positions and len(self._positions) > 0 
    58864 TypeError: object of type 'NoneType' has no len() 
    58865  
    58866 During handling of the above exception, another exception occurred: 
    58867  
    58868 Traceback (most recent call last): 
    58869 File
    58870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58871 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58872 if not self.draw_new_frame(): 
    58873 File
    58874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58875 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58876 changed = view.check_for_drawing_change() 
    58877 File
    58878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58879 packages/chimerax/core/graphics/view.py", line 252, in
    58880 check_for_drawing_change 
    58881 trig.activate_trigger('graphics update', self) 
    58882 File
    58883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58884 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58885 trigger.activate(data) 
    58886 File
    58887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58888 packages/chimerax/core/triggerset.py", line 190, in activate 
    58889 ret = handler.invoke(data, self._remove_bad_handlers) 
    58890 File
    58891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58892 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58893 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58894 File
    58895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58896 packages/chimerax/core/session.py", line 943, in <lambda> 
    58897 logger.report_exception(preface=preface)) 
    58898 File
    58899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58900 packages/chimerax/core/logger.py", line 421, in report_exception 
    58901 elif probably_chimera1_session(exc_info): 
    58902 File
    58903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58904 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58905 etype, evalue, etraceback = exc_info 
    58906 TypeError: cannot unpack non-iterable NoneType object 
    58907  
    58908 TypeError: cannot unpack non-iterable NoneType object 
    58909  
    58910 File
    58911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58912 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58913 etype, evalue, etraceback = exc_info 
    58914  
    58915 See log for complete Python traceback. 
    58916  
    58917 Traceback (most recent call last): 
    58918 File
    58919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58920 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58921 return self._func(self._name, data) 
    58922 File
    58923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58924 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58925 if v.display: 
    58926 File
    58927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58928 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58929 return self._any_displayed_positions and len(self._positions) > 0 
    58930 TypeError: object of type 'NoneType' has no len() 
    58931  
    58932 During handling of the above exception, another exception occurred: 
    58933  
    58934 Traceback (most recent call last): 
    58935 File
    58936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58937 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    58938 if not self.draw_new_frame(): 
    58939 File
    58940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58941 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    58942 changed = view.check_for_drawing_change() 
    58943 File
    58944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58945 packages/chimerax/core/graphics/view.py", line 252, in
    58946 check_for_drawing_change 
    58947 trig.activate_trigger('graphics update', self) 
    58948 File
    58949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58950 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    58951 trigger.activate(data) 
    58952 File
    58953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58954 packages/chimerax/core/triggerset.py", line 190, in activate 
    58955 ret = handler.invoke(data, self._remove_bad_handlers) 
    58956 File
    58957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58958 packages/chimerax/core/triggerset.py", line 132, in invoke 
    58959 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    58960 File
    58961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58962 packages/chimerax/core/session.py", line 943, in <lambda> 
    58963 logger.report_exception(preface=preface)) 
    58964 File
    58965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58966 packages/chimerax/core/logger.py", line 421, in report_exception 
    58967 elif probably_chimera1_session(exc_info): 
    58968 File
    58969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58970 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58971 etype, evalue, etraceback = exc_info 
    58972 TypeError: cannot unpack non-iterable NoneType object 
    58973  
    58974 TypeError: cannot unpack non-iterable NoneType object 
    58975  
    58976 File
    58977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58978 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    58979 etype, evalue, etraceback = exc_info 
    58980  
    58981 See log for complete Python traceback. 
    58982  
    58983 Traceback (most recent call last): 
    58984 File
    58985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58986 packages/chimerax/core/triggerset.py", line 130, in invoke 
    58987 return self._func(self._name, data) 
    58988 File
    58989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58990 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    58991 if v.display: 
    58992 File
    58993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    58994 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    58995 return self._any_displayed_positions and len(self._positions) > 0 
    58996 TypeError: object of type 'NoneType' has no len() 
    58997  
    58998 During handling of the above exception, another exception occurred: 
    58999  
    59000 Traceback (most recent call last): 
    59001 File
    59002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59003 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59004 if not self.draw_new_frame(): 
    59005 File
    59006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59007 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59008 changed = view.check_for_drawing_change() 
    59009 File
    59010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59011 packages/chimerax/core/graphics/view.py", line 252, in
    59012 check_for_drawing_change 
    59013 trig.activate_trigger('graphics update', self) 
    59014 File
    59015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59016 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59017 trigger.activate(data) 
    59018 File
    59019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59020 packages/chimerax/core/triggerset.py", line 190, in activate 
    59021 ret = handler.invoke(data, self._remove_bad_handlers) 
    59022 File
    59023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59024 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59025 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59026 File
    59027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59028 packages/chimerax/core/session.py", line 943, in <lambda> 
    59029 logger.report_exception(preface=preface)) 
    59030 File
    59031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59032 packages/chimerax/core/logger.py", line 421, in report_exception 
    59033 elif probably_chimera1_session(exc_info): 
    59034 File
    59035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59036 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59037 etype, evalue, etraceback = exc_info 
    59038 TypeError: cannot unpack non-iterable NoneType object 
    59039  
    59040 TypeError: cannot unpack non-iterable NoneType object 
    59041  
    59042 File
    59043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59044 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59045 etype, evalue, etraceback = exc_info 
    59046  
    59047 See log for complete Python traceback. 
    59048  
    59049 Traceback (most recent call last): 
    59050 File
    59051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59052 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59053 return self._func(self._name, data) 
    59054 File
    59055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59056 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59057 if v.display: 
    59058 File
    59059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59060 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59061 return self._any_displayed_positions and len(self._positions) > 0 
    59062 TypeError: object of type 'NoneType' has no len() 
    59063  
    59064 During handling of the above exception, another exception occurred: 
    59065  
    59066 Traceback (most recent call last): 
    59067 File
    59068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59069 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59070 if not self.draw_new_frame(): 
    59071 File
    59072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59073 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59074 changed = view.check_for_drawing_change() 
    59075 File
    59076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59077 packages/chimerax/core/graphics/view.py", line 252, in
    59078 check_for_drawing_change 
    59079 trig.activate_trigger('graphics update', self) 
    59080 File
    59081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59082 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59083 trigger.activate(data) 
    59084 File
    59085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59086 packages/chimerax/core/triggerset.py", line 190, in activate 
    59087 ret = handler.invoke(data, self._remove_bad_handlers) 
    59088 File
    59089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59090 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59091 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59092 File
    59093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59094 packages/chimerax/core/session.py", line 943, in <lambda> 
    59095 logger.report_exception(preface=preface)) 
    59096 File
    59097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59098 packages/chimerax/core/logger.py", line 421, in report_exception 
    59099 elif probably_chimera1_session(exc_info): 
    59100 File
    59101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59102 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59103 etype, evalue, etraceback = exc_info 
    59104 TypeError: cannot unpack non-iterable NoneType object 
    59105  
    59106 TypeError: cannot unpack non-iterable NoneType object 
    59107  
    59108 File
    59109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59110 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59111 etype, evalue, etraceback = exc_info 
    59112  
    59113 See log for complete Python traceback. 
    59114  
    59115 Traceback (most recent call last): 
    59116 File
    59117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59119 return self._func(self._name, data) 
    59120 File
    59121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59122 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59123 if v.display: 
    59124 File
    59125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59126 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59127 return self._any_displayed_positions and len(self._positions) > 0 
    59128 TypeError: object of type 'NoneType' has no len() 
    59129  
    59130 During handling of the above exception, another exception occurred: 
    59131  
    59132 Traceback (most recent call last): 
    59133 File
    59134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59135 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59136 if not self.draw_new_frame(): 
    59137 File
    59138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59139 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59140 changed = view.check_for_drawing_change() 
    59141 File
    59142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59143 packages/chimerax/core/graphics/view.py", line 252, in
    59144 check_for_drawing_change 
    59145 trig.activate_trigger('graphics update', self) 
    59146 File
    59147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59148 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59149 trigger.activate(data) 
    59150 File
    59151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59152 packages/chimerax/core/triggerset.py", line 190, in activate 
    59153 ret = handler.invoke(data, self._remove_bad_handlers) 
    59154 File
    59155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59156 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59157 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59158 File
    59159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59160 packages/chimerax/core/session.py", line 943, in <lambda> 
    59161 logger.report_exception(preface=preface)) 
    59162 File
    59163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59164 packages/chimerax/core/logger.py", line 421, in report_exception 
    59165 elif probably_chimera1_session(exc_info): 
    59166 File
    59167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59168 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59169 etype, evalue, etraceback = exc_info 
    59170 TypeError: cannot unpack non-iterable NoneType object 
    59171  
    59172 TypeError: cannot unpack non-iterable NoneType object 
    59173  
    59174 File
    59175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59176 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59177 etype, evalue, etraceback = exc_info 
    59178  
    59179 See log for complete Python traceback. 
    59180  
    59181 Traceback (most recent call last): 
    59182 File
    59183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59184 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59185 return self._func(self._name, data) 
    59186 File
    59187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59188 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59189 if v.display: 
    59190 File
    59191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59192 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59193 return self._any_displayed_positions and len(self._positions) > 0 
    59194 TypeError: object of type 'NoneType' has no len() 
    59195  
    59196 During handling of the above exception, another exception occurred: 
    59197  
    59198 Traceback (most recent call last): 
    59199 File
    59200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59201 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59202 if not self.draw_new_frame(): 
    59203 File
    59204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59205 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59206 changed = view.check_for_drawing_change() 
    59207 File
    59208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59209 packages/chimerax/core/graphics/view.py", line 252, in
    59210 check_for_drawing_change 
    59211 trig.activate_trigger('graphics update', self) 
    59212 File
    59213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59214 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59215 trigger.activate(data) 
    59216 File
    59217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59218 packages/chimerax/core/triggerset.py", line 190, in activate 
    59219 ret = handler.invoke(data, self._remove_bad_handlers) 
    59220 File
    59221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59222 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59223 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59224 File
    59225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59226 packages/chimerax/core/session.py", line 943, in <lambda> 
    59227 logger.report_exception(preface=preface)) 
    59228 File
    59229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59230 packages/chimerax/core/logger.py", line 421, in report_exception 
    59231 elif probably_chimera1_session(exc_info): 
    59232 File
    59233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59234 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59235 etype, evalue, etraceback = exc_info 
    59236 TypeError: cannot unpack non-iterable NoneType object 
    59237  
    59238 TypeError: cannot unpack non-iterable NoneType object 
    59239  
    59240 File
    59241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59242 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59243 etype, evalue, etraceback = exc_info 
    59244  
    59245 See log for complete Python traceback. 
    59246  
    59247 Traceback (most recent call last): 
    59248 File
    59249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59250 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59251 return self._func(self._name, data) 
    59252 File
    59253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59254 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59255 if v.display: 
    59256 File
    59257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59258 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59259 return self._any_displayed_positions and len(self._positions) > 0 
    59260 TypeError: object of type 'NoneType' has no len() 
    59261  
    59262 During handling of the above exception, another exception occurred: 
    59263  
    59264 Traceback (most recent call last): 
    59265 File
    59266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59267 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59268 if not self.draw_new_frame(): 
    59269 File
    59270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59271 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59272 changed = view.check_for_drawing_change() 
    59273 File
    59274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59275 packages/chimerax/core/graphics/view.py", line 252, in
    59276 check_for_drawing_change 
    59277 trig.activate_trigger('graphics update', self) 
    59278 File
    59279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59280 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59281 trigger.activate(data) 
    59282 File
    59283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59284 packages/chimerax/core/triggerset.py", line 190, in activate 
    59285 ret = handler.invoke(data, self._remove_bad_handlers) 
    59286 File
    59287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59288 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59289 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59290 File
    59291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59292 packages/chimerax/core/session.py", line 943, in <lambda> 
    59293 logger.report_exception(preface=preface)) 
    59294 File
    59295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59296 packages/chimerax/core/logger.py", line 421, in report_exception 
    59297 elif probably_chimera1_session(exc_info): 
    59298 File
    59299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59300 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59301 etype, evalue, etraceback = exc_info 
    59302 TypeError: cannot unpack non-iterable NoneType object 
    59303  
    59304 TypeError: cannot unpack non-iterable NoneType object 
    59305  
    59306 File
    59307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59308 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59309 etype, evalue, etraceback = exc_info 
    59310  
    59311 See log for complete Python traceback. 
    59312  
    59313 Traceback (most recent call last): 
    59314 File
    59315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59316 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59317 return self._func(self._name, data) 
    59318 File
    59319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59320 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59321 if v.display: 
    59322 File
    59323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59324 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59325 return self._any_displayed_positions and len(self._positions) > 0 
    59326 TypeError: object of type 'NoneType' has no len() 
    59327  
    59328 During handling of the above exception, another exception occurred: 
    59329  
    59330 Traceback (most recent call last): 
    59331 File
    59332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59333 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59334 if not self.draw_new_frame(): 
    59335 File
    59336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59337 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59338 changed = view.check_for_drawing_change() 
    59339 File
    59340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59341 packages/chimerax/core/graphics/view.py", line 252, in
    59342 check_for_drawing_change 
    59343 trig.activate_trigger('graphics update', self) 
    59344 File
    59345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59346 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59347 trigger.activate(data) 
    59348 File
    59349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59350 packages/chimerax/core/triggerset.py", line 190, in activate 
    59351 ret = handler.invoke(data, self._remove_bad_handlers) 
    59352 File
    59353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59354 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59355 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59356 File
    59357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59358 packages/chimerax/core/session.py", line 943, in <lambda> 
    59359 logger.report_exception(preface=preface)) 
    59360 File
    59361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59362 packages/chimerax/core/logger.py", line 421, in report_exception 
    59363 elif probably_chimera1_session(exc_info): 
    59364 File
    59365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59366 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59367 etype, evalue, etraceback = exc_info 
    59368 TypeError: cannot unpack non-iterable NoneType object 
    59369  
    59370 TypeError: cannot unpack non-iterable NoneType object 
    59371  
    59372 File
    59373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59374 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59375 etype, evalue, etraceback = exc_info 
    59376  
    59377 See log for complete Python traceback. 
    59378  
    59379 Traceback (most recent call last): 
    59380 File
    59381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59382 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59383 return self._func(self._name, data) 
    59384 File
    59385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59386 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59387 if v.display: 
    59388 File
    59389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59390 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59391 return self._any_displayed_positions and len(self._positions) > 0 
    59392 TypeError: object of type 'NoneType' has no len() 
    59393  
    59394 During handling of the above exception, another exception occurred: 
    59395  
    59396 Traceback (most recent call last): 
    59397 File
    59398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59399 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59400 if not self.draw_new_frame(): 
    59401 File
    59402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59403 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59404 changed = view.check_for_drawing_change() 
    59405 File
    59406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59407 packages/chimerax/core/graphics/view.py", line 252, in
    59408 check_for_drawing_change 
    59409 trig.activate_trigger('graphics update', self) 
    59410 File
    59411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59412 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59413 trigger.activate(data) 
    59414 File
    59415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59416 packages/chimerax/core/triggerset.py", line 190, in activate 
    59417 ret = handler.invoke(data, self._remove_bad_handlers) 
    59418 File
    59419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59420 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59421 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59422 File
    59423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59424 packages/chimerax/core/session.py", line 943, in <lambda> 
    59425 logger.report_exception(preface=preface)) 
    59426 File
    59427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59428 packages/chimerax/core/logger.py", line 421, in report_exception 
    59429 elif probably_chimera1_session(exc_info): 
    59430 File
    59431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59432 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59433 etype, evalue, etraceback = exc_info 
    59434 TypeError: cannot unpack non-iterable NoneType object 
    59435  
    59436 TypeError: cannot unpack non-iterable NoneType object 
    59437  
    59438 File
    59439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59440 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59441 etype, evalue, etraceback = exc_info 
    59442  
    59443 See log for complete Python traceback. 
    59444  
    59445 Traceback (most recent call last): 
    59446 File
    59447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59448 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59449 return self._func(self._name, data) 
    59450 File
    59451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59452 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59453 if v.display: 
    59454 File
    59455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59456 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59457 return self._any_displayed_positions and len(self._positions) > 0 
    59458 TypeError: object of type 'NoneType' has no len() 
    59459  
    59460 During handling of the above exception, another exception occurred: 
    59461  
    59462 Traceback (most recent call last): 
    59463 File
    59464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59465 packages/chimerax/mouse_modes/mousemodes.py", line 441, in <lambda> 
    59466 gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag") 
    59467 File
    59468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59469 packages/chimerax/mouse_modes/mousemodes.py", line 371, in
    59470 _dispatch_mouse_event 
    59471 f(MouseEvent(event)) 
    59472 File
    59473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59474 packages/chimerax/mouse_modes/std_modes.py", line 244, in mouse_drag 
    59475 self.rotate(axis, angle) 
    59476 File
    59477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59478 packages/chimerax/mouse_modes/std_modes.py", line 254, in rotate 
    59479 self.view.rotate(saxis, angle, self.models()) 
    59480 File
    59481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59482 packages/chimerax/core/graphics/view.py", line 850, in rotate 
    59483 center = self.center_of_rotation 
    59484 File
    59485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59486 packages/chimerax/core/graphics/view.py", line 609, in _get_cofr 
    59487 cofr = self._compute_center_of_rotation() 
    59488 File
    59489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59490 packages/chimerax/core/graphics/view.py", line 636, in
    59491 _compute_center_of_rotation 
    59492 p = self._front_center_cofr() 
    59493 File
    59494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59495 packages/chimerax/core/graphics/view.py", line 667, in _front_center_cofr 
    59496 b = self.drawing_bounds() 
    59497 File
    59498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59499 packages/chimerax/core/graphics/view.py", line 550, in drawing_bounds 
    59500 self.check_for_drawing_change() 
    59501 File
    59502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59503 packages/chimerax/core/graphics/view.py", line 252, in
    59504 check_for_drawing_change 
    59505 trig.activate_trigger('graphics update', self) 
    59506 File
    59507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59508 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59509 trigger.activate(data) 
    59510 File
    59511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59512 packages/chimerax/core/triggerset.py", line 190, in activate 
    59513 ret = handler.invoke(data, self._remove_bad_handlers) 
    59514 File
    59515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59516 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59517 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59518 File
    59519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59520 packages/chimerax/core/session.py", line 943, in <lambda> 
    59521 logger.report_exception(preface=preface)) 
    59522 File
    59523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59524 packages/chimerax/core/logger.py", line 421, in report_exception 
    59525 elif probably_chimera1_session(exc_info): 
    59526 File
    59527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59528 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59529 etype, evalue, etraceback = exc_info 
    59530 TypeError: cannot unpack non-iterable NoneType object 
    59531  
    59532 TypeError: cannot unpack non-iterable NoneType object 
    59533  
    59534 File
    59535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59536 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59537 etype, evalue, etraceback = exc_info 
    59538  
    59539 See log for complete Python traceback. 
    59540  
    59541 Traceback (most recent call last): 
    59542 File
    59543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59544 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59545 return self._func(self._name, data) 
    59546 File
    59547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59548 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59549 if v.display: 
    59550 File
    59551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59552 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59553 return self._any_displayed_positions and len(self._positions) > 0 
    59554 TypeError: object of type 'NoneType' has no len() 
    59555  
    59556 During handling of the above exception, another exception occurred: 
    59557  
    59558 Traceback (most recent call last): 
    59559 File
    59560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59561 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59562 if not self.draw_new_frame(): 
    59563 File
    59564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59565 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59566 changed = view.check_for_drawing_change() 
    59567 File
    59568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59569 packages/chimerax/core/graphics/view.py", line 252, in
    59570 check_for_drawing_change 
    59571 trig.activate_trigger('graphics update', self) 
    59572 File
    59573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59574 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59575 trigger.activate(data) 
    59576 File
    59577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59578 packages/chimerax/core/triggerset.py", line 190, in activate 
    59579 ret = handler.invoke(data, self._remove_bad_handlers) 
    59580 File
    59581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59582 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59583 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59584 File
    59585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59586 packages/chimerax/core/session.py", line 943, in <lambda> 
    59587 logger.report_exception(preface=preface)) 
    59588 File
    59589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59590 packages/chimerax/core/logger.py", line 421, in report_exception 
    59591 elif probably_chimera1_session(exc_info): 
    59592 File
    59593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59594 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59595 etype, evalue, etraceback = exc_info 
    59596 TypeError: cannot unpack non-iterable NoneType object 
    59597  
    59598 TypeError: cannot unpack non-iterable NoneType object 
    59599  
    59600 File
    59601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59602 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59603 etype, evalue, etraceback = exc_info 
    59604  
    59605 See log for complete Python traceback. 
    59606  
    59607 Traceback (most recent call last): 
    59608 File
    59609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59610 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59611 return self._func(self._name, data) 
    59612 File
    59613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59614 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59615 if v.display: 
    59616 File
    59617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59618 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59619 return self._any_displayed_positions and len(self._positions) > 0 
    59620 TypeError: object of type 'NoneType' has no len() 
    59621  
    59622 During handling of the above exception, another exception occurred: 
    59623  
    59624 Traceback (most recent call last): 
    59625 File
    59626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59627 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59628 if not self.draw_new_frame(): 
    59629 File
    59630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59631 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59632 changed = view.check_for_drawing_change() 
    59633 File
    59634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59635 packages/chimerax/core/graphics/view.py", line 252, in
    59636 check_for_drawing_change 
    59637 trig.activate_trigger('graphics update', self) 
    59638 File
    59639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59640 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59641 trigger.activate(data) 
    59642 File
    59643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59644 packages/chimerax/core/triggerset.py", line 190, in activate 
    59645 ret = handler.invoke(data, self._remove_bad_handlers) 
    59646 File
    59647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59648 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59649 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59650 File
    59651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59652 packages/chimerax/core/session.py", line 943, in <lambda> 
    59653 logger.report_exception(preface=preface)) 
    59654 File
    59655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59656 packages/chimerax/core/logger.py", line 421, in report_exception 
    59657 elif probably_chimera1_session(exc_info): 
    59658 File
    59659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59660 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59661 etype, evalue, etraceback = exc_info 
    59662 TypeError: cannot unpack non-iterable NoneType object 
    59663  
    59664 TypeError: cannot unpack non-iterable NoneType object 
    59665  
    59666 File
    59667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59668 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59669 etype, evalue, etraceback = exc_info 
    59670  
    59671 See log for complete Python traceback. 
    59672  
    59673 Traceback (most recent call last): 
    59674 File
    59675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59676 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59677 return self._func(self._name, data) 
    59678 File
    59679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59680 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59681 if v.display: 
    59682 File
    59683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59684 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59685 return self._any_displayed_positions and len(self._positions) > 0 
    59686 TypeError: object of type 'NoneType' has no len() 
    59687  
    59688 During handling of the above exception, another exception occurred: 
    59689  
    59690 Traceback (most recent call last): 
    59691 File
    59692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59693 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59694 if not self.draw_new_frame(): 
    59695 File
    59696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59697 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59698 changed = view.check_for_drawing_change() 
    59699 File
    59700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59701 packages/chimerax/core/graphics/view.py", line 252, in
    59702 check_for_drawing_change 
    59703 trig.activate_trigger('graphics update', self) 
    59704 File
    59705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59706 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59707 trigger.activate(data) 
    59708 File
    59709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59710 packages/chimerax/core/triggerset.py", line 190, in activate 
    59711 ret = handler.invoke(data, self._remove_bad_handlers) 
    59712 File
    59713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59714 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59715 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59716 File
    59717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59718 packages/chimerax/core/session.py", line 943, in <lambda> 
    59719 logger.report_exception(preface=preface)) 
    59720 File
    59721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59722 packages/chimerax/core/logger.py", line 421, in report_exception 
    59723 elif probably_chimera1_session(exc_info): 
    59724 File
    59725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59726 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59727 etype, evalue, etraceback = exc_info 
    59728 TypeError: cannot unpack non-iterable NoneType object 
    59729  
    59730 TypeError: cannot unpack non-iterable NoneType object 
    59731  
    59732 File
    59733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59734 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59735 etype, evalue, etraceback = exc_info 
    59736  
    59737 See log for complete Python traceback. 
    59738  
    59739 Traceback (most recent call last): 
    59740 File
    59741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59742 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59743 return self._func(self._name, data) 
    59744 File
    59745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59746 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59747 if v.display: 
    59748 File
    59749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59750 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59751 return self._any_displayed_positions and len(self._positions) > 0 
    59752 TypeError: object of type 'NoneType' has no len() 
    59753  
    59754 During handling of the above exception, another exception occurred: 
    59755  
    59756 Traceback (most recent call last): 
    59757 File
    59758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59759 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59760 if not self.draw_new_frame(): 
    59761 File
    59762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59763 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59764 changed = view.check_for_drawing_change() 
    59765 File
    59766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59767 packages/chimerax/core/graphics/view.py", line 252, in
    59768 check_for_drawing_change 
    59769 trig.activate_trigger('graphics update', self) 
    59770 File
    59771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59772 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59773 trigger.activate(data) 
    59774 File
    59775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59776 packages/chimerax/core/triggerset.py", line 190, in activate 
    59777 ret = handler.invoke(data, self._remove_bad_handlers) 
    59778 File
    59779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59780 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59781 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59782 File
    59783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59784 packages/chimerax/core/session.py", line 943, in <lambda> 
    59785 logger.report_exception(preface=preface)) 
    59786 File
    59787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59788 packages/chimerax/core/logger.py", line 421, in report_exception 
    59789 elif probably_chimera1_session(exc_info): 
    59790 File
    59791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59792 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59793 etype, evalue, etraceback = exc_info 
    59794 TypeError: cannot unpack non-iterable NoneType object 
    59795  
    59796 TypeError: cannot unpack non-iterable NoneType object 
    59797  
    59798 File
    59799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59800 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59801 etype, evalue, etraceback = exc_info 
    59802  
    59803 See log for complete Python traceback. 
    59804  
    59805 Traceback (most recent call last): 
    59806 File
    59807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59808 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59809 return self._func(self._name, data) 
    59810 File
    59811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59812 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59813 if v.display: 
    59814 File
    59815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59816 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59817 return self._any_displayed_positions and len(self._positions) > 0 
    59818 TypeError: object of type 'NoneType' has no len() 
    59819  
    59820 During handling of the above exception, another exception occurred: 
    59821  
    59822 Traceback (most recent call last): 
    59823 File
    59824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59825 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59826 if not self.draw_new_frame(): 
    59827 File
    59828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59829 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59830 changed = view.check_for_drawing_change() 
    59831 File
    59832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59833 packages/chimerax/core/graphics/view.py", line 252, in
    59834 check_for_drawing_change 
    59835 trig.activate_trigger('graphics update', self) 
    59836 File
    59837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59838 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59839 trigger.activate(data) 
    59840 File
    59841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59842 packages/chimerax/core/triggerset.py", line 190, in activate 
    59843 ret = handler.invoke(data, self._remove_bad_handlers) 
    59844 File
    59845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59846 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59847 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59848 File
    59849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59850 packages/chimerax/core/session.py", line 943, in <lambda> 
    59851 logger.report_exception(preface=preface)) 
    59852 File
    59853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59854 packages/chimerax/core/logger.py", line 421, in report_exception 
    59855 elif probably_chimera1_session(exc_info): 
    59856 File
    59857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59858 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59859 etype, evalue, etraceback = exc_info 
    59860 TypeError: cannot unpack non-iterable NoneType object 
    59861  
    59862 TypeError: cannot unpack non-iterable NoneType object 
    59863  
    59864 File
    59865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59866 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59867 etype, evalue, etraceback = exc_info 
    59868  
    59869 See log for complete Python traceback. 
    59870  
    59871 Traceback (most recent call last): 
    59872 File
    59873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59874 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59875 return self._func(self._name, data) 
    59876 File
    59877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59878 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59879 if v.display: 
    59880 File
    59881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59882 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59883 return self._any_displayed_positions and len(self._positions) > 0 
    59884 TypeError: object of type 'NoneType' has no len() 
    59885  
    59886 During handling of the above exception, another exception occurred: 
    59887  
    59888 Traceback (most recent call last): 
    59889 File
    59890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59891 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59892 if not self.draw_new_frame(): 
    59893 File
    59894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59895 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59896 changed = view.check_for_drawing_change() 
    59897 File
    59898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59899 packages/chimerax/core/graphics/view.py", line 252, in
    59900 check_for_drawing_change 
    59901 trig.activate_trigger('graphics update', self) 
    59902 File
    59903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59904 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59905 trigger.activate(data) 
    59906 File
    59907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59908 packages/chimerax/core/triggerset.py", line 190, in activate 
    59909 ret = handler.invoke(data, self._remove_bad_handlers) 
    59910 File
    59911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59912 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59913 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59914 File
    59915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59916 packages/chimerax/core/session.py", line 943, in <lambda> 
    59917 logger.report_exception(preface=preface)) 
    59918 File
    59919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59920 packages/chimerax/core/logger.py", line 421, in report_exception 
    59921 elif probably_chimera1_session(exc_info): 
    59922 File
    59923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59924 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59925 etype, evalue, etraceback = exc_info 
    59926 TypeError: cannot unpack non-iterable NoneType object 
    59927  
    59928 TypeError: cannot unpack non-iterable NoneType object 
    59929  
    59930 File
    59931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59932 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59933 etype, evalue, etraceback = exc_info 
    59934  
    59935 See log for complete Python traceback. 
    59936  
    59937 Traceback (most recent call last): 
    59938 File
    59939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59940 packages/chimerax/core/triggerset.py", line 130, in invoke 
    59941 return self._func(self._name, data) 
    59942 File
    59943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59944 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    59945 if v.display: 
    59946 File
    59947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59948 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    59949 return self._any_displayed_positions and len(self._positions) > 0 
    59950 TypeError: object of type 'NoneType' has no len() 
    59951  
    59952 During handling of the above exception, another exception occurred: 
    59953  
    59954 Traceback (most recent call last): 
    59955 File
    59956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59957 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    59958 if not self.draw_new_frame(): 
    59959 File
    59960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59961 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    59962 changed = view.check_for_drawing_change() 
    59963 File
    59964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59965 packages/chimerax/core/graphics/view.py", line 252, in
    59966 check_for_drawing_change 
    59967 trig.activate_trigger('graphics update', self) 
    59968 File
    59969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59970 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    59971 trigger.activate(data) 
    59972 File
    59973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59974 packages/chimerax/core/triggerset.py", line 190, in activate 
    59975 ret = handler.invoke(data, self._remove_bad_handlers) 
    59976 File
    59977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59978 packages/chimerax/core/triggerset.py", line 132, in invoke 
    59979 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    59980 File
    59981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59982 packages/chimerax/core/session.py", line 943, in <lambda> 
    59983 logger.report_exception(preface=preface)) 
    59984 File
    59985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59986 packages/chimerax/core/logger.py", line 421, in report_exception 
    59987 elif probably_chimera1_session(exc_info): 
    59988 File
    59989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59990 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59991 etype, evalue, etraceback = exc_info 
    59992 TypeError: cannot unpack non-iterable NoneType object 
    59993  
    59994 TypeError: cannot unpack non-iterable NoneType object 
    59995  
    59996 File
    59997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    59998 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    59999 etype, evalue, etraceback = exc_info 
    60000  
    60001 See log for complete Python traceback. 
    60002  
    60003 Traceback (most recent call last): 
    60004 File
    60005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60006 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60007 return self._func(self._name, data) 
    60008 File
    60009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60010 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60011 if v.display: 
    60012 File
    60013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60014 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60015 return self._any_displayed_positions and len(self._positions) > 0 
    60016 TypeError: object of type 'NoneType' has no len() 
    60017  
    60018 During handling of the above exception, another exception occurred: 
    60019  
    60020 Traceback (most recent call last): 
    60021 File
    60022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60023 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60024 if not self.draw_new_frame(): 
    60025 File
    60026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60027 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60028 changed = view.check_for_drawing_change() 
    60029 File
    60030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60031 packages/chimerax/core/graphics/view.py", line 252, in
    60032 check_for_drawing_change 
    60033 trig.activate_trigger('graphics update', self) 
    60034 File
    60035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60036 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60037 trigger.activate(data) 
    60038 File
    60039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60040 packages/chimerax/core/triggerset.py", line 190, in activate 
    60041 ret = handler.invoke(data, self._remove_bad_handlers) 
    60042 File
    60043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60044 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60045 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60046 File
    60047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60048 packages/chimerax/core/session.py", line 943, in <lambda> 
    60049 logger.report_exception(preface=preface)) 
    60050 File
    60051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60052 packages/chimerax/core/logger.py", line 421, in report_exception 
    60053 elif probably_chimera1_session(exc_info): 
    60054 File
    60055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60056 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60057 etype, evalue, etraceback = exc_info 
    60058 TypeError: cannot unpack non-iterable NoneType object 
    60059  
    60060 TypeError: cannot unpack non-iterable NoneType object 
    60061  
    60062 File
    60063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60064 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60065 etype, evalue, etraceback = exc_info 
    60066  
    60067 See log for complete Python traceback. 
    60068  
    60069 Traceback (most recent call last): 
    60070 File
    60071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60072 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60073 return self._func(self._name, data) 
    60074 File
    60075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60076 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60077 if v.display: 
    60078 File
    60079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60080 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60081 return self._any_displayed_positions and len(self._positions) > 0 
    60082 TypeError: object of type 'NoneType' has no len() 
    60083  
    60084 During handling of the above exception, another exception occurred: 
    60085  
    60086 Traceback (most recent call last): 
    60087 File
    60088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60089 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60090 if not self.draw_new_frame(): 
    60091 File
    60092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60093 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60094 changed = view.check_for_drawing_change() 
    60095 File
    60096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60097 packages/chimerax/core/graphics/view.py", line 252, in
    60098 check_for_drawing_change 
    60099 trig.activate_trigger('graphics update', self) 
    60100 File
    60101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60102 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60103 trigger.activate(data) 
    60104 File
    60105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60106 packages/chimerax/core/triggerset.py", line 190, in activate 
    60107 ret = handler.invoke(data, self._remove_bad_handlers) 
    60108 File
    60109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60110 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60111 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60112 File
    60113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60114 packages/chimerax/core/session.py", line 943, in <lambda> 
    60115 logger.report_exception(preface=preface)) 
    60116 File
    60117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60118 packages/chimerax/core/logger.py", line 421, in report_exception 
    60119 elif probably_chimera1_session(exc_info): 
    60120 File
    60121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60122 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60123 etype, evalue, etraceback = exc_info 
    60124 TypeError: cannot unpack non-iterable NoneType object 
    60125  
    60126 TypeError: cannot unpack non-iterable NoneType object 
    60127  
    60128 File
    60129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60130 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60131 etype, evalue, etraceback = exc_info 
    60132  
    60133 See log for complete Python traceback. 
    60134  
    60135 Traceback (most recent call last): 
    60136 File
    60137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60138 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60139 return self._func(self._name, data) 
    60140 File
    60141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60142 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60143 if v.display: 
    60144 File
    60145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60146 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60147 return self._any_displayed_positions and len(self._positions) > 0 
    60148 TypeError: object of type 'NoneType' has no len() 
    60149  
    60150 During handling of the above exception, another exception occurred: 
    60151  
    60152 Traceback (most recent call last): 
    60153 File
    60154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60155 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60156 if not self.draw_new_frame(): 
    60157 File
    60158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60159 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60160 changed = view.check_for_drawing_change() 
    60161 File
    60162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60163 packages/chimerax/core/graphics/view.py", line 252, in
    60164 check_for_drawing_change 
    60165 trig.activate_trigger('graphics update', self) 
    60166 File
    60167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60168 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60169 trigger.activate(data) 
    60170 File
    60171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60172 packages/chimerax/core/triggerset.py", line 190, in activate 
    60173 ret = handler.invoke(data, self._remove_bad_handlers) 
    60174 File
    60175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60176 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60177 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60178 File
    60179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60180 packages/chimerax/core/session.py", line 943, in <lambda> 
    60181 logger.report_exception(preface=preface)) 
    60182 File
    60183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60184 packages/chimerax/core/logger.py", line 421, in report_exception 
    60185 elif probably_chimera1_session(exc_info): 
    60186 File
    60187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60188 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60189 etype, evalue, etraceback = exc_info 
    60190 TypeError: cannot unpack non-iterable NoneType object 
    60191  
    60192 TypeError: cannot unpack non-iterable NoneType object 
    60193  
    60194 File
    60195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60196 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60197 etype, evalue, etraceback = exc_info 
    60198  
    60199 See log for complete Python traceback. 
    60200  
    60201 Traceback (most recent call last): 
    60202 File
    60203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60204 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60205 return self._func(self._name, data) 
    60206 File
    60207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60208 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60209 if v.display: 
    60210 File
    60211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60212 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60213 return self._any_displayed_positions and len(self._positions) > 0 
    60214 TypeError: object of type 'NoneType' has no len() 
    60215  
    60216 During handling of the above exception, another exception occurred: 
    60217  
    60218 Traceback (most recent call last): 
    60219 File
    60220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60221 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60222 if not self.draw_new_frame(): 
    60223 File
    60224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60225 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60226 changed = view.check_for_drawing_change() 
    60227 File
    60228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60229 packages/chimerax/core/graphics/view.py", line 252, in
    60230 check_for_drawing_change 
    60231 trig.activate_trigger('graphics update', self) 
    60232 File
    60233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60234 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60235 trigger.activate(data) 
    60236 File
    60237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60238 packages/chimerax/core/triggerset.py", line 190, in activate 
    60239 ret = handler.invoke(data, self._remove_bad_handlers) 
    60240 File
    60241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60242 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60243 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60244 File
    60245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60246 packages/chimerax/core/session.py", line 943, in <lambda> 
    60247 logger.report_exception(preface=preface)) 
    60248 File
    60249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60250 packages/chimerax/core/logger.py", line 421, in report_exception 
    60251 elif probably_chimera1_session(exc_info): 
    60252 File
    60253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60254 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60255 etype, evalue, etraceback = exc_info 
    60256 TypeError: cannot unpack non-iterable NoneType object 
    60257  
    60258 TypeError: cannot unpack non-iterable NoneType object 
    60259  
    60260 File
    60261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60262 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60263 etype, evalue, etraceback = exc_info 
    60264  
    60265 See log for complete Python traceback. 
    60266  
    60267 Traceback (most recent call last): 
    60268 File
    60269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60270 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60271 return self._func(self._name, data) 
    60272 File
    60273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60274 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60275 if v.display: 
    60276 File
    60277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60278 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60279 return self._any_displayed_positions and len(self._positions) > 0 
    60280 TypeError: object of type 'NoneType' has no len() 
    60281  
    60282 During handling of the above exception, another exception occurred: 
    60283  
    60284 Traceback (most recent call last): 
    60285 File
    60286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60287 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60288 if not self.draw_new_frame(): 
    60289 File
    60290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60291 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60292 changed = view.check_for_drawing_change() 
    60293 File
    60294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60295 packages/chimerax/core/graphics/view.py", line 252, in
    60296 check_for_drawing_change 
    60297 trig.activate_trigger('graphics update', self) 
    60298 File
    60299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60300 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60301 trigger.activate(data) 
    60302 File
    60303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60304 packages/chimerax/core/triggerset.py", line 190, in activate 
    60305 ret = handler.invoke(data, self._remove_bad_handlers) 
    60306 File
    60307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60308 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60309 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60310 File
    60311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60312 packages/chimerax/core/session.py", line 943, in <lambda> 
    60313 logger.report_exception(preface=preface)) 
    60314 File
    60315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60316 packages/chimerax/core/logger.py", line 421, in report_exception 
    60317 elif probably_chimera1_session(exc_info): 
    60318 File
    60319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60320 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60321 etype, evalue, etraceback = exc_info 
    60322 TypeError: cannot unpack non-iterable NoneType object 
    60323  
    60324 TypeError: cannot unpack non-iterable NoneType object 
    60325  
    60326 File
    60327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60328 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60329 etype, evalue, etraceback = exc_info 
    60330  
    60331 See log for complete Python traceback. 
    60332  
    60333 Traceback (most recent call last): 
    60334 File
    60335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60336 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60337 return self._func(self._name, data) 
    60338 File
    60339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60340 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60341 if v.display: 
    60342 File
    60343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60344 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60345 return self._any_displayed_positions and len(self._positions) > 0 
    60346 TypeError: object of type 'NoneType' has no len() 
    60347  
    60348 During handling of the above exception, another exception occurred: 
    60349  
    60350 Traceback (most recent call last): 
    60351 File
    60352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60353 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60354 if not self.draw_new_frame(): 
    60355 File
    60356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60357 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60358 changed = view.check_for_drawing_change() 
    60359 File
    60360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60361 packages/chimerax/core/graphics/view.py", line 252, in
    60362 check_for_drawing_change 
    60363 trig.activate_trigger('graphics update', self) 
    60364 File
    60365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60366 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60367 trigger.activate(data) 
    60368 File
    60369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60370 packages/chimerax/core/triggerset.py", line 190, in activate 
    60371 ret = handler.invoke(data, self._remove_bad_handlers) 
    60372 File
    60373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60374 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60375 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60376 File
    60377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60378 packages/chimerax/core/session.py", line 943, in <lambda> 
    60379 logger.report_exception(preface=preface)) 
    60380 File
    60381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60382 packages/chimerax/core/logger.py", line 421, in report_exception 
    60383 elif probably_chimera1_session(exc_info): 
    60384 File
    60385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60386 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60387 etype, evalue, etraceback = exc_info 
    60388 TypeError: cannot unpack non-iterable NoneType object 
    60389  
    60390 TypeError: cannot unpack non-iterable NoneType object 
    60391  
    60392 File
    60393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60394 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60395 etype, evalue, etraceback = exc_info 
    60396  
    60397 See log for complete Python traceback. 
    60398  
    60399 Traceback (most recent call last): 
    60400 File
    60401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60402 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60403 return self._func(self._name, data) 
    60404 File
    60405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60406 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60407 if v.display: 
    60408 File
    60409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60410 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60411 return self._any_displayed_positions and len(self._positions) > 0 
    60412 TypeError: object of type 'NoneType' has no len() 
    60413  
    60414 During handling of the above exception, another exception occurred: 
    60415  
    60416 Traceback (most recent call last): 
    60417 File
    60418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60419 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60420 if not self.draw_new_frame(): 
    60421 File
    60422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60423 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60424 changed = view.check_for_drawing_change() 
    60425 File
    60426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60427 packages/chimerax/core/graphics/view.py", line 252, in
    60428 check_for_drawing_change 
    60429 trig.activate_trigger('graphics update', self) 
    60430 File
    60431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60432 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60433 trigger.activate(data) 
    60434 File
    60435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60436 packages/chimerax/core/triggerset.py", line 190, in activate 
    60437 ret = handler.invoke(data, self._remove_bad_handlers) 
    60438 File
    60439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60440 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60441 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60442 File
    60443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60444 packages/chimerax/core/session.py", line 943, in <lambda> 
    60445 logger.report_exception(preface=preface)) 
    60446 File
    60447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60448 packages/chimerax/core/logger.py", line 421, in report_exception 
    60449 elif probably_chimera1_session(exc_info): 
    60450 File
    60451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60452 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60453 etype, evalue, etraceback = exc_info 
    60454 TypeError: cannot unpack non-iterable NoneType object 
    60455  
    60456 TypeError: cannot unpack non-iterable NoneType object 
    60457  
    60458 File
    60459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60460 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60461 etype, evalue, etraceback = exc_info 
    60462  
    60463 See log for complete Python traceback. 
    60464  
    60465 Traceback (most recent call last): 
    60466 File
    60467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60469 return self._func(self._name, data) 
    60470 File
    60471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60472 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60473 if v.display: 
    60474 File
    60475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60476 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60477 return self._any_displayed_positions and len(self._positions) > 0 
    60478 TypeError: object of type 'NoneType' has no len() 
    60479  
    60480 During handling of the above exception, another exception occurred: 
    60481  
    60482 Traceback (most recent call last): 
    60483 File
    60484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60485 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60486 if not self.draw_new_frame(): 
    60487 File
    60488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60489 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60490 changed = view.check_for_drawing_change() 
    60491 File
    60492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60493 packages/chimerax/core/graphics/view.py", line 252, in
    60494 check_for_drawing_change 
    60495 trig.activate_trigger('graphics update', self) 
    60496 File
    60497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60498 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60499 trigger.activate(data) 
    60500 File
    60501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60502 packages/chimerax/core/triggerset.py", line 190, in activate 
    60503 ret = handler.invoke(data, self._remove_bad_handlers) 
    60504 File
    60505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60506 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60507 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60508 File
    60509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60510 packages/chimerax/core/session.py", line 943, in <lambda> 
    60511 logger.report_exception(preface=preface)) 
    60512 File
    60513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60514 packages/chimerax/core/logger.py", line 421, in report_exception 
    60515 elif probably_chimera1_session(exc_info): 
    60516 File
    60517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60518 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60519 etype, evalue, etraceback = exc_info 
    60520 TypeError: cannot unpack non-iterable NoneType object 
    60521  
    60522 TypeError: cannot unpack non-iterable NoneType object 
    60523  
    60524 File
    60525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60526 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60527 etype, evalue, etraceback = exc_info 
    60528  
    60529 See log for complete Python traceback. 
    60530  
    60531 Traceback (most recent call last): 
    60532 File
    60533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60534 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60535 return self._func(self._name, data) 
    60536 File
    60537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60538 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60539 if v.display: 
    60540 File
    60541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60542 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60543 return self._any_displayed_positions and len(self._positions) > 0 
    60544 TypeError: object of type 'NoneType' has no len() 
    60545  
    60546 During handling of the above exception, another exception occurred: 
    60547  
    60548 Traceback (most recent call last): 
    60549 File
    60550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60551 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60552 if not self.draw_new_frame(): 
    60553 File
    60554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60555 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60556 changed = view.check_for_drawing_change() 
    60557 File
    60558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60559 packages/chimerax/core/graphics/view.py", line 252, in
    60560 check_for_drawing_change 
    60561 trig.activate_trigger('graphics update', self) 
    60562 File
    60563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60564 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60565 trigger.activate(data) 
    60566 File
    60567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60568 packages/chimerax/core/triggerset.py", line 190, in activate 
    60569 ret = handler.invoke(data, self._remove_bad_handlers) 
    60570 File
    60571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60572 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60573 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60574 File
    60575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60576 packages/chimerax/core/session.py", line 943, in <lambda> 
    60577 logger.report_exception(preface=preface)) 
    60578 File
    60579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60580 packages/chimerax/core/logger.py", line 421, in report_exception 
    60581 elif probably_chimera1_session(exc_info): 
    60582 File
    60583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60584 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60585 etype, evalue, etraceback = exc_info 
    60586 TypeError: cannot unpack non-iterable NoneType object 
    60587  
    60588 TypeError: cannot unpack non-iterable NoneType object 
    60589  
    60590 File
    60591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60592 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60593 etype, evalue, etraceback = exc_info 
    60594  
    60595 See log for complete Python traceback. 
    60596  
    60597 Traceback (most recent call last): 
    60598 File
    60599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60600 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60601 return self._func(self._name, data) 
    60602 File
    60603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60604 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60605 if v.display: 
    60606 File
    60607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60608 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60609 return self._any_displayed_positions and len(self._positions) > 0 
    60610 TypeError: object of type 'NoneType' has no len() 
    60611  
    60612 During handling of the above exception, another exception occurred: 
    60613  
    60614 Traceback (most recent call last): 
    60615 File
    60616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60617 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60618 if not self.draw_new_frame(): 
    60619 File
    60620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60621 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60622 changed = view.check_for_drawing_change() 
    60623 File
    60624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60625 packages/chimerax/core/graphics/view.py", line 252, in
    60626 check_for_drawing_change 
    60627 trig.activate_trigger('graphics update', self) 
    60628 File
    60629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60630 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60631 trigger.activate(data) 
    60632 File
    60633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60634 packages/chimerax/core/triggerset.py", line 190, in activate 
    60635 ret = handler.invoke(data, self._remove_bad_handlers) 
    60636 File
    60637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60638 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60639 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60640 File
    60641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60642 packages/chimerax/core/session.py", line 943, in <lambda> 
    60643 logger.report_exception(preface=preface)) 
    60644 File
    60645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60646 packages/chimerax/core/logger.py", line 421, in report_exception 
    60647 elif probably_chimera1_session(exc_info): 
    60648 File
    60649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60650 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60651 etype, evalue, etraceback = exc_info 
    60652 TypeError: cannot unpack non-iterable NoneType object 
    60653  
    60654 TypeError: cannot unpack non-iterable NoneType object 
    60655  
    60656 File
    60657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60658 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60659 etype, evalue, etraceback = exc_info 
    60660  
    60661 See log for complete Python traceback. 
    60662  
    60663 Traceback (most recent call last): 
    60664 File
    60665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60666 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60667 return self._func(self._name, data) 
    60668 File
    60669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60670 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60671 if v.display: 
    60672 File
    60673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60674 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60675 return self._any_displayed_positions and len(self._positions) > 0 
    60676 TypeError: object of type 'NoneType' has no len() 
    60677  
    60678 During handling of the above exception, another exception occurred: 
    60679  
    60680 Traceback (most recent call last): 
    60681 File
    60682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60683 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60684 if not self.draw_new_frame(): 
    60685 File
    60686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60687 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60688 changed = view.check_for_drawing_change() 
    60689 File
    60690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60691 packages/chimerax/core/graphics/view.py", line 252, in
    60692 check_for_drawing_change 
    60693 trig.activate_trigger('graphics update', self) 
    60694 File
    60695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60696 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60697 trigger.activate(data) 
    60698 File
    60699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60700 packages/chimerax/core/triggerset.py", line 190, in activate 
    60701 ret = handler.invoke(data, self._remove_bad_handlers) 
    60702 File
    60703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60704 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60705 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60706 File
    60707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60708 packages/chimerax/core/session.py", line 943, in <lambda> 
    60709 logger.report_exception(preface=preface)) 
    60710 File
    60711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60712 packages/chimerax/core/logger.py", line 421, in report_exception 
    60713 elif probably_chimera1_session(exc_info): 
    60714 File
    60715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60716 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60717 etype, evalue, etraceback = exc_info 
    60718 TypeError: cannot unpack non-iterable NoneType object 
    60719  
    60720 TypeError: cannot unpack non-iterable NoneType object 
    60721  
    60722 File
    60723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60724 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60725 etype, evalue, etraceback = exc_info 
    60726  
    60727 See log for complete Python traceback. 
    60728  
    60729 Traceback (most recent call last): 
    60730 File
    60731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60732 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60733 return self._func(self._name, data) 
    60734 File
    60735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60736 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60737 if v.display: 
    60738 File
    60739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60740 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60741 return self._any_displayed_positions and len(self._positions) > 0 
    60742 TypeError: object of type 'NoneType' has no len() 
    60743  
    60744 During handling of the above exception, another exception occurred: 
    60745  
    60746 Traceback (most recent call last): 
    60747 File
    60748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60749 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60750 if not self.draw_new_frame(): 
    60751 File
    60752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60753 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60754 changed = view.check_for_drawing_change() 
    60755 File
    60756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60757 packages/chimerax/core/graphics/view.py", line 252, in
    60758 check_for_drawing_change 
    60759 trig.activate_trigger('graphics update', self) 
    60760 File
    60761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60762 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60763 trigger.activate(data) 
    60764 File
    60765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60766 packages/chimerax/core/triggerset.py", line 190, in activate 
    60767 ret = handler.invoke(data, self._remove_bad_handlers) 
    60768 File
    60769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60770 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60771 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60772 File
    60773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60774 packages/chimerax/core/session.py", line 943, in <lambda> 
    60775 logger.report_exception(preface=preface)) 
    60776 File
    60777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60778 packages/chimerax/core/logger.py", line 421, in report_exception 
    60779 elif probably_chimera1_session(exc_info): 
    60780 File
    60781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60782 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60783 etype, evalue, etraceback = exc_info 
    60784 TypeError: cannot unpack non-iterable NoneType object 
    60785  
    60786 TypeError: cannot unpack non-iterable NoneType object 
    60787  
    60788 File
    60789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60790 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60791 etype, evalue, etraceback = exc_info 
    60792  
    60793 See log for complete Python traceback. 
    60794  
    60795 Traceback (most recent call last): 
    60796 File
    60797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60798 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60799 return self._func(self._name, data) 
    60800 File
    60801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60802 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60803 if v.display: 
    60804 File
    60805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60806 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60807 return self._any_displayed_positions and len(self._positions) > 0 
    60808 TypeError: object of type 'NoneType' has no len() 
    60809  
    60810 During handling of the above exception, another exception occurred: 
    60811  
    60812 Traceback (most recent call last): 
    60813 File
    60814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60815 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60816 if not self.draw_new_frame(): 
    60817 File
    60818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60819 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60820 changed = view.check_for_drawing_change() 
    60821 File
    60822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60823 packages/chimerax/core/graphics/view.py", line 252, in
    60824 check_for_drawing_change 
    60825 trig.activate_trigger('graphics update', self) 
    60826 File
    60827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60828 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60829 trigger.activate(data) 
    60830 File
    60831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60832 packages/chimerax/core/triggerset.py", line 190, in activate 
    60833 ret = handler.invoke(data, self._remove_bad_handlers) 
    60834 File
    60835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60836 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60837 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60838 File
    60839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60840 packages/chimerax/core/session.py", line 943, in <lambda> 
    60841 logger.report_exception(preface=preface)) 
    60842 File
    60843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60844 packages/chimerax/core/logger.py", line 421, in report_exception 
    60845 elif probably_chimera1_session(exc_info): 
    60846 File
    60847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60848 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60849 etype, evalue, etraceback = exc_info 
    60850 TypeError: cannot unpack non-iterable NoneType object 
    60851  
    60852 TypeError: cannot unpack non-iterable NoneType object 
    60853  
    60854 File
    60855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60856 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60857 etype, evalue, etraceback = exc_info 
    60858  
    60859 See log for complete Python traceback. 
    60860  
    60861 Traceback (most recent call last): 
    60862 File
    60863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60864 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60865 return self._func(self._name, data) 
    60866 File
    60867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60868 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60869 if v.display: 
    60870 File
    60871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60872 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60873 return self._any_displayed_positions and len(self._positions) > 0 
    60874 TypeError: object of type 'NoneType' has no len() 
    60875  
    60876 During handling of the above exception, another exception occurred: 
    60877  
    60878 Traceback (most recent call last): 
    60879 File
    60880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60881 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60882 if not self.draw_new_frame(): 
    60883 File
    60884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60885 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60886 changed = view.check_for_drawing_change() 
    60887 File
    60888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60889 packages/chimerax/core/graphics/view.py", line 252, in
    60890 check_for_drawing_change 
    60891 trig.activate_trigger('graphics update', self) 
    60892 File
    60893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60894 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60895 trigger.activate(data) 
    60896 File
    60897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60898 packages/chimerax/core/triggerset.py", line 190, in activate 
    60899 ret = handler.invoke(data, self._remove_bad_handlers) 
    60900 File
    60901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60902 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60903 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60904 File
    60905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60906 packages/chimerax/core/session.py", line 943, in <lambda> 
    60907 logger.report_exception(preface=preface)) 
    60908 File
    60909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60910 packages/chimerax/core/logger.py", line 421, in report_exception 
    60911 elif probably_chimera1_session(exc_info): 
    60912 File
    60913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60914 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60915 etype, evalue, etraceback = exc_info 
    60916 TypeError: cannot unpack non-iterable NoneType object 
    60917  
    60918 TypeError: cannot unpack non-iterable NoneType object 
    60919  
    60920 File
    60921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60922 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60923 etype, evalue, etraceback = exc_info 
    60924  
    60925 See log for complete Python traceback. 
    60926  
    60927 Traceback (most recent call last): 
    60928 File
    60929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60930 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60931 return self._func(self._name, data) 
    60932 File
    60933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60934 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    60935 if v.display: 
    60936 File
    60937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60938 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    60939 return self._any_displayed_positions and len(self._positions) > 0 
    60940 TypeError: object of type 'NoneType' has no len() 
    60941  
    60942 During handling of the above exception, another exception occurred: 
    60943  
    60944 Traceback (most recent call last): 
    60945 File
    60946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60947 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    60948 if not self.draw_new_frame(): 
    60949 File
    60950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60951 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    60952 changed = view.check_for_drawing_change() 
    60953 File
    60954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60955 packages/chimerax/core/graphics/view.py", line 252, in
    60956 check_for_drawing_change 
    60957 trig.activate_trigger('graphics update', self) 
    60958 File
    60959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60960 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    60961 trigger.activate(data) 
    60962 File
    60963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60964 packages/chimerax/core/triggerset.py", line 190, in activate 
    60965 ret = handler.invoke(data, self._remove_bad_handlers) 
    60966 File
    60967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60968 packages/chimerax/core/triggerset.py", line 132, in invoke 
    60969 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    60970 File
    60971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60972 packages/chimerax/core/session.py", line 943, in <lambda> 
    60973 logger.report_exception(preface=preface)) 
    60974 File
    60975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60976 packages/chimerax/core/logger.py", line 421, in report_exception 
    60977 elif probably_chimera1_session(exc_info): 
    60978 File
    60979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60980 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60981 etype, evalue, etraceback = exc_info 
    60982 TypeError: cannot unpack non-iterable NoneType object 
    60983  
    60984 TypeError: cannot unpack non-iterable NoneType object 
    60985  
    60986 File
    60987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60988 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    60989 etype, evalue, etraceback = exc_info 
    60990  
    60991 See log for complete Python traceback. 
    60992  
    60993 Traceback (most recent call last): 
    60994 File
    60995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    60996 packages/chimerax/core/triggerset.py", line 130, in invoke 
    60997 return self._func(self._name, data) 
    60998 File
    60999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61000 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61001 if v.display: 
    61002 File
    61003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61004 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61005 return self._any_displayed_positions and len(self._positions) > 0 
    61006 TypeError: object of type 'NoneType' has no len() 
    61007  
    61008 During handling of the above exception, another exception occurred: 
    61009  
    61010 Traceback (most recent call last): 
    61011 File
    61012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61013 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61014 if not self.draw_new_frame(): 
    61015 File
    61016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61017 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61018 changed = view.check_for_drawing_change() 
    61019 File
    61020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61021 packages/chimerax/core/graphics/view.py", line 252, in
    61022 check_for_drawing_change 
    61023 trig.activate_trigger('graphics update', self) 
    61024 File
    61025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61026 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61027 trigger.activate(data) 
    61028 File
    61029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61030 packages/chimerax/core/triggerset.py", line 190, in activate 
    61031 ret = handler.invoke(data, self._remove_bad_handlers) 
    61032 File
    61033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61034 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61035 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61036 File
    61037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61038 packages/chimerax/core/session.py", line 943, in <lambda> 
    61039 logger.report_exception(preface=preface)) 
    61040 File
    61041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61042 packages/chimerax/core/logger.py", line 421, in report_exception 
    61043 elif probably_chimera1_session(exc_info): 
    61044 File
    61045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61046 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61047 etype, evalue, etraceback = exc_info 
    61048 TypeError: cannot unpack non-iterable NoneType object 
    61049  
    61050 TypeError: cannot unpack non-iterable NoneType object 
    61051  
    61052 File
    61053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61054 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61055 etype, evalue, etraceback = exc_info 
    61056  
    61057 See log for complete Python traceback. 
    61058  
    61059 Traceback (most recent call last): 
    61060 File
    61061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61062 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61063 return self._func(self._name, data) 
    61064 File
    61065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61066 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61067 if v.display: 
    61068 File
    61069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61070 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61071 return self._any_displayed_positions and len(self._positions) > 0 
    61072 TypeError: object of type 'NoneType' has no len() 
    61073  
    61074 During handling of the above exception, another exception occurred: 
    61075  
    61076 Traceback (most recent call last): 
    61077 File
    61078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61079 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61080 if not self.draw_new_frame(): 
    61081 File
    61082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61083 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61084 changed = view.check_for_drawing_change() 
    61085 File
    61086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61087 packages/chimerax/core/graphics/view.py", line 252, in
    61088 check_for_drawing_change 
    61089 trig.activate_trigger('graphics update', self) 
    61090 File
    61091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61092 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61093 trigger.activate(data) 
    61094 File
    61095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61096 packages/chimerax/core/triggerset.py", line 190, in activate 
    61097 ret = handler.invoke(data, self._remove_bad_handlers) 
    61098 File
    61099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61100 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61101 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61102 File
    61103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61104 packages/chimerax/core/session.py", line 943, in <lambda> 
    61105 logger.report_exception(preface=preface)) 
    61106 File
    61107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61108 packages/chimerax/core/logger.py", line 421, in report_exception 
    61109 elif probably_chimera1_session(exc_info): 
    61110 File
    61111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61112 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61113 etype, evalue, etraceback = exc_info 
    61114 TypeError: cannot unpack non-iterable NoneType object 
    61115  
    61116 TypeError: cannot unpack non-iterable NoneType object 
    61117  
    61118 File
    61119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61120 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61121 etype, evalue, etraceback = exc_info 
    61122  
    61123 See log for complete Python traceback. 
    61124  
    61125 Traceback (most recent call last): 
    61126 File
    61127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61128 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61129 return self._func(self._name, data) 
    61130 File
    61131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61132 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61133 if v.display: 
    61134 File
    61135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61136 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61137 return self._any_displayed_positions and len(self._positions) > 0 
    61138 TypeError: object of type 'NoneType' has no len() 
    61139  
    61140 During handling of the above exception, another exception occurred: 
    61141  
    61142 Traceback (most recent call last): 
    61143 File
    61144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61145 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61146 if not self.draw_new_frame(): 
    61147 File
    61148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61149 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61150 changed = view.check_for_drawing_change() 
    61151 File
    61152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61153 packages/chimerax/core/graphics/view.py", line 252, in
    61154 check_for_drawing_change 
    61155 trig.activate_trigger('graphics update', self) 
    61156 File
    61157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61158 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61159 trigger.activate(data) 
    61160 File
    61161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61162 packages/chimerax/core/triggerset.py", line 190, in activate 
    61163 ret = handler.invoke(data, self._remove_bad_handlers) 
    61164 File
    61165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61166 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61167 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61168 File
    61169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61170 packages/chimerax/core/session.py", line 943, in <lambda> 
    61171 logger.report_exception(preface=preface)) 
    61172 File
    61173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61174 packages/chimerax/core/logger.py", line 421, in report_exception 
    61175 elif probably_chimera1_session(exc_info): 
    61176 File
    61177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61178 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61179 etype, evalue, etraceback = exc_info 
    61180 TypeError: cannot unpack non-iterable NoneType object 
    61181  
    61182 TypeError: cannot unpack non-iterable NoneType object 
    61183  
    61184 File
    61185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61186 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61187 etype, evalue, etraceback = exc_info 
    61188  
    61189 See log for complete Python traceback. 
    61190  
    61191 Traceback (most recent call last): 
    61192 File
    61193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61194 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61195 return self._func(self._name, data) 
    61196 File
    61197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61198 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61199 if v.display: 
    61200 File
    61201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61202 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61203 return self._any_displayed_positions and len(self._positions) > 0 
    61204 TypeError: object of type 'NoneType' has no len() 
    61205  
    61206 During handling of the above exception, another exception occurred: 
    61207  
    61208 Traceback (most recent call last): 
    61209 File
    61210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61211 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61212 if not self.draw_new_frame(): 
    61213 File
    61214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61215 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61216 changed = view.check_for_drawing_change() 
    61217 File
    61218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61219 packages/chimerax/core/graphics/view.py", line 252, in
    61220 check_for_drawing_change 
    61221 trig.activate_trigger('graphics update', self) 
    61222 File
    61223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61224 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61225 trigger.activate(data) 
    61226 File
    61227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61228 packages/chimerax/core/triggerset.py", line 190, in activate 
    61229 ret = handler.invoke(data, self._remove_bad_handlers) 
    61230 File
    61231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61232 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61233 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61234 File
    61235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61236 packages/chimerax/core/session.py", line 943, in <lambda> 
    61237 logger.report_exception(preface=preface)) 
    61238 File
    61239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61240 packages/chimerax/core/logger.py", line 421, in report_exception 
    61241 elif probably_chimera1_session(exc_info): 
    61242 File
    61243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61244 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61245 etype, evalue, etraceback = exc_info 
    61246 TypeError: cannot unpack non-iterable NoneType object 
    61247  
    61248 TypeError: cannot unpack non-iterable NoneType object 
    61249  
    61250 File
    61251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61252 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61253 etype, evalue, etraceback = exc_info 
    61254  
    61255 See log for complete Python traceback. 
    61256  
    61257 Traceback (most recent call last): 
    61258 File
    61259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61260 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61261 return self._func(self._name, data) 
    61262 File
    61263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61264 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61265 if v.display: 
    61266 File
    61267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61268 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61269 return self._any_displayed_positions and len(self._positions) > 0 
    61270 TypeError: object of type 'NoneType' has no len() 
    61271  
    61272 During handling of the above exception, another exception occurred: 
    61273  
    61274 Traceback (most recent call last): 
    61275 File
    61276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61277 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61278 if not self.draw_new_frame(): 
    61279 File
    61280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61281 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61282 changed = view.check_for_drawing_change() 
    61283 File
    61284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61285 packages/chimerax/core/graphics/view.py", line 252, in
    61286 check_for_drawing_change 
    61287 trig.activate_trigger('graphics update', self) 
    61288 File
    61289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61290 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61291 trigger.activate(data) 
    61292 File
    61293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61294 packages/chimerax/core/triggerset.py", line 190, in activate 
    61295 ret = handler.invoke(data, self._remove_bad_handlers) 
    61296 File
    61297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61298 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61299 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61300 File
    61301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61302 packages/chimerax/core/session.py", line 943, in <lambda> 
    61303 logger.report_exception(preface=preface)) 
    61304 File
    61305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61306 packages/chimerax/core/logger.py", line 421, in report_exception 
    61307 elif probably_chimera1_session(exc_info): 
    61308 File
    61309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61310 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61311 etype, evalue, etraceback = exc_info 
    61312 TypeError: cannot unpack non-iterable NoneType object 
    61313  
    61314 TypeError: cannot unpack non-iterable NoneType object 
    61315  
    61316 File
    61317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61318 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61319 etype, evalue, etraceback = exc_info 
    61320  
    61321 See log for complete Python traceback. 
    61322  
    61323 Traceback (most recent call last): 
    61324 File
    61325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61326 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61327 return self._func(self._name, data) 
    61328 File
    61329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61330 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61331 if v.display: 
    61332 File
    61333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61334 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61335 return self._any_displayed_positions and len(self._positions) > 0 
    61336 TypeError: object of type 'NoneType' has no len() 
    61337  
    61338 During handling of the above exception, another exception occurred: 
    61339  
    61340 Traceback (most recent call last): 
    61341 File
    61342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61343 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61344 if not self.draw_new_frame(): 
    61345 File
    61346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61347 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61348 changed = view.check_for_drawing_change() 
    61349 File
    61350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61351 packages/chimerax/core/graphics/view.py", line 252, in
    61352 check_for_drawing_change 
    61353 trig.activate_trigger('graphics update', self) 
    61354 File
    61355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61356 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61357 trigger.activate(data) 
    61358 File
    61359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61360 packages/chimerax/core/triggerset.py", line 190, in activate 
    61361 ret = handler.invoke(data, self._remove_bad_handlers) 
    61362 File
    61363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61364 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61365 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61366 File
    61367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61368 packages/chimerax/core/session.py", line 943, in <lambda> 
    61369 logger.report_exception(preface=preface)) 
    61370 File
    61371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61372 packages/chimerax/core/logger.py", line 421, in report_exception 
    61373 elif probably_chimera1_session(exc_info): 
    61374 File
    61375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61376 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61377 etype, evalue, etraceback = exc_info 
    61378 TypeError: cannot unpack non-iterable NoneType object 
    61379  
    61380 TypeError: cannot unpack non-iterable NoneType object 
    61381  
    61382 File
    61383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61384 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61385 etype, evalue, etraceback = exc_info 
    61386  
    61387 See log for complete Python traceback. 
    61388  
    61389 Traceback (most recent call last): 
    61390 File
    61391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61392 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61393 return self._func(self._name, data) 
    61394 File
    61395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61396 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61397 if v.display: 
    61398 File
    61399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61400 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61401 return self._any_displayed_positions and len(self._positions) > 0 
    61402 TypeError: object of type 'NoneType' has no len() 
    61403  
    61404 During handling of the above exception, another exception occurred: 
    61405  
    61406 Traceback (most recent call last): 
    61407 File
    61408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61409 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61410 if not self.draw_new_frame(): 
    61411 File
    61412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61413 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61414 changed = view.check_for_drawing_change() 
    61415 File
    61416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61417 packages/chimerax/core/graphics/view.py", line 252, in
    61418 check_for_drawing_change 
    61419 trig.activate_trigger('graphics update', self) 
    61420 File
    61421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61422 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61423 trigger.activate(data) 
    61424 File
    61425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61426 packages/chimerax/core/triggerset.py", line 190, in activate 
    61427 ret = handler.invoke(data, self._remove_bad_handlers) 
    61428 File
    61429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61430 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61431 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61432 File
    61433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61434 packages/chimerax/core/session.py", line 943, in <lambda> 
    61435 logger.report_exception(preface=preface)) 
    61436 File
    61437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61438 packages/chimerax/core/logger.py", line 421, in report_exception 
    61439 elif probably_chimera1_session(exc_info): 
    61440 File
    61441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61442 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61443 etype, evalue, etraceback = exc_info 
    61444 TypeError: cannot unpack non-iterable NoneType object 
    61445  
    61446 TypeError: cannot unpack non-iterable NoneType object 
    61447  
    61448 File
    61449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61450 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61451 etype, evalue, etraceback = exc_info 
    61452  
    61453 See log for complete Python traceback. 
    61454  
    61455 Traceback (most recent call last): 
    61456 File
    61457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61458 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61459 return self._func(self._name, data) 
    61460 File
    61461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61462 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61463 if v.display: 
    61464 File
    61465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61466 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61467 return self._any_displayed_positions and len(self._positions) > 0 
    61468 TypeError: object of type 'NoneType' has no len() 
    61469  
    61470 During handling of the above exception, another exception occurred: 
    61471  
    61472 Traceback (most recent call last): 
    61473 File
    61474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61475 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61476 if not self.draw_new_frame(): 
    61477 File
    61478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61479 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61480 changed = view.check_for_drawing_change() 
    61481 File
    61482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61483 packages/chimerax/core/graphics/view.py", line 252, in
    61484 check_for_drawing_change 
    61485 trig.activate_trigger('graphics update', self) 
    61486 File
    61487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61488 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61489 trigger.activate(data) 
    61490 File
    61491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61492 packages/chimerax/core/triggerset.py", line 190, in activate 
    61493 ret = handler.invoke(data, self._remove_bad_handlers) 
    61494 File
    61495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61496 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61497 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61498 File
    61499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61500 packages/chimerax/core/session.py", line 943, in <lambda> 
    61501 logger.report_exception(preface=preface)) 
    61502 File
    61503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61504 packages/chimerax/core/logger.py", line 421, in report_exception 
    61505 elif probably_chimera1_session(exc_info): 
    61506 File
    61507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61508 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61509 etype, evalue, etraceback = exc_info 
    61510 TypeError: cannot unpack non-iterable NoneType object 
    61511  
    61512 TypeError: cannot unpack non-iterable NoneType object 
    61513  
    61514 File
    61515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61516 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61517 etype, evalue, etraceback = exc_info 
    61518  
    61519 See log for complete Python traceback. 
    61520  
    61521 Traceback (most recent call last): 
    61522 File
    61523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61524 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61525 return self._func(self._name, data) 
    61526 File
    61527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61528 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61529 if v.display: 
    61530 File
    61531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61532 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61533 return self._any_displayed_positions and len(self._positions) > 0 
    61534 TypeError: object of type 'NoneType' has no len() 
    61535  
    61536 During handling of the above exception, another exception occurred: 
    61537  
    61538 Traceback (most recent call last): 
    61539 File
    61540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61541 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61542 if not self.draw_new_frame(): 
    61543 File
    61544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61545 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61546 changed = view.check_for_drawing_change() 
    61547 File
    61548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61549 packages/chimerax/core/graphics/view.py", line 252, in
    61550 check_for_drawing_change 
    61551 trig.activate_trigger('graphics update', self) 
    61552 File
    61553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61554 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61555 trigger.activate(data) 
    61556 File
    61557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61558 packages/chimerax/core/triggerset.py", line 190, in activate 
    61559 ret = handler.invoke(data, self._remove_bad_handlers) 
    61560 File
    61561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61562 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61563 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61564 File
    61565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61566 packages/chimerax/core/session.py", line 943, in <lambda> 
    61567 logger.report_exception(preface=preface)) 
    61568 File
    61569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61570 packages/chimerax/core/logger.py", line 421, in report_exception 
    61571 elif probably_chimera1_session(exc_info): 
    61572 File
    61573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61574 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61575 etype, evalue, etraceback = exc_info 
    61576 TypeError: cannot unpack non-iterable NoneType object 
    61577  
    61578 TypeError: cannot unpack non-iterable NoneType object 
    61579  
    61580 File
    61581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61582 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61583 etype, evalue, etraceback = exc_info 
    61584  
    61585 See log for complete Python traceback. 
    61586  
    61587 Traceback (most recent call last): 
    61588 File
    61589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61590 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61591 return self._func(self._name, data) 
    61592 File
    61593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61594 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61595 if v.display: 
    61596 File
    61597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61598 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61599 return self._any_displayed_positions and len(self._positions) > 0 
    61600 TypeError: object of type 'NoneType' has no len() 
    61601  
    61602 During handling of the above exception, another exception occurred: 
    61603  
    61604 Traceback (most recent call last): 
    61605 File
    61606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61607 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61608 if not self.draw_new_frame(): 
    61609 File
    61610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61611 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61612 changed = view.check_for_drawing_change() 
    61613 File
    61614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61615 packages/chimerax/core/graphics/view.py", line 252, in
    61616 check_for_drawing_change 
    61617 trig.activate_trigger('graphics update', self) 
    61618 File
    61619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61620 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61621 trigger.activate(data) 
    61622 File
    61623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61624 packages/chimerax/core/triggerset.py", line 190, in activate 
    61625 ret = handler.invoke(data, self._remove_bad_handlers) 
    61626 File
    61627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61628 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61629 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61630 File
    61631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61632 packages/chimerax/core/session.py", line 943, in <lambda> 
    61633 logger.report_exception(preface=preface)) 
    61634 File
    61635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61636 packages/chimerax/core/logger.py", line 421, in report_exception 
    61637 elif probably_chimera1_session(exc_info): 
    61638 File
    61639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61640 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61641 etype, evalue, etraceback = exc_info 
    61642 TypeError: cannot unpack non-iterable NoneType object 
    61643  
    61644 TypeError: cannot unpack non-iterable NoneType object 
    61645  
    61646 File
    61647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61648 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61649 etype, evalue, etraceback = exc_info 
    61650  
    61651 See log for complete Python traceback. 
    61652  
    61653 Traceback (most recent call last): 
    61654 File
    61655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61656 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61657 return self._func(self._name, data) 
    61658 File
    61659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61660 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61661 if v.display: 
    61662 File
    61663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61664 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61665 return self._any_displayed_positions and len(self._positions) > 0 
    61666 TypeError: object of type 'NoneType' has no len() 
    61667  
    61668 During handling of the above exception, another exception occurred: 
    61669  
    61670 Traceback (most recent call last): 
    61671 File
    61672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61673 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61674 if not self.draw_new_frame(): 
    61675 File
    61676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61677 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61678 changed = view.check_for_drawing_change() 
    61679 File
    61680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61681 packages/chimerax/core/graphics/view.py", line 252, in
    61682 check_for_drawing_change 
    61683 trig.activate_trigger('graphics update', self) 
    61684 File
    61685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61686 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61687 trigger.activate(data) 
    61688 File
    61689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61690 packages/chimerax/core/triggerset.py", line 190, in activate 
    61691 ret = handler.invoke(data, self._remove_bad_handlers) 
    61692 File
    61693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61694 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61695 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61696 File
    61697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61698 packages/chimerax/core/session.py", line 943, in <lambda> 
    61699 logger.report_exception(preface=preface)) 
    61700 File
    61701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61702 packages/chimerax/core/logger.py", line 421, in report_exception 
    61703 elif probably_chimera1_session(exc_info): 
    61704 File
    61705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61706 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61707 etype, evalue, etraceback = exc_info 
    61708 TypeError: cannot unpack non-iterable NoneType object 
    61709  
    61710 TypeError: cannot unpack non-iterable NoneType object 
    61711  
    61712 File
    61713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61714 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61715 etype, evalue, etraceback = exc_info 
    61716  
    61717 See log for complete Python traceback. 
    61718  
    61719 Traceback (most recent call last): 
    61720 File
    61721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61722 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61723 return self._func(self._name, data) 
    61724 File
    61725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61726 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61727 if v.display: 
    61728 File
    61729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61730 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61731 return self._any_displayed_positions and len(self._positions) > 0 
    61732 TypeError: object of type 'NoneType' has no len() 
    61733  
    61734 During handling of the above exception, another exception occurred: 
    61735  
    61736 Traceback (most recent call last): 
    61737 File
    61738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61739 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61740 if not self.draw_new_frame(): 
    61741 File
    61742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61743 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61744 changed = view.check_for_drawing_change() 
    61745 File
    61746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61747 packages/chimerax/core/graphics/view.py", line 252, in
    61748 check_for_drawing_change 
    61749 trig.activate_trigger('graphics update', self) 
    61750 File
    61751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61752 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61753 trigger.activate(data) 
    61754 File
    61755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61756 packages/chimerax/core/triggerset.py", line 190, in activate 
    61757 ret = handler.invoke(data, self._remove_bad_handlers) 
    61758 File
    61759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61760 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61761 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61762 File
    61763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61764 packages/chimerax/core/session.py", line 943, in <lambda> 
    61765 logger.report_exception(preface=preface)) 
    61766 File
    61767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61768 packages/chimerax/core/logger.py", line 421, in report_exception 
    61769 elif probably_chimera1_session(exc_info): 
    61770 File
    61771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61772 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61773 etype, evalue, etraceback = exc_info 
    61774 TypeError: cannot unpack non-iterable NoneType object 
    61775  
    61776 TypeError: cannot unpack non-iterable NoneType object 
    61777  
    61778 File
    61779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61780 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61781 etype, evalue, etraceback = exc_info 
    61782  
    61783 See log for complete Python traceback. 
    61784  
    61785 Traceback (most recent call last): 
    61786 File
    61787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61788 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61789 return self._func(self._name, data) 
    61790 File
    61791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61792 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61793 if v.display: 
    61794 File
    61795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61796 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61797 return self._any_displayed_positions and len(self._positions) > 0 
    61798 TypeError: object of type 'NoneType' has no len() 
    61799  
    61800 During handling of the above exception, another exception occurred: 
    61801  
    61802 Traceback (most recent call last): 
    61803 File
    61804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61805 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61806 if not self.draw_new_frame(): 
    61807 File
    61808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61809 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61810 changed = view.check_for_drawing_change() 
    61811 File
    61812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61813 packages/chimerax/core/graphics/view.py", line 252, in
    61814 check_for_drawing_change 
    61815 trig.activate_trigger('graphics update', self) 
    61816 File
    61817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61818 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61819 trigger.activate(data) 
    61820 File
    61821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61822 packages/chimerax/core/triggerset.py", line 190, in activate 
    61823 ret = handler.invoke(data, self._remove_bad_handlers) 
    61824 File
    61825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61826 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61827 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61828 File
    61829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61830 packages/chimerax/core/session.py", line 943, in <lambda> 
    61831 logger.report_exception(preface=preface)) 
    61832 File
    61833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61834 packages/chimerax/core/logger.py", line 421, in report_exception 
    61835 elif probably_chimera1_session(exc_info): 
    61836 File
    61837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61838 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61839 etype, evalue, etraceback = exc_info 
    61840 TypeError: cannot unpack non-iterable NoneType object 
    61841  
    61842 TypeError: cannot unpack non-iterable NoneType object 
    61843  
    61844 File
    61845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61846 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61847 etype, evalue, etraceback = exc_info 
    61848  
    61849 See log for complete Python traceback. 
    61850  
    61851 Traceback (most recent call last): 
    61852 File
    61853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61854 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61855 return self._func(self._name, data) 
    61856 File
    61857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61858 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61859 if v.display: 
    61860 File
    61861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61862 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61863 return self._any_displayed_positions and len(self._positions) > 0 
    61864 TypeError: object of type 'NoneType' has no len() 
    61865  
    61866 During handling of the above exception, another exception occurred: 
    61867  
    61868 Traceback (most recent call last): 
    61869 File
    61870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61871 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61872 if not self.draw_new_frame(): 
    61873 File
    61874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61875 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61876 changed = view.check_for_drawing_change() 
    61877 File
    61878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61879 packages/chimerax/core/graphics/view.py", line 252, in
    61880 check_for_drawing_change 
    61881 trig.activate_trigger('graphics update', self) 
    61882 File
    61883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61884 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61885 trigger.activate(data) 
    61886 File
    61887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61888 packages/chimerax/core/triggerset.py", line 190, in activate 
    61889 ret = handler.invoke(data, self._remove_bad_handlers) 
    61890 File
    61891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61892 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61893 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61894 File
    61895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61896 packages/chimerax/core/session.py", line 943, in <lambda> 
    61897 logger.report_exception(preface=preface)) 
    61898 File
    61899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61900 packages/chimerax/core/logger.py", line 421, in report_exception 
    61901 elif probably_chimera1_session(exc_info): 
    61902 File
    61903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61904 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61905 etype, evalue, etraceback = exc_info 
    61906 TypeError: cannot unpack non-iterable NoneType object 
    61907  
    61908 TypeError: cannot unpack non-iterable NoneType object 
    61909  
    61910 File
    61911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61912 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61913 etype, evalue, etraceback = exc_info 
    61914  
    61915 See log for complete Python traceback. 
    61916  
    61917 Traceback (most recent call last): 
    61918 File
    61919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61920 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61921 return self._func(self._name, data) 
    61922 File
    61923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61924 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61925 if v.display: 
    61926 File
    61927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61928 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61929 return self._any_displayed_positions and len(self._positions) > 0 
    61930 TypeError: object of type 'NoneType' has no len() 
    61931  
    61932 During handling of the above exception, another exception occurred: 
    61933  
    61934 Traceback (most recent call last): 
    61935 File
    61936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61937 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    61938 if not self.draw_new_frame(): 
    61939 File
    61940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61941 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    61942 changed = view.check_for_drawing_change() 
    61943 File
    61944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61945 packages/chimerax/core/graphics/view.py", line 252, in
    61946 check_for_drawing_change 
    61947 trig.activate_trigger('graphics update', self) 
    61948 File
    61949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61950 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    61951 trigger.activate(data) 
    61952 File
    61953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61954 packages/chimerax/core/triggerset.py", line 190, in activate 
    61955 ret = handler.invoke(data, self._remove_bad_handlers) 
    61956 File
    61957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61958 packages/chimerax/core/triggerset.py", line 132, in invoke 
    61959 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    61960 File
    61961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61962 packages/chimerax/core/session.py", line 943, in <lambda> 
    61963 logger.report_exception(preface=preface)) 
    61964 File
    61965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61966 packages/chimerax/core/logger.py", line 421, in report_exception 
    61967 elif probably_chimera1_session(exc_info): 
    61968 File
    61969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61970 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61971 etype, evalue, etraceback = exc_info 
    61972 TypeError: cannot unpack non-iterable NoneType object 
    61973  
    61974 TypeError: cannot unpack non-iterable NoneType object 
    61975  
    61976 File
    61977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61978 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    61979 etype, evalue, etraceback = exc_info 
    61980  
    61981 See log for complete Python traceback. 
    61982  
    61983 Traceback (most recent call last): 
    61984 File
    61985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61986 packages/chimerax/core/triggerset.py", line 130, in invoke 
    61987 return self._func(self._name, data) 
    61988 File
    61989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61990 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    61991 if v.display: 
    61992 File
    61993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    61994 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    61995 return self._any_displayed_positions and len(self._positions) > 0 
    61996 TypeError: object of type 'NoneType' has no len() 
    61997  
    61998 During handling of the above exception, another exception occurred: 
    61999  
    62000 Traceback (most recent call last): 
    62001 File
    62002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62003 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62004 if not self.draw_new_frame(): 
    62005 File
    62006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62007 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62008 changed = view.check_for_drawing_change() 
    62009 File
    62010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62011 packages/chimerax/core/graphics/view.py", line 252, in
    62012 check_for_drawing_change 
    62013 trig.activate_trigger('graphics update', self) 
    62014 File
    62015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62016 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62017 trigger.activate(data) 
    62018 File
    62019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62020 packages/chimerax/core/triggerset.py", line 190, in activate 
    62021 ret = handler.invoke(data, self._remove_bad_handlers) 
    62022 File
    62023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62024 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62025 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62026 File
    62027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62028 packages/chimerax/core/session.py", line 943, in <lambda> 
    62029 logger.report_exception(preface=preface)) 
    62030 File
    62031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62032 packages/chimerax/core/logger.py", line 421, in report_exception 
    62033 elif probably_chimera1_session(exc_info): 
    62034 File
    62035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62036 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62037 etype, evalue, etraceback = exc_info 
    62038 TypeError: cannot unpack non-iterable NoneType object 
    62039  
    62040 TypeError: cannot unpack non-iterable NoneType object 
    62041  
    62042 File
    62043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62044 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62045 etype, evalue, etraceback = exc_info 
    62046  
    62047 See log for complete Python traceback. 
    62048  
    62049 Traceback (most recent call last): 
    62050 File
    62051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62052 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62053 return self._func(self._name, data) 
    62054 File
    62055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62056 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62057 if v.display: 
    62058 File
    62059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62060 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62061 return self._any_displayed_positions and len(self._positions) > 0 
    62062 TypeError: object of type 'NoneType' has no len() 
    62063  
    62064 During handling of the above exception, another exception occurred: 
    62065  
    62066 Traceback (most recent call last): 
    62067 File
    62068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62069 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62070 if not self.draw_new_frame(): 
    62071 File
    62072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62073 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62074 changed = view.check_for_drawing_change() 
    62075 File
    62076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62077 packages/chimerax/core/graphics/view.py", line 252, in
    62078 check_for_drawing_change 
    62079 trig.activate_trigger('graphics update', self) 
    62080 File
    62081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62082 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62083 trigger.activate(data) 
    62084 File
    62085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62086 packages/chimerax/core/triggerset.py", line 190, in activate 
    62087 ret = handler.invoke(data, self._remove_bad_handlers) 
    62088 File
    62089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62090 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62091 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62092 File
    62093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62094 packages/chimerax/core/session.py", line 943, in <lambda> 
    62095 logger.report_exception(preface=preface)) 
    62096 File
    62097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62098 packages/chimerax/core/logger.py", line 421, in report_exception 
    62099 elif probably_chimera1_session(exc_info): 
    62100 File
    62101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62102 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62103 etype, evalue, etraceback = exc_info 
    62104 TypeError: cannot unpack non-iterable NoneType object 
    62105  
    62106 TypeError: cannot unpack non-iterable NoneType object 
    62107  
    62108 File
    62109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62110 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62111 etype, evalue, etraceback = exc_info 
    62112  
    62113 See log for complete Python traceback. 
    62114  
    62115 Traceback (most recent call last): 
    62116 File
    62117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62119 return self._func(self._name, data) 
    62120 File
    62121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62122 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62123 if v.display: 
    62124 File
    62125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62126 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62127 return self._any_displayed_positions and len(self._positions) > 0 
    62128 TypeError: object of type 'NoneType' has no len() 
    62129  
    62130 During handling of the above exception, another exception occurred: 
    62131  
    62132 Traceback (most recent call last): 
    62133 File
    62134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62135 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62136 if not self.draw_new_frame(): 
    62137 File
    62138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62139 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62140 changed = view.check_for_drawing_change() 
    62141 File
    62142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62143 packages/chimerax/core/graphics/view.py", line 252, in
    62144 check_for_drawing_change 
    62145 trig.activate_trigger('graphics update', self) 
    62146 File
    62147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62148 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62149 trigger.activate(data) 
    62150 File
    62151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62152 packages/chimerax/core/triggerset.py", line 190, in activate 
    62153 ret = handler.invoke(data, self._remove_bad_handlers) 
    62154 File
    62155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62156 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62157 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62158 File
    62159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62160 packages/chimerax/core/session.py", line 943, in <lambda> 
    62161 logger.report_exception(preface=preface)) 
    62162 File
    62163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62164 packages/chimerax/core/logger.py", line 421, in report_exception 
    62165 elif probably_chimera1_session(exc_info): 
    62166 File
    62167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62168 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62169 etype, evalue, etraceback = exc_info 
    62170 TypeError: cannot unpack non-iterable NoneType object 
    62171  
    62172 TypeError: cannot unpack non-iterable NoneType object 
    62173  
    62174 File
    62175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62176 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62177 etype, evalue, etraceback = exc_info 
    62178  
    62179 See log for complete Python traceback. 
    62180  
    62181 Traceback (most recent call last): 
    62182 File
    62183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62184 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62185 return self._func(self._name, data) 
    62186 File
    62187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62188 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62189 if v.display: 
    62190 File
    62191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62192 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62193 return self._any_displayed_positions and len(self._positions) > 0 
    62194 TypeError: object of type 'NoneType' has no len() 
    62195  
    62196 During handling of the above exception, another exception occurred: 
    62197  
    62198 Traceback (most recent call last): 
    62199 File
    62200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62201 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62202 if not self.draw_new_frame(): 
    62203 File
    62204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62205 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62206 changed = view.check_for_drawing_change() 
    62207 File
    62208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62209 packages/chimerax/core/graphics/view.py", line 252, in
    62210 check_for_drawing_change 
    62211 trig.activate_trigger('graphics update', self) 
    62212 File
    62213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62214 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62215 trigger.activate(data) 
    62216 File
    62217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62218 packages/chimerax/core/triggerset.py", line 190, in activate 
    62219 ret = handler.invoke(data, self._remove_bad_handlers) 
    62220 File
    62221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62222 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62223 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62224 File
    62225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62226 packages/chimerax/core/session.py", line 943, in <lambda> 
    62227 logger.report_exception(preface=preface)) 
    62228 File
    62229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62230 packages/chimerax/core/logger.py", line 421, in report_exception 
    62231 elif probably_chimera1_session(exc_info): 
    62232 File
    62233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62234 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62235 etype, evalue, etraceback = exc_info 
    62236 TypeError: cannot unpack non-iterable NoneType object 
    62237  
    62238 TypeError: cannot unpack non-iterable NoneType object 
    62239  
    62240 File
    62241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62242 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62243 etype, evalue, etraceback = exc_info 
    62244  
    62245 See log for complete Python traceback. 
    62246  
    62247 Traceback (most recent call last): 
    62248 File
    62249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62250 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62251 return self._func(self._name, data) 
    62252 File
    62253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62254 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62255 if v.display: 
    62256 File
    62257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62258 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62259 return self._any_displayed_positions and len(self._positions) > 0 
    62260 TypeError: object of type 'NoneType' has no len() 
    62261  
    62262 During handling of the above exception, another exception occurred: 
    62263  
    62264 Traceback (most recent call last): 
    62265 File
    62266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62267 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62268 if not self.draw_new_frame(): 
    62269 File
    62270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62271 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62272 changed = view.check_for_drawing_change() 
    62273 File
    62274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62275 packages/chimerax/core/graphics/view.py", line 252, in
    62276 check_for_drawing_change 
    62277 trig.activate_trigger('graphics update', self) 
    62278 File
    62279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62280 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62281 trigger.activate(data) 
    62282 File
    62283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62284 packages/chimerax/core/triggerset.py", line 190, in activate 
    62285 ret = handler.invoke(data, self._remove_bad_handlers) 
    62286 File
    62287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62288 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62289 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62290 File
    62291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62292 packages/chimerax/core/session.py", line 943, in <lambda> 
    62293 logger.report_exception(preface=preface)) 
    62294 File
    62295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62296 packages/chimerax/core/logger.py", line 421, in report_exception 
    62297 elif probably_chimera1_session(exc_info): 
    62298 File
    62299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62300 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62301 etype, evalue, etraceback = exc_info 
    62302 TypeError: cannot unpack non-iterable NoneType object 
    62303  
    62304 TypeError: cannot unpack non-iterable NoneType object 
    62305  
    62306 File
    62307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62308 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62309 etype, evalue, etraceback = exc_info 
    62310  
    62311 See log for complete Python traceback. 
    62312  
    62313 Traceback (most recent call last): 
    62314 File
    62315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62316 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62317 return self._func(self._name, data) 
    62318 File
    62319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62320 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62321 if v.display: 
    62322 File
    62323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62324 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62325 return self._any_displayed_positions and len(self._positions) > 0 
    62326 TypeError: object of type 'NoneType' has no len() 
    62327  
    62328 During handling of the above exception, another exception occurred: 
    62329  
    62330 Traceback (most recent call last): 
    62331 File
    62332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62333 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62334 if not self.draw_new_frame(): 
    62335 File
    62336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62337 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62338 changed = view.check_for_drawing_change() 
    62339 File
    62340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62341 packages/chimerax/core/graphics/view.py", line 252, in
    62342 check_for_drawing_change 
    62343 trig.activate_trigger('graphics update', self) 
    62344 File
    62345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62346 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62347 trigger.activate(data) 
    62348 File
    62349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62350 packages/chimerax/core/triggerset.py", line 190, in activate 
    62351 ret = handler.invoke(data, self._remove_bad_handlers) 
    62352 File
    62353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62354 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62355 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62356 File
    62357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62358 packages/chimerax/core/session.py", line 943, in <lambda> 
    62359 logger.report_exception(preface=preface)) 
    62360 File
    62361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62362 packages/chimerax/core/logger.py", line 421, in report_exception 
    62363 elif probably_chimera1_session(exc_info): 
    62364 File
    62365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62366 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62367 etype, evalue, etraceback = exc_info 
    62368 TypeError: cannot unpack non-iterable NoneType object 
    62369  
    62370 TypeError: cannot unpack non-iterable NoneType object 
    62371  
    62372 File
    62373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62374 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62375 etype, evalue, etraceback = exc_info 
    62376  
    62377 See log for complete Python traceback. 
    62378  
    62379 Traceback (most recent call last): 
    62380 File
    62381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62382 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62383 return self._func(self._name, data) 
    62384 File
    62385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62386 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62387 if v.display: 
    62388 File
    62389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62390 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62391 return self._any_displayed_positions and len(self._positions) > 0 
    62392 TypeError: object of type 'NoneType' has no len() 
    62393  
    62394 During handling of the above exception, another exception occurred: 
    62395  
    62396 Traceback (most recent call last): 
    62397 File
    62398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62399 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62400 if not self.draw_new_frame(): 
    62401 File
    62402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62403 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62404 changed = view.check_for_drawing_change() 
    62405 File
    62406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62407 packages/chimerax/core/graphics/view.py", line 252, in
    62408 check_for_drawing_change 
    62409 trig.activate_trigger('graphics update', self) 
    62410 File
    62411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62412 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62413 trigger.activate(data) 
    62414 File
    62415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62416 packages/chimerax/core/triggerset.py", line 190, in activate 
    62417 ret = handler.invoke(data, self._remove_bad_handlers) 
    62418 File
    62419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62420 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62421 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62422 File
    62423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62424 packages/chimerax/core/session.py", line 943, in <lambda> 
    62425 logger.report_exception(preface=preface)) 
    62426 File
    62427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62428 packages/chimerax/core/logger.py", line 421, in report_exception 
    62429 elif probably_chimera1_session(exc_info): 
    62430 File
    62431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62432 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62433 etype, evalue, etraceback = exc_info 
    62434 TypeError: cannot unpack non-iterable NoneType object 
    62435  
    62436 TypeError: cannot unpack non-iterable NoneType object 
    62437  
    62438 File
    62439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62440 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62441 etype, evalue, etraceback = exc_info 
    62442  
    62443 See log for complete Python traceback. 
    62444  
    62445 Traceback (most recent call last): 
    62446 File
    62447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62448 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62449 return self._func(self._name, data) 
    62450 File
    62451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62452 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62453 if v.display: 
    62454 File
    62455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62456 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62457 return self._any_displayed_positions and len(self._positions) > 0 
    62458 TypeError: object of type 'NoneType' has no len() 
    62459  
    62460 During handling of the above exception, another exception occurred: 
    62461  
    62462 Traceback (most recent call last): 
    62463 File
    62464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62465 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62466 if not self.draw_new_frame(): 
    62467 File
    62468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62469 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62470 changed = view.check_for_drawing_change() 
    62471 File
    62472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62473 packages/chimerax/core/graphics/view.py", line 252, in
    62474 check_for_drawing_change 
    62475 trig.activate_trigger('graphics update', self) 
    62476 File
    62477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62478 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62479 trigger.activate(data) 
    62480 File
    62481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62482 packages/chimerax/core/triggerset.py", line 190, in activate 
    62483 ret = handler.invoke(data, self._remove_bad_handlers) 
    62484 File
    62485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62486 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62487 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62488 File
    62489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62490 packages/chimerax/core/session.py", line 943, in <lambda> 
    62491 logger.report_exception(preface=preface)) 
    62492 File
    62493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62494 packages/chimerax/core/logger.py", line 421, in report_exception 
    62495 elif probably_chimera1_session(exc_info): 
    62496 File
    62497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62498 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62499 etype, evalue, etraceback = exc_info 
    62500 TypeError: cannot unpack non-iterable NoneType object 
    62501  
    62502 TypeError: cannot unpack non-iterable NoneType object 
    62503  
    62504 File
    62505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62506 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62507 etype, evalue, etraceback = exc_info 
    62508  
    62509 See log for complete Python traceback. 
    62510  
    62511 Traceback (most recent call last): 
    62512 File
    62513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62514 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62515 return self._func(self._name, data) 
    62516 File
    62517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62518 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62519 if v.display: 
    62520 File
    62521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62522 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62523 return self._any_displayed_positions and len(self._positions) > 0 
    62524 TypeError: object of type 'NoneType' has no len() 
    62525  
    62526 During handling of the above exception, another exception occurred: 
    62527  
    62528 Traceback (most recent call last): 
    62529 File
    62530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62531 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62532 if not self.draw_new_frame(): 
    62533 File
    62534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62535 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62536 changed = view.check_for_drawing_change() 
    62537 File
    62538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62539 packages/chimerax/core/graphics/view.py", line 252, in
    62540 check_for_drawing_change 
    62541 trig.activate_trigger('graphics update', self) 
    62542 File
    62543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62544 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62545 trigger.activate(data) 
    62546 File
    62547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62548 packages/chimerax/core/triggerset.py", line 190, in activate 
    62549 ret = handler.invoke(data, self._remove_bad_handlers) 
    62550 File
    62551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62552 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62553 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62554 File
    62555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62556 packages/chimerax/core/session.py", line 943, in <lambda> 
    62557 logger.report_exception(preface=preface)) 
    62558 File
    62559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62560 packages/chimerax/core/logger.py", line 421, in report_exception 
    62561 elif probably_chimera1_session(exc_info): 
    62562 File
    62563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62564 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62565 etype, evalue, etraceback = exc_info 
    62566 TypeError: cannot unpack non-iterable NoneType object 
    62567  
    62568 TypeError: cannot unpack non-iterable NoneType object 
    62569  
    62570 File
    62571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62572 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62573 etype, evalue, etraceback = exc_info 
    62574  
    62575 See log for complete Python traceback. 
    62576  
    62577 Traceback (most recent call last): 
    62578 File
    62579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62580 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62581 return self._func(self._name, data) 
    62582 File
    62583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62584 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62585 if v.display: 
    62586 File
    62587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62588 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62589 return self._any_displayed_positions and len(self._positions) > 0 
    62590 TypeError: object of type 'NoneType' has no len() 
    62591  
    62592 During handling of the above exception, another exception occurred: 
    62593  
    62594 Traceback (most recent call last): 
    62595 File
    62596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62597 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62598 if not self.draw_new_frame(): 
    62599 File
    62600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62601 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62602 changed = view.check_for_drawing_change() 
    62603 File
    62604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62605 packages/chimerax/core/graphics/view.py", line 252, in
    62606 check_for_drawing_change 
    62607 trig.activate_trigger('graphics update', self) 
    62608 File
    62609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62610 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62611 trigger.activate(data) 
    62612 File
    62613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62614 packages/chimerax/core/triggerset.py", line 190, in activate 
    62615 ret = handler.invoke(data, self._remove_bad_handlers) 
    62616 File
    62617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62618 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62619 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62620 File
    62621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62622 packages/chimerax/core/session.py", line 943, in <lambda> 
    62623 logger.report_exception(preface=preface)) 
    62624 File
    62625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62626 packages/chimerax/core/logger.py", line 421, in report_exception 
    62627 elif probably_chimera1_session(exc_info): 
    62628 File
    62629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62630 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62631 etype, evalue, etraceback = exc_info 
    62632 TypeError: cannot unpack non-iterable NoneType object 
    62633  
    62634 TypeError: cannot unpack non-iterable NoneType object 
    62635  
    62636 File
    62637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62638 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62639 etype, evalue, etraceback = exc_info 
    62640  
    62641 See log for complete Python traceback. 
    62642  
    62643 Traceback (most recent call last): 
    62644 File
    62645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62646 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62647 return self._func(self._name, data) 
    62648 File
    62649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62650 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62651 if v.display: 
    62652 File
    62653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62654 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62655 return self._any_displayed_positions and len(self._positions) > 0 
    62656 TypeError: object of type 'NoneType' has no len() 
    62657  
    62658 During handling of the above exception, another exception occurred: 
    62659  
    62660 Traceback (most recent call last): 
    62661 File
    62662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62663 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62664 if not self.draw_new_frame(): 
    62665 File
    62666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62667 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62668 changed = view.check_for_drawing_change() 
    62669 File
    62670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62671 packages/chimerax/core/graphics/view.py", line 252, in
    62672 check_for_drawing_change 
    62673 trig.activate_trigger('graphics update', self) 
    62674 File
    62675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62676 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62677 trigger.activate(data) 
    62678 File
    62679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62680 packages/chimerax/core/triggerset.py", line 190, in activate 
    62681 ret = handler.invoke(data, self._remove_bad_handlers) 
    62682 File
    62683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62684 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62685 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62686 File
    62687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62688 packages/chimerax/core/session.py", line 943, in <lambda> 
    62689 logger.report_exception(preface=preface)) 
    62690 File
    62691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62692 packages/chimerax/core/logger.py", line 421, in report_exception 
    62693 elif probably_chimera1_session(exc_info): 
    62694 File
    62695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62696 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62697 etype, evalue, etraceback = exc_info 
    62698 TypeError: cannot unpack non-iterable NoneType object 
    62699  
    62700 TypeError: cannot unpack non-iterable NoneType object 
    62701  
    62702 File
    62703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62704 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62705 etype, evalue, etraceback = exc_info 
    62706  
    62707 See log for complete Python traceback. 
    62708  
    62709 Traceback (most recent call last): 
    62710 File
    62711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62712 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62713 return self._func(self._name, data) 
    62714 File
    62715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62716 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62717 if v.display: 
    62718 File
    62719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62720 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62721 return self._any_displayed_positions and len(self._positions) > 0 
    62722 TypeError: object of type 'NoneType' has no len() 
    62723  
    62724 During handling of the above exception, another exception occurred: 
    62725  
    62726 Traceback (most recent call last): 
    62727 File
    62728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62729 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62730 if not self.draw_new_frame(): 
    62731 File
    62732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62733 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62734 changed = view.check_for_drawing_change() 
    62735 File
    62736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62737 packages/chimerax/core/graphics/view.py", line 252, in
    62738 check_for_drawing_change 
    62739 trig.activate_trigger('graphics update', self) 
    62740 File
    62741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62742 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62743 trigger.activate(data) 
    62744 File
    62745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62746 packages/chimerax/core/triggerset.py", line 190, in activate 
    62747 ret = handler.invoke(data, self._remove_bad_handlers) 
    62748 File
    62749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62750 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62751 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62752 File
    62753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62754 packages/chimerax/core/session.py", line 943, in <lambda> 
    62755 logger.report_exception(preface=preface)) 
    62756 File
    62757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62758 packages/chimerax/core/logger.py", line 421, in report_exception 
    62759 elif probably_chimera1_session(exc_info): 
    62760 File
    62761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62762 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62763 etype, evalue, etraceback = exc_info 
    62764 TypeError: cannot unpack non-iterable NoneType object 
    62765  
    62766 TypeError: cannot unpack non-iterable NoneType object 
    62767  
    62768 File
    62769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62770 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62771 etype, evalue, etraceback = exc_info 
    62772  
    62773 See log for complete Python traceback. 
    62774  
    62775 Traceback (most recent call last): 
    62776 File
    62777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62778 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62779 return self._func(self._name, data) 
    62780 File
    62781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62782 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62783 if v.display: 
    62784 File
    62785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62786 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62787 return self._any_displayed_positions and len(self._positions) > 0 
    62788 TypeError: object of type 'NoneType' has no len() 
    62789  
    62790 During handling of the above exception, another exception occurred: 
    62791  
    62792 Traceback (most recent call last): 
    62793 File
    62794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62795 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62796 if not self.draw_new_frame(): 
    62797 File
    62798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62799 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62800 changed = view.check_for_drawing_change() 
    62801 File
    62802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62803 packages/chimerax/core/graphics/view.py", line 252, in
    62804 check_for_drawing_change 
    62805 trig.activate_trigger('graphics update', self) 
    62806 File
    62807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62808 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62809 trigger.activate(data) 
    62810 File
    62811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62812 packages/chimerax/core/triggerset.py", line 190, in activate 
    62813 ret = handler.invoke(data, self._remove_bad_handlers) 
    62814 File
    62815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62816 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62817 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62818 File
    62819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62820 packages/chimerax/core/session.py", line 943, in <lambda> 
    62821 logger.report_exception(preface=preface)) 
    62822 File
    62823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62824 packages/chimerax/core/logger.py", line 421, in report_exception 
    62825 elif probably_chimera1_session(exc_info): 
    62826 File
    62827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62828 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62829 etype, evalue, etraceback = exc_info 
    62830 TypeError: cannot unpack non-iterable NoneType object 
    62831  
    62832 TypeError: cannot unpack non-iterable NoneType object 
    62833  
    62834 File
    62835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62836 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62837 etype, evalue, etraceback = exc_info 
    62838  
    62839 See log for complete Python traceback. 
    62840  
    62841 Traceback (most recent call last): 
    62842 File
    62843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62844 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62845 return self._func(self._name, data) 
    62846 File
    62847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62848 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62849 if v.display: 
    62850 File
    62851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62852 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62853 return self._any_displayed_positions and len(self._positions) > 0 
    62854 TypeError: object of type 'NoneType' has no len() 
    62855  
    62856 During handling of the above exception, another exception occurred: 
    62857  
    62858 Traceback (most recent call last): 
    62859 File
    62860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62861 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62862 if not self.draw_new_frame(): 
    62863 File
    62864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62865 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62866 changed = view.check_for_drawing_change() 
    62867 File
    62868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62869 packages/chimerax/core/graphics/view.py", line 252, in
    62870 check_for_drawing_change 
    62871 trig.activate_trigger('graphics update', self) 
    62872 File
    62873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62874 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62875 trigger.activate(data) 
    62876 File
    62877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62878 packages/chimerax/core/triggerset.py", line 190, in activate 
    62879 ret = handler.invoke(data, self._remove_bad_handlers) 
    62880 File
    62881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62882 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62883 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62884 File
    62885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62886 packages/chimerax/core/session.py", line 943, in <lambda> 
    62887 logger.report_exception(preface=preface)) 
    62888 File
    62889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62890 packages/chimerax/core/logger.py", line 421, in report_exception 
    62891 elif probably_chimera1_session(exc_info): 
    62892 File
    62893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62894 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62895 etype, evalue, etraceback = exc_info 
    62896 TypeError: cannot unpack non-iterable NoneType object 
    62897  
    62898 TypeError: cannot unpack non-iterable NoneType object 
    62899  
    62900 File
    62901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62902 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62903 etype, evalue, etraceback = exc_info 
    62904  
    62905 See log for complete Python traceback. 
    62906  
    62907 Traceback (most recent call last): 
    62908 File
    62909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62910 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62911 return self._func(self._name, data) 
    62912 File
    62913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62914 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62915 if v.display: 
    62916 File
    62917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62918 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62919 return self._any_displayed_positions and len(self._positions) > 0 
    62920 TypeError: object of type 'NoneType' has no len() 
    62921  
    62922 During handling of the above exception, another exception occurred: 
    62923  
    62924 Traceback (most recent call last): 
    62925 File
    62926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62927 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62928 if not self.draw_new_frame(): 
    62929 File
    62930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62931 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62932 changed = view.check_for_drawing_change() 
    62933 File
    62934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62935 packages/chimerax/core/graphics/view.py", line 252, in
    62936 check_for_drawing_change 
    62937 trig.activate_trigger('graphics update', self) 
    62938 File
    62939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62940 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    62941 trigger.activate(data) 
    62942 File
    62943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62944 packages/chimerax/core/triggerset.py", line 190, in activate 
    62945 ret = handler.invoke(data, self._remove_bad_handlers) 
    62946 File
    62947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62948 packages/chimerax/core/triggerset.py", line 132, in invoke 
    62949 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    62950 File
    62951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62952 packages/chimerax/core/session.py", line 943, in <lambda> 
    62953 logger.report_exception(preface=preface)) 
    62954 File
    62955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62956 packages/chimerax/core/logger.py", line 421, in report_exception 
    62957 elif probably_chimera1_session(exc_info): 
    62958 File
    62959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62960 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62961 etype, evalue, etraceback = exc_info 
    62962 TypeError: cannot unpack non-iterable NoneType object 
    62963  
    62964 TypeError: cannot unpack non-iterable NoneType object 
    62965  
    62966 File
    62967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62968 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    62969 etype, evalue, etraceback = exc_info 
    62970  
    62971 See log for complete Python traceback. 
    62972  
    62973 Traceback (most recent call last): 
    62974 File
    62975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62976 packages/chimerax/core/triggerset.py", line 130, in invoke 
    62977 return self._func(self._name, data) 
    62978 File
    62979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62980 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    62981 if v.display: 
    62982 File
    62983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62984 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    62985 return self._any_displayed_positions and len(self._positions) > 0 
    62986 TypeError: object of type 'NoneType' has no len() 
    62987  
    62988 During handling of the above exception, another exception occurred: 
    62989  
    62990 Traceback (most recent call last): 
    62991 File
    62992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62993 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    62994 if not self.draw_new_frame(): 
    62995 File
    62996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    62997 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    62998 changed = view.check_for_drawing_change() 
    62999 File
    63000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63001 packages/chimerax/core/graphics/view.py", line 252, in
    63002 check_for_drawing_change 
    63003 trig.activate_trigger('graphics update', self) 
    63004 File
    63005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63006 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63007 trigger.activate(data) 
    63008 File
    63009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63010 packages/chimerax/core/triggerset.py", line 190, in activate 
    63011 ret = handler.invoke(data, self._remove_bad_handlers) 
    63012 File
    63013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63014 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63015 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63016 File
    63017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63018 packages/chimerax/core/session.py", line 943, in <lambda> 
    63019 logger.report_exception(preface=preface)) 
    63020 File
    63021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63022 packages/chimerax/core/logger.py", line 421, in report_exception 
    63023 elif probably_chimera1_session(exc_info): 
    63024 File
    63025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63026 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63027 etype, evalue, etraceback = exc_info 
    63028 TypeError: cannot unpack non-iterable NoneType object 
    63029  
    63030 TypeError: cannot unpack non-iterable NoneType object 
    63031  
    63032 File
    63033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63034 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63035 etype, evalue, etraceback = exc_info 
    63036  
    63037 See log for complete Python traceback. 
    63038  
    63039 Traceback (most recent call last): 
    63040 File
    63041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63042 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63043 return self._func(self._name, data) 
    63044 File
    63045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63046 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63047 if v.display: 
    63048 File
    63049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63050 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63051 return self._any_displayed_positions and len(self._positions) > 0 
    63052 TypeError: object of type 'NoneType' has no len() 
    63053  
    63054 During handling of the above exception, another exception occurred: 
    63055  
    63056 Traceback (most recent call last): 
    63057 File
    63058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63059 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63060 if not self.draw_new_frame(): 
    63061 File
    63062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63063 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63064 changed = view.check_for_drawing_change() 
    63065 File
    63066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63067 packages/chimerax/core/graphics/view.py", line 252, in
    63068 check_for_drawing_change 
    63069 trig.activate_trigger('graphics update', self) 
    63070 File
    63071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63072 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63073 trigger.activate(data) 
    63074 File
    63075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63076 packages/chimerax/core/triggerset.py", line 190, in activate 
    63077 ret = handler.invoke(data, self._remove_bad_handlers) 
    63078 File
    63079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63080 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63081 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63082 File
    63083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63084 packages/chimerax/core/session.py", line 943, in <lambda> 
    63085 logger.report_exception(preface=preface)) 
    63086 File
    63087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63088 packages/chimerax/core/logger.py", line 421, in report_exception 
    63089 elif probably_chimera1_session(exc_info): 
    63090 File
    63091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63092 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63093 etype, evalue, etraceback = exc_info 
    63094 TypeError: cannot unpack non-iterable NoneType object 
    63095  
    63096 TypeError: cannot unpack non-iterable NoneType object 
    63097  
    63098 File
    63099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63100 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63101 etype, evalue, etraceback = exc_info 
    63102  
    63103 See log for complete Python traceback. 
    63104  
    63105 Traceback (most recent call last): 
    63106 File
    63107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63108 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63109 return self._func(self._name, data) 
    63110 File
    63111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63112 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63113 if v.display: 
    63114 File
    63115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63116 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63117 return self._any_displayed_positions and len(self._positions) > 0 
    63118 TypeError: object of type 'NoneType' has no len() 
    63119  
    63120 During handling of the above exception, another exception occurred: 
    63121  
    63122 Traceback (most recent call last): 
    63123 File
    63124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63125 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63126 if not self.draw_new_frame(): 
    63127 File
    63128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63129 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63130 changed = view.check_for_drawing_change() 
    63131 File
    63132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63133 packages/chimerax/core/graphics/view.py", line 252, in
    63134 check_for_drawing_change 
    63135 trig.activate_trigger('graphics update', self) 
    63136 File
    63137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63138 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63139 trigger.activate(data) 
    63140 File
    63141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63142 packages/chimerax/core/triggerset.py", line 190, in activate 
    63143 ret = handler.invoke(data, self._remove_bad_handlers) 
    63144 File
    63145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63146 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63147 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63148 File
    63149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63150 packages/chimerax/core/session.py", line 943, in <lambda> 
    63151 logger.report_exception(preface=preface)) 
    63152 File
    63153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63154 packages/chimerax/core/logger.py", line 421, in report_exception 
    63155 elif probably_chimera1_session(exc_info): 
    63156 File
    63157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63158 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63159 etype, evalue, etraceback = exc_info 
    63160 TypeError: cannot unpack non-iterable NoneType object 
    63161  
    63162 TypeError: cannot unpack non-iterable NoneType object 
    63163  
    63164 File
    63165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63166 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63167 etype, evalue, etraceback = exc_info 
    63168  
    63169 See log for complete Python traceback. 
    63170  
    63171 Traceback (most recent call last): 
    63172 File
    63173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63174 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63175 return self._func(self._name, data) 
    63176 File
    63177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63178 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63179 if v.display: 
    63180 File
    63181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63182 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63183 return self._any_displayed_positions and len(self._positions) > 0 
    63184 TypeError: object of type 'NoneType' has no len() 
    63185  
    63186 During handling of the above exception, another exception occurred: 
    63187  
    63188 Traceback (most recent call last): 
    63189 File
    63190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63191 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63192 if not self.draw_new_frame(): 
    63193 File
    63194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63195 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63196 changed = view.check_for_drawing_change() 
    63197 File
    63198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63199 packages/chimerax/core/graphics/view.py", line 252, in
    63200 check_for_drawing_change 
    63201 trig.activate_trigger('graphics update', self) 
    63202 File
    63203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63204 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63205 trigger.activate(data) 
    63206 File
    63207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63208 packages/chimerax/core/triggerset.py", line 190, in activate 
    63209 ret = handler.invoke(data, self._remove_bad_handlers) 
    63210 File
    63211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63212 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63213 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63214 File
    63215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63216 packages/chimerax/core/session.py", line 943, in <lambda> 
    63217 logger.report_exception(preface=preface)) 
    63218 File
    63219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63220 packages/chimerax/core/logger.py", line 421, in report_exception 
    63221 elif probably_chimera1_session(exc_info): 
    63222 File
    63223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63224 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63225 etype, evalue, etraceback = exc_info 
    63226 TypeError: cannot unpack non-iterable NoneType object 
    63227  
    63228 TypeError: cannot unpack non-iterable NoneType object 
    63229  
    63230 File
    63231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63232 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63233 etype, evalue, etraceback = exc_info 
    63234  
    63235 See log for complete Python traceback. 
    63236  
    63237 Traceback (most recent call last): 
    63238 File
    63239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63240 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63241 return self._func(self._name, data) 
    63242 File
    63243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63244 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63245 if v.display: 
    63246 File
    63247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63248 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63249 return self._any_displayed_positions and len(self._positions) > 0 
    63250 TypeError: object of type 'NoneType' has no len() 
    63251  
    63252 During handling of the above exception, another exception occurred: 
    63253  
    63254 Traceback (most recent call last): 
    63255 File
    63256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63257 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63258 if not self.draw_new_frame(): 
    63259 File
    63260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63261 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63262 changed = view.check_for_drawing_change() 
    63263 File
    63264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63265 packages/chimerax/core/graphics/view.py", line 252, in
    63266 check_for_drawing_change 
    63267 trig.activate_trigger('graphics update', self) 
    63268 File
    63269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63270 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63271 trigger.activate(data) 
    63272 File
    63273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63274 packages/chimerax/core/triggerset.py", line 190, in activate 
    63275 ret = handler.invoke(data, self._remove_bad_handlers) 
    63276 File
    63277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63278 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63279 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63280 File
    63281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63282 packages/chimerax/core/session.py", line 943, in <lambda> 
    63283 logger.report_exception(preface=preface)) 
    63284 File
    63285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63286 packages/chimerax/core/logger.py", line 421, in report_exception 
    63287 elif probably_chimera1_session(exc_info): 
    63288 File
    63289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63290 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63291 etype, evalue, etraceback = exc_info 
    63292 TypeError: cannot unpack non-iterable NoneType object 
    63293  
    63294 TypeError: cannot unpack non-iterable NoneType object 
    63295  
    63296 File
    63297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63298 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63299 etype, evalue, etraceback = exc_info 
    63300  
    63301 See log for complete Python traceback. 
    63302  
    63303 Traceback (most recent call last): 
    63304 File
    63305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63306 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63307 return self._func(self._name, data) 
    63308 File
    63309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63310 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63311 if v.display: 
    63312 File
    63313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63314 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63315 return self._any_displayed_positions and len(self._positions) > 0 
    63316 TypeError: object of type 'NoneType' has no len() 
    63317  
    63318 During handling of the above exception, another exception occurred: 
    63319  
    63320 Traceback (most recent call last): 
    63321 File
    63322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63323 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63324 if not self.draw_new_frame(): 
    63325 File
    63326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63327 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63328 changed = view.check_for_drawing_change() 
    63329 File
    63330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63331 packages/chimerax/core/graphics/view.py", line 252, in
    63332 check_for_drawing_change 
    63333 trig.activate_trigger('graphics update', self) 
    63334 File
    63335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63336 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63337 trigger.activate(data) 
    63338 File
    63339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63340 packages/chimerax/core/triggerset.py", line 190, in activate 
    63341 ret = handler.invoke(data, self._remove_bad_handlers) 
    63342 File
    63343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63344 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63345 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63346 File
    63347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63348 packages/chimerax/core/session.py", line 943, in <lambda> 
    63349 logger.report_exception(preface=preface)) 
    63350 File
    63351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63352 packages/chimerax/core/logger.py", line 421, in report_exception 
    63353 elif probably_chimera1_session(exc_info): 
    63354 File
    63355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63356 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63357 etype, evalue, etraceback = exc_info 
    63358 TypeError: cannot unpack non-iterable NoneType object 
    63359  
    63360 TypeError: cannot unpack non-iterable NoneType object 
    63361  
    63362 File
    63363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63364 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63365 etype, evalue, etraceback = exc_info 
    63366  
    63367 See log for complete Python traceback. 
    63368  
    63369 Traceback (most recent call last): 
    63370 File
    63371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63372 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63373 return self._func(self._name, data) 
    63374 File
    63375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63376 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63377 if v.display: 
    63378 File
    63379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63380 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63381 return self._any_displayed_positions and len(self._positions) > 0 
    63382 TypeError: object of type 'NoneType' has no len() 
    63383  
    63384 During handling of the above exception, another exception occurred: 
    63385  
    63386 Traceback (most recent call last): 
    63387 File
    63388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63389 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63390 if not self.draw_new_frame(): 
    63391 File
    63392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63393 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63394 changed = view.check_for_drawing_change() 
    63395 File
    63396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63397 packages/chimerax/core/graphics/view.py", line 252, in
    63398 check_for_drawing_change 
    63399 trig.activate_trigger('graphics update', self) 
    63400 File
    63401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63402 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63403 trigger.activate(data) 
    63404 File
    63405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63406 packages/chimerax/core/triggerset.py", line 190, in activate 
    63407 ret = handler.invoke(data, self._remove_bad_handlers) 
    63408 File
    63409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63410 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63411 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63412 File
    63413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63414 packages/chimerax/core/session.py", line 943, in <lambda> 
    63415 logger.report_exception(preface=preface)) 
    63416 File
    63417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63418 packages/chimerax/core/logger.py", line 421, in report_exception 
    63419 elif probably_chimera1_session(exc_info): 
    63420 File
    63421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63422 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63423 etype, evalue, etraceback = exc_info 
    63424 TypeError: cannot unpack non-iterable NoneType object 
    63425  
    63426 TypeError: cannot unpack non-iterable NoneType object 
    63427  
    63428 File
    63429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63430 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63431 etype, evalue, etraceback = exc_info 
    63432  
    63433 See log for complete Python traceback. 
    63434  
    63435 Traceback (most recent call last): 
    63436 File
    63437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63438 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63439 return self._func(self._name, data) 
    63440 File
    63441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63442 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63443 if v.display: 
    63444 File
    63445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63446 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63447 return self._any_displayed_positions and len(self._positions) > 0 
    63448 TypeError: object of type 'NoneType' has no len() 
    63449  
    63450 During handling of the above exception, another exception occurred: 
    63451  
    63452 Traceback (most recent call last): 
    63453 File
    63454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63455 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63456 if not self.draw_new_frame(): 
    63457 File
    63458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63459 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63460 changed = view.check_for_drawing_change() 
    63461 File
    63462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63463 packages/chimerax/core/graphics/view.py", line 252, in
    63464 check_for_drawing_change 
    63465 trig.activate_trigger('graphics update', self) 
    63466 File
    63467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63468 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63469 trigger.activate(data) 
    63470 File
    63471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63472 packages/chimerax/core/triggerset.py", line 190, in activate 
    63473 ret = handler.invoke(data, self._remove_bad_handlers) 
    63474 File
    63475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63476 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63477 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63478 File
    63479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63480 packages/chimerax/core/session.py", line 943, in <lambda> 
    63481 logger.report_exception(preface=preface)) 
    63482 File
    63483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63484 packages/chimerax/core/logger.py", line 421, in report_exception 
    63485 elif probably_chimera1_session(exc_info): 
    63486 File
    63487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63488 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63489 etype, evalue, etraceback = exc_info 
    63490 TypeError: cannot unpack non-iterable NoneType object 
    63491  
    63492 TypeError: cannot unpack non-iterable NoneType object 
    63493  
    63494 File
    63495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63496 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63497 etype, evalue, etraceback = exc_info 
    63498  
    63499 See log for complete Python traceback. 
    63500  
    63501 Traceback (most recent call last): 
    63502 File
    63503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63504 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63505 return self._func(self._name, data) 
    63506 File
    63507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63508 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63509 if v.display: 
    63510 File
    63511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63512 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63513 return self._any_displayed_positions and len(self._positions) > 0 
    63514 TypeError: object of type 'NoneType' has no len() 
    63515  
    63516 During handling of the above exception, another exception occurred: 
    63517  
    63518 Traceback (most recent call last): 
    63519 File
    63520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63521 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63522 if not self.draw_new_frame(): 
    63523 File
    63524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63525 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63526 changed = view.check_for_drawing_change() 
    63527 File
    63528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63529 packages/chimerax/core/graphics/view.py", line 252, in
    63530 check_for_drawing_change 
    63531 trig.activate_trigger('graphics update', self) 
    63532 File
    63533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63534 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63535 trigger.activate(data) 
    63536 File
    63537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63538 packages/chimerax/core/triggerset.py", line 190, in activate 
    63539 ret = handler.invoke(data, self._remove_bad_handlers) 
    63540 File
    63541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63542 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63543 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63544 File
    63545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63546 packages/chimerax/core/session.py", line 943, in <lambda> 
    63547 logger.report_exception(preface=preface)) 
    63548 File
    63549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63550 packages/chimerax/core/logger.py", line 421, in report_exception 
    63551 elif probably_chimera1_session(exc_info): 
    63552 File
    63553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63554 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63555 etype, evalue, etraceback = exc_info 
    63556 TypeError: cannot unpack non-iterable NoneType object 
    63557  
    63558 TypeError: cannot unpack non-iterable NoneType object 
    63559  
    63560 File
    63561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63562 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63563 etype, evalue, etraceback = exc_info 
    63564  
    63565 See log for complete Python traceback. 
    63566  
    63567 Traceback (most recent call last): 
    63568 File
    63569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63570 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63571 return self._func(self._name, data) 
    63572 File
    63573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63574 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63575 if v.display: 
    63576 File
    63577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63578 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63579 return self._any_displayed_positions and len(self._positions) > 0 
    63580 TypeError: object of type 'NoneType' has no len() 
    63581  
    63582 During handling of the above exception, another exception occurred: 
    63583  
    63584 Traceback (most recent call last): 
    63585 File
    63586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63587 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63588 if not self.draw_new_frame(): 
    63589 File
    63590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63591 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63592 changed = view.check_for_drawing_change() 
    63593 File
    63594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63595 packages/chimerax/core/graphics/view.py", line 252, in
    63596 check_for_drawing_change 
    63597 trig.activate_trigger('graphics update', self) 
    63598 File
    63599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63600 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63601 trigger.activate(data) 
    63602 File
    63603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63604 packages/chimerax/core/triggerset.py", line 190, in activate 
    63605 ret = handler.invoke(data, self._remove_bad_handlers) 
    63606 File
    63607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63608 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63609 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63610 File
    63611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63612 packages/chimerax/core/session.py", line 943, in <lambda> 
    63613 logger.report_exception(preface=preface)) 
    63614 File
    63615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63616 packages/chimerax/core/logger.py", line 421, in report_exception 
    63617 elif probably_chimera1_session(exc_info): 
    63618 File
    63619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63620 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63621 etype, evalue, etraceback = exc_info 
    63622 TypeError: cannot unpack non-iterable NoneType object 
    63623  
    63624 TypeError: cannot unpack non-iterable NoneType object 
    63625  
    63626 File
    63627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63628 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63629 etype, evalue, etraceback = exc_info 
    63630  
    63631 See log for complete Python traceback. 
    63632  
    63633 Traceback (most recent call last): 
    63634 File
    63635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63636 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63637 return self._func(self._name, data) 
    63638 File
    63639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63640 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63641 if v.display: 
    63642 File
    63643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63644 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63645 return self._any_displayed_positions and len(self._positions) > 0 
    63646 TypeError: object of type 'NoneType' has no len() 
    63647  
    63648 During handling of the above exception, another exception occurred: 
    63649  
    63650 Traceback (most recent call last): 
    63651 File
    63652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63653 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63654 if not self.draw_new_frame(): 
    63655 File
    63656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63657 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63658 changed = view.check_for_drawing_change() 
    63659 File
    63660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63661 packages/chimerax/core/graphics/view.py", line 252, in
    63662 check_for_drawing_change 
    63663 trig.activate_trigger('graphics update', self) 
    63664 File
    63665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63666 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63667 trigger.activate(data) 
    63668 File
    63669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63670 packages/chimerax/core/triggerset.py", line 190, in activate 
    63671 ret = handler.invoke(data, self._remove_bad_handlers) 
    63672 File
    63673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63674 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63675 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63676 File
    63677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63678 packages/chimerax/core/session.py", line 943, in <lambda> 
    63679 logger.report_exception(preface=preface)) 
    63680 File
    63681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63682 packages/chimerax/core/logger.py", line 421, in report_exception 
    63683 elif probably_chimera1_session(exc_info): 
    63684 File
    63685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63686 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63687 etype, evalue, etraceback = exc_info 
    63688 TypeError: cannot unpack non-iterable NoneType object 
    63689  
    63690 TypeError: cannot unpack non-iterable NoneType object 
    63691  
    63692 File
    63693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63694 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63695 etype, evalue, etraceback = exc_info 
    63696  
    63697 See log for complete Python traceback. 
    63698  
    63699 Traceback (most recent call last): 
    63700 File
    63701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63702 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63703 return self._func(self._name, data) 
    63704 File
    63705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63706 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63707 if v.display: 
    63708 File
    63709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63710 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63711 return self._any_displayed_positions and len(self._positions) > 0 
    63712 TypeError: object of type 'NoneType' has no len() 
    63713  
    63714 During handling of the above exception, another exception occurred: 
    63715  
    63716 Traceback (most recent call last): 
    63717 File
    63718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63719 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63720 if not self.draw_new_frame(): 
    63721 File
    63722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63723 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63724 changed = view.check_for_drawing_change() 
    63725 File
    63726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63727 packages/chimerax/core/graphics/view.py", line 252, in
    63728 check_for_drawing_change 
    63729 trig.activate_trigger('graphics update', self) 
    63730 File
    63731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63732 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63733 trigger.activate(data) 
    63734 File
    63735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63736 packages/chimerax/core/triggerset.py", line 190, in activate 
    63737 ret = handler.invoke(data, self._remove_bad_handlers) 
    63738 File
    63739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63740 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63741 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63742 File
    63743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63744 packages/chimerax/core/session.py", line 943, in <lambda> 
    63745 logger.report_exception(preface=preface)) 
    63746 File
    63747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63748 packages/chimerax/core/logger.py", line 421, in report_exception 
    63749 elif probably_chimera1_session(exc_info): 
    63750 File
    63751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63752 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63753 etype, evalue, etraceback = exc_info 
    63754 TypeError: cannot unpack non-iterable NoneType object 
    63755  
    63756 TypeError: cannot unpack non-iterable NoneType object 
    63757  
    63758 File
    63759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63760 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63761 etype, evalue, etraceback = exc_info 
    63762  
    63763 See log for complete Python traceback. 
    63764  
    63765 Traceback (most recent call last): 
    63766 File
    63767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63769 return self._func(self._name, data) 
    63770 File
    63771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63772 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63773 if v.display: 
    63774 File
    63775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63776 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63777 return self._any_displayed_positions and len(self._positions) > 0 
    63778 TypeError: object of type 'NoneType' has no len() 
    63779  
    63780 During handling of the above exception, another exception occurred: 
    63781  
    63782 Traceback (most recent call last): 
    63783 File
    63784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63785 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63786 if not self.draw_new_frame(): 
    63787 File
    63788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63789 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63790 changed = view.check_for_drawing_change() 
    63791 File
    63792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63793 packages/chimerax/core/graphics/view.py", line 252, in
    63794 check_for_drawing_change 
    63795 trig.activate_trigger('graphics update', self) 
    63796 File
    63797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63798 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63799 trigger.activate(data) 
    63800 File
    63801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63802 packages/chimerax/core/triggerset.py", line 190, in activate 
    63803 ret = handler.invoke(data, self._remove_bad_handlers) 
    63804 File
    63805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63806 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63807 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63808 File
    63809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63810 packages/chimerax/core/session.py", line 943, in <lambda> 
    63811 logger.report_exception(preface=preface)) 
    63812 File
    63813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63814 packages/chimerax/core/logger.py", line 421, in report_exception 
    63815 elif probably_chimera1_session(exc_info): 
    63816 File
    63817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63818 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63819 etype, evalue, etraceback = exc_info 
    63820 TypeError: cannot unpack non-iterable NoneType object 
    63821  
    63822 TypeError: cannot unpack non-iterable NoneType object 
    63823  
    63824 File
    63825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63826 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63827 etype, evalue, etraceback = exc_info 
    63828  
    63829 See log for complete Python traceback. 
    63830  
    63831 Traceback (most recent call last): 
    63832 File
    63833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63834 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63835 return self._func(self._name, data) 
    63836 File
    63837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63838 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63839 if v.display: 
    63840 File
    63841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63842 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63843 return self._any_displayed_positions and len(self._positions) > 0 
    63844 TypeError: object of type 'NoneType' has no len() 
    63845  
    63846 During handling of the above exception, another exception occurred: 
    63847  
    63848 Traceback (most recent call last): 
    63849 File
    63850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63851 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63852 if not self.draw_new_frame(): 
    63853 File
    63854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63855 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63856 changed = view.check_for_drawing_change() 
    63857 File
    63858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63859 packages/chimerax/core/graphics/view.py", line 252, in
    63860 check_for_drawing_change 
    63861 trig.activate_trigger('graphics update', self) 
    63862 File
    63863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63864 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63865 trigger.activate(data) 
    63866 File
    63867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63868 packages/chimerax/core/triggerset.py", line 190, in activate 
    63869 ret = handler.invoke(data, self._remove_bad_handlers) 
    63870 File
    63871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63872 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63873 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63874 File
    63875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63876 packages/chimerax/core/session.py", line 943, in <lambda> 
    63877 logger.report_exception(preface=preface)) 
    63878 File
    63879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63880 packages/chimerax/core/logger.py", line 421, in report_exception 
    63881 elif probably_chimera1_session(exc_info): 
    63882 File
    63883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63884 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63885 etype, evalue, etraceback = exc_info 
    63886 TypeError: cannot unpack non-iterable NoneType object 
    63887  
    63888 TypeError: cannot unpack non-iterable NoneType object 
    63889  
    63890 File
    63891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63892 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63893 etype, evalue, etraceback = exc_info 
    63894  
    63895 See log for complete Python traceback. 
    63896  
    63897 Traceback (most recent call last): 
    63898 File
    63899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63900 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63901 return self._func(self._name, data) 
    63902 File
    63903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63904 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63905 if v.display: 
    63906 File
    63907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63908 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63909 return self._any_displayed_positions and len(self._positions) > 0 
    63910 TypeError: object of type 'NoneType' has no len() 
    63911  
    63912 During handling of the above exception, another exception occurred: 
    63913  
    63914 Traceback (most recent call last): 
    63915 File
    63916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63917 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63918 if not self.draw_new_frame(): 
    63919 File
    63920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63921 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63922 changed = view.check_for_drawing_change() 
    63923 File
    63924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63925 packages/chimerax/core/graphics/view.py", line 252, in
    63926 check_for_drawing_change 
    63927 trig.activate_trigger('graphics update', self) 
    63928 File
    63929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63930 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    63931 trigger.activate(data) 
    63932 File
    63933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63934 packages/chimerax/core/triggerset.py", line 190, in activate 
    63935 ret = handler.invoke(data, self._remove_bad_handlers) 
    63936 File
    63937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63938 packages/chimerax/core/triggerset.py", line 132, in invoke 
    63939 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    63940 File
    63941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63942 packages/chimerax/core/session.py", line 943, in <lambda> 
    63943 logger.report_exception(preface=preface)) 
    63944 File
    63945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63946 packages/chimerax/core/logger.py", line 421, in report_exception 
    63947 elif probably_chimera1_session(exc_info): 
    63948 File
    63949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63950 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63951 etype, evalue, etraceback = exc_info 
    63952 TypeError: cannot unpack non-iterable NoneType object 
    63953  
    63954 TypeError: cannot unpack non-iterable NoneType object 
    63955  
    63956 File
    63957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63958 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    63959 etype, evalue, etraceback = exc_info 
    63960  
    63961 See log for complete Python traceback. 
    63962  
    63963 
    63964 > ~select #1
    63965 
    63966 Nothing selected 
    63967 Traceback (most recent call last): 
    63968 File
    63969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63970 packages/chimerax/core/triggerset.py", line 130, in invoke 
    63971 return self._func(self._name, data) 
    63972 File
    63973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63974 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    63975 if v.display: 
    63976 File
    63977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63978 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    63979 return self._any_displayed_positions and len(self._positions) > 0 
    63980 TypeError: object of type 'NoneType' has no len() 
    63981  
    63982 During handling of the above exception, another exception occurred: 
    63983  
    63984 Traceback (most recent call last): 
    63985 File
    63986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63987 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    63988 if not self.draw_new_frame(): 
    63989 File
    63990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63991 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    63992 changed = view.check_for_drawing_change() 
    63993 File
    63994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    63995 packages/chimerax/core/graphics/view.py", line 252, in
    63996 check_for_drawing_change 
    63997 trig.activate_trigger('graphics update', self) 
    63998 File
    63999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64000 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64001 trigger.activate(data) 
    64002 File
    64003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64004 packages/chimerax/core/triggerset.py", line 190, in activate 
    64005 ret = handler.invoke(data, self._remove_bad_handlers) 
    64006 File
    64007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64008 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64009 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64010 File
    64011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64012 packages/chimerax/core/session.py", line 943, in <lambda> 
    64013 logger.report_exception(preface=preface)) 
    64014 File
    64015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64016 packages/chimerax/core/logger.py", line 421, in report_exception 
    64017 elif probably_chimera1_session(exc_info): 
    64018 File
    64019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64020 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64021 etype, evalue, etraceback = exc_info 
    64022 TypeError: cannot unpack non-iterable NoneType object 
    64023  
    64024 TypeError: cannot unpack non-iterable NoneType object 
    64025  
    64026 File
    64027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64028 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64029 etype, evalue, etraceback = exc_info 
    64030  
    64031 See log for complete Python traceback. 
    64032  
    64033 Traceback (most recent call last): 
    64034 File
    64035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64036 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64037 return self._func(self._name, data) 
    64038 File
    64039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64040 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64041 if v.display: 
    64042 File
    64043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64044 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64045 return self._any_displayed_positions and len(self._positions) > 0 
    64046 TypeError: object of type 'NoneType' has no len() 
    64047  
    64048 During handling of the above exception, another exception occurred: 
    64049  
    64050 Traceback (most recent call last): 
    64051 File
    64052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64053 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64054 if not self.draw_new_frame(): 
    64055 File
    64056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64057 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64058 changed = view.check_for_drawing_change() 
    64059 File
    64060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64061 packages/chimerax/core/graphics/view.py", line 252, in
    64062 check_for_drawing_change 
    64063 trig.activate_trigger('graphics update', self) 
    64064 File
    64065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64066 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64067 trigger.activate(data) 
    64068 File
    64069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64070 packages/chimerax/core/triggerset.py", line 190, in activate 
    64071 ret = handler.invoke(data, self._remove_bad_handlers) 
    64072 File
    64073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64074 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64075 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64076 File
    64077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64078 packages/chimerax/core/session.py", line 943, in <lambda> 
    64079 logger.report_exception(preface=preface)) 
    64080 File
    64081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64082 packages/chimerax/core/logger.py", line 421, in report_exception 
    64083 elif probably_chimera1_session(exc_info): 
    64084 File
    64085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64086 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64087 etype, evalue, etraceback = exc_info 
    64088 TypeError: cannot unpack non-iterable NoneType object 
    64089  
    64090 TypeError: cannot unpack non-iterable NoneType object 
    64091  
    64092 File
    64093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64094 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64095 etype, evalue, etraceback = exc_info 
    64096  
    64097 See log for complete Python traceback. 
    64098  
    64099 Traceback (most recent call last): 
    64100 File
    64101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64102 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64103 return self._func(self._name, data) 
    64104 File
    64105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64106 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64107 if v.display: 
    64108 File
    64109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64110 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64111 return self._any_displayed_positions and len(self._positions) > 0 
    64112 TypeError: object of type 'NoneType' has no len() 
    64113  
    64114 During handling of the above exception, another exception occurred: 
    64115  
    64116 Traceback (most recent call last): 
    64117 File
    64118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64119 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64120 if not self.draw_new_frame(): 
    64121 File
    64122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64123 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64124 changed = view.check_for_drawing_change() 
    64125 File
    64126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64127 packages/chimerax/core/graphics/view.py", line 252, in
    64128 check_for_drawing_change 
    64129 trig.activate_trigger('graphics update', self) 
    64130 File
    64131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64132 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64133 trigger.activate(data) 
    64134 File
    64135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64136 packages/chimerax/core/triggerset.py", line 190, in activate 
    64137 ret = handler.invoke(data, self._remove_bad_handlers) 
    64138 File
    64139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64140 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64141 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64142 File
    64143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64144 packages/chimerax/core/session.py", line 943, in <lambda> 
    64145 logger.report_exception(preface=preface)) 
    64146 File
    64147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64148 packages/chimerax/core/logger.py", line 421, in report_exception 
    64149 elif probably_chimera1_session(exc_info): 
    64150 File
    64151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64152 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64153 etype, evalue, etraceback = exc_info 
    64154 TypeError: cannot unpack non-iterable NoneType object 
    64155  
    64156 TypeError: cannot unpack non-iterable NoneType object 
    64157  
    64158 File
    64159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64160 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64161 etype, evalue, etraceback = exc_info 
    64162  
    64163 See log for complete Python traceback. 
    64164  
    64165 Traceback (most recent call last): 
    64166 File
    64167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64169 return self._func(self._name, data) 
    64170 File
    64171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64172 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64173 if v.display: 
    64174 File
    64175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64176 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64177 return self._any_displayed_positions and len(self._positions) > 0 
    64178 TypeError: object of type 'NoneType' has no len() 
    64179  
    64180 During handling of the above exception, another exception occurred: 
    64181  
    64182 Traceback (most recent call last): 
    64183 File
    64184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64185 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64186 if not self.draw_new_frame(): 
    64187 File
    64188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64189 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64190 changed = view.check_for_drawing_change() 
    64191 File
    64192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64193 packages/chimerax/core/graphics/view.py", line 252, in
    64194 check_for_drawing_change 
    64195 trig.activate_trigger('graphics update', self) 
    64196 File
    64197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64198 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64199 trigger.activate(data) 
    64200 File
    64201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64202 packages/chimerax/core/triggerset.py", line 190, in activate 
    64203 ret = handler.invoke(data, self._remove_bad_handlers) 
    64204 File
    64205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64206 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64207 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64208 File
    64209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64210 packages/chimerax/core/session.py", line 943, in <lambda> 
    64211 logger.report_exception(preface=preface)) 
    64212 File
    64213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64214 packages/chimerax/core/logger.py", line 421, in report_exception 
    64215 elif probably_chimera1_session(exc_info): 
    64216 File
    64217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64218 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64219 etype, evalue, etraceback = exc_info 
    64220 TypeError: cannot unpack non-iterable NoneType object 
    64221  
    64222 TypeError: cannot unpack non-iterable NoneType object 
    64223  
    64224 File
    64225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64226 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64227 etype, evalue, etraceback = exc_info 
    64228  
    64229 See log for complete Python traceback. 
    64230  
    64231 Traceback (most recent call last): 
    64232 File
    64233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64234 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64235 return self._func(self._name, data) 
    64236 File
    64237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64238 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64239 if v.display: 
    64240 File
    64241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64242 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64243 return self._any_displayed_positions and len(self._positions) > 0 
    64244 TypeError: object of type 'NoneType' has no len() 
    64245  
    64246 During handling of the above exception, another exception occurred: 
    64247  
    64248 Traceback (most recent call last): 
    64249 File
    64250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64251 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64252 if not self.draw_new_frame(): 
    64253 File
    64254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64255 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64256 changed = view.check_for_drawing_change() 
    64257 File
    64258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64259 packages/chimerax/core/graphics/view.py", line 252, in
    64260 check_for_drawing_change 
    64261 trig.activate_trigger('graphics update', self) 
    64262 File
    64263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64264 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64265 trigger.activate(data) 
    64266 File
    64267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64268 packages/chimerax/core/triggerset.py", line 190, in activate 
    64269 ret = handler.invoke(data, self._remove_bad_handlers) 
    64270 File
    64271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64272 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64273 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64274 File
    64275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64276 packages/chimerax/core/session.py", line 943, in <lambda> 
    64277 logger.report_exception(preface=preface)) 
    64278 File
    64279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64280 packages/chimerax/core/logger.py", line 421, in report_exception 
    64281 elif probably_chimera1_session(exc_info): 
    64282 File
    64283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64284 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64285 etype, evalue, etraceback = exc_info 
    64286 TypeError: cannot unpack non-iterable NoneType object 
    64287  
    64288 TypeError: cannot unpack non-iterable NoneType object 
    64289  
    64290 File
    64291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64292 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64293 etype, evalue, etraceback = exc_info 
    64294  
    64295 See log for complete Python traceback. 
    64296  
    64297 Traceback (most recent call last): 
    64298 File
    64299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64300 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64301 return self._func(self._name, data) 
    64302 File
    64303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64304 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64305 if v.display: 
    64306 File
    64307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64308 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64309 return self._any_displayed_positions and len(self._positions) > 0 
    64310 TypeError: object of type 'NoneType' has no len() 
    64311  
    64312 During handling of the above exception, another exception occurred: 
    64313  
    64314 Traceback (most recent call last): 
    64315 File
    64316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64317 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64318 if not self.draw_new_frame(): 
    64319 File
    64320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64321 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64322 changed = view.check_for_drawing_change() 
    64323 File
    64324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64325 packages/chimerax/core/graphics/view.py", line 252, in
    64326 check_for_drawing_change 
    64327 trig.activate_trigger('graphics update', self) 
    64328 File
    64329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64330 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64331 trigger.activate(data) 
    64332 File
    64333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64334 packages/chimerax/core/triggerset.py", line 190, in activate 
    64335 ret = handler.invoke(data, self._remove_bad_handlers) 
    64336 File
    64337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64338 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64339 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64340 File
    64341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64342 packages/chimerax/core/session.py", line 943, in <lambda> 
    64343 logger.report_exception(preface=preface)) 
    64344 File
    64345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64346 packages/chimerax/core/logger.py", line 421, in report_exception 
    64347 elif probably_chimera1_session(exc_info): 
    64348 File
    64349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64350 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64351 etype, evalue, etraceback = exc_info 
    64352 TypeError: cannot unpack non-iterable NoneType object 
    64353  
    64354 TypeError: cannot unpack non-iterable NoneType object 
    64355  
    64356 File
    64357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64358 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64359 etype, evalue, etraceback = exc_info 
    64360  
    64361 See log for complete Python traceback. 
    64362  
    64363 Traceback (most recent call last): 
    64364 File
    64365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64366 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64367 return self._func(self._name, data) 
    64368 File
    64369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64370 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64371 if v.display: 
    64372 File
    64373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64374 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64375 return self._any_displayed_positions and len(self._positions) > 0 
    64376 TypeError: object of type 'NoneType' has no len() 
    64377  
    64378 During handling of the above exception, another exception occurred: 
    64379  
    64380 Traceback (most recent call last): 
    64381 File
    64382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64383 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64384 if not self.draw_new_frame(): 
    64385 File
    64386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64387 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64388 changed = view.check_for_drawing_change() 
    64389 File
    64390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64391 packages/chimerax/core/graphics/view.py", line 252, in
    64392 check_for_drawing_change 
    64393 trig.activate_trigger('graphics update', self) 
    64394 File
    64395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64396 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64397 trigger.activate(data) 
    64398 File
    64399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64400 packages/chimerax/core/triggerset.py", line 190, in activate 
    64401 ret = handler.invoke(data, self._remove_bad_handlers) 
    64402 File
    64403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64404 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64405 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64406 File
    64407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64408 packages/chimerax/core/session.py", line 943, in <lambda> 
    64409 logger.report_exception(preface=preface)) 
    64410 File
    64411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64412 packages/chimerax/core/logger.py", line 421, in report_exception 
    64413 elif probably_chimera1_session(exc_info): 
    64414 File
    64415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64416 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64417 etype, evalue, etraceback = exc_info 
    64418 TypeError: cannot unpack non-iterable NoneType object 
    64419  
    64420 TypeError: cannot unpack non-iterable NoneType object 
    64421  
    64422 File
    64423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64424 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64425 etype, evalue, etraceback = exc_info 
    64426  
    64427 See log for complete Python traceback. 
    64428  
    64429 Traceback (most recent call last): 
    64430 File
    64431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64432 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64433 return self._func(self._name, data) 
    64434 File
    64435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64436 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64437 if v.display: 
    64438 File
    64439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64440 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64441 return self._any_displayed_positions and len(self._positions) > 0 
    64442 TypeError: object of type 'NoneType' has no len() 
    64443  
    64444 During handling of the above exception, another exception occurred: 
    64445  
    64446 Traceback (most recent call last): 
    64447 File
    64448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64449 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64450 if not self.draw_new_frame(): 
    64451 File
    64452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64453 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64454 changed = view.check_for_drawing_change() 
    64455 File
    64456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64457 packages/chimerax/core/graphics/view.py", line 252, in
    64458 check_for_drawing_change 
    64459 trig.activate_trigger('graphics update', self) 
    64460 File
    64461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64462 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64463 trigger.activate(data) 
    64464 File
    64465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64466 packages/chimerax/core/triggerset.py", line 190, in activate 
    64467 ret = handler.invoke(data, self._remove_bad_handlers) 
    64468 File
    64469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64470 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64471 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64472 File
    64473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64474 packages/chimerax/core/session.py", line 943, in <lambda> 
    64475 logger.report_exception(preface=preface)) 
    64476 File
    64477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64478 packages/chimerax/core/logger.py", line 421, in report_exception 
    64479 elif probably_chimera1_session(exc_info): 
    64480 File
    64481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64482 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64483 etype, evalue, etraceback = exc_info 
    64484 TypeError: cannot unpack non-iterable NoneType object 
    64485  
    64486 TypeError: cannot unpack non-iterable NoneType object 
    64487  
    64488 File
    64489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64490 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64491 etype, evalue, etraceback = exc_info 
    64492  
    64493 See log for complete Python traceback. 
    64494  
    64495 Traceback (most recent call last): 
    64496 File
    64497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64498 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64499 return self._func(self._name, data) 
    64500 File
    64501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64502 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64503 if v.display: 
    64504 File
    64505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64506 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64507 return self._any_displayed_positions and len(self._positions) > 0 
    64508 TypeError: object of type 'NoneType' has no len() 
    64509  
    64510 During handling of the above exception, another exception occurred: 
    64511  
    64512 Traceback (most recent call last): 
    64513 File
    64514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64515 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64516 if not self.draw_new_frame(): 
    64517 File
    64518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64519 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64520 changed = view.check_for_drawing_change() 
    64521 File
    64522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64523 packages/chimerax/core/graphics/view.py", line 252, in
    64524 check_for_drawing_change 
    64525 trig.activate_trigger('graphics update', self) 
    64526 File
    64527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64528 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64529 trigger.activate(data) 
    64530 File
    64531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64532 packages/chimerax/core/triggerset.py", line 190, in activate 
    64533 ret = handler.invoke(data, self._remove_bad_handlers) 
    64534 File
    64535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64536 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64537 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64538 File
    64539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64540 packages/chimerax/core/session.py", line 943, in <lambda> 
    64541 logger.report_exception(preface=preface)) 
    64542 File
    64543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64544 packages/chimerax/core/logger.py", line 421, in report_exception 
    64545 elif probably_chimera1_session(exc_info): 
    64546 File
    64547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64548 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64549 etype, evalue, etraceback = exc_info 
    64550 TypeError: cannot unpack non-iterable NoneType object 
    64551  
    64552 TypeError: cannot unpack non-iterable NoneType object 
    64553  
    64554 File
    64555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64556 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64557 etype, evalue, etraceback = exc_info 
    64558  
    64559 See log for complete Python traceback. 
    64560  
    64561 Traceback (most recent call last): 
    64562 File
    64563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64564 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64565 return self._func(self._name, data) 
    64566 File
    64567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64568 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64569 if v.display: 
    64570 File
    64571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64572 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64573 return self._any_displayed_positions and len(self._positions) > 0 
    64574 TypeError: object of type 'NoneType' has no len() 
    64575  
    64576 During handling of the above exception, another exception occurred: 
    64577  
    64578 Traceback (most recent call last): 
    64579 File
    64580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64581 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64582 if not self.draw_new_frame(): 
    64583 File
    64584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64585 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64586 changed = view.check_for_drawing_change() 
    64587 File
    64588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64589 packages/chimerax/core/graphics/view.py", line 252, in
    64590 check_for_drawing_change 
    64591 trig.activate_trigger('graphics update', self) 
    64592 File
    64593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64594 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64595 trigger.activate(data) 
    64596 File
    64597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64598 packages/chimerax/core/triggerset.py", line 190, in activate 
    64599 ret = handler.invoke(data, self._remove_bad_handlers) 
    64600 File
    64601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64602 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64603 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64604 File
    64605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64606 packages/chimerax/core/session.py", line 943, in <lambda> 
    64607 logger.report_exception(preface=preface)) 
    64608 File
    64609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64610 packages/chimerax/core/logger.py", line 421, in report_exception 
    64611 elif probably_chimera1_session(exc_info): 
    64612 File
    64613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64614 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64615 etype, evalue, etraceback = exc_info 
    64616 TypeError: cannot unpack non-iterable NoneType object 
    64617  
    64618 TypeError: cannot unpack non-iterable NoneType object 
    64619  
    64620 File
    64621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64622 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64623 etype, evalue, etraceback = exc_info 
    64624  
    64625 See log for complete Python traceback. 
    64626  
    64627 Traceback (most recent call last): 
    64628 File
    64629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64630 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64631 return self._func(self._name, data) 
    64632 File
    64633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64634 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64635 if v.display: 
    64636 File
    64637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64638 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64639 return self._any_displayed_positions and len(self._positions) > 0 
    64640 TypeError: object of type 'NoneType' has no len() 
    64641  
    64642 During handling of the above exception, another exception occurred: 
    64643  
    64644 Traceback (most recent call last): 
    64645 File
    64646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64647 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64648 if not self.draw_new_frame(): 
    64649 File
    64650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64651 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64652 changed = view.check_for_drawing_change() 
    64653 File
    64654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64655 packages/chimerax/core/graphics/view.py", line 252, in
    64656 check_for_drawing_change 
    64657 trig.activate_trigger('graphics update', self) 
    64658 File
    64659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64660 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64661 trigger.activate(data) 
    64662 File
    64663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64664 packages/chimerax/core/triggerset.py", line 190, in activate 
    64665 ret = handler.invoke(data, self._remove_bad_handlers) 
    64666 File
    64667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64668 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64669 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64670 File
    64671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64672 packages/chimerax/core/session.py", line 943, in <lambda> 
    64673 logger.report_exception(preface=preface)) 
    64674 File
    64675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64676 packages/chimerax/core/logger.py", line 421, in report_exception 
    64677 elif probably_chimera1_session(exc_info): 
    64678 File
    64679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64680 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64681 etype, evalue, etraceback = exc_info 
    64682 TypeError: cannot unpack non-iterable NoneType object 
    64683  
    64684 TypeError: cannot unpack non-iterable NoneType object 
    64685  
    64686 File
    64687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64688 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64689 etype, evalue, etraceback = exc_info 
    64690  
    64691 See log for complete Python traceback. 
    64692  
    64693 Traceback (most recent call last): 
    64694 File
    64695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64696 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64697 return self._func(self._name, data) 
    64698 File
    64699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64700 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64701 if v.display: 
    64702 File
    64703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64704 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64705 return self._any_displayed_positions and len(self._positions) > 0 
    64706 TypeError: object of type 'NoneType' has no len() 
    64707  
    64708 During handling of the above exception, another exception occurred: 
    64709  
    64710 Traceback (most recent call last): 
    64711 File
    64712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64713 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64714 if not self.draw_new_frame(): 
    64715 File
    64716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64717 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64718 changed = view.check_for_drawing_change() 
    64719 File
    64720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64721 packages/chimerax/core/graphics/view.py", line 252, in
    64722 check_for_drawing_change 
    64723 trig.activate_trigger('graphics update', self) 
    64724 File
    64725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64726 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64727 trigger.activate(data) 
    64728 File
    64729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64730 packages/chimerax/core/triggerset.py", line 190, in activate 
    64731 ret = handler.invoke(data, self._remove_bad_handlers) 
    64732 File
    64733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64734 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64735 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64736 File
    64737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64738 packages/chimerax/core/session.py", line 943, in <lambda> 
    64739 logger.report_exception(preface=preface)) 
    64740 File
    64741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64742 packages/chimerax/core/logger.py", line 421, in report_exception 
    64743 elif probably_chimera1_session(exc_info): 
    64744 File
    64745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64746 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64747 etype, evalue, etraceback = exc_info 
    64748 TypeError: cannot unpack non-iterable NoneType object 
    64749  
    64750 TypeError: cannot unpack non-iterable NoneType object 
    64751  
    64752 File
    64753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64754 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64755 etype, evalue, etraceback = exc_info 
    64756  
    64757 See log for complete Python traceback. 
    64758  
    64759 Traceback (most recent call last): 
    64760 File
    64761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64762 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64763 return self._func(self._name, data) 
    64764 File
    64765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64766 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64767 if v.display: 
    64768 File
    64769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64770 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64771 return self._any_displayed_positions and len(self._positions) > 0 
    64772 TypeError: object of type 'NoneType' has no len() 
    64773  
    64774 During handling of the above exception, another exception occurred: 
    64775  
    64776 Traceback (most recent call last): 
    64777 File
    64778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64779 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64780 if not self.draw_new_frame(): 
    64781 File
    64782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64783 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64784 changed = view.check_for_drawing_change() 
    64785 File
    64786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64787 packages/chimerax/core/graphics/view.py", line 252, in
    64788 check_for_drawing_change 
    64789 trig.activate_trigger('graphics update', self) 
    64790 File
    64791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64792 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64793 trigger.activate(data) 
    64794 File
    64795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64796 packages/chimerax/core/triggerset.py", line 190, in activate 
    64797 ret = handler.invoke(data, self._remove_bad_handlers) 
    64798 File
    64799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64800 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64801 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64802 File
    64803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64804 packages/chimerax/core/session.py", line 943, in <lambda> 
    64805 logger.report_exception(preface=preface)) 
    64806 File
    64807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64808 packages/chimerax/core/logger.py", line 421, in report_exception 
    64809 elif probably_chimera1_session(exc_info): 
    64810 File
    64811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64812 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64813 etype, evalue, etraceback = exc_info 
    64814 TypeError: cannot unpack non-iterable NoneType object 
    64815  
    64816 TypeError: cannot unpack non-iterable NoneType object 
    64817  
    64818 File
    64819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64820 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64821 etype, evalue, etraceback = exc_info 
    64822  
    64823 See log for complete Python traceback. 
    64824  
    64825 Traceback (most recent call last): 
    64826 File
    64827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64828 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64829 return self._func(self._name, data) 
    64830 File
    64831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64832 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64833 if v.display: 
    64834 File
    64835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64836 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64837 return self._any_displayed_positions and len(self._positions) > 0 
    64838 TypeError: object of type 'NoneType' has no len() 
    64839  
    64840 During handling of the above exception, another exception occurred: 
    64841  
    64842 Traceback (most recent call last): 
    64843 File
    64844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64845 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64846 if not self.draw_new_frame(): 
    64847 File
    64848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64849 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64850 changed = view.check_for_drawing_change() 
    64851 File
    64852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64853 packages/chimerax/core/graphics/view.py", line 252, in
    64854 check_for_drawing_change 
    64855 trig.activate_trigger('graphics update', self) 
    64856 File
    64857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64858 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64859 trigger.activate(data) 
    64860 File
    64861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64862 packages/chimerax/core/triggerset.py", line 190, in activate 
    64863 ret = handler.invoke(data, self._remove_bad_handlers) 
    64864 File
    64865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64866 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64867 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64868 File
    64869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64870 packages/chimerax/core/session.py", line 943, in <lambda> 
    64871 logger.report_exception(preface=preface)) 
    64872 File
    64873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64874 packages/chimerax/core/logger.py", line 421, in report_exception 
    64875 elif probably_chimera1_session(exc_info): 
    64876 File
    64877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64878 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64879 etype, evalue, etraceback = exc_info 
    64880 TypeError: cannot unpack non-iterable NoneType object 
    64881  
    64882 TypeError: cannot unpack non-iterable NoneType object 
    64883  
    64884 File
    64885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64886 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64887 etype, evalue, etraceback = exc_info 
    64888  
    64889 See log for complete Python traceback. 
    64890  
    64891 Traceback (most recent call last): 
    64892 File
    64893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64894 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64895 return self._func(self._name, data) 
    64896 File
    64897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64898 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64899 if v.display: 
    64900 File
    64901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64902 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64903 return self._any_displayed_positions and len(self._positions) > 0 
    64904 TypeError: object of type 'NoneType' has no len() 
    64905  
    64906 During handling of the above exception, another exception occurred: 
    64907  
    64908 Traceback (most recent call last): 
    64909 File
    64910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64911 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64912 if not self.draw_new_frame(): 
    64913 File
    64914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64915 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64916 changed = view.check_for_drawing_change() 
    64917 File
    64918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64919 packages/chimerax/core/graphics/view.py", line 252, in
    64920 check_for_drawing_change 
    64921 trig.activate_trigger('graphics update', self) 
    64922 File
    64923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64924 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64925 trigger.activate(data) 
    64926 File
    64927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64928 packages/chimerax/core/triggerset.py", line 190, in activate 
    64929 ret = handler.invoke(data, self._remove_bad_handlers) 
    64930 File
    64931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64932 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64933 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    64934 File
    64935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64936 packages/chimerax/core/session.py", line 943, in <lambda> 
    64937 logger.report_exception(preface=preface)) 
    64938 File
    64939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64940 packages/chimerax/core/logger.py", line 421, in report_exception 
    64941 elif probably_chimera1_session(exc_info): 
    64942 File
    64943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64944 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64945 etype, evalue, etraceback = exc_info 
    64946 TypeError: cannot unpack non-iterable NoneType object 
    64947  
    64948 TypeError: cannot unpack non-iterable NoneType object 
    64949  
    64950 File
    64951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64952 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    64953 etype, evalue, etraceback = exc_info 
    64954  
    64955 See log for complete Python traceback. 
    64956  
    64957 Traceback (most recent call last): 
    64958 File
    64959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64960 packages/chimerax/core/triggerset.py", line 130, in invoke 
    64961 return self._func(self._name, data) 
    64962 File
    64963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64964 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    64965 if v.display: 
    64966 File
    64967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64968 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    64969 return self._any_displayed_positions and len(self._positions) > 0 
    64970 TypeError: object of type 'NoneType' has no len() 
    64971  
    64972 During handling of the above exception, another exception occurred: 
    64973  
    64974 Traceback (most recent call last): 
    64975 File
    64976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64977 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    64978 if not self.draw_new_frame(): 
    64979 File
    64980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64981 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    64982 changed = view.check_for_drawing_change() 
    64983 File
    64984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64985 packages/chimerax/core/graphics/view.py", line 252, in
    64986 check_for_drawing_change 
    64987 trig.activate_trigger('graphics update', self) 
    64988 File
    64989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64990 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    64991 trigger.activate(data) 
    64992 File
    64993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64994 packages/chimerax/core/triggerset.py", line 190, in activate 
    64995 ret = handler.invoke(data, self._remove_bad_handlers) 
    64996 File
    64997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    64998 packages/chimerax/core/triggerset.py", line 132, in invoke 
    64999 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65000 File
    65001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65002 packages/chimerax/core/session.py", line 943, in <lambda> 
    65003 logger.report_exception(preface=preface)) 
    65004 File
    65005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65006 packages/chimerax/core/logger.py", line 421, in report_exception 
    65007 elif probably_chimera1_session(exc_info): 
    65008 File
    65009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65010 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65011 etype, evalue, etraceback = exc_info 
    65012 TypeError: cannot unpack non-iterable NoneType object 
    65013  
    65014 TypeError: cannot unpack non-iterable NoneType object 
    65015  
    65016 File
    65017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65018 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65019 etype, evalue, etraceback = exc_info 
    65020  
    65021 See log for complete Python traceback. 
    65022  
    65023 Traceback (most recent call last): 
    65024 File
    65025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65026 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65027 return self._func(self._name, data) 
    65028 File
    65029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65030 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65031 if v.display: 
    65032 File
    65033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65034 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65035 return self._any_displayed_positions and len(self._positions) > 0 
    65036 TypeError: object of type 'NoneType' has no len() 
    65037  
    65038 During handling of the above exception, another exception occurred: 
    65039  
    65040 Traceback (most recent call last): 
    65041 File
    65042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65043 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65044 if not self.draw_new_frame(): 
    65045 File
    65046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65047 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65048 changed = view.check_for_drawing_change() 
    65049 File
    65050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65051 packages/chimerax/core/graphics/view.py", line 252, in
    65052 check_for_drawing_change 
    65053 trig.activate_trigger('graphics update', self) 
    65054 File
    65055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65056 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65057 trigger.activate(data) 
    65058 File
    65059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65060 packages/chimerax/core/triggerset.py", line 190, in activate 
    65061 ret = handler.invoke(data, self._remove_bad_handlers) 
    65062 File
    65063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65064 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65065 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65066 File
    65067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65068 packages/chimerax/core/session.py", line 943, in <lambda> 
    65069 logger.report_exception(preface=preface)) 
    65070 File
    65071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65072 packages/chimerax/core/logger.py", line 421, in report_exception 
    65073 elif probably_chimera1_session(exc_info): 
    65074 File
    65075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65076 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65077 etype, evalue, etraceback = exc_info 
    65078 TypeError: cannot unpack non-iterable NoneType object 
    65079  
    65080 TypeError: cannot unpack non-iterable NoneType object 
    65081  
    65082 File
    65083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65084 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65085 etype, evalue, etraceback = exc_info 
    65086  
    65087 See log for complete Python traceback. 
    65088  
    65089 Traceback (most recent call last): 
    65090 File
    65091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65092 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65093 return self._func(self._name, data) 
    65094 File
    65095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65096 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65097 if v.display: 
    65098 File
    65099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65100 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65101 return self._any_displayed_positions and len(self._positions) > 0 
    65102 TypeError: object of type 'NoneType' has no len() 
    65103  
    65104 During handling of the above exception, another exception occurred: 
    65105  
    65106 Traceback (most recent call last): 
    65107 File
    65108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65109 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65110 if not self.draw_new_frame(): 
    65111 File
    65112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65113 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65114 changed = view.check_for_drawing_change() 
    65115 File
    65116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65117 packages/chimerax/core/graphics/view.py", line 252, in
    65118 check_for_drawing_change 
    65119 trig.activate_trigger('graphics update', self) 
    65120 File
    65121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65122 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65123 trigger.activate(data) 
    65124 File
    65125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65126 packages/chimerax/core/triggerset.py", line 190, in activate 
    65127 ret = handler.invoke(data, self._remove_bad_handlers) 
    65128 File
    65129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65130 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65131 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65132 File
    65133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65134 packages/chimerax/core/session.py", line 943, in <lambda> 
    65135 logger.report_exception(preface=preface)) 
    65136 File
    65137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65138 packages/chimerax/core/logger.py", line 421, in report_exception 
    65139 elif probably_chimera1_session(exc_info): 
    65140 File
    65141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65142 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65143 etype, evalue, etraceback = exc_info 
    65144 TypeError: cannot unpack non-iterable NoneType object 
    65145  
    65146 TypeError: cannot unpack non-iterable NoneType object 
    65147  
    65148 File
    65149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65150 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65151 etype, evalue, etraceback = exc_info 
    65152  
    65153 See log for complete Python traceback. 
    65154  
    65155 Traceback (most recent call last): 
    65156 File
    65157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65158 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65159 return self._func(self._name, data) 
    65160 File
    65161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65162 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65163 if v.display: 
    65164 File
    65165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65166 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65167 return self._any_displayed_positions and len(self._positions) > 0 
    65168 TypeError: object of type 'NoneType' has no len() 
    65169  
    65170 During handling of the above exception, another exception occurred: 
    65171  
    65172 Traceback (most recent call last): 
    65173 File
    65174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65175 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65176 if not self.draw_new_frame(): 
    65177 File
    65178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65179 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65180 changed = view.check_for_drawing_change() 
    65181 File
    65182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65183 packages/chimerax/core/graphics/view.py", line 252, in
    65184 check_for_drawing_change 
    65185 trig.activate_trigger('graphics update', self) 
    65186 File
    65187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65188 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65189 trigger.activate(data) 
    65190 File
    65191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65192 packages/chimerax/core/triggerset.py", line 190, in activate 
    65193 ret = handler.invoke(data, self._remove_bad_handlers) 
    65194 File
    65195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65196 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65197 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65198 File
    65199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65200 packages/chimerax/core/session.py", line 943, in <lambda> 
    65201 logger.report_exception(preface=preface)) 
    65202 File
    65203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65204 packages/chimerax/core/logger.py", line 421, in report_exception 
    65205 elif probably_chimera1_session(exc_info): 
    65206 File
    65207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65208 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65209 etype, evalue, etraceback = exc_info 
    65210 TypeError: cannot unpack non-iterable NoneType object 
    65211  
    65212 TypeError: cannot unpack non-iterable NoneType object 
    65213  
    65214 File
    65215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65216 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65217 etype, evalue, etraceback = exc_info 
    65218  
    65219 See log for complete Python traceback. 
    65220  
    65221 Traceback (most recent call last): 
    65222 File
    65223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65224 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65225 return self._func(self._name, data) 
    65226 File
    65227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65228 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65229 if v.display: 
    65230 File
    65231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65232 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65233 return self._any_displayed_positions and len(self._positions) > 0 
    65234 TypeError: object of type 'NoneType' has no len() 
    65235  
    65236 During handling of the above exception, another exception occurred: 
    65237  
    65238 Traceback (most recent call last): 
    65239 File
    65240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65241 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65242 if not self.draw_new_frame(): 
    65243 File
    65244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65245 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65246 changed = view.check_for_drawing_change() 
    65247 File
    65248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65249 packages/chimerax/core/graphics/view.py", line 252, in
    65250 check_for_drawing_change 
    65251 trig.activate_trigger('graphics update', self) 
    65252 File
    65253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65254 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65255 trigger.activate(data) 
    65256 File
    65257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65258 packages/chimerax/core/triggerset.py", line 190, in activate 
    65259 ret = handler.invoke(data, self._remove_bad_handlers) 
    65260 File
    65261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65262 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65263 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65264 File
    65265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65266 packages/chimerax/core/session.py", line 943, in <lambda> 
    65267 logger.report_exception(preface=preface)) 
    65268 File
    65269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65270 packages/chimerax/core/logger.py", line 421, in report_exception 
    65271 elif probably_chimera1_session(exc_info): 
    65272 File
    65273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65274 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65275 etype, evalue, etraceback = exc_info 
    65276 TypeError: cannot unpack non-iterable NoneType object 
    65277  
    65278 TypeError: cannot unpack non-iterable NoneType object 
    65279  
    65280 File
    65281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65282 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65283 etype, evalue, etraceback = exc_info 
    65284  
    65285 See log for complete Python traceback. 
    65286  
    65287 Traceback (most recent call last): 
    65288 File
    65289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65290 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65291 return self._func(self._name, data) 
    65292 File
    65293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65294 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65295 if v.display: 
    65296 File
    65297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65298 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65299 return self._any_displayed_positions and len(self._positions) > 0 
    65300 TypeError: object of type 'NoneType' has no len() 
    65301  
    65302 During handling of the above exception, another exception occurred: 
    65303  
    65304 Traceback (most recent call last): 
    65305 File
    65306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65307 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65308 if not self.draw_new_frame(): 
    65309 File
    65310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65311 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65312 changed = view.check_for_drawing_change() 
    65313 File
    65314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65315 packages/chimerax/core/graphics/view.py", line 252, in
    65316 check_for_drawing_change 
    65317 trig.activate_trigger('graphics update', self) 
    65318 File
    65319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65320 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65321 trigger.activate(data) 
    65322 File
    65323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65324 packages/chimerax/core/triggerset.py", line 190, in activate 
    65325 ret = handler.invoke(data, self._remove_bad_handlers) 
    65326 File
    65327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65328 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65329 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65330 File
    65331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65332 packages/chimerax/core/session.py", line 943, in <lambda> 
    65333 logger.report_exception(preface=preface)) 
    65334 File
    65335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65336 packages/chimerax/core/logger.py", line 421, in report_exception 
    65337 elif probably_chimera1_session(exc_info): 
    65338 File
    65339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65340 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65341 etype, evalue, etraceback = exc_info 
    65342 TypeError: cannot unpack non-iterable NoneType object 
    65343  
    65344 TypeError: cannot unpack non-iterable NoneType object 
    65345  
    65346 File
    65347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65348 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65349 etype, evalue, etraceback = exc_info 
    65350  
    65351 See log for complete Python traceback. 
    65352  
    65353 Traceback (most recent call last): 
    65354 File
    65355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65356 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65357 return self._func(self._name, data) 
    65358 File
    65359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65360 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65361 if v.display: 
    65362 File
    65363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65364 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65365 return self._any_displayed_positions and len(self._positions) > 0 
    65366 TypeError: object of type 'NoneType' has no len() 
    65367  
    65368 During handling of the above exception, another exception occurred: 
    65369  
    65370 Traceback (most recent call last): 
    65371 File
    65372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65373 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65374 if not self.draw_new_frame(): 
    65375 File
    65376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65377 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65378 changed = view.check_for_drawing_change() 
    65379 File
    65380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65381 packages/chimerax/core/graphics/view.py", line 252, in
    65382 check_for_drawing_change 
    65383 trig.activate_trigger('graphics update', self) 
    65384 File
    65385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65386 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65387 trigger.activate(data) 
    65388 File
    65389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65390 packages/chimerax/core/triggerset.py", line 190, in activate 
    65391 ret = handler.invoke(data, self._remove_bad_handlers) 
    65392 File
    65393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65394 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65395 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65396 File
    65397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65398 packages/chimerax/core/session.py", line 943, in <lambda> 
    65399 logger.report_exception(preface=preface)) 
    65400 File
    65401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65402 packages/chimerax/core/logger.py", line 421, in report_exception 
    65403 elif probably_chimera1_session(exc_info): 
    65404 File
    65405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65406 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65407 etype, evalue, etraceback = exc_info 
    65408 TypeError: cannot unpack non-iterable NoneType object 
    65409  
    65410 TypeError: cannot unpack non-iterable NoneType object 
    65411  
    65412 File
    65413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65414 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65415 etype, evalue, etraceback = exc_info 
    65416  
    65417 See log for complete Python traceback. 
    65418  
    65419 Traceback (most recent call last): 
    65420 File
    65421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65422 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65423 return self._func(self._name, data) 
    65424 File
    65425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65426 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65427 if v.display: 
    65428 File
    65429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65430 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65431 return self._any_displayed_positions and len(self._positions) > 0 
    65432 TypeError: object of type 'NoneType' has no len() 
    65433  
    65434 During handling of the above exception, another exception occurred: 
    65435  
    65436 Traceback (most recent call last): 
    65437 File
    65438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65439 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65440 if not self.draw_new_frame(): 
    65441 File
    65442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65443 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65444 changed = view.check_for_drawing_change() 
    65445 File
    65446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65447 packages/chimerax/core/graphics/view.py", line 252, in
    65448 check_for_drawing_change 
    65449 trig.activate_trigger('graphics update', self) 
    65450 File
    65451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65452 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65453 trigger.activate(data) 
    65454 File
    65455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65456 packages/chimerax/core/triggerset.py", line 190, in activate 
    65457 ret = handler.invoke(data, self._remove_bad_handlers) 
    65458 File
    65459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65460 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65461 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65462 File
    65463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65464 packages/chimerax/core/session.py", line 943, in <lambda> 
    65465 logger.report_exception(preface=preface)) 
    65466 File
    65467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65468 packages/chimerax/core/logger.py", line 421, in report_exception 
    65469 elif probably_chimera1_session(exc_info): 
    65470 File
    65471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65472 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65473 etype, evalue, etraceback = exc_info 
    65474 TypeError: cannot unpack non-iterable NoneType object 
    65475  
    65476 TypeError: cannot unpack non-iterable NoneType object 
    65477  
    65478 File
    65479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65480 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65481 etype, evalue, etraceback = exc_info 
    65482  
    65483 See log for complete Python traceback. 
    65484  
    65485 Traceback (most recent call last): 
    65486 File
    65487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65488 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65489 return self._func(self._name, data) 
    65490 File
    65491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65492 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65493 if v.display: 
    65494 File
    65495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65496 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65497 return self._any_displayed_positions and len(self._positions) > 0 
    65498 TypeError: object of type 'NoneType' has no len() 
    65499  
    65500 During handling of the above exception, another exception occurred: 
    65501  
    65502 Traceback (most recent call last): 
    65503 File
    65504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65505 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65506 if not self.draw_new_frame(): 
    65507 File
    65508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65509 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65510 changed = view.check_for_drawing_change() 
    65511 File
    65512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65513 packages/chimerax/core/graphics/view.py", line 252, in
    65514 check_for_drawing_change 
    65515 trig.activate_trigger('graphics update', self) 
    65516 File
    65517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65518 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65519 trigger.activate(data) 
    65520 File
    65521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65522 packages/chimerax/core/triggerset.py", line 190, in activate 
    65523 ret = handler.invoke(data, self._remove_bad_handlers) 
    65524 File
    65525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65526 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65527 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65528 File
    65529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65530 packages/chimerax/core/session.py", line 943, in <lambda> 
    65531 logger.report_exception(preface=preface)) 
    65532 File
    65533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65534 packages/chimerax/core/logger.py", line 421, in report_exception 
    65535 elif probably_chimera1_session(exc_info): 
    65536 File
    65537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65538 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65539 etype, evalue, etraceback = exc_info 
    65540 TypeError: cannot unpack non-iterable NoneType object 
    65541  
    65542 TypeError: cannot unpack non-iterable NoneType object 
    65543  
    65544 File
    65545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65546 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65547 etype, evalue, etraceback = exc_info 
    65548  
    65549 See log for complete Python traceback. 
    65550  
    65551 Traceback (most recent call last): 
    65552 File
    65553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65554 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65555 return self._func(self._name, data) 
    65556 File
    65557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65558 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65559 if v.display: 
    65560 File
    65561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65562 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65563 return self._any_displayed_positions and len(self._positions) > 0 
    65564 TypeError: object of type 'NoneType' has no len() 
    65565  
    65566 During handling of the above exception, another exception occurred: 
    65567  
    65568 Traceback (most recent call last): 
    65569 File
    65570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65571 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65572 if not self.draw_new_frame(): 
    65573 File
    65574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65575 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65576 changed = view.check_for_drawing_change() 
    65577 File
    65578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65579 packages/chimerax/core/graphics/view.py", line 252, in
    65580 check_for_drawing_change 
    65581 trig.activate_trigger('graphics update', self) 
    65582 File
    65583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65584 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65585 trigger.activate(data) 
    65586 File
    65587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65588 packages/chimerax/core/triggerset.py", line 190, in activate 
    65589 ret = handler.invoke(data, self._remove_bad_handlers) 
    65590 File
    65591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65592 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65593 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65594 File
    65595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65596 packages/chimerax/core/session.py", line 943, in <lambda> 
    65597 logger.report_exception(preface=preface)) 
    65598 File
    65599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65600 packages/chimerax/core/logger.py", line 421, in report_exception 
    65601 elif probably_chimera1_session(exc_info): 
    65602 File
    65603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65604 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65605 etype, evalue, etraceback = exc_info 
    65606 TypeError: cannot unpack non-iterable NoneType object 
    65607  
    65608 TypeError: cannot unpack non-iterable NoneType object 
    65609  
    65610 File
    65611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65612 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65613 etype, evalue, etraceback = exc_info 
    65614  
    65615 See log for complete Python traceback. 
    65616  
    65617 Traceback (most recent call last): 
    65618 File
    65619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65620 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65621 return self._func(self._name, data) 
    65622 File
    65623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65624 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65625 if v.display: 
    65626 File
    65627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65628 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65629 return self._any_displayed_positions and len(self._positions) > 0 
    65630 TypeError: object of type 'NoneType' has no len() 
    65631  
    65632 During handling of the above exception, another exception occurred: 
    65633  
    65634 Traceback (most recent call last): 
    65635 File
    65636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65637 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65638 if not self.draw_new_frame(): 
    65639 File
    65640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65641 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65642 changed = view.check_for_drawing_change() 
    65643 File
    65644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65645 packages/chimerax/core/graphics/view.py", line 252, in
    65646 check_for_drawing_change 
    65647 trig.activate_trigger('graphics update', self) 
    65648 File
    65649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65650 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65651 trigger.activate(data) 
    65652 File
    65653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65654 packages/chimerax/core/triggerset.py", line 190, in activate 
    65655 ret = handler.invoke(data, self._remove_bad_handlers) 
    65656 File
    65657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65658 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65659 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65660 File
    65661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65662 packages/chimerax/core/session.py", line 943, in <lambda> 
    65663 logger.report_exception(preface=preface)) 
    65664 File
    65665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65666 packages/chimerax/core/logger.py", line 421, in report_exception 
    65667 elif probably_chimera1_session(exc_info): 
    65668 File
    65669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65670 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65671 etype, evalue, etraceback = exc_info 
    65672 TypeError: cannot unpack non-iterable NoneType object 
    65673  
    65674 TypeError: cannot unpack non-iterable NoneType object 
    65675  
    65676 File
    65677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65678 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65679 etype, evalue, etraceback = exc_info 
    65680  
    65681 See log for complete Python traceback. 
    65682  
    65683 Traceback (most recent call last): 
    65684 File
    65685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65686 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65687 return self._func(self._name, data) 
    65688 File
    65689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65690 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65691 if v.display: 
    65692 File
    65693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65694 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65695 return self._any_displayed_positions and len(self._positions) > 0 
    65696 TypeError: object of type 'NoneType' has no len() 
    65697  
    65698 During handling of the above exception, another exception occurred: 
    65699  
    65700 Traceback (most recent call last): 
    65701 File
    65702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65703 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65704 if not self.draw_new_frame(): 
    65705 File
    65706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65707 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65708 changed = view.check_for_drawing_change() 
    65709 File
    65710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65711 packages/chimerax/core/graphics/view.py", line 252, in
    65712 check_for_drawing_change 
    65713 trig.activate_trigger('graphics update', self) 
    65714 File
    65715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65716 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65717 trigger.activate(data) 
    65718 File
    65719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65720 packages/chimerax/core/triggerset.py", line 190, in activate 
    65721 ret = handler.invoke(data, self._remove_bad_handlers) 
    65722 File
    65723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65724 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65725 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65726 File
    65727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65728 packages/chimerax/core/session.py", line 943, in <lambda> 
    65729 logger.report_exception(preface=preface)) 
    65730 File
    65731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65732 packages/chimerax/core/logger.py", line 421, in report_exception 
    65733 elif probably_chimera1_session(exc_info): 
    65734 File
    65735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65736 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65737 etype, evalue, etraceback = exc_info 
    65738 TypeError: cannot unpack non-iterable NoneType object 
    65739  
    65740 TypeError: cannot unpack non-iterable NoneType object 
    65741  
    65742 File
    65743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65744 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65745 etype, evalue, etraceback = exc_info 
    65746  
    65747 See log for complete Python traceback. 
    65748  
    65749 Traceback (most recent call last): 
    65750 File
    65751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65752 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65753 return self._func(self._name, data) 
    65754 File
    65755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65756 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65757 if v.display: 
    65758 File
    65759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65760 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65761 return self._any_displayed_positions and len(self._positions) > 0 
    65762 TypeError: object of type 'NoneType' has no len() 
    65763  
    65764 During handling of the above exception, another exception occurred: 
    65765  
    65766 Traceback (most recent call last): 
    65767 File
    65768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65769 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65770 if not self.draw_new_frame(): 
    65771 File
    65772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65773 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65774 changed = view.check_for_drawing_change() 
    65775 File
    65776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65777 packages/chimerax/core/graphics/view.py", line 252, in
    65778 check_for_drawing_change 
    65779 trig.activate_trigger('graphics update', self) 
    65780 File
    65781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65782 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65783 trigger.activate(data) 
    65784 File
    65785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65786 packages/chimerax/core/triggerset.py", line 190, in activate 
    65787 ret = handler.invoke(data, self._remove_bad_handlers) 
    65788 File
    65789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65790 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65791 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65792 File
    65793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65794 packages/chimerax/core/session.py", line 943, in <lambda> 
    65795 logger.report_exception(preface=preface)) 
    65796 File
    65797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65798 packages/chimerax/core/logger.py", line 421, in report_exception 
    65799 elif probably_chimera1_session(exc_info): 
    65800 File
    65801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65802 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65803 etype, evalue, etraceback = exc_info 
    65804 TypeError: cannot unpack non-iterable NoneType object 
    65805  
    65806 TypeError: cannot unpack non-iterable NoneType object 
    65807  
    65808 File
    65809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65810 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65811 etype, evalue, etraceback = exc_info 
    65812  
    65813 See log for complete Python traceback. 
    65814  
    65815 Traceback (most recent call last): 
    65816 File
    65817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65819 return self._func(self._name, data) 
    65820 File
    65821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65822 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65823 if v.display: 
    65824 File
    65825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65826 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65827 return self._any_displayed_positions and len(self._positions) > 0 
    65828 TypeError: object of type 'NoneType' has no len() 
    65829  
    65830 During handling of the above exception, another exception occurred: 
    65831  
    65832 Traceback (most recent call last): 
    65833 File
    65834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65835 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65836 if not self.draw_new_frame(): 
    65837 File
    65838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65839 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65840 changed = view.check_for_drawing_change() 
    65841 File
    65842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65843 packages/chimerax/core/graphics/view.py", line 252, in
    65844 check_for_drawing_change 
    65845 trig.activate_trigger('graphics update', self) 
    65846 File
    65847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65848 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65849 trigger.activate(data) 
    65850 File
    65851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65852 packages/chimerax/core/triggerset.py", line 190, in activate 
    65853 ret = handler.invoke(data, self._remove_bad_handlers) 
    65854 File
    65855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65856 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65857 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65858 File
    65859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65860 packages/chimerax/core/session.py", line 943, in <lambda> 
    65861 logger.report_exception(preface=preface)) 
    65862 File
    65863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65864 packages/chimerax/core/logger.py", line 421, in report_exception 
    65865 elif probably_chimera1_session(exc_info): 
    65866 File
    65867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65868 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65869 etype, evalue, etraceback = exc_info 
    65870 TypeError: cannot unpack non-iterable NoneType object 
    65871  
    65872 TypeError: cannot unpack non-iterable NoneType object 
    65873  
    65874 File
    65875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65876 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65877 etype, evalue, etraceback = exc_info 
    65878  
    65879 See log for complete Python traceback. 
    65880  
    65881 Traceback (most recent call last): 
    65882 File
    65883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65884 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65885 return self._func(self._name, data) 
    65886 File
    65887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65888 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65889 if v.display: 
    65890 File
    65891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65892 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65893 return self._any_displayed_positions and len(self._positions) > 0 
    65894 TypeError: object of type 'NoneType' has no len() 
    65895  
    65896 During handling of the above exception, another exception occurred: 
    65897  
    65898 Traceback (most recent call last): 
    65899 File
    65900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65901 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65902 if not self.draw_new_frame(): 
    65903 File
    65904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65905 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65906 changed = view.check_for_drawing_change() 
    65907 File
    65908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65909 packages/chimerax/core/graphics/view.py", line 252, in
    65910 check_for_drawing_change 
    65911 trig.activate_trigger('graphics update', self) 
    65912 File
    65913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65914 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65915 trigger.activate(data) 
    65916 File
    65917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65918 packages/chimerax/core/triggerset.py", line 190, in activate 
    65919 ret = handler.invoke(data, self._remove_bad_handlers) 
    65920 File
    65921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65922 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65923 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65924 File
    65925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65926 packages/chimerax/core/session.py", line 943, in <lambda> 
    65927 logger.report_exception(preface=preface)) 
    65928 File
    65929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65930 packages/chimerax/core/logger.py", line 421, in report_exception 
    65931 elif probably_chimera1_session(exc_info): 
    65932 File
    65933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65934 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65935 etype, evalue, etraceback = exc_info 
    65936 TypeError: cannot unpack non-iterable NoneType object 
    65937  
    65938 TypeError: cannot unpack non-iterable NoneType object 
    65939  
    65940 File
    65941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65942 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    65943 etype, evalue, etraceback = exc_info 
    65944  
    65945 See log for complete Python traceback. 
    65946  
    65947 Traceback (most recent call last): 
    65948 File
    65949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65950 packages/chimerax/core/triggerset.py", line 130, in invoke 
    65951 return self._func(self._name, data) 
    65952 File
    65953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65954 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    65955 if v.display: 
    65956 File
    65957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65958 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    65959 return self._any_displayed_positions and len(self._positions) > 0 
    65960 TypeError: object of type 'NoneType' has no len() 
    65961  
    65962 During handling of the above exception, another exception occurred: 
    65963  
    65964 Traceback (most recent call last): 
    65965 File
    65966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65967 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    65968 if not self.draw_new_frame(): 
    65969 File
    65970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65971 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    65972 changed = view.check_for_drawing_change() 
    65973 File
    65974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65975 packages/chimerax/core/graphics/view.py", line 252, in
    65976 check_for_drawing_change 
    65977 trig.activate_trigger('graphics update', self) 
    65978 File
    65979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65980 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    65981 trigger.activate(data) 
    65982 File
    65983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65984 packages/chimerax/core/triggerset.py", line 190, in activate 
    65985 ret = handler.invoke(data, self._remove_bad_handlers) 
    65986 File
    65987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65988 packages/chimerax/core/triggerset.py", line 132, in invoke 
    65989 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    65990 File
    65991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65992 packages/chimerax/core/session.py", line 943, in <lambda> 
    65993 logger.report_exception(preface=preface)) 
    65994 File
    65995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    65996 packages/chimerax/core/logger.py", line 421, in report_exception 
    65997 elif probably_chimera1_session(exc_info): 
    65998 File
    65999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66000 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66001 etype, evalue, etraceback = exc_info 
    66002 TypeError: cannot unpack non-iterable NoneType object 
    66003  
    66004 TypeError: cannot unpack non-iterable NoneType object 
    66005  
    66006 File
    66007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66008 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66009 etype, evalue, etraceback = exc_info 
    66010  
    66011 See log for complete Python traceback. 
    66012  
    66013 Traceback (most recent call last): 
    66014 File
    66015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66016 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66017 return self._func(self._name, data) 
    66018 File
    66019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66020 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66021 if v.display: 
    66022 File
    66023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66024 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66025 return self._any_displayed_positions and len(self._positions) > 0 
    66026 TypeError: object of type 'NoneType' has no len() 
    66027  
    66028 During handling of the above exception, another exception occurred: 
    66029  
    66030 Traceback (most recent call last): 
    66031 File
    66032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66033 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66034 if not self.draw_new_frame(): 
    66035 File
    66036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66037 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66038 changed = view.check_for_drawing_change() 
    66039 File
    66040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66041 packages/chimerax/core/graphics/view.py", line 252, in
    66042 check_for_drawing_change 
    66043 trig.activate_trigger('graphics update', self) 
    66044 File
    66045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66046 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66047 trigger.activate(data) 
    66048 File
    66049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66050 packages/chimerax/core/triggerset.py", line 190, in activate 
    66051 ret = handler.invoke(data, self._remove_bad_handlers) 
    66052 File
    66053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66054 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66055 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66056 File
    66057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66058 packages/chimerax/core/session.py", line 943, in <lambda> 
    66059 logger.report_exception(preface=preface)) 
    66060 File
    66061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66062 packages/chimerax/core/logger.py", line 421, in report_exception 
    66063 elif probably_chimera1_session(exc_info): 
    66064 File
    66065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66066 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66067 etype, evalue, etraceback = exc_info 
    66068 TypeError: cannot unpack non-iterable NoneType object 
    66069  
    66070 TypeError: cannot unpack non-iterable NoneType object 
    66071  
    66072 File
    66073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66074 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66075 etype, evalue, etraceback = exc_info 
    66076  
    66077 See log for complete Python traceback. 
    66078  
    66079 Traceback (most recent call last): 
    66080 File
    66081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66082 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66083 return self._func(self._name, data) 
    66084 File
    66085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66086 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66087 if v.display: 
    66088 File
    66089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66090 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66091 return self._any_displayed_positions and len(self._positions) > 0 
    66092 TypeError: object of type 'NoneType' has no len() 
    66093  
    66094 During handling of the above exception, another exception occurred: 
    66095  
    66096 Traceback (most recent call last): 
    66097 File
    66098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66099 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66100 if not self.draw_new_frame(): 
    66101 File
    66102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66103 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66104 changed = view.check_for_drawing_change() 
    66105 File
    66106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66107 packages/chimerax/core/graphics/view.py", line 252, in
    66108 check_for_drawing_change 
    66109 trig.activate_trigger('graphics update', self) 
    66110 File
    66111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66112 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66113 trigger.activate(data) 
    66114 File
    66115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66116 packages/chimerax/core/triggerset.py", line 190, in activate 
    66117 ret = handler.invoke(data, self._remove_bad_handlers) 
    66118 File
    66119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66120 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66121 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66122 File
    66123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66124 packages/chimerax/core/session.py", line 943, in <lambda> 
    66125 logger.report_exception(preface=preface)) 
    66126 File
    66127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66128 packages/chimerax/core/logger.py", line 421, in report_exception 
    66129 elif probably_chimera1_session(exc_info): 
    66130 File
    66131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66132 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66133 etype, evalue, etraceback = exc_info 
    66134 TypeError: cannot unpack non-iterable NoneType object 
    66135  
    66136 TypeError: cannot unpack non-iterable NoneType object 
    66137  
    66138 File
    66139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66140 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66141 etype, evalue, etraceback = exc_info 
    66142  
    66143 See log for complete Python traceback. 
    66144  
    66145 Traceback (most recent call last): 
    66146 File
    66147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66148 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66149 return self._func(self._name, data) 
    66150 File
    66151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66152 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66153 if v.display: 
    66154 File
    66155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66156 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66157 return self._any_displayed_positions and len(self._positions) > 0 
    66158 TypeError: object of type 'NoneType' has no len() 
    66159  
    66160 During handling of the above exception, another exception occurred: 
    66161  
    66162 Traceback (most recent call last): 
    66163 File
    66164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66165 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66166 if not self.draw_new_frame(): 
    66167 File
    66168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66169 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66170 changed = view.check_for_drawing_change() 
    66171 File
    66172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66173 packages/chimerax/core/graphics/view.py", line 252, in
    66174 check_for_drawing_change 
    66175 trig.activate_trigger('graphics update', self) 
    66176 File
    66177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66178 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66179 trigger.activate(data) 
    66180 File
    66181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66182 packages/chimerax/core/triggerset.py", line 190, in activate 
    66183 ret = handler.invoke(data, self._remove_bad_handlers) 
    66184 File
    66185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66186 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66187 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66188 File
    66189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66190 packages/chimerax/core/session.py", line 943, in <lambda> 
    66191 logger.report_exception(preface=preface)) 
    66192 File
    66193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66194 packages/chimerax/core/logger.py", line 421, in report_exception 
    66195 elif probably_chimera1_session(exc_info): 
    66196 File
    66197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66198 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66199 etype, evalue, etraceback = exc_info 
    66200 TypeError: cannot unpack non-iterable NoneType object 
    66201  
    66202 TypeError: cannot unpack non-iterable NoneType object 
    66203  
    66204 File
    66205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66206 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66207 etype, evalue, etraceback = exc_info 
    66208  
    66209 See log for complete Python traceback. 
    66210  
    66211 Traceback (most recent call last): 
    66212 File
    66213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66214 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66215 return self._func(self._name, data) 
    66216 File
    66217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66218 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66219 if v.display: 
    66220 File
    66221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66222 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66223 return self._any_displayed_positions and len(self._positions) > 0 
    66224 TypeError: object of type 'NoneType' has no len() 
    66225  
    66226 During handling of the above exception, another exception occurred: 
    66227  
    66228 Traceback (most recent call last): 
    66229 File
    66230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66231 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66232 if not self.draw_new_frame(): 
    66233 File
    66234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66235 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66236 changed = view.check_for_drawing_change() 
    66237 File
    66238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66239 packages/chimerax/core/graphics/view.py", line 252, in
    66240 check_for_drawing_change 
    66241 trig.activate_trigger('graphics update', self) 
    66242 File
    66243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66244 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66245 trigger.activate(data) 
    66246 File
    66247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66248 packages/chimerax/core/triggerset.py", line 190, in activate 
    66249 ret = handler.invoke(data, self._remove_bad_handlers) 
    66250 File
    66251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66252 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66253 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66254 File
    66255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66256 packages/chimerax/core/session.py", line 943, in <lambda> 
    66257 logger.report_exception(preface=preface)) 
    66258 File
    66259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66260 packages/chimerax/core/logger.py", line 421, in report_exception 
    66261 elif probably_chimera1_session(exc_info): 
    66262 File
    66263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66264 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66265 etype, evalue, etraceback = exc_info 
    66266 TypeError: cannot unpack non-iterable NoneType object 
    66267  
    66268 TypeError: cannot unpack non-iterable NoneType object 
    66269  
    66270 File
    66271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66272 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66273 etype, evalue, etraceback = exc_info 
    66274  
    66275 See log for complete Python traceback. 
    66276  
    66277 Traceback (most recent call last): 
    66278 File
    66279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66280 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66281 return self._func(self._name, data) 
    66282 File
    66283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66284 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66285 if v.display: 
    66286 File
    66287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66288 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66289 return self._any_displayed_positions and len(self._positions) > 0 
    66290 TypeError: object of type 'NoneType' has no len() 
    66291  
    66292 During handling of the above exception, another exception occurred: 
    66293  
    66294 Traceback (most recent call last): 
    66295 File
    66296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66297 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66298 if not self.draw_new_frame(): 
    66299 File
    66300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66301 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66302 changed = view.check_for_drawing_change() 
    66303 File
    66304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66305 packages/chimerax/core/graphics/view.py", line 252, in
    66306 check_for_drawing_change 
    66307 trig.activate_trigger('graphics update', self) 
    66308 File
    66309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66310 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66311 trigger.activate(data) 
    66312 File
    66313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66314 packages/chimerax/core/triggerset.py", line 190, in activate 
    66315 ret = handler.invoke(data, self._remove_bad_handlers) 
    66316 File
    66317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66318 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66319 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66320 File
    66321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66322 packages/chimerax/core/session.py", line 943, in <lambda> 
    66323 logger.report_exception(preface=preface)) 
    66324 File
    66325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66326 packages/chimerax/core/logger.py", line 421, in report_exception 
    66327 elif probably_chimera1_session(exc_info): 
    66328 File
    66329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66330 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66331 etype, evalue, etraceback = exc_info 
    66332 TypeError: cannot unpack non-iterable NoneType object 
    66333  
    66334 TypeError: cannot unpack non-iterable NoneType object 
    66335  
    66336 File
    66337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66338 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66339 etype, evalue, etraceback = exc_info 
    66340  
    66341 See log for complete Python traceback. 
    66342  
    66343 
    66344 > ~select #1
    66345 
    66346 Nothing selected 
    66347 Traceback (most recent call last): 
    66348 File
    66349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66350 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66351 return self._func(self._name, data) 
    66352 File
    66353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66354 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66355 if v.display: 
    66356 File
    66357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66358 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66359 return self._any_displayed_positions and len(self._positions) > 0 
    66360 TypeError: object of type 'NoneType' has no len() 
    66361  
    66362 During handling of the above exception, another exception occurred: 
    66363  
    66364 Traceback (most recent call last): 
    66365 File
    66366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66367 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66368 if not self.draw_new_frame(): 
    66369 File
    66370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66371 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66372 changed = view.check_for_drawing_change() 
    66373 File
    66374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66375 packages/chimerax/core/graphics/view.py", line 252, in
    66376 check_for_drawing_change 
    66377 trig.activate_trigger('graphics update', self) 
    66378 File
    66379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66380 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66381 trigger.activate(data) 
    66382 File
    66383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66384 packages/chimerax/core/triggerset.py", line 190, in activate 
    66385 ret = handler.invoke(data, self._remove_bad_handlers) 
    66386 File
    66387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66388 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66389 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66390 File
    66391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66392 packages/chimerax/core/session.py", line 943, in <lambda> 
    66393 logger.report_exception(preface=preface)) 
    66394 File
    66395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66396 packages/chimerax/core/logger.py", line 421, in report_exception 
    66397 elif probably_chimera1_session(exc_info): 
    66398 File
    66399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66400 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66401 etype, evalue, etraceback = exc_info 
    66402 TypeError: cannot unpack non-iterable NoneType object 
    66403  
    66404 TypeError: cannot unpack non-iterable NoneType object 
    66405  
    66406 File
    66407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66408 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66409 etype, evalue, etraceback = exc_info 
    66410  
    66411 See log for complete Python traceback. 
    66412  
    66413 Traceback (most recent call last): 
    66414 File
    66415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66416 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66417 return self._func(self._name, data) 
    66418 File
    66419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66420 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66421 if v.display: 
    66422 File
    66423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66424 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66425 return self._any_displayed_positions and len(self._positions) > 0 
    66426 TypeError: object of type 'NoneType' has no len() 
    66427  
    66428 During handling of the above exception, another exception occurred: 
    66429  
    66430 Traceback (most recent call last): 
    66431 File
    66432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66433 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66434 if not self.draw_new_frame(): 
    66435 File
    66436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66437 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66438 changed = view.check_for_drawing_change() 
    66439 File
    66440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66441 packages/chimerax/core/graphics/view.py", line 252, in
    66442 check_for_drawing_change 
    66443 trig.activate_trigger('graphics update', self) 
    66444 File
    66445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66446 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66447 trigger.activate(data) 
    66448 File
    66449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66450 packages/chimerax/core/triggerset.py", line 190, in activate 
    66451 ret = handler.invoke(data, self._remove_bad_handlers) 
    66452 File
    66453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66454 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66455 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66456 File
    66457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66458 packages/chimerax/core/session.py", line 943, in <lambda> 
    66459 logger.report_exception(preface=preface)) 
    66460 File
    66461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66462 packages/chimerax/core/logger.py", line 421, in report_exception 
    66463 elif probably_chimera1_session(exc_info): 
    66464 File
    66465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66466 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66467 etype, evalue, etraceback = exc_info 
    66468 TypeError: cannot unpack non-iterable NoneType object 
    66469  
    66470 TypeError: cannot unpack non-iterable NoneType object 
    66471  
    66472 File
    66473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66474 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66475 etype, evalue, etraceback = exc_info 
    66476  
    66477 See log for complete Python traceback. 
    66478  
    66479 Traceback (most recent call last): 
    66480 File
    66481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66482 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66483 return self._func(self._name, data) 
    66484 File
    66485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66486 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66487 if v.display: 
    66488 File
    66489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66490 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66491 return self._any_displayed_positions and len(self._positions) > 0 
    66492 TypeError: object of type 'NoneType' has no len() 
    66493  
    66494 During handling of the above exception, another exception occurred: 
    66495  
    66496 Traceback (most recent call last): 
    66497 File
    66498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66499 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66500 if not self.draw_new_frame(): 
    66501 File
    66502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66503 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66504 changed = view.check_for_drawing_change() 
    66505 File
    66506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66507 packages/chimerax/core/graphics/view.py", line 252, in
    66508 check_for_drawing_change 
    66509 trig.activate_trigger('graphics update', self) 
    66510 File
    66511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66512 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66513 trigger.activate(data) 
    66514 File
    66515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66516 packages/chimerax/core/triggerset.py", line 190, in activate 
    66517 ret = handler.invoke(data, self._remove_bad_handlers) 
    66518 File
    66519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66520 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66521 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66522 File
    66523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66524 packages/chimerax/core/session.py", line 943, in <lambda> 
    66525 logger.report_exception(preface=preface)) 
    66526 File
    66527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66528 packages/chimerax/core/logger.py", line 421, in report_exception 
    66529 elif probably_chimera1_session(exc_info): 
    66530 File
    66531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66532 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66533 etype, evalue, etraceback = exc_info 
    66534 TypeError: cannot unpack non-iterable NoneType object 
    66535  
    66536 TypeError: cannot unpack non-iterable NoneType object 
    66537  
    66538 File
    66539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66540 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66541 etype, evalue, etraceback = exc_info 
    66542  
    66543 See log for complete Python traceback. 
    66544  
    66545 Traceback (most recent call last): 
    66546 File
    66547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66548 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66549 return self._func(self._name, data) 
    66550 File
    66551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66552 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66553 if v.display: 
    66554 File
    66555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66556 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66557 return self._any_displayed_positions and len(self._positions) > 0 
    66558 TypeError: object of type 'NoneType' has no len() 
    66559  
    66560 During handling of the above exception, another exception occurred: 
    66561  
    66562 Traceback (most recent call last): 
    66563 File
    66564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66565 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66566 if not self.draw_new_frame(): 
    66567 File
    66568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66569 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66570 changed = view.check_for_drawing_change() 
    66571 File
    66572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66573 packages/chimerax/core/graphics/view.py", line 252, in
    66574 check_for_drawing_change 
    66575 trig.activate_trigger('graphics update', self) 
    66576 File
    66577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66578 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66579 trigger.activate(data) 
    66580 File
    66581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66582 packages/chimerax/core/triggerset.py", line 190, in activate 
    66583 ret = handler.invoke(data, self._remove_bad_handlers) 
    66584 File
    66585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66586 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66587 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66588 File
    66589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66590 packages/chimerax/core/session.py", line 943, in <lambda> 
    66591 logger.report_exception(preface=preface)) 
    66592 File
    66593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66594 packages/chimerax/core/logger.py", line 421, in report_exception 
    66595 elif probably_chimera1_session(exc_info): 
    66596 File
    66597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66598 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66599 etype, evalue, etraceback = exc_info 
    66600 TypeError: cannot unpack non-iterable NoneType object 
    66601  
    66602 TypeError: cannot unpack non-iterable NoneType object 
    66603  
    66604 File
    66605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66606 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66607 etype, evalue, etraceback = exc_info 
    66608  
    66609 See log for complete Python traceback. 
    66610  
    66611 Traceback (most recent call last): 
    66612 File
    66613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66614 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66615 return self._func(self._name, data) 
    66616 File
    66617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66618 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66619 if v.display: 
    66620 File
    66621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66622 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66623 return self._any_displayed_positions and len(self._positions) > 0 
    66624 TypeError: object of type 'NoneType' has no len() 
    66625  
    66626 During handling of the above exception, another exception occurred: 
    66627  
    66628 Traceback (most recent call last): 
    66629 File
    66630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66631 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66632 if not self.draw_new_frame(): 
    66633 File
    66634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66635 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66636 changed = view.check_for_drawing_change() 
    66637 File
    66638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66639 packages/chimerax/core/graphics/view.py", line 252, in
    66640 check_for_drawing_change 
    66641 trig.activate_trigger('graphics update', self) 
    66642 File
    66643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66644 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66645 trigger.activate(data) 
    66646 File
    66647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66648 packages/chimerax/core/triggerset.py", line 190, in activate 
    66649 ret = handler.invoke(data, self._remove_bad_handlers) 
    66650 File
    66651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66652 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66653 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66654 File
    66655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66656 packages/chimerax/core/session.py", line 943, in <lambda> 
    66657 logger.report_exception(preface=preface)) 
    66658 File
    66659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66660 packages/chimerax/core/logger.py", line 421, in report_exception 
    66661 elif probably_chimera1_session(exc_info): 
    66662 File
    66663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66664 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66665 etype, evalue, etraceback = exc_info 
    66666 TypeError: cannot unpack non-iterable NoneType object 
    66667  
    66668 TypeError: cannot unpack non-iterable NoneType object 
    66669  
    66670 File
    66671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66672 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66673 etype, evalue, etraceback = exc_info 
    66674  
    66675 See log for complete Python traceback. 
    66676  
    66677 Traceback (most recent call last): 
    66678 File
    66679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66680 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66681 return self._func(self._name, data) 
    66682 File
    66683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66684 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66685 if v.display: 
    66686 File
    66687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66688 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66689 return self._any_displayed_positions and len(self._positions) > 0 
    66690 TypeError: object of type 'NoneType' has no len() 
    66691  
    66692 During handling of the above exception, another exception occurred: 
    66693  
    66694 Traceback (most recent call last): 
    66695 File
    66696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66697 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66698 if not self.draw_new_frame(): 
    66699 File
    66700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66701 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66702 changed = view.check_for_drawing_change() 
    66703 File
    66704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66705 packages/chimerax/core/graphics/view.py", line 252, in
    66706 check_for_drawing_change 
    66707 trig.activate_trigger('graphics update', self) 
    66708 File
    66709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66710 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66711 trigger.activate(data) 
    66712 File
    66713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66714 packages/chimerax/core/triggerset.py", line 190, in activate 
    66715 ret = handler.invoke(data, self._remove_bad_handlers) 
    66716 File
    66717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66718 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66719 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66720 File
    66721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66722 packages/chimerax/core/session.py", line 943, in <lambda> 
    66723 logger.report_exception(preface=preface)) 
    66724 File
    66725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66726 packages/chimerax/core/logger.py", line 421, in report_exception 
    66727 elif probably_chimera1_session(exc_info): 
    66728 File
    66729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66730 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66731 etype, evalue, etraceback = exc_info 
    66732 TypeError: cannot unpack non-iterable NoneType object 
    66733  
    66734 TypeError: cannot unpack non-iterable NoneType object 
    66735  
    66736 File
    66737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66738 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66739 etype, evalue, etraceback = exc_info 
    66740  
    66741 See log for complete Python traceback. 
    66742  
    66743 Traceback (most recent call last): 
    66744 File
    66745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66746 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66747 return self._func(self._name, data) 
    66748 File
    66749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66750 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66751 if v.display: 
    66752 File
    66753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66754 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66755 return self._any_displayed_positions and len(self._positions) > 0 
    66756 TypeError: object of type 'NoneType' has no len() 
    66757  
    66758 During handling of the above exception, another exception occurred: 
    66759  
    66760 Traceback (most recent call last): 
    66761 File
    66762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66763 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66764 if not self.draw_new_frame(): 
    66765 File
    66766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66767 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66768 changed = view.check_for_drawing_change() 
    66769 File
    66770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66771 packages/chimerax/core/graphics/view.py", line 252, in
    66772 check_for_drawing_change 
    66773 trig.activate_trigger('graphics update', self) 
    66774 File
    66775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66776 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66777 trigger.activate(data) 
    66778 File
    66779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66780 packages/chimerax/core/triggerset.py", line 190, in activate 
    66781 ret = handler.invoke(data, self._remove_bad_handlers) 
    66782 File
    66783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66784 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66785 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66786 File
    66787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66788 packages/chimerax/core/session.py", line 943, in <lambda> 
    66789 logger.report_exception(preface=preface)) 
    66790 File
    66791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66792 packages/chimerax/core/logger.py", line 421, in report_exception 
    66793 elif probably_chimera1_session(exc_info): 
    66794 File
    66795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66796 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66797 etype, evalue, etraceback = exc_info 
    66798 TypeError: cannot unpack non-iterable NoneType object 
    66799  
    66800 TypeError: cannot unpack non-iterable NoneType object 
    66801  
    66802 File
    66803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66804 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66805 etype, evalue, etraceback = exc_info 
    66806  
    66807 See log for complete Python traceback. 
    66808  
    66809 Traceback (most recent call last): 
    66810 File
    66811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66812 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66813 return self._func(self._name, data) 
    66814 File
    66815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66816 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66817 if v.display: 
    66818 File
    66819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66820 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66821 return self._any_displayed_positions and len(self._positions) > 0 
    66822 TypeError: object of type 'NoneType' has no len() 
    66823  
    66824 During handling of the above exception, another exception occurred: 
    66825  
    66826 Traceback (most recent call last): 
    66827 File
    66828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66829 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66830 if not self.draw_new_frame(): 
    66831 File
    66832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66833 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66834 changed = view.check_for_drawing_change() 
    66835 File
    66836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66837 packages/chimerax/core/graphics/view.py", line 252, in
    66838 check_for_drawing_change 
    66839 trig.activate_trigger('graphics update', self) 
    66840 File
    66841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66842 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66843 trigger.activate(data) 
    66844 File
    66845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66846 packages/chimerax/core/triggerset.py", line 190, in activate 
    66847 ret = handler.invoke(data, self._remove_bad_handlers) 
    66848 File
    66849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66850 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66851 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66852 File
    66853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66854 packages/chimerax/core/session.py", line 943, in <lambda> 
    66855 logger.report_exception(preface=preface)) 
    66856 File
    66857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66858 packages/chimerax/core/logger.py", line 421, in report_exception 
    66859 elif probably_chimera1_session(exc_info): 
    66860 File
    66861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66862 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66863 etype, evalue, etraceback = exc_info 
    66864 TypeError: cannot unpack non-iterable NoneType object 
    66865  
    66866 TypeError: cannot unpack non-iterable NoneType object 
    66867  
    66868 File
    66869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66870 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66871 etype, evalue, etraceback = exc_info 
    66872  
    66873 See log for complete Python traceback. 
    66874  
    66875 Traceback (most recent call last): 
    66876 File
    66877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66878 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66879 return self._func(self._name, data) 
    66880 File
    66881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66882 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66883 if v.display: 
    66884 File
    66885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66886 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66887 return self._any_displayed_positions and len(self._positions) > 0 
    66888 TypeError: object of type 'NoneType' has no len() 
    66889  
    66890 During handling of the above exception, another exception occurred: 
    66891  
    66892 Traceback (most recent call last): 
    66893 File
    66894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66895 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66896 if not self.draw_new_frame(): 
    66897 File
    66898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66899 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66900 changed = view.check_for_drawing_change() 
    66901 File
    66902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66903 packages/chimerax/core/graphics/view.py", line 252, in
    66904 check_for_drawing_change 
    66905 trig.activate_trigger('graphics update', self) 
    66906 File
    66907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66908 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66909 trigger.activate(data) 
    66910 File
    66911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66912 packages/chimerax/core/triggerset.py", line 190, in activate 
    66913 ret = handler.invoke(data, self._remove_bad_handlers) 
    66914 File
    66915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66916 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66917 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66918 File
    66919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66920 packages/chimerax/core/session.py", line 943, in <lambda> 
    66921 logger.report_exception(preface=preface)) 
    66922 File
    66923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66924 packages/chimerax/core/logger.py", line 421, in report_exception 
    66925 elif probably_chimera1_session(exc_info): 
    66926 File
    66927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66928 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66929 etype, evalue, etraceback = exc_info 
    66930 TypeError: cannot unpack non-iterable NoneType object 
    66931  
    66932 TypeError: cannot unpack non-iterable NoneType object 
    66933  
    66934 File
    66935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66936 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66937 etype, evalue, etraceback = exc_info 
    66938  
    66939 See log for complete Python traceback. 
    66940  
    66941 Traceback (most recent call last): 
    66942 File
    66943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66944 packages/chimerax/core/triggerset.py", line 130, in invoke 
    66945 return self._func(self._name, data) 
    66946 File
    66947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66948 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    66949 if v.display: 
    66950 File
    66951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66952 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    66953 return self._any_displayed_positions and len(self._positions) > 0 
    66954 TypeError: object of type 'NoneType' has no len() 
    66955  
    66956 During handling of the above exception, another exception occurred: 
    66957  
    66958 Traceback (most recent call last): 
    66959 File
    66960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66961 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    66962 if not self.draw_new_frame(): 
    66963 File
    66964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66965 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    66966 changed = view.check_for_drawing_change() 
    66967 File
    66968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66969 packages/chimerax/core/graphics/view.py", line 252, in
    66970 check_for_drawing_change 
    66971 trig.activate_trigger('graphics update', self) 
    66972 File
    66973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66974 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    66975 trigger.activate(data) 
    66976 File
    66977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66978 packages/chimerax/core/triggerset.py", line 190, in activate 
    66979 ret = handler.invoke(data, self._remove_bad_handlers) 
    66980 File
    66981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66982 packages/chimerax/core/triggerset.py", line 132, in invoke 
    66983 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    66984 File
    66985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66986 packages/chimerax/core/session.py", line 943, in <lambda> 
    66987 logger.report_exception(preface=preface)) 
    66988 File
    66989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66990 packages/chimerax/core/logger.py", line 421, in report_exception 
    66991 elif probably_chimera1_session(exc_info): 
    66992 File
    66993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    66994 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    66995 etype, evalue, etraceback = exc_info 
    66996 TypeError: cannot unpack non-iterable NoneType object 
    66997  
    66998 TypeError: cannot unpack non-iterable NoneType object 
    66999  
    67000 File
    67001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67002 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67003 etype, evalue, etraceback = exc_info 
    67004  
    67005 See log for complete Python traceback. 
    67006  
    67007 Traceback (most recent call last): 
    67008 File
    67009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67010 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67011 return self._func(self._name, data) 
    67012 File
    67013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67014 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67015 if v.display: 
    67016 File
    67017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67018 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67019 return self._any_displayed_positions and len(self._positions) > 0 
    67020 TypeError: object of type 'NoneType' has no len() 
    67021  
    67022 During handling of the above exception, another exception occurred: 
    67023  
    67024 Traceback (most recent call last): 
    67025 File
    67026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67027 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67028 if not self.draw_new_frame(): 
    67029 File
    67030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67031 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67032 changed = view.check_for_drawing_change() 
    67033 File
    67034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67035 packages/chimerax/core/graphics/view.py", line 252, in
    67036 check_for_drawing_change 
    67037 trig.activate_trigger('graphics update', self) 
    67038 File
    67039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67040 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67041 trigger.activate(data) 
    67042 File
    67043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67044 packages/chimerax/core/triggerset.py", line 190, in activate 
    67045 ret = handler.invoke(data, self._remove_bad_handlers) 
    67046 File
    67047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67048 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67049 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67050 File
    67051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67052 packages/chimerax/core/session.py", line 943, in <lambda> 
    67053 logger.report_exception(preface=preface)) 
    67054 File
    67055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67056 packages/chimerax/core/logger.py", line 421, in report_exception 
    67057 elif probably_chimera1_session(exc_info): 
    67058 File
    67059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67060 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67061 etype, evalue, etraceback = exc_info 
    67062 TypeError: cannot unpack non-iterable NoneType object 
    67063  
    67064 TypeError: cannot unpack non-iterable NoneType object 
    67065  
    67066 File
    67067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67068 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67069 etype, evalue, etraceback = exc_info 
    67070  
    67071 See log for complete Python traceback. 
    67072  
    67073 Traceback (most recent call last): 
    67074 File
    67075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67076 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67077 return self._func(self._name, data) 
    67078 File
    67079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67080 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67081 if v.display: 
    67082 File
    67083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67084 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67085 return self._any_displayed_positions and len(self._positions) > 0 
    67086 TypeError: object of type 'NoneType' has no len() 
    67087  
    67088 During handling of the above exception, another exception occurred: 
    67089  
    67090 Traceback (most recent call last): 
    67091 File
    67092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67093 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67094 if not self.draw_new_frame(): 
    67095 File
    67096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67097 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67098 changed = view.check_for_drawing_change() 
    67099 File
    67100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67101 packages/chimerax/core/graphics/view.py", line 252, in
    67102 check_for_drawing_change 
    67103 trig.activate_trigger('graphics update', self) 
    67104 File
    67105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67106 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67107 trigger.activate(data) 
    67108 File
    67109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67110 packages/chimerax/core/triggerset.py", line 190, in activate 
    67111 ret = handler.invoke(data, self._remove_bad_handlers) 
    67112 File
    67113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67114 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67115 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67116 File
    67117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67118 packages/chimerax/core/session.py", line 943, in <lambda> 
    67119 logger.report_exception(preface=preface)) 
    67120 File
    67121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67122 packages/chimerax/core/logger.py", line 421, in report_exception 
    67123 elif probably_chimera1_session(exc_info): 
    67124 File
    67125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67126 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67127 etype, evalue, etraceback = exc_info 
    67128 TypeError: cannot unpack non-iterable NoneType object 
    67129  
    67130 TypeError: cannot unpack non-iterable NoneType object 
    67131  
    67132 File
    67133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67134 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67135 etype, evalue, etraceback = exc_info 
    67136  
    67137 See log for complete Python traceback. 
    67138  
    67139 Traceback (most recent call last): 
    67140 File
    67141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67142 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67143 return self._func(self._name, data) 
    67144 File
    67145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67146 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67147 if v.display: 
    67148 File
    67149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67150 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67151 return self._any_displayed_positions and len(self._positions) > 0 
    67152 TypeError: object of type 'NoneType' has no len() 
    67153  
    67154 During handling of the above exception, another exception occurred: 
    67155  
    67156 Traceback (most recent call last): 
    67157 File
    67158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67159 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67160 if not self.draw_new_frame(): 
    67161 File
    67162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67163 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67164 changed = view.check_for_drawing_change() 
    67165 File
    67166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67167 packages/chimerax/core/graphics/view.py", line 252, in
    67168 check_for_drawing_change 
    67169 trig.activate_trigger('graphics update', self) 
    67170 File
    67171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67172 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67173 trigger.activate(data) 
    67174 File
    67175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67176 packages/chimerax/core/triggerset.py", line 190, in activate 
    67177 ret = handler.invoke(data, self._remove_bad_handlers) 
    67178 File
    67179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67180 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67181 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67182 File
    67183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67184 packages/chimerax/core/session.py", line 943, in <lambda> 
    67185 logger.report_exception(preface=preface)) 
    67186 File
    67187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67188 packages/chimerax/core/logger.py", line 421, in report_exception 
    67189 elif probably_chimera1_session(exc_info): 
    67190 File
    67191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67192 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67193 etype, evalue, etraceback = exc_info 
    67194 TypeError: cannot unpack non-iterable NoneType object 
    67195  
    67196 TypeError: cannot unpack non-iterable NoneType object 
    67197  
    67198 File
    67199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67200 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67201 etype, evalue, etraceback = exc_info 
    67202  
    67203 See log for complete Python traceback. 
    67204  
    67205 Traceback (most recent call last): 
    67206 File
    67207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67208 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67209 return self._func(self._name, data) 
    67210 File
    67211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67212 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67213 if v.display: 
    67214 File
    67215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67216 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67217 return self._any_displayed_positions and len(self._positions) > 0 
    67218 TypeError: object of type 'NoneType' has no len() 
    67219  
    67220 During handling of the above exception, another exception occurred: 
    67221  
    67222 Traceback (most recent call last): 
    67223 File
    67224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67225 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67226 if not self.draw_new_frame(): 
    67227 File
    67228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67229 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67230 changed = view.check_for_drawing_change() 
    67231 File
    67232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67233 packages/chimerax/core/graphics/view.py", line 252, in
    67234 check_for_drawing_change 
    67235 trig.activate_trigger('graphics update', self) 
    67236 File
    67237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67238 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67239 trigger.activate(data) 
    67240 File
    67241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67242 packages/chimerax/core/triggerset.py", line 190, in activate 
    67243 ret = handler.invoke(data, self._remove_bad_handlers) 
    67244 File
    67245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67246 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67247 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67248 File
    67249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67250 packages/chimerax/core/session.py", line 943, in <lambda> 
    67251 logger.report_exception(preface=preface)) 
    67252 File
    67253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67254 packages/chimerax/core/logger.py", line 421, in report_exception 
    67255 elif probably_chimera1_session(exc_info): 
    67256 File
    67257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67258 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67259 etype, evalue, etraceback = exc_info 
    67260 TypeError: cannot unpack non-iterable NoneType object 
    67261  
    67262 TypeError: cannot unpack non-iterable NoneType object 
    67263  
    67264 File
    67265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67266 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67267 etype, evalue, etraceback = exc_info 
    67268  
    67269 See log for complete Python traceback. 
    67270  
    67271 Traceback (most recent call last): 
    67272 File
    67273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67274 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67275 return self._func(self._name, data) 
    67276 File
    67277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67278 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67279 if v.display: 
    67280 File
    67281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67282 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67283 return self._any_displayed_positions and len(self._positions) > 0 
    67284 TypeError: object of type 'NoneType' has no len() 
    67285  
    67286 During handling of the above exception, another exception occurred: 
    67287  
    67288 Traceback (most recent call last): 
    67289 File
    67290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67291 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67292 if not self.draw_new_frame(): 
    67293 File
    67294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67295 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67296 changed = view.check_for_drawing_change() 
    67297 File
    67298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67299 packages/chimerax/core/graphics/view.py", line 252, in
    67300 check_for_drawing_change 
    67301 trig.activate_trigger('graphics update', self) 
    67302 File
    67303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67304 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67305 trigger.activate(data) 
    67306 File
    67307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67308 packages/chimerax/core/triggerset.py", line 190, in activate 
    67309 ret = handler.invoke(data, self._remove_bad_handlers) 
    67310 File
    67311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67312 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67313 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67314 File
    67315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67316 packages/chimerax/core/session.py", line 943, in <lambda> 
    67317 logger.report_exception(preface=preface)) 
    67318 File
    67319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67320 packages/chimerax/core/logger.py", line 421, in report_exception 
    67321 elif probably_chimera1_session(exc_info): 
    67322 File
    67323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67324 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67325 etype, evalue, etraceback = exc_info 
    67326 TypeError: cannot unpack non-iterable NoneType object 
    67327  
    67328 TypeError: cannot unpack non-iterable NoneType object 
    67329  
    67330 File
    67331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67332 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67333 etype, evalue, etraceback = exc_info 
    67334  
    67335 See log for complete Python traceback. 
    67336  
    67337 Traceback (most recent call last): 
    67338 File
    67339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67340 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67341 return self._func(self._name, data) 
    67342 File
    67343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67344 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67345 if v.display: 
    67346 File
    67347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67348 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67349 return self._any_displayed_positions and len(self._positions) > 0 
    67350 TypeError: object of type 'NoneType' has no len() 
    67351  
    67352 During handling of the above exception, another exception occurred: 
    67353  
    67354 Traceback (most recent call last): 
    67355 File
    67356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67357 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67358 if not self.draw_new_frame(): 
    67359 File
    67360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67361 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67362 changed = view.check_for_drawing_change() 
    67363 File
    67364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67365 packages/chimerax/core/graphics/view.py", line 252, in
    67366 check_for_drawing_change 
    67367 trig.activate_trigger('graphics update', self) 
    67368 File
    67369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67370 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67371 trigger.activate(data) 
    67372 File
    67373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67374 packages/chimerax/core/triggerset.py", line 190, in activate 
    67375 ret = handler.invoke(data, self._remove_bad_handlers) 
    67376 File
    67377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67378 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67379 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67380 File
    67381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67382 packages/chimerax/core/session.py", line 943, in <lambda> 
    67383 logger.report_exception(preface=preface)) 
    67384 File
    67385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67386 packages/chimerax/core/logger.py", line 421, in report_exception 
    67387 elif probably_chimera1_session(exc_info): 
    67388 File
    67389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67390 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67391 etype, evalue, etraceback = exc_info 
    67392 TypeError: cannot unpack non-iterable NoneType object 
    67393  
    67394 TypeError: cannot unpack non-iterable NoneType object 
    67395  
    67396 File
    67397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67398 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67399 etype, evalue, etraceback = exc_info 
    67400  
    67401 See log for complete Python traceback. 
    67402  
    67403 Traceback (most recent call last): 
    67404 File
    67405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67406 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67407 return self._func(self._name, data) 
    67408 File
    67409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67410 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67411 if v.display: 
    67412 File
    67413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67414 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67415 return self._any_displayed_positions and len(self._positions) > 0 
    67416 TypeError: object of type 'NoneType' has no len() 
    67417  
    67418 During handling of the above exception, another exception occurred: 
    67419  
    67420 Traceback (most recent call last): 
    67421 File
    67422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67423 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67424 if not self.draw_new_frame(): 
    67425 File
    67426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67427 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67428 changed = view.check_for_drawing_change() 
    67429 File
    67430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67431 packages/chimerax/core/graphics/view.py", line 252, in
    67432 check_for_drawing_change 
    67433 trig.activate_trigger('graphics update', self) 
    67434 File
    67435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67436 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67437 trigger.activate(data) 
    67438 File
    67439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67440 packages/chimerax/core/triggerset.py", line 190, in activate 
    67441 ret = handler.invoke(data, self._remove_bad_handlers) 
    67442 File
    67443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67444 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67445 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67446 File
    67447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67448 packages/chimerax/core/session.py", line 943, in <lambda> 
    67449 logger.report_exception(preface=preface)) 
    67450 File
    67451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67452 packages/chimerax/core/logger.py", line 421, in report_exception 
    67453 elif probably_chimera1_session(exc_info): 
    67454 File
    67455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67456 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67457 etype, evalue, etraceback = exc_info 
    67458 TypeError: cannot unpack non-iterable NoneType object 
    67459  
    67460 TypeError: cannot unpack non-iterable NoneType object 
    67461  
    67462 File
    67463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67464 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67465 etype, evalue, etraceback = exc_info 
    67466  
    67467 See log for complete Python traceback. 
    67468  
    67469 Traceback (most recent call last): 
    67470 File
    67471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67472 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67473 return self._func(self._name, data) 
    67474 File
    67475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67476 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67477 if v.display: 
    67478 File
    67479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67480 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67481 return self._any_displayed_positions and len(self._positions) > 0 
    67482 TypeError: object of type 'NoneType' has no len() 
    67483  
    67484 During handling of the above exception, another exception occurred: 
    67485  
    67486 Traceback (most recent call last): 
    67487 File
    67488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67489 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67490 if not self.draw_new_frame(): 
    67491 File
    67492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67493 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67494 changed = view.check_for_drawing_change() 
    67495 File
    67496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67497 packages/chimerax/core/graphics/view.py", line 252, in
    67498 check_for_drawing_change 
    67499 trig.activate_trigger('graphics update', self) 
    67500 File
    67501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67502 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67503 trigger.activate(data) 
    67504 File
    67505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67506 packages/chimerax/core/triggerset.py", line 190, in activate 
    67507 ret = handler.invoke(data, self._remove_bad_handlers) 
    67508 File
    67509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67510 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67511 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67512 File
    67513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67514 packages/chimerax/core/session.py", line 943, in <lambda> 
    67515 logger.report_exception(preface=preface)) 
    67516 File
    67517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67518 packages/chimerax/core/logger.py", line 421, in report_exception 
    67519 elif probably_chimera1_session(exc_info): 
    67520 File
    67521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67522 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67523 etype, evalue, etraceback = exc_info 
    67524 TypeError: cannot unpack non-iterable NoneType object 
    67525  
    67526 TypeError: cannot unpack non-iterable NoneType object 
    67527  
    67528 File
    67529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67530 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67531 etype, evalue, etraceback = exc_info 
    67532  
    67533 See log for complete Python traceback. 
    67534  
    67535 Traceback (most recent call last): 
    67536 File
    67537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67538 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67539 return self._func(self._name, data) 
    67540 File
    67541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67542 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67543 if v.display: 
    67544 File
    67545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67546 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67547 return self._any_displayed_positions and len(self._positions) > 0 
    67548 TypeError: object of type 'NoneType' has no len() 
    67549  
    67550 During handling of the above exception, another exception occurred: 
    67551  
    67552 Traceback (most recent call last): 
    67553 File
    67554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67555 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67556 if not self.draw_new_frame(): 
    67557 File
    67558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67559 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67560 changed = view.check_for_drawing_change() 
    67561 File
    67562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67563 packages/chimerax/core/graphics/view.py", line 252, in
    67564 check_for_drawing_change 
    67565 trig.activate_trigger('graphics update', self) 
    67566 File
    67567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67568 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67569 trigger.activate(data) 
    67570 File
    67571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67572 packages/chimerax/core/triggerset.py", line 190, in activate 
    67573 ret = handler.invoke(data, self._remove_bad_handlers) 
    67574 File
    67575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67576 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67577 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67578 File
    67579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67580 packages/chimerax/core/session.py", line 943, in <lambda> 
    67581 logger.report_exception(preface=preface)) 
    67582 File
    67583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67584 packages/chimerax/core/logger.py", line 421, in report_exception 
    67585 elif probably_chimera1_session(exc_info): 
    67586 File
    67587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67588 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67589 etype, evalue, etraceback = exc_info 
    67590 TypeError: cannot unpack non-iterable NoneType object 
    67591  
    67592 TypeError: cannot unpack non-iterable NoneType object 
    67593  
    67594 File
    67595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67596 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67597 etype, evalue, etraceback = exc_info 
    67598  
    67599 See log for complete Python traceback. 
    67600  
    67601 Traceback (most recent call last): 
    67602 File
    67603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67604 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67605 return self._func(self._name, data) 
    67606 File
    67607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67608 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67609 if v.display: 
    67610 File
    67611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67612 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67613 return self._any_displayed_positions and len(self._positions) > 0 
    67614 TypeError: object of type 'NoneType' has no len() 
    67615  
    67616 During handling of the above exception, another exception occurred: 
    67617  
    67618 Traceback (most recent call last): 
    67619 File
    67620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67621 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67622 if not self.draw_new_frame(): 
    67623 File
    67624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67625 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67626 changed = view.check_for_drawing_change() 
    67627 File
    67628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67629 packages/chimerax/core/graphics/view.py", line 252, in
    67630 check_for_drawing_change 
    67631 trig.activate_trigger('graphics update', self) 
    67632 File
    67633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67634 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67635 trigger.activate(data) 
    67636 File
    67637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67638 packages/chimerax/core/triggerset.py", line 190, in activate 
    67639 ret = handler.invoke(data, self._remove_bad_handlers) 
    67640 File
    67641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67642 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67643 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67644 File
    67645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67646 packages/chimerax/core/session.py", line 943, in <lambda> 
    67647 logger.report_exception(preface=preface)) 
    67648 File
    67649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67650 packages/chimerax/core/logger.py", line 421, in report_exception 
    67651 elif probably_chimera1_session(exc_info): 
    67652 File
    67653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67654 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67655 etype, evalue, etraceback = exc_info 
    67656 TypeError: cannot unpack non-iterable NoneType object 
    67657  
    67658 TypeError: cannot unpack non-iterable NoneType object 
    67659  
    67660 File
    67661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67662 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67663 etype, evalue, etraceback = exc_info 
    67664  
    67665 See log for complete Python traceback. 
    67666  
    67667 Traceback (most recent call last): 
    67668 File
    67669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67670 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67671 return self._func(self._name, data) 
    67672 File
    67673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67674 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67675 if v.display: 
    67676 File
    67677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67678 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67679 return self._any_displayed_positions and len(self._positions) > 0 
    67680 TypeError: object of type 'NoneType' has no len() 
    67681  
    67682 During handling of the above exception, another exception occurred: 
    67683  
    67684 Traceback (most recent call last): 
    67685 File
    67686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67687 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67688 if not self.draw_new_frame(): 
    67689 File
    67690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67691 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67692 changed = view.check_for_drawing_change() 
    67693 File
    67694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67695 packages/chimerax/core/graphics/view.py", line 252, in
    67696 check_for_drawing_change 
    67697 trig.activate_trigger('graphics update', self) 
    67698 File
    67699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67700 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67701 trigger.activate(data) 
    67702 File
    67703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67704 packages/chimerax/core/triggerset.py", line 190, in activate 
    67705 ret = handler.invoke(data, self._remove_bad_handlers) 
    67706 File
    67707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67708 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67709 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67710 File
    67711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67712 packages/chimerax/core/session.py", line 943, in <lambda> 
    67713 logger.report_exception(preface=preface)) 
    67714 File
    67715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67716 packages/chimerax/core/logger.py", line 421, in report_exception 
    67717 elif probably_chimera1_session(exc_info): 
    67718 File
    67719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67720 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67721 etype, evalue, etraceback = exc_info 
    67722 TypeError: cannot unpack non-iterable NoneType object 
    67723  
    67724 TypeError: cannot unpack non-iterable NoneType object 
    67725  
    67726 File
    67727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67728 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67729 etype, evalue, etraceback = exc_info 
    67730  
    67731 See log for complete Python traceback. 
    67732  
    67733 Traceback (most recent call last): 
    67734 File
    67735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67736 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67737 return self._func(self._name, data) 
    67738 File
    67739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67740 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67741 if v.display: 
    67742 File
    67743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67744 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67745 return self._any_displayed_positions and len(self._positions) > 0 
    67746 TypeError: object of type 'NoneType' has no len() 
    67747  
    67748 During handling of the above exception, another exception occurred: 
    67749  
    67750 Traceback (most recent call last): 
    67751 File
    67752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67753 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67754 if not self.draw_new_frame(): 
    67755 File
    67756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67757 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67758 changed = view.check_for_drawing_change() 
    67759 File
    67760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67761 packages/chimerax/core/graphics/view.py", line 252, in
    67762 check_for_drawing_change 
    67763 trig.activate_trigger('graphics update', self) 
    67764 File
    67765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67766 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67767 trigger.activate(data) 
    67768 File
    67769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67770 packages/chimerax/core/triggerset.py", line 190, in activate 
    67771 ret = handler.invoke(data, self._remove_bad_handlers) 
    67772 File
    67773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67774 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67775 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67776 File
    67777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67778 packages/chimerax/core/session.py", line 943, in <lambda> 
    67779 logger.report_exception(preface=preface)) 
    67780 File
    67781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67782 packages/chimerax/core/logger.py", line 421, in report_exception 
    67783 elif probably_chimera1_session(exc_info): 
    67784 File
    67785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67786 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67787 etype, evalue, etraceback = exc_info 
    67788 TypeError: cannot unpack non-iterable NoneType object 
    67789  
    67790 TypeError: cannot unpack non-iterable NoneType object 
    67791  
    67792 File
    67793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67794 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67795 etype, evalue, etraceback = exc_info 
    67796  
    67797 See log for complete Python traceback. 
    67798  
    67799 Traceback (most recent call last): 
    67800 File
    67801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67802 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67803 return self._func(self._name, data) 
    67804 File
    67805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67806 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67807 if v.display: 
    67808 File
    67809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67810 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67811 return self._any_displayed_positions and len(self._positions) > 0 
    67812 TypeError: object of type 'NoneType' has no len() 
    67813  
    67814 During handling of the above exception, another exception occurred: 
    67815  
    67816 Traceback (most recent call last): 
    67817 File
    67818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67819 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67820 if not self.draw_new_frame(): 
    67821 File
    67822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67823 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67824 changed = view.check_for_drawing_change() 
    67825 File
    67826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67827 packages/chimerax/core/graphics/view.py", line 252, in
    67828 check_for_drawing_change 
    67829 trig.activate_trigger('graphics update', self) 
    67830 File
    67831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67832 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67833 trigger.activate(data) 
    67834 File
    67835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67836 packages/chimerax/core/triggerset.py", line 190, in activate 
    67837 ret = handler.invoke(data, self._remove_bad_handlers) 
    67838 File
    67839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67840 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67841 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67842 File
    67843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67844 packages/chimerax/core/session.py", line 943, in <lambda> 
    67845 logger.report_exception(preface=preface)) 
    67846 File
    67847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67848 packages/chimerax/core/logger.py", line 421, in report_exception 
    67849 elif probably_chimera1_session(exc_info): 
    67850 File
    67851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67852 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67853 etype, evalue, etraceback = exc_info 
    67854 TypeError: cannot unpack non-iterable NoneType object 
    67855  
    67856 TypeError: cannot unpack non-iterable NoneType object 
    67857  
    67858 File
    67859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67860 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67861 etype, evalue, etraceback = exc_info 
    67862  
    67863 See log for complete Python traceback. 
    67864  
    67865 Traceback (most recent call last): 
    67866 File
    67867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67869 return self._func(self._name, data) 
    67870 File
    67871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67872 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67873 if v.display: 
    67874 File
    67875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67876 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67877 return self._any_displayed_positions and len(self._positions) > 0 
    67878 TypeError: object of type 'NoneType' has no len() 
    67879  
    67880 During handling of the above exception, another exception occurred: 
    67881  
    67882 Traceback (most recent call last): 
    67883 File
    67884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67885 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67886 if not self.draw_new_frame(): 
    67887 File
    67888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67889 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67890 changed = view.check_for_drawing_change() 
    67891 File
    67892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67893 packages/chimerax/core/graphics/view.py", line 252, in
    67894 check_for_drawing_change 
    67895 trig.activate_trigger('graphics update', self) 
    67896 File
    67897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67898 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67899 trigger.activate(data) 
    67900 File
    67901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67902 packages/chimerax/core/triggerset.py", line 190, in activate 
    67903 ret = handler.invoke(data, self._remove_bad_handlers) 
    67904 File
    67905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67906 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67907 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67908 File
    67909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67910 packages/chimerax/core/session.py", line 943, in <lambda> 
    67911 logger.report_exception(preface=preface)) 
    67912 File
    67913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67914 packages/chimerax/core/logger.py", line 421, in report_exception 
    67915 elif probably_chimera1_session(exc_info): 
    67916 File
    67917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67918 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67919 etype, evalue, etraceback = exc_info 
    67920 TypeError: cannot unpack non-iterable NoneType object 
    67921  
    67922 TypeError: cannot unpack non-iterable NoneType object 
    67923  
    67924 File
    67925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67926 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67927 etype, evalue, etraceback = exc_info 
    67928  
    67929 See log for complete Python traceback. 
    67930  
    67931 Traceback (most recent call last): 
    67932 File
    67933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67934 packages/chimerax/core/triggerset.py", line 130, in invoke 
    67935 return self._func(self._name, data) 
    67936 File
    67937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67938 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    67939 if v.display: 
    67940 File
    67941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67942 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    67943 return self._any_displayed_positions and len(self._positions) > 0 
    67944 TypeError: object of type 'NoneType' has no len() 
    67945  
    67946 During handling of the above exception, another exception occurred: 
    67947  
    67948 Traceback (most recent call last): 
    67949 File
    67950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67951 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    67952 if not self.draw_new_frame(): 
    67953 File
    67954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67955 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    67956 changed = view.check_for_drawing_change() 
    67957 File
    67958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67959 packages/chimerax/core/graphics/view.py", line 252, in
    67960 check_for_drawing_change 
    67961 trig.activate_trigger('graphics update', self) 
    67962 File
    67963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67964 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    67965 trigger.activate(data) 
    67966 File
    67967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67968 packages/chimerax/core/triggerset.py", line 190, in activate 
    67969 ret = handler.invoke(data, self._remove_bad_handlers) 
    67970 File
    67971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67972 packages/chimerax/core/triggerset.py", line 132, in invoke 
    67973 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    67974 File
    67975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67976 packages/chimerax/core/session.py", line 943, in <lambda> 
    67977 logger.report_exception(preface=preface)) 
    67978 File
    67979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67980 packages/chimerax/core/logger.py", line 421, in report_exception 
    67981 elif probably_chimera1_session(exc_info): 
    67982 File
    67983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67984 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67985 etype, evalue, etraceback = exc_info 
    67986 TypeError: cannot unpack non-iterable NoneType object 
    67987  
    67988 TypeError: cannot unpack non-iterable NoneType object 
    67989  
    67990 File
    67991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    67992 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    67993 etype, evalue, etraceback = exc_info 
    67994  
    67995 See log for complete Python traceback. 
    67996  
    67997 Traceback (most recent call last): 
    67998 File
    67999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68000 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68001 return self._func(self._name, data) 
    68002 File
    68003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68004 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68005 if v.display: 
    68006 File
    68007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68008 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68009 return self._any_displayed_positions and len(self._positions) > 0 
    68010 TypeError: object of type 'NoneType' has no len() 
    68011  
    68012 During handling of the above exception, another exception occurred: 
    68013  
    68014 Traceback (most recent call last): 
    68015 File
    68016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68017 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68018 if not self.draw_new_frame(): 
    68019 File
    68020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68021 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68022 changed = view.check_for_drawing_change() 
    68023 File
    68024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68025 packages/chimerax/core/graphics/view.py", line 252, in
    68026 check_for_drawing_change 
    68027 trig.activate_trigger('graphics update', self) 
    68028 File
    68029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68030 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68031 trigger.activate(data) 
    68032 File
    68033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68034 packages/chimerax/core/triggerset.py", line 190, in activate 
    68035 ret = handler.invoke(data, self._remove_bad_handlers) 
    68036 File
    68037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68038 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68039 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68040 File
    68041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68042 packages/chimerax/core/session.py", line 943, in <lambda> 
    68043 logger.report_exception(preface=preface)) 
    68044 File
    68045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68046 packages/chimerax/core/logger.py", line 421, in report_exception 
    68047 elif probably_chimera1_session(exc_info): 
    68048 File
    68049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68050 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68051 etype, evalue, etraceback = exc_info 
    68052 TypeError: cannot unpack non-iterable NoneType object 
    68053  
    68054 TypeError: cannot unpack non-iterable NoneType object 
    68055  
    68056 File
    68057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68058 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68059 etype, evalue, etraceback = exc_info 
    68060  
    68061 See log for complete Python traceback. 
    68062  
    68063 Traceback (most recent call last): 
    68064 File
    68065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68066 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68067 return self._func(self._name, data) 
    68068 File
    68069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68070 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68071 if v.display: 
    68072 File
    68073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68074 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68075 return self._any_displayed_positions and len(self._positions) > 0 
    68076 TypeError: object of type 'NoneType' has no len() 
    68077  
    68078 During handling of the above exception, another exception occurred: 
    68079  
    68080 Traceback (most recent call last): 
    68081 File
    68082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68083 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68084 if not self.draw_new_frame(): 
    68085 File
    68086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68087 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68088 changed = view.check_for_drawing_change() 
    68089 File
    68090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68091 packages/chimerax/core/graphics/view.py", line 252, in
    68092 check_for_drawing_change 
    68093 trig.activate_trigger('graphics update', self) 
    68094 File
    68095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68096 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68097 trigger.activate(data) 
    68098 File
    68099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68100 packages/chimerax/core/triggerset.py", line 190, in activate 
    68101 ret = handler.invoke(data, self._remove_bad_handlers) 
    68102 File
    68103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68104 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68105 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68106 File
    68107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68108 packages/chimerax/core/session.py", line 943, in <lambda> 
    68109 logger.report_exception(preface=preface)) 
    68110 File
    68111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68112 packages/chimerax/core/logger.py", line 421, in report_exception 
    68113 elif probably_chimera1_session(exc_info): 
    68114 File
    68115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68116 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68117 etype, evalue, etraceback = exc_info 
    68118 TypeError: cannot unpack non-iterable NoneType object 
    68119  
    68120 TypeError: cannot unpack non-iterable NoneType object 
    68121  
    68122 File
    68123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68124 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68125 etype, evalue, etraceback = exc_info 
    68126  
    68127 See log for complete Python traceback. 
    68128  
    68129 Traceback (most recent call last): 
    68130 File
    68131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68132 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68133 return self._func(self._name, data) 
    68134 File
    68135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68136 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68137 if v.display: 
    68138 File
    68139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68140 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68141 return self._any_displayed_positions and len(self._positions) > 0 
    68142 TypeError: object of type 'NoneType' has no len() 
    68143  
    68144 During handling of the above exception, another exception occurred: 
    68145  
    68146 Traceback (most recent call last): 
    68147 File
    68148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68149 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68150 if not self.draw_new_frame(): 
    68151 File
    68152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68153 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68154 changed = view.check_for_drawing_change() 
    68155 File
    68156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68157 packages/chimerax/core/graphics/view.py", line 252, in
    68158 check_for_drawing_change 
    68159 trig.activate_trigger('graphics update', self) 
    68160 File
    68161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68162 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68163 trigger.activate(data) 
    68164 File
    68165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68166 packages/chimerax/core/triggerset.py", line 190, in activate 
    68167 ret = handler.invoke(data, self._remove_bad_handlers) 
    68168 File
    68169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68170 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68171 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68172 File
    68173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68174 packages/chimerax/core/session.py", line 943, in <lambda> 
    68175 logger.report_exception(preface=preface)) 
    68176 File
    68177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68178 packages/chimerax/core/logger.py", line 421, in report_exception 
    68179 elif probably_chimera1_session(exc_info): 
    68180 File
    68181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68182 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68183 etype, evalue, etraceback = exc_info 
    68184 TypeError: cannot unpack non-iterable NoneType object 
    68185  
    68186 TypeError: cannot unpack non-iterable NoneType object 
    68187  
    68188 File
    68189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68190 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68191 etype, evalue, etraceback = exc_info 
    68192  
    68193 See log for complete Python traceback. 
    68194  
    68195 Traceback (most recent call last): 
    68196 File
    68197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68198 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68199 return self._func(self._name, data) 
    68200 File
    68201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68202 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68203 if v.display: 
    68204 File
    68205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68206 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68207 return self._any_displayed_positions and len(self._positions) > 0 
    68208 TypeError: object of type 'NoneType' has no len() 
    68209  
    68210 During handling of the above exception, another exception occurred: 
    68211  
    68212 Traceback (most recent call last): 
    68213 File
    68214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68215 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68216 if not self.draw_new_frame(): 
    68217 File
    68218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68219 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68220 changed = view.check_for_drawing_change() 
    68221 File
    68222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68223 packages/chimerax/core/graphics/view.py", line 252, in
    68224 check_for_drawing_change 
    68225 trig.activate_trigger('graphics update', self) 
    68226 File
    68227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68228 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68229 trigger.activate(data) 
    68230 File
    68231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68232 packages/chimerax/core/triggerset.py", line 190, in activate 
    68233 ret = handler.invoke(data, self._remove_bad_handlers) 
    68234 File
    68235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68236 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68237 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68238 File
    68239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68240 packages/chimerax/core/session.py", line 943, in <lambda> 
    68241 logger.report_exception(preface=preface)) 
    68242 File
    68243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68244 packages/chimerax/core/logger.py", line 421, in report_exception 
    68245 elif probably_chimera1_session(exc_info): 
    68246 File
    68247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68248 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68249 etype, evalue, etraceback = exc_info 
    68250 TypeError: cannot unpack non-iterable NoneType object 
    68251  
    68252 TypeError: cannot unpack non-iterable NoneType object 
    68253  
    68254 File
    68255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68256 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68257 etype, evalue, etraceback = exc_info 
    68258  
    68259 See log for complete Python traceback. 
    68260  
    68261 Traceback (most recent call last): 
    68262 File
    68263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68264 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68265 return self._func(self._name, data) 
    68266 File
    68267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68268 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68269 if v.display: 
    68270 File
    68271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68272 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68273 return self._any_displayed_positions and len(self._positions) > 0 
    68274 TypeError: object of type 'NoneType' has no len() 
    68275  
    68276 During handling of the above exception, another exception occurred: 
    68277  
    68278 Traceback (most recent call last): 
    68279 File
    68280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68281 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68282 if not self.draw_new_frame(): 
    68283 File
    68284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68285 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68286 changed = view.check_for_drawing_change() 
    68287 File
    68288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68289 packages/chimerax/core/graphics/view.py", line 252, in
    68290 check_for_drawing_change 
    68291 trig.activate_trigger('graphics update', self) 
    68292 File
    68293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68294 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68295 trigger.activate(data) 
    68296 File
    68297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68298 packages/chimerax/core/triggerset.py", line 190, in activate 
    68299 ret = handler.invoke(data, self._remove_bad_handlers) 
    68300 File
    68301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68302 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68303 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68304 File
    68305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68306 packages/chimerax/core/session.py", line 943, in <lambda> 
    68307 logger.report_exception(preface=preface)) 
    68308 File
    68309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68310 packages/chimerax/core/logger.py", line 421, in report_exception 
    68311 elif probably_chimera1_session(exc_info): 
    68312 File
    68313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68314 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68315 etype, evalue, etraceback = exc_info 
    68316 TypeError: cannot unpack non-iterable NoneType object 
    68317  
    68318 TypeError: cannot unpack non-iterable NoneType object 
    68319  
    68320 File
    68321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68322 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68323 etype, evalue, etraceback = exc_info 
    68324  
    68325 See log for complete Python traceback. 
    68326  
    68327 Traceback (most recent call last): 
    68328 File
    68329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68330 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68331 return self._func(self._name, data) 
    68332 File
    68333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68334 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68335 if v.display: 
    68336 File
    68337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68338 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68339 return self._any_displayed_positions and len(self._positions) > 0 
    68340 TypeError: object of type 'NoneType' has no len() 
    68341  
    68342 During handling of the above exception, another exception occurred: 
    68343  
    68344 Traceback (most recent call last): 
    68345 File
    68346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68347 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68348 if not self.draw_new_frame(): 
    68349 File
    68350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68351 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68352 changed = view.check_for_drawing_change() 
    68353 File
    68354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68355 packages/chimerax/core/graphics/view.py", line 252, in
    68356 check_for_drawing_change 
    68357 trig.activate_trigger('graphics update', self) 
    68358 File
    68359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68360 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68361 trigger.activate(data) 
    68362 File
    68363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68364 packages/chimerax/core/triggerset.py", line 190, in activate 
    68365 ret = handler.invoke(data, self._remove_bad_handlers) 
    68366 File
    68367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68368 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68369 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68370 File
    68371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68372 packages/chimerax/core/session.py", line 943, in <lambda> 
    68373 logger.report_exception(preface=preface)) 
    68374 File
    68375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68376 packages/chimerax/core/logger.py", line 421, in report_exception 
    68377 elif probably_chimera1_session(exc_info): 
    68378 File
    68379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68380 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68381 etype, evalue, etraceback = exc_info 
    68382 TypeError: cannot unpack non-iterable NoneType object 
    68383  
    68384 TypeError: cannot unpack non-iterable NoneType object 
    68385  
    68386 File
    68387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68388 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68389 etype, evalue, etraceback = exc_info 
    68390  
    68391 See log for complete Python traceback. 
    68392  
    68393 Traceback (most recent call last): 
    68394 File
    68395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68396 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68397 return self._func(self._name, data) 
    68398 File
    68399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68400 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68401 if v.display: 
    68402 File
    68403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68404 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68405 return self._any_displayed_positions and len(self._positions) > 0 
    68406 TypeError: object of type 'NoneType' has no len() 
    68407  
    68408 During handling of the above exception, another exception occurred: 
    68409  
    68410 Traceback (most recent call last): 
    68411 File
    68412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68413 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68414 if not self.draw_new_frame(): 
    68415 File
    68416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68417 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68418 changed = view.check_for_drawing_change() 
    68419 File
    68420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68421 packages/chimerax/core/graphics/view.py", line 252, in
    68422 check_for_drawing_change 
    68423 trig.activate_trigger('graphics update', self) 
    68424 File
    68425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68426 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68427 trigger.activate(data) 
    68428 File
    68429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68430 packages/chimerax/core/triggerset.py", line 190, in activate 
    68431 ret = handler.invoke(data, self._remove_bad_handlers) 
    68432 File
    68433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68434 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68435 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68436 File
    68437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68438 packages/chimerax/core/session.py", line 943, in <lambda> 
    68439 logger.report_exception(preface=preface)) 
    68440 File
    68441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68442 packages/chimerax/core/logger.py", line 421, in report_exception 
    68443 elif probably_chimera1_session(exc_info): 
    68444 File
    68445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68446 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68447 etype, evalue, etraceback = exc_info 
    68448 TypeError: cannot unpack non-iterable NoneType object 
    68449  
    68450 TypeError: cannot unpack non-iterable NoneType object 
    68451  
    68452 File
    68453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68454 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68455 etype, evalue, etraceback = exc_info 
    68456  
    68457 See log for complete Python traceback. 
    68458  
    68459 Traceback (most recent call last): 
    68460 File
    68461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68462 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68463 return self._func(self._name, data) 
    68464 File
    68465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68466 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68467 if v.display: 
    68468 File
    68469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68470 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68471 return self._any_displayed_positions and len(self._positions) > 0 
    68472 TypeError: object of type 'NoneType' has no len() 
    68473  
    68474 During handling of the above exception, another exception occurred: 
    68475  
    68476 Traceback (most recent call last): 
    68477 File
    68478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68479 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68480 if not self.draw_new_frame(): 
    68481 File
    68482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68483 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68484 changed = view.check_for_drawing_change() 
    68485 File
    68486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68487 packages/chimerax/core/graphics/view.py", line 252, in
    68488 check_for_drawing_change 
    68489 trig.activate_trigger('graphics update', self) 
    68490 File
    68491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68492 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68493 trigger.activate(data) 
    68494 File
    68495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68496 packages/chimerax/core/triggerset.py", line 190, in activate 
    68497 ret = handler.invoke(data, self._remove_bad_handlers) 
    68498 File
    68499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68500 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68501 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68502 File
    68503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68504 packages/chimerax/core/session.py", line 943, in <lambda> 
    68505 logger.report_exception(preface=preface)) 
    68506 File
    68507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68508 packages/chimerax/core/logger.py", line 421, in report_exception 
    68509 elif probably_chimera1_session(exc_info): 
    68510 File
    68511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68512 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68513 etype, evalue, etraceback = exc_info 
    68514 TypeError: cannot unpack non-iterable NoneType object 
    68515  
    68516 TypeError: cannot unpack non-iterable NoneType object 
    68517  
    68518 File
    68519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68520 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68521 etype, evalue, etraceback = exc_info 
    68522  
    68523 See log for complete Python traceback. 
    68524  
    68525 Traceback (most recent call last): 
    68526 File
    68527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68528 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68529 return self._func(self._name, data) 
    68530 File
    68531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68532 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68533 if v.display: 
    68534 File
    68535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68536 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68537 return self._any_displayed_positions and len(self._positions) > 0 
    68538 TypeError: object of type 'NoneType' has no len() 
    68539  
    68540 During handling of the above exception, another exception occurred: 
    68541  
    68542 Traceback (most recent call last): 
    68543 File
    68544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68545 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68546 if not self.draw_new_frame(): 
    68547 File
    68548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68549 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68550 changed = view.check_for_drawing_change() 
    68551 File
    68552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68553 packages/chimerax/core/graphics/view.py", line 252, in
    68554 check_for_drawing_change 
    68555 trig.activate_trigger('graphics update', self) 
    68556 File
    68557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68558 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68559 trigger.activate(data) 
    68560 File
    68561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68562 packages/chimerax/core/triggerset.py", line 190, in activate 
    68563 ret = handler.invoke(data, self._remove_bad_handlers) 
    68564 File
    68565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68566 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68567 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68568 File
    68569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68570 packages/chimerax/core/session.py", line 943, in <lambda> 
    68571 logger.report_exception(preface=preface)) 
    68572 File
    68573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68574 packages/chimerax/core/logger.py", line 421, in report_exception 
    68575 elif probably_chimera1_session(exc_info): 
    68576 File
    68577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68578 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68579 etype, evalue, etraceback = exc_info 
    68580 TypeError: cannot unpack non-iterable NoneType object 
    68581  
    68582 TypeError: cannot unpack non-iterable NoneType object 
    68583  
    68584 File
    68585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68586 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68587 etype, evalue, etraceback = exc_info 
    68588  
    68589 See log for complete Python traceback. 
    68590  
    68591 Traceback (most recent call last): 
    68592 File
    68593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68594 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68595 return self._func(self._name, data) 
    68596 File
    68597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68598 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68599 if v.display: 
    68600 File
    68601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68602 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68603 return self._any_displayed_positions and len(self._positions) > 0 
    68604 TypeError: object of type 'NoneType' has no len() 
    68605  
    68606 During handling of the above exception, another exception occurred: 
    68607  
    68608 Traceback (most recent call last): 
    68609 File
    68610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68611 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68612 if not self.draw_new_frame(): 
    68613 File
    68614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68615 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68616 changed = view.check_for_drawing_change() 
    68617 File
    68618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68619 packages/chimerax/core/graphics/view.py", line 252, in
    68620 check_for_drawing_change 
    68621 trig.activate_trigger('graphics update', self) 
    68622 File
    68623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68624 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68625 trigger.activate(data) 
    68626 File
    68627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68628 packages/chimerax/core/triggerset.py", line 190, in activate 
    68629 ret = handler.invoke(data, self._remove_bad_handlers) 
    68630 File
    68631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68632 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68633 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68634 File
    68635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68636 packages/chimerax/core/session.py", line 943, in <lambda> 
    68637 logger.report_exception(preface=preface)) 
    68638 File
    68639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68640 packages/chimerax/core/logger.py", line 421, in report_exception 
    68641 elif probably_chimera1_session(exc_info): 
    68642 File
    68643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68644 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68645 etype, evalue, etraceback = exc_info 
    68646 TypeError: cannot unpack non-iterable NoneType object 
    68647  
    68648 TypeError: cannot unpack non-iterable NoneType object 
    68649  
    68650 File
    68651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68652 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68653 etype, evalue, etraceback = exc_info 
    68654  
    68655 See log for complete Python traceback. 
    68656  
    68657 Traceback (most recent call last): 
    68658 File
    68659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68660 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68661 return self._func(self._name, data) 
    68662 File
    68663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68664 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68665 if v.display: 
    68666 File
    68667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68668 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68669 return self._any_displayed_positions and len(self._positions) > 0 
    68670 TypeError: object of type 'NoneType' has no len() 
    68671  
    68672 During handling of the above exception, another exception occurred: 
    68673  
    68674 Traceback (most recent call last): 
    68675 File
    68676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68677 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68678 if not self.draw_new_frame(): 
    68679 File
    68680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68681 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68682 changed = view.check_for_drawing_change() 
    68683 File
    68684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68685 packages/chimerax/core/graphics/view.py", line 252, in
    68686 check_for_drawing_change 
    68687 trig.activate_trigger('graphics update', self) 
    68688 File
    68689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68690 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68691 trigger.activate(data) 
    68692 File
    68693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68694 packages/chimerax/core/triggerset.py", line 190, in activate 
    68695 ret = handler.invoke(data, self._remove_bad_handlers) 
    68696 File
    68697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68698 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68699 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68700 File
    68701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68702 packages/chimerax/core/session.py", line 943, in <lambda> 
    68703 logger.report_exception(preface=preface)) 
    68704 File
    68705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68706 packages/chimerax/core/logger.py", line 421, in report_exception 
    68707 elif probably_chimera1_session(exc_info): 
    68708 File
    68709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68710 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68711 etype, evalue, etraceback = exc_info 
    68712 TypeError: cannot unpack non-iterable NoneType object 
    68713  
    68714 TypeError: cannot unpack non-iterable NoneType object 
    68715  
    68716 File
    68717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68718 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68719 etype, evalue, etraceback = exc_info 
    68720  
    68721 See log for complete Python traceback. 
    68722  
    68723 Traceback (most recent call last): 
    68724 File
    68725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68726 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68727 return self._func(self._name, data) 
    68728 File
    68729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68730 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68731 if v.display: 
    68732 File
    68733 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68734 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68735 return self._any_displayed_positions and len(self._positions) > 0 
    68736 TypeError: object of type 'NoneType' has no len() 
    68737  
    68738 During handling of the above exception, another exception occurred: 
    68739  
    68740 Traceback (most recent call last): 
    68741 File
    68742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68743 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68744 if not self.draw_new_frame(): 
    68745 File
    68746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68747 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68748 changed = view.check_for_drawing_change() 
    68749 File
    68750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68751 packages/chimerax/core/graphics/view.py", line 252, in
    68752 check_for_drawing_change 
    68753 trig.activate_trigger('graphics update', self) 
    68754 File
    68755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68756 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68757 trigger.activate(data) 
    68758 File
    68759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68760 packages/chimerax/core/triggerset.py", line 190, in activate 
    68761 ret = handler.invoke(data, self._remove_bad_handlers) 
    68762 File
    68763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68764 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68765 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68766 File
    68767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68768 packages/chimerax/core/session.py", line 943, in <lambda> 
    68769 logger.report_exception(preface=preface)) 
    68770 File
    68771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68772 packages/chimerax/core/logger.py", line 421, in report_exception 
    68773 elif probably_chimera1_session(exc_info): 
    68774 File
    68775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68776 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68777 etype, evalue, etraceback = exc_info 
    68778 TypeError: cannot unpack non-iterable NoneType object 
    68779  
    68780 TypeError: cannot unpack non-iterable NoneType object 
    68781  
    68782 File
    68783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68784 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68785 etype, evalue, etraceback = exc_info 
    68786  
    68787 See log for complete Python traceback. 
    68788  
    68789 Traceback (most recent call last): 
    68790 File
    68791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68792 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68793 return self._func(self._name, data) 
    68794 File
    68795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68796 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68797 if v.display: 
    68798 File
    68799 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68800 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68801 return self._any_displayed_positions and len(self._positions) > 0 
    68802 TypeError: object of type 'NoneType' has no len() 
    68803  
    68804 During handling of the above exception, another exception occurred: 
    68805  
    68806 Traceback (most recent call last): 
    68807 File
    68808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68809 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68810 if not self.draw_new_frame(): 
    68811 File
    68812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68813 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68814 changed = view.check_for_drawing_change() 
    68815 File
    68816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68817 packages/chimerax/core/graphics/view.py", line 252, in
    68818 check_for_drawing_change 
    68819 trig.activate_trigger('graphics update', self) 
    68820 File
    68821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68822 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68823 trigger.activate(data) 
    68824 File
    68825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68826 packages/chimerax/core/triggerset.py", line 190, in activate 
    68827 ret = handler.invoke(data, self._remove_bad_handlers) 
    68828 File
    68829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68830 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68831 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68832 File
    68833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68834 packages/chimerax/core/session.py", line 943, in <lambda> 
    68835 logger.report_exception(preface=preface)) 
    68836 File
    68837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68838 packages/chimerax/core/logger.py", line 421, in report_exception 
    68839 elif probably_chimera1_session(exc_info): 
    68840 File
    68841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68842 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68843 etype, evalue, etraceback = exc_info 
    68844 TypeError: cannot unpack non-iterable NoneType object 
    68845  
    68846 TypeError: cannot unpack non-iterable NoneType object 
    68847  
    68848 File
    68849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68850 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68851 etype, evalue, etraceback = exc_info 
    68852  
    68853 See log for complete Python traceback. 
    68854  
    68855 Traceback (most recent call last): 
    68856 File
    68857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68858 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68859 return self._func(self._name, data) 
    68860 File
    68861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68862 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68863 if v.display: 
    68864 File
    68865 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68866 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68867 return self._any_displayed_positions and len(self._positions) > 0 
    68868 TypeError: object of type 'NoneType' has no len() 
    68869  
    68870 During handling of the above exception, another exception occurred: 
    68871  
    68872 Traceback (most recent call last): 
    68873 File
    68874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68875 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68876 if not self.draw_new_frame(): 
    68877 File
    68878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68879 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68880 changed = view.check_for_drawing_change() 
    68881 File
    68882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68883 packages/chimerax/core/graphics/view.py", line 252, in
    68884 check_for_drawing_change 
    68885 trig.activate_trigger('graphics update', self) 
    68886 File
    68887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68888 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68889 trigger.activate(data) 
    68890 File
    68891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68892 packages/chimerax/core/triggerset.py", line 190, in activate 
    68893 ret = handler.invoke(data, self._remove_bad_handlers) 
    68894 File
    68895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68896 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68897 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68898 File
    68899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68900 packages/chimerax/core/session.py", line 943, in <lambda> 
    68901 logger.report_exception(preface=preface)) 
    68902 File
    68903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68904 packages/chimerax/core/logger.py", line 421, in report_exception 
    68905 elif probably_chimera1_session(exc_info): 
    68906 File
    68907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68908 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68909 etype, evalue, etraceback = exc_info 
    68910 TypeError: cannot unpack non-iterable NoneType object 
    68911  
    68912 TypeError: cannot unpack non-iterable NoneType object 
    68913  
    68914 File
    68915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68916 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68917 etype, evalue, etraceback = exc_info 
    68918  
    68919 See log for complete Python traceback. 
    68920  
    68921 Traceback (most recent call last): 
    68922 File
    68923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68924 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68925 return self._func(self._name, data) 
    68926 File
    68927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68928 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68929 if v.display: 
    68930 File
    68931 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68932 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68933 return self._any_displayed_positions and len(self._positions) > 0 
    68934 TypeError: object of type 'NoneType' has no len() 
    68935  
    68936 During handling of the above exception, another exception occurred: 
    68937  
    68938 Traceback (most recent call last): 
    68939 File
    68940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68941 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    68942 if not self.draw_new_frame(): 
    68943 File
    68944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68945 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    68946 changed = view.check_for_drawing_change() 
    68947 File
    68948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68949 packages/chimerax/core/graphics/view.py", line 252, in
    68950 check_for_drawing_change 
    68951 trig.activate_trigger('graphics update', self) 
    68952 File
    68953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68954 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    68955 trigger.activate(data) 
    68956 File
    68957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68958 packages/chimerax/core/triggerset.py", line 190, in activate 
    68959 ret = handler.invoke(data, self._remove_bad_handlers) 
    68960 File
    68961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68962 packages/chimerax/core/triggerset.py", line 132, in invoke 
    68963 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    68964 File
    68965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68966 packages/chimerax/core/session.py", line 943, in <lambda> 
    68967 logger.report_exception(preface=preface)) 
    68968 File
    68969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68970 packages/chimerax/core/logger.py", line 421, in report_exception 
    68971 elif probably_chimera1_session(exc_info): 
    68972 File
    68973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68974 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68975 etype, evalue, etraceback = exc_info 
    68976 TypeError: cannot unpack non-iterable NoneType object 
    68977  
    68978 TypeError: cannot unpack non-iterable NoneType object 
    68979  
    68980 File
    68981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68982 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    68983 etype, evalue, etraceback = exc_info 
    68984  
    68985 See log for complete Python traceback. 
    68986  
    68987 Traceback (most recent call last): 
    68988 File
    68989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68990 packages/chimerax/core/triggerset.py", line 130, in invoke 
    68991 return self._func(self._name, data) 
    68992 File
    68993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68994 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    68995 if v.display: 
    68996 File
    68997 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    68998 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    68999 return self._any_displayed_positions and len(self._positions) > 0 
    69000 TypeError: object of type 'NoneType' has no len() 
    69001  
    69002 During handling of the above exception, another exception occurred: 
    69003  
    69004 Traceback (most recent call last): 
    69005 File
    69006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69007 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69008 if not self.draw_new_frame(): 
    69009 File
    69010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69011 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69012 changed = view.check_for_drawing_change() 
    69013 File
    69014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69015 packages/chimerax/core/graphics/view.py", line 252, in
    69016 check_for_drawing_change 
    69017 trig.activate_trigger('graphics update', self) 
    69018 File
    69019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69020 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69021 trigger.activate(data) 
    69022 File
    69023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69024 packages/chimerax/core/triggerset.py", line 190, in activate 
    69025 ret = handler.invoke(data, self._remove_bad_handlers) 
    69026 File
    69027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69028 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69029 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69030 File
    69031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69032 packages/chimerax/core/session.py", line 943, in <lambda> 
    69033 logger.report_exception(preface=preface)) 
    69034 File
    69035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69036 packages/chimerax/core/logger.py", line 421, in report_exception 
    69037 elif probably_chimera1_session(exc_info): 
    69038 File
    69039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69040 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69041 etype, evalue, etraceback = exc_info 
    69042 TypeError: cannot unpack non-iterable NoneType object 
    69043  
    69044 TypeError: cannot unpack non-iterable NoneType object 
    69045  
    69046 File
    69047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69048 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69049 etype, evalue, etraceback = exc_info 
    69050  
    69051 See log for complete Python traceback. 
    69052  
    69053 Traceback (most recent call last): 
    69054 File
    69055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69056 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69057 return self._func(self._name, data) 
    69058 File
    69059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69060 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69061 if v.display: 
    69062 File
    69063 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69064 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69065 return self._any_displayed_positions and len(self._positions) > 0 
    69066 TypeError: object of type 'NoneType' has no len() 
    69067  
    69068 During handling of the above exception, another exception occurred: 
    69069  
    69070 Traceback (most recent call last): 
    69071 File
    69072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69073 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69074 if not self.draw_new_frame(): 
    69075 File
    69076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69077 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69078 changed = view.check_for_drawing_change() 
    69079 File
    69080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69081 packages/chimerax/core/graphics/view.py", line 252, in
    69082 check_for_drawing_change 
    69083 trig.activate_trigger('graphics update', self) 
    69084 File
    69085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69086 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69087 trigger.activate(data) 
    69088 File
    69089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69090 packages/chimerax/core/triggerset.py", line 190, in activate 
    69091 ret = handler.invoke(data, self._remove_bad_handlers) 
    69092 File
    69093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69094 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69095 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69096 File
    69097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69098 packages/chimerax/core/session.py", line 943, in <lambda> 
    69099 logger.report_exception(preface=preface)) 
    69100 File
    69101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69102 packages/chimerax/core/logger.py", line 421, in report_exception 
    69103 elif probably_chimera1_session(exc_info): 
    69104 File
    69105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69106 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69107 etype, evalue, etraceback = exc_info 
    69108 TypeError: cannot unpack non-iterable NoneType object 
    69109  
    69110 TypeError: cannot unpack non-iterable NoneType object 
    69111  
    69112 File
    69113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69114 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69115 etype, evalue, etraceback = exc_info 
    69116  
    69117 See log for complete Python traceback. 
    69118  
    69119 Traceback (most recent call last): 
    69120 File
    69121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69122 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69123 return self._func(self._name, data) 
    69124 File
    69125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69126 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69127 if v.display: 
    69128 File
    69129 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69130 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69131 return self._any_displayed_positions and len(self._positions) > 0 
    69132 TypeError: object of type 'NoneType' has no len() 
    69133  
    69134 During handling of the above exception, another exception occurred: 
    69135  
    69136 Traceback (most recent call last): 
    69137 File
    69138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69139 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69140 if not self.draw_new_frame(): 
    69141 File
    69142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69143 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69144 changed = view.check_for_drawing_change() 
    69145 File
    69146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69147 packages/chimerax/core/graphics/view.py", line 252, in
    69148 check_for_drawing_change 
    69149 trig.activate_trigger('graphics update', self) 
    69150 File
    69151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69152 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69153 trigger.activate(data) 
    69154 File
    69155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69156 packages/chimerax/core/triggerset.py", line 190, in activate 
    69157 ret = handler.invoke(data, self._remove_bad_handlers) 
    69158 File
    69159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69160 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69161 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69162 File
    69163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69164 packages/chimerax/core/session.py", line 943, in <lambda> 
    69165 logger.report_exception(preface=preface)) 
    69166 File
    69167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69168 packages/chimerax/core/logger.py", line 421, in report_exception 
    69169 elif probably_chimera1_session(exc_info): 
    69170 File
    69171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69172 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69173 etype, evalue, etraceback = exc_info 
    69174 TypeError: cannot unpack non-iterable NoneType object 
    69175  
    69176 TypeError: cannot unpack non-iterable NoneType object 
    69177  
    69178 File
    69179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69180 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69181 etype, evalue, etraceback = exc_info 
    69182  
    69183 See log for complete Python traceback. 
    69184  
    69185 Traceback (most recent call last): 
    69186 File
    69187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69188 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69189 return self._func(self._name, data) 
    69190 File
    69191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69192 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69193 if v.display: 
    69194 File
    69195 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69196 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69197 return self._any_displayed_positions and len(self._positions) > 0 
    69198 TypeError: object of type 'NoneType' has no len() 
    69199  
    69200 During handling of the above exception, another exception occurred: 
    69201  
    69202 Traceback (most recent call last): 
    69203 File
    69204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69205 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69206 if not self.draw_new_frame(): 
    69207 File
    69208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69209 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69210 changed = view.check_for_drawing_change() 
    69211 File
    69212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69213 packages/chimerax/core/graphics/view.py", line 252, in
    69214 check_for_drawing_change 
    69215 trig.activate_trigger('graphics update', self) 
    69216 File
    69217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69218 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69219 trigger.activate(data) 
    69220 File
    69221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69222 packages/chimerax/core/triggerset.py", line 190, in activate 
    69223 ret = handler.invoke(data, self._remove_bad_handlers) 
    69224 File
    69225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69226 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69227 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69228 File
    69229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69230 packages/chimerax/core/session.py", line 943, in <lambda> 
    69231 logger.report_exception(preface=preface)) 
    69232 File
    69233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69234 packages/chimerax/core/logger.py", line 421, in report_exception 
    69235 elif probably_chimera1_session(exc_info): 
    69236 File
    69237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69238 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69239 etype, evalue, etraceback = exc_info 
    69240 TypeError: cannot unpack non-iterable NoneType object 
    69241  
    69242 TypeError: cannot unpack non-iterable NoneType object 
    69243  
    69244 File
    69245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69246 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69247 etype, evalue, etraceback = exc_info 
    69248  
    69249 See log for complete Python traceback. 
    69250  
    69251 Traceback (most recent call last): 
    69252 File
    69253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69254 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69255 return self._func(self._name, data) 
    69256 File
    69257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69258 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69259 if v.display: 
    69260 File
    69261 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69262 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69263 return self._any_displayed_positions and len(self._positions) > 0 
    69264 TypeError: object of type 'NoneType' has no len() 
    69265  
    69266 During handling of the above exception, another exception occurred: 
    69267  
    69268 Traceback (most recent call last): 
    69269 File
    69270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69271 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69272 if not self.draw_new_frame(): 
    69273 File
    69274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69275 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69276 changed = view.check_for_drawing_change() 
    69277 File
    69278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69279 packages/chimerax/core/graphics/view.py", line 252, in
    69280 check_for_drawing_change 
    69281 trig.activate_trigger('graphics update', self) 
    69282 File
    69283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69284 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69285 trigger.activate(data) 
    69286 File
    69287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69288 packages/chimerax/core/triggerset.py", line 190, in activate 
    69289 ret = handler.invoke(data, self._remove_bad_handlers) 
    69290 File
    69291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69292 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69293 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69294 File
    69295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69296 packages/chimerax/core/session.py", line 943, in <lambda> 
    69297 logger.report_exception(preface=preface)) 
    69298 File
    69299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69300 packages/chimerax/core/logger.py", line 421, in report_exception 
    69301 elif probably_chimera1_session(exc_info): 
    69302 File
    69303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69304 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69305 etype, evalue, etraceback = exc_info 
    69306 TypeError: cannot unpack non-iterable NoneType object 
    69307  
    69308 TypeError: cannot unpack non-iterable NoneType object 
    69309  
    69310 File
    69311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69312 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69313 etype, evalue, etraceback = exc_info 
    69314  
    69315 See log for complete Python traceback. 
    69316  
    69317 Traceback (most recent call last): 
    69318 File
    69319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69320 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69321 return self._func(self._name, data) 
    69322 File
    69323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69324 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69325 if v.display: 
    69326 File
    69327 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69328 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69329 return self._any_displayed_positions and len(self._positions) > 0 
    69330 TypeError: object of type 'NoneType' has no len() 
    69331  
    69332 During handling of the above exception, another exception occurred: 
    69333  
    69334 Traceback (most recent call last): 
    69335 File
    69336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69337 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69338 if not self.draw_new_frame(): 
    69339 File
    69340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69341 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69342 changed = view.check_for_drawing_change() 
    69343 File
    69344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69345 packages/chimerax/core/graphics/view.py", line 252, in
    69346 check_for_drawing_change 
    69347 trig.activate_trigger('graphics update', self) 
    69348 File
    69349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69350 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69351 trigger.activate(data) 
    69352 File
    69353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69354 packages/chimerax/core/triggerset.py", line 190, in activate 
    69355 ret = handler.invoke(data, self._remove_bad_handlers) 
    69356 File
    69357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69358 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69359 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69360 File
    69361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69362 packages/chimerax/core/session.py", line 943, in <lambda> 
    69363 logger.report_exception(preface=preface)) 
    69364 File
    69365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69366 packages/chimerax/core/logger.py", line 421, in report_exception 
    69367 elif probably_chimera1_session(exc_info): 
    69368 File
    69369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69370 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69371 etype, evalue, etraceback = exc_info 
    69372 TypeError: cannot unpack non-iterable NoneType object 
    69373  
    69374 TypeError: cannot unpack non-iterable NoneType object 
    69375  
    69376 File
    69377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69378 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69379 etype, evalue, etraceback = exc_info 
    69380  
    69381 See log for complete Python traceback. 
    69382  
    69383 Traceback (most recent call last): 
    69384 File
    69385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69386 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69387 return self._func(self._name, data) 
    69388 File
    69389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69390 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69391 if v.display: 
    69392 File
    69393 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69394 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69395 return self._any_displayed_positions and len(self._positions) > 0 
    69396 TypeError: object of type 'NoneType' has no len() 
    69397  
    69398 During handling of the above exception, another exception occurred: 
    69399  
    69400 Traceback (most recent call last): 
    69401 File
    69402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69403 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69404 if not self.draw_new_frame(): 
    69405 File
    69406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69407 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69408 changed = view.check_for_drawing_change() 
    69409 File
    69410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69411 packages/chimerax/core/graphics/view.py", line 252, in
    69412 check_for_drawing_change 
    69413 trig.activate_trigger('graphics update', self) 
    69414 File
    69415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69416 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69417 trigger.activate(data) 
    69418 File
    69419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69420 packages/chimerax/core/triggerset.py", line 190, in activate 
    69421 ret = handler.invoke(data, self._remove_bad_handlers) 
    69422 File
    69423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69424 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69425 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69426 File
    69427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69428 packages/chimerax/core/session.py", line 943, in <lambda> 
    69429 logger.report_exception(preface=preface)) 
    69430 File
    69431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69432 packages/chimerax/core/logger.py", line 421, in report_exception 
    69433 elif probably_chimera1_session(exc_info): 
    69434 File
    69435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69436 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69437 etype, evalue, etraceback = exc_info 
    69438 TypeError: cannot unpack non-iterable NoneType object 
    69439  
    69440 TypeError: cannot unpack non-iterable NoneType object 
    69441  
    69442 File
    69443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69444 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69445 etype, evalue, etraceback = exc_info 
    69446  
    69447 See log for complete Python traceback. 
    69448  
    69449 Traceback (most recent call last): 
    69450 File
    69451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69452 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69453 return self._func(self._name, data) 
    69454 File
    69455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69456 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69457 if v.display: 
    69458 File
    69459 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69460 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69461 return self._any_displayed_positions and len(self._positions) > 0 
    69462 TypeError: object of type 'NoneType' has no len() 
    69463  
    69464 During handling of the above exception, another exception occurred: 
    69465  
    69466 Traceback (most recent call last): 
    69467 File
    69468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69469 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69470 if not self.draw_new_frame(): 
    69471 File
    69472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69473 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69474 changed = view.check_for_drawing_change() 
    69475 File
    69476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69477 packages/chimerax/core/graphics/view.py", line 252, in
    69478 check_for_drawing_change 
    69479 trig.activate_trigger('graphics update', self) 
    69480 File
    69481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69482 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69483 trigger.activate(data) 
    69484 File
    69485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69486 packages/chimerax/core/triggerset.py", line 190, in activate 
    69487 ret = handler.invoke(data, self._remove_bad_handlers) 
    69488 File
    69489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69490 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69491 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69492 File
    69493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69494 packages/chimerax/core/session.py", line 943, in <lambda> 
    69495 logger.report_exception(preface=preface)) 
    69496 File
    69497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69498 packages/chimerax/core/logger.py", line 421, in report_exception 
    69499 elif probably_chimera1_session(exc_info): 
    69500 File
    69501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69502 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69503 etype, evalue, etraceback = exc_info 
    69504 TypeError: cannot unpack non-iterable NoneType object 
    69505  
    69506 TypeError: cannot unpack non-iterable NoneType object 
    69507  
    69508 File
    69509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69510 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69511 etype, evalue, etraceback = exc_info 
    69512  
    69513 See log for complete Python traceback. 
    69514  
    69515 Traceback (most recent call last): 
    69516 File
    69517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69519 return self._func(self._name, data) 
    69520 File
    69521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69522 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69523 if v.display: 
    69524 File
    69525 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69526 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69527 return self._any_displayed_positions and len(self._positions) > 0 
    69528 TypeError: object of type 'NoneType' has no len() 
    69529  
    69530 During handling of the above exception, another exception occurred: 
    69531  
    69532 Traceback (most recent call last): 
    69533 File
    69534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69535 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69536 if not self.draw_new_frame(): 
    69537 File
    69538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69539 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69540 changed = view.check_for_drawing_change() 
    69541 File
    69542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69543 packages/chimerax/core/graphics/view.py", line 252, in
    69544 check_for_drawing_change 
    69545 trig.activate_trigger('graphics update', self) 
    69546 File
    69547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69548 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69549 trigger.activate(data) 
    69550 File
    69551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69552 packages/chimerax/core/triggerset.py", line 190, in activate 
    69553 ret = handler.invoke(data, self._remove_bad_handlers) 
    69554 File
    69555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69556 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69557 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69558 File
    69559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69560 packages/chimerax/core/session.py", line 943, in <lambda> 
    69561 logger.report_exception(preface=preface)) 
    69562 File
    69563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69564 packages/chimerax/core/logger.py", line 421, in report_exception 
    69565 elif probably_chimera1_session(exc_info): 
    69566 File
    69567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69568 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69569 etype, evalue, etraceback = exc_info 
    69570 TypeError: cannot unpack non-iterable NoneType object 
    69571  
    69572 TypeError: cannot unpack non-iterable NoneType object 
    69573  
    69574 File
    69575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69576 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69577 etype, evalue, etraceback = exc_info 
    69578  
    69579 See log for complete Python traceback. 
    69580  
    69581 Traceback (most recent call last): 
    69582 File
    69583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69584 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69585 return self._func(self._name, data) 
    69586 File
    69587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69588 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69589 if v.display: 
    69590 File
    69591 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69592 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69593 return self._any_displayed_positions and len(self._positions) > 0 
    69594 TypeError: object of type 'NoneType' has no len() 
    69595  
    69596 During handling of the above exception, another exception occurred: 
    69597  
    69598 Traceback (most recent call last): 
    69599 File
    69600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69601 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69602 if not self.draw_new_frame(): 
    69603 File
    69604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69605 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69606 changed = view.check_for_drawing_change() 
    69607 File
    69608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69609 packages/chimerax/core/graphics/view.py", line 252, in
    69610 check_for_drawing_change 
    69611 trig.activate_trigger('graphics update', self) 
    69612 File
    69613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69614 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69615 trigger.activate(data) 
    69616 File
    69617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69618 packages/chimerax/core/triggerset.py", line 190, in activate 
    69619 ret = handler.invoke(data, self._remove_bad_handlers) 
    69620 File
    69621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69622 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69623 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69624 File
    69625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69626 packages/chimerax/core/session.py", line 943, in <lambda> 
    69627 logger.report_exception(preface=preface)) 
    69628 File
    69629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69630 packages/chimerax/core/logger.py", line 421, in report_exception 
    69631 elif probably_chimera1_session(exc_info): 
    69632 File
    69633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69634 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69635 etype, evalue, etraceback = exc_info 
    69636 TypeError: cannot unpack non-iterable NoneType object 
    69637  
    69638 TypeError: cannot unpack non-iterable NoneType object 
    69639  
    69640 File
    69641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69642 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69643 etype, evalue, etraceback = exc_info 
    69644  
    69645 See log for complete Python traceback. 
    69646  
    69647 Traceback (most recent call last): 
    69648 File
    69649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69650 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69651 return self._func(self._name, data) 
    69652 File
    69653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69654 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69655 if v.display: 
    69656 File
    69657 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69658 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69659 return self._any_displayed_positions and len(self._positions) > 0 
    69660 TypeError: object of type 'NoneType' has no len() 
    69661  
    69662 During handling of the above exception, another exception occurred: 
    69663  
    69664 Traceback (most recent call last): 
    69665 File
    69666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69667 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69668 if not self.draw_new_frame(): 
    69669 File
    69670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69671 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69672 changed = view.check_for_drawing_change() 
    69673 File
    69674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69675 packages/chimerax/core/graphics/view.py", line 252, in
    69676 check_for_drawing_change 
    69677 trig.activate_trigger('graphics update', self) 
    69678 File
    69679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69680 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69681 trigger.activate(data) 
    69682 File
    69683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69684 packages/chimerax/core/triggerset.py", line 190, in activate 
    69685 ret = handler.invoke(data, self._remove_bad_handlers) 
    69686 File
    69687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69688 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69689 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69690 File
    69691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69692 packages/chimerax/core/session.py", line 943, in <lambda> 
    69693 logger.report_exception(preface=preface)) 
    69694 File
    69695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69696 packages/chimerax/core/logger.py", line 421, in report_exception 
    69697 elif probably_chimera1_session(exc_info): 
    69698 File
    69699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69700 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69701 etype, evalue, etraceback = exc_info 
    69702 TypeError: cannot unpack non-iterable NoneType object 
    69703  
    69704 TypeError: cannot unpack non-iterable NoneType object 
    69705  
    69706 File
    69707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69708 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69709 etype, evalue, etraceback = exc_info 
    69710  
    69711 See log for complete Python traceback. 
    69712  
    69713 Traceback (most recent call last): 
    69714 File
    69715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69716 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69717 return self._func(self._name, data) 
    69718 File
    69719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69720 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69721 if v.display: 
    69722 File
    69723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69724 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69725 return self._any_displayed_positions and len(self._positions) > 0 
    69726 TypeError: object of type 'NoneType' has no len() 
    69727  
    69728 During handling of the above exception, another exception occurred: 
    69729  
    69730 Traceback (most recent call last): 
    69731 File
    69732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69733 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69734 if not self.draw_new_frame(): 
    69735 File
    69736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69737 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69738 changed = view.check_for_drawing_change() 
    69739 File
    69740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69741 packages/chimerax/core/graphics/view.py", line 252, in
    69742 check_for_drawing_change 
    69743 trig.activate_trigger('graphics update', self) 
    69744 File
    69745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69746 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69747 trigger.activate(data) 
    69748 File
    69749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69750 packages/chimerax/core/triggerset.py", line 190, in activate 
    69751 ret = handler.invoke(data, self._remove_bad_handlers) 
    69752 File
    69753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69754 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69755 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69756 File
    69757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69758 packages/chimerax/core/session.py", line 943, in <lambda> 
    69759 logger.report_exception(preface=preface)) 
    69760 File
    69761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69762 packages/chimerax/core/logger.py", line 421, in report_exception 
    69763 elif probably_chimera1_session(exc_info): 
    69764 File
    69765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69766 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69767 etype, evalue, etraceback = exc_info 
    69768 TypeError: cannot unpack non-iterable NoneType object 
    69769  
    69770 TypeError: cannot unpack non-iterable NoneType object 
    69771  
    69772 File
    69773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69774 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69775 etype, evalue, etraceback = exc_info 
    69776  
    69777 See log for complete Python traceback. 
    69778  
    69779 Traceback (most recent call last): 
    69780 File
    69781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69782 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69783 return self._func(self._name, data) 
    69784 File
    69785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69786 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69787 if v.display: 
    69788 File
    69789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69790 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69791 return self._any_displayed_positions and len(self._positions) > 0 
    69792 TypeError: object of type 'NoneType' has no len() 
    69793  
    69794 During handling of the above exception, another exception occurred: 
    69795  
    69796 Traceback (most recent call last): 
    69797 File
    69798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69799 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69800 if not self.draw_new_frame(): 
    69801 File
    69802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69803 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69804 changed = view.check_for_drawing_change() 
    69805 File
    69806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69807 packages/chimerax/core/graphics/view.py", line 252, in
    69808 check_for_drawing_change 
    69809 trig.activate_trigger('graphics update', self) 
    69810 File
    69811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69812 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69813 trigger.activate(data) 
    69814 File
    69815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69816 packages/chimerax/core/triggerset.py", line 190, in activate 
    69817 ret = handler.invoke(data, self._remove_bad_handlers) 
    69818 File
    69819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69820 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69821 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69822 File
    69823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69824 packages/chimerax/core/session.py", line 943, in <lambda> 
    69825 logger.report_exception(preface=preface)) 
    69826 File
    69827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69828 packages/chimerax/core/logger.py", line 421, in report_exception 
    69829 elif probably_chimera1_session(exc_info): 
    69830 File
    69831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69832 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69833 etype, evalue, etraceback = exc_info 
    69834 TypeError: cannot unpack non-iterable NoneType object 
    69835  
    69836 TypeError: cannot unpack non-iterable NoneType object 
    69837  
    69838 File
    69839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69840 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69841 etype, evalue, etraceback = exc_info 
    69842  
    69843 See log for complete Python traceback. 
    69844  
    69845 Traceback (most recent call last): 
    69846 File
    69847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69848 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69849 return self._func(self._name, data) 
    69850 File
    69851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69852 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69853 if v.display: 
    69854 File
    69855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69856 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69857 return self._any_displayed_positions and len(self._positions) > 0 
    69858 TypeError: object of type 'NoneType' has no len() 
    69859  
    69860 During handling of the above exception, another exception occurred: 
    69861  
    69862 Traceback (most recent call last): 
    69863 File
    69864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69865 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69866 if not self.draw_new_frame(): 
    69867 File
    69868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69869 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69870 changed = view.check_for_drawing_change() 
    69871 File
    69872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69873 packages/chimerax/core/graphics/view.py", line 252, in
    69874 check_for_drawing_change 
    69875 trig.activate_trigger('graphics update', self) 
    69876 File
    69877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69878 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69879 trigger.activate(data) 
    69880 File
    69881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69882 packages/chimerax/core/triggerset.py", line 190, in activate 
    69883 ret = handler.invoke(data, self._remove_bad_handlers) 
    69884 File
    69885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69886 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69887 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69888 File
    69889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69890 packages/chimerax/core/session.py", line 943, in <lambda> 
    69891 logger.report_exception(preface=preface)) 
    69892 File
    69893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69894 packages/chimerax/core/logger.py", line 421, in report_exception 
    69895 elif probably_chimera1_session(exc_info): 
    69896 File
    69897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69898 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69899 etype, evalue, etraceback = exc_info 
    69900 TypeError: cannot unpack non-iterable NoneType object 
    69901  
    69902 TypeError: cannot unpack non-iterable NoneType object 
    69903  
    69904 File
    69905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69906 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69907 etype, evalue, etraceback = exc_info 
    69908  
    69909 See log for complete Python traceback. 
    69910  
    69911 Traceback (most recent call last): 
    69912 File
    69913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69914 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69915 return self._func(self._name, data) 
    69916 File
    69917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69918 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69919 if v.display: 
    69920 File
    69921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69922 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69923 return self._any_displayed_positions and len(self._positions) > 0 
    69924 TypeError: object of type 'NoneType' has no len() 
    69925  
    69926 During handling of the above exception, another exception occurred: 
    69927  
    69928 Traceback (most recent call last): 
    69929 File
    69930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69931 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69932 if not self.draw_new_frame(): 
    69933 File
    69934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69935 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    69936 changed = view.check_for_drawing_change() 
    69937 File
    69938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69939 packages/chimerax/core/graphics/view.py", line 252, in
    69940 check_for_drawing_change 
    69941 trig.activate_trigger('graphics update', self) 
    69942 File
    69943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69944 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    69945 trigger.activate(data) 
    69946 File
    69947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69948 packages/chimerax/core/triggerset.py", line 190, in activate 
    69949 ret = handler.invoke(data, self._remove_bad_handlers) 
    69950 File
    69951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69952 packages/chimerax/core/triggerset.py", line 132, in invoke 
    69953 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    69954 File
    69955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69956 packages/chimerax/core/session.py", line 943, in <lambda> 
    69957 logger.report_exception(preface=preface)) 
    69958 File
    69959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69960 packages/chimerax/core/logger.py", line 421, in report_exception 
    69961 elif probably_chimera1_session(exc_info): 
    69962 File
    69963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69964 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69965 etype, evalue, etraceback = exc_info 
    69966 TypeError: cannot unpack non-iterable NoneType object 
    69967  
    69968 TypeError: cannot unpack non-iterable NoneType object 
    69969  
    69970 File
    69971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69972 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    69973 etype, evalue, etraceback = exc_info 
    69974  
    69975 See log for complete Python traceback. 
    69976  
    69977 Traceback (most recent call last): 
    69978 File
    69979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69980 packages/chimerax/core/triggerset.py", line 130, in invoke 
    69981 return self._func(self._name, data) 
    69982 File
    69983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69984 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    69985 if v.display: 
    69986 File
    69987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69988 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    69989 return self._any_displayed_positions and len(self._positions) > 0 
    69990 TypeError: object of type 'NoneType' has no len() 
    69991  
    69992 During handling of the above exception, another exception occurred: 
    69993  
    69994 Traceback (most recent call last): 
    69995 File
    69996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    69997 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    69998 if not self.draw_new_frame(): 
    69999 File
    70000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70001 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70002 changed = view.check_for_drawing_change() 
    70003 File
    70004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70005 packages/chimerax/core/graphics/view.py", line 252, in
    70006 check_for_drawing_change 
    70007 trig.activate_trigger('graphics update', self) 
    70008 File
    70009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70010 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70011 trigger.activate(data) 
    70012 File
    70013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70014 packages/chimerax/core/triggerset.py", line 190, in activate 
    70015 ret = handler.invoke(data, self._remove_bad_handlers) 
    70016 File
    70017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70018 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70019 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70020 File
    70021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70022 packages/chimerax/core/session.py", line 943, in <lambda> 
    70023 logger.report_exception(preface=preface)) 
    70024 File
    70025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70026 packages/chimerax/core/logger.py", line 421, in report_exception 
    70027 elif probably_chimera1_session(exc_info): 
    70028 File
    70029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70030 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70031 etype, evalue, etraceback = exc_info 
    70032 TypeError: cannot unpack non-iterable NoneType object 
    70033  
    70034 TypeError: cannot unpack non-iterable NoneType object 
    70035  
    70036 File
    70037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70038 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70039 etype, evalue, etraceback = exc_info 
    70040  
    70041 See log for complete Python traceback. 
    70042  
    70043 Traceback (most recent call last): 
    70044 File
    70045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70046 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70047 return self._func(self._name, data) 
    70048 File
    70049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70050 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70051 if v.display: 
    70052 File
    70053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70054 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70055 return self._any_displayed_positions and len(self._positions) > 0 
    70056 TypeError: object of type 'NoneType' has no len() 
    70057  
    70058 During handling of the above exception, another exception occurred: 
    70059  
    70060 Traceback (most recent call last): 
    70061 File
    70062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70063 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70064 if not self.draw_new_frame(): 
    70065 File
    70066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70067 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70068 changed = view.check_for_drawing_change() 
    70069 File
    70070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70071 packages/chimerax/core/graphics/view.py", line 252, in
    70072 check_for_drawing_change 
    70073 trig.activate_trigger('graphics update', self) 
    70074 File
    70075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70076 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70077 trigger.activate(data) 
    70078 File
    70079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70080 packages/chimerax/core/triggerset.py", line 190, in activate 
    70081 ret = handler.invoke(data, self._remove_bad_handlers) 
    70082 File
    70083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70084 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70085 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70086 File
    70087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70088 packages/chimerax/core/session.py", line 943, in <lambda> 
    70089 logger.report_exception(preface=preface)) 
    70090 File
    70091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70092 packages/chimerax/core/logger.py", line 421, in report_exception 
    70093 elif probably_chimera1_session(exc_info): 
    70094 File
    70095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70096 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70097 etype, evalue, etraceback = exc_info 
    70098 TypeError: cannot unpack non-iterable NoneType object 
    70099  
    70100 TypeError: cannot unpack non-iterable NoneType object 
    70101  
    70102 File
    70103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70104 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70105 etype, evalue, etraceback = exc_info 
    70106  
    70107 See log for complete Python traceback. 
    70108  
    70109 Traceback (most recent call last): 
    70110 File
    70111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70112 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70113 return self._func(self._name, data) 
    70114 File
    70115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70116 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70117 if v.display: 
    70118 File
    70119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70120 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70121 return self._any_displayed_positions and len(self._positions) > 0 
    70122 TypeError: object of type 'NoneType' has no len() 
    70123  
    70124 During handling of the above exception, another exception occurred: 
    70125  
    70126 Traceback (most recent call last): 
    70127 File
    70128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70129 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70130 if not self.draw_new_frame(): 
    70131 File
    70132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70133 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70134 changed = view.check_for_drawing_change() 
    70135 File
    70136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70137 packages/chimerax/core/graphics/view.py", line 252, in
    70138 check_for_drawing_change 
    70139 trig.activate_trigger('graphics update', self) 
    70140 File
    70141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70142 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70143 trigger.activate(data) 
    70144 File
    70145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70146 packages/chimerax/core/triggerset.py", line 190, in activate 
    70147 ret = handler.invoke(data, self._remove_bad_handlers) 
    70148 File
    70149 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70150 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70151 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70152 File
    70153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70154 packages/chimerax/core/session.py", line 943, in <lambda> 
    70155 logger.report_exception(preface=preface)) 
    70156 File
    70157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70158 packages/chimerax/core/logger.py", line 421, in report_exception 
    70159 elif probably_chimera1_session(exc_info): 
    70160 File
    70161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70162 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70163 etype, evalue, etraceback = exc_info 
    70164 TypeError: cannot unpack non-iterable NoneType object 
    70165  
    70166 TypeError: cannot unpack non-iterable NoneType object 
    70167  
    70168 File
    70169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70170 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70171 etype, evalue, etraceback = exc_info 
    70172  
    70173 See log for complete Python traceback. 
    70174  
    70175 Traceback (most recent call last): 
    70176 File
    70177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70178 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70179 return self._func(self._name, data) 
    70180 File
    70181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70182 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70183 if v.display: 
    70184 File
    70185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70186 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70187 return self._any_displayed_positions and len(self._positions) > 0 
    70188 TypeError: object of type 'NoneType' has no len() 
    70189  
    70190 During handling of the above exception, another exception occurred: 
    70191  
    70192 Traceback (most recent call last): 
    70193 File
    70194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70195 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70196 if not self.draw_new_frame(): 
    70197 File
    70198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70199 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70200 changed = view.check_for_drawing_change() 
    70201 File
    70202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70203 packages/chimerax/core/graphics/view.py", line 252, in
    70204 check_for_drawing_change 
    70205 trig.activate_trigger('graphics update', self) 
    70206 File
    70207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70208 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70209 trigger.activate(data) 
    70210 File
    70211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70212 packages/chimerax/core/triggerset.py", line 190, in activate 
    70213 ret = handler.invoke(data, self._remove_bad_handlers) 
    70214 File
    70215 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70216 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70217 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70218 File
    70219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70220 packages/chimerax/core/session.py", line 943, in <lambda> 
    70221 logger.report_exception(preface=preface)) 
    70222 File
    70223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70224 packages/chimerax/core/logger.py", line 421, in report_exception 
    70225 elif probably_chimera1_session(exc_info): 
    70226 File
    70227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70228 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70229 etype, evalue, etraceback = exc_info 
    70230 TypeError: cannot unpack non-iterable NoneType object 
    70231  
    70232 TypeError: cannot unpack non-iterable NoneType object 
    70233  
    70234 File
    70235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70236 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70237 etype, evalue, etraceback = exc_info 
    70238  
    70239 See log for complete Python traceback. 
    70240  
    70241 Traceback (most recent call last): 
    70242 File
    70243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70244 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70245 return self._func(self._name, data) 
    70246 File
    70247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70248 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70249 if v.display: 
    70250 File
    70251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70252 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70253 return self._any_displayed_positions and len(self._positions) > 0 
    70254 TypeError: object of type 'NoneType' has no len() 
    70255  
    70256 During handling of the above exception, another exception occurred: 
    70257  
    70258 Traceback (most recent call last): 
    70259 File
    70260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70261 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70262 if not self.draw_new_frame(): 
    70263 File
    70264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70265 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70266 changed = view.check_for_drawing_change() 
    70267 File
    70268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70269 packages/chimerax/core/graphics/view.py", line 252, in
    70270 check_for_drawing_change 
    70271 trig.activate_trigger('graphics update', self) 
    70272 File
    70273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70274 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70275 trigger.activate(data) 
    70276 File
    70277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70278 packages/chimerax/core/triggerset.py", line 190, in activate 
    70279 ret = handler.invoke(data, self._remove_bad_handlers) 
    70280 File
    70281 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70282 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70283 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70284 File
    70285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70286 packages/chimerax/core/session.py", line 943, in <lambda> 
    70287 logger.report_exception(preface=preface)) 
    70288 File
    70289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70290 packages/chimerax/core/logger.py", line 421, in report_exception 
    70291 elif probably_chimera1_session(exc_info): 
    70292 File
    70293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70294 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70295 etype, evalue, etraceback = exc_info 
    70296 TypeError: cannot unpack non-iterable NoneType object 
    70297  
    70298 TypeError: cannot unpack non-iterable NoneType object 
    70299  
    70300 File
    70301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70302 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70303 etype, evalue, etraceback = exc_info 
    70304  
    70305 See log for complete Python traceback. 
    70306  
    70307 Traceback (most recent call last): 
    70308 File
    70309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70310 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70311 return self._func(self._name, data) 
    70312 File
    70313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70314 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70315 if v.display: 
    70316 File
    70317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70318 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70319 return self._any_displayed_positions and len(self._positions) > 0 
    70320 TypeError: object of type 'NoneType' has no len() 
    70321  
    70322 During handling of the above exception, another exception occurred: 
    70323  
    70324 Traceback (most recent call last): 
    70325 File
    70326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70327 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70328 if not self.draw_new_frame(): 
    70329 File
    70330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70331 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70332 changed = view.check_for_drawing_change() 
    70333 File
    70334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70335 packages/chimerax/core/graphics/view.py", line 252, in
    70336 check_for_drawing_change 
    70337 trig.activate_trigger('graphics update', self) 
    70338 File
    70339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70340 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70341 trigger.activate(data) 
    70342 File
    70343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70344 packages/chimerax/core/triggerset.py", line 190, in activate 
    70345 ret = handler.invoke(data, self._remove_bad_handlers) 
    70346 File
    70347 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70348 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70349 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70350 File
    70351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70352 packages/chimerax/core/session.py", line 943, in <lambda> 
    70353 logger.report_exception(preface=preface)) 
    70354 File
    70355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70356 packages/chimerax/core/logger.py", line 421, in report_exception 
    70357 elif probably_chimera1_session(exc_info): 
    70358 File
    70359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70360 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70361 etype, evalue, etraceback = exc_info 
    70362 TypeError: cannot unpack non-iterable NoneType object 
    70363  
    70364 TypeError: cannot unpack non-iterable NoneType object 
    70365  
    70366 File
    70367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70368 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70369 etype, evalue, etraceback = exc_info 
    70370  
    70371 See log for complete Python traceback. 
    70372  
    70373 Traceback (most recent call last): 
    70374 File
    70375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70376 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70377 return self._func(self._name, data) 
    70378 File
    70379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70380 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70381 if v.display: 
    70382 File
    70383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70384 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70385 return self._any_displayed_positions and len(self._positions) > 0 
    70386 TypeError: object of type 'NoneType' has no len() 
    70387  
    70388 During handling of the above exception, another exception occurred: 
    70389  
    70390 Traceback (most recent call last): 
    70391 File
    70392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70393 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70394 if not self.draw_new_frame(): 
    70395 File
    70396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70397 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70398 changed = view.check_for_drawing_change() 
    70399 File
    70400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70401 packages/chimerax/core/graphics/view.py", line 252, in
    70402 check_for_drawing_change 
    70403 trig.activate_trigger('graphics update', self) 
    70404 File
    70405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70406 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70407 trigger.activate(data) 
    70408 File
    70409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70410 packages/chimerax/core/triggerset.py", line 190, in activate 
    70411 ret = handler.invoke(data, self._remove_bad_handlers) 
    70412 File
    70413 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70414 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70415 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70416 File
    70417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70418 packages/chimerax/core/session.py", line 943, in <lambda> 
    70419 logger.report_exception(preface=preface)) 
    70420 File
    70421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70422 packages/chimerax/core/logger.py", line 421, in report_exception 
    70423 elif probably_chimera1_session(exc_info): 
    70424 File
    70425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70426 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70427 etype, evalue, etraceback = exc_info 
    70428 TypeError: cannot unpack non-iterable NoneType object 
    70429  
    70430 TypeError: cannot unpack non-iterable NoneType object 
    70431  
    70432 File
    70433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70434 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70435 etype, evalue, etraceback = exc_info 
    70436  
    70437 See log for complete Python traceback. 
    70438  
    70439 Traceback (most recent call last): 
    70440 File
    70441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70442 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70443 return self._func(self._name, data) 
    70444 File
    70445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70446 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70447 if v.display: 
    70448 File
    70449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70450 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70451 return self._any_displayed_positions and len(self._positions) > 0 
    70452 TypeError: object of type 'NoneType' has no len() 
    70453  
    70454 During handling of the above exception, another exception occurred: 
    70455  
    70456 Traceback (most recent call last): 
    70457 File
    70458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70459 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70460 if not self.draw_new_frame(): 
    70461 File
    70462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70463 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70464 changed = view.check_for_drawing_change() 
    70465 File
    70466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70467 packages/chimerax/core/graphics/view.py", line 252, in
    70468 check_for_drawing_change 
    70469 trig.activate_trigger('graphics update', self) 
    70470 File
    70471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70472 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70473 trigger.activate(data) 
    70474 File
    70475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70476 packages/chimerax/core/triggerset.py", line 190, in activate 
    70477 ret = handler.invoke(data, self._remove_bad_handlers) 
    70478 File
    70479 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70480 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70481 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70482 File
    70483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70484 packages/chimerax/core/session.py", line 943, in <lambda> 
    70485 logger.report_exception(preface=preface)) 
    70486 File
    70487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70488 packages/chimerax/core/logger.py", line 421, in report_exception 
    70489 elif probably_chimera1_session(exc_info): 
    70490 File
    70491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70492 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70493 etype, evalue, etraceback = exc_info 
    70494 TypeError: cannot unpack non-iterable NoneType object 
    70495  
    70496 TypeError: cannot unpack non-iterable NoneType object 
    70497  
    70498 File
    70499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70500 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70501 etype, evalue, etraceback = exc_info 
    70502  
    70503 See log for complete Python traceback. 
    70504  
    70505 Traceback (most recent call last): 
    70506 File
    70507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70508 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70509 return self._func(self._name, data) 
    70510 File
    70511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70512 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70513 if v.display: 
    70514 File
    70515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70516 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70517 return self._any_displayed_positions and len(self._positions) > 0 
    70518 TypeError: object of type 'NoneType' has no len() 
    70519  
    70520 During handling of the above exception, another exception occurred: 
    70521  
    70522 Traceback (most recent call last): 
    70523 File
    70524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70525 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70526 if not self.draw_new_frame(): 
    70527 File
    70528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70529 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70530 changed = view.check_for_drawing_change() 
    70531 File
    70532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70533 packages/chimerax/core/graphics/view.py", line 252, in
    70534 check_for_drawing_change 
    70535 trig.activate_trigger('graphics update', self) 
    70536 File
    70537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70538 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70539 trigger.activate(data) 
    70540 File
    70541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70542 packages/chimerax/core/triggerset.py", line 190, in activate 
    70543 ret = handler.invoke(data, self._remove_bad_handlers) 
    70544 File
    70545 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70546 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70547 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70548 File
    70549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70550 packages/chimerax/core/session.py", line 943, in <lambda> 
    70551 logger.report_exception(preface=preface)) 
    70552 File
    70553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70554 packages/chimerax/core/logger.py", line 421, in report_exception 
    70555 elif probably_chimera1_session(exc_info): 
    70556 File
    70557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70558 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70559 etype, evalue, etraceback = exc_info 
    70560 TypeError: cannot unpack non-iterable NoneType object 
    70561  
    70562 TypeError: cannot unpack non-iterable NoneType object 
    70563  
    70564 File
    70565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70566 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70567 etype, evalue, etraceback = exc_info 
    70568  
    70569 See log for complete Python traceback. 
    70570  
    70571 Traceback (most recent call last): 
    70572 File
    70573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70574 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70575 return self._func(self._name, data) 
    70576 File
    70577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70578 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70579 if v.display: 
    70580 File
    70581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70582 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70583 return self._any_displayed_positions and len(self._positions) > 0 
    70584 TypeError: object of type 'NoneType' has no len() 
    70585  
    70586 During handling of the above exception, another exception occurred: 
    70587  
    70588 Traceback (most recent call last): 
    70589 File
    70590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70591 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70592 if not self.draw_new_frame(): 
    70593 File
    70594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70595 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70596 changed = view.check_for_drawing_change() 
    70597 File
    70598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70599 packages/chimerax/core/graphics/view.py", line 252, in
    70600 check_for_drawing_change 
    70601 trig.activate_trigger('graphics update', self) 
    70602 File
    70603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70604 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70605 trigger.activate(data) 
    70606 File
    70607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70608 packages/chimerax/core/triggerset.py", line 190, in activate 
    70609 ret = handler.invoke(data, self._remove_bad_handlers) 
    70610 File
    70611 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70612 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70613 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70614 File
    70615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70616 packages/chimerax/core/session.py", line 943, in <lambda> 
    70617 logger.report_exception(preface=preface)) 
    70618 File
    70619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70620 packages/chimerax/core/logger.py", line 421, in report_exception 
    70621 elif probably_chimera1_session(exc_info): 
    70622 File
    70623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70624 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70625 etype, evalue, etraceback = exc_info 
    70626 TypeError: cannot unpack non-iterable NoneType object 
    70627  
    70628 TypeError: cannot unpack non-iterable NoneType object 
    70629  
    70630 File
    70631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70632 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70633 etype, evalue, etraceback = exc_info 
    70634  
    70635 See log for complete Python traceback. 
    70636  
    70637 Traceback (most recent call last): 
    70638 File
    70639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70640 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70641 return self._func(self._name, data) 
    70642 File
    70643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70644 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70645 if v.display: 
    70646 File
    70647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70648 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70649 return self._any_displayed_positions and len(self._positions) > 0 
    70650 TypeError: object of type 'NoneType' has no len() 
    70651  
    70652 During handling of the above exception, another exception occurred: 
    70653  
    70654 Traceback (most recent call last): 
    70655 File
    70656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70657 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70658 if not self.draw_new_frame(): 
    70659 File
    70660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70661 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70662 changed = view.check_for_drawing_change() 
    70663 File
    70664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70665 packages/chimerax/core/graphics/view.py", line 252, in
    70666 check_for_drawing_change 
    70667 trig.activate_trigger('graphics update', self) 
    70668 File
    70669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70670 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70671 trigger.activate(data) 
    70672 File
    70673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70674 packages/chimerax/core/triggerset.py", line 190, in activate 
    70675 ret = handler.invoke(data, self._remove_bad_handlers) 
    70676 File
    70677 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70678 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70679 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70680 File
    70681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70682 packages/chimerax/core/session.py", line 943, in <lambda> 
    70683 logger.report_exception(preface=preface)) 
    70684 File
    70685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70686 packages/chimerax/core/logger.py", line 421, in report_exception 
    70687 elif probably_chimera1_session(exc_info): 
    70688 File
    70689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70690 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70691 etype, evalue, etraceback = exc_info 
    70692 TypeError: cannot unpack non-iterable NoneType object 
    70693  
    70694 TypeError: cannot unpack non-iterable NoneType object 
    70695  
    70696 File
    70697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70698 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70699 etype, evalue, etraceback = exc_info 
    70700  
    70701 See log for complete Python traceback. 
    70702  
    70703 Traceback (most recent call last): 
    70704 File
    70705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70706 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70707 return self._func(self._name, data) 
    70708 File
    70709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70710 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70711 if v.display: 
    70712 File
    70713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70714 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70715 return self._any_displayed_positions and len(self._positions) > 0 
    70716 TypeError: object of type 'NoneType' has no len() 
    70717  
    70718 During handling of the above exception, another exception occurred: 
    70719  
    70720 Traceback (most recent call last): 
    70721 File
    70722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70723 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70724 if not self.draw_new_frame(): 
    70725 File
    70726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70727 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70728 changed = view.check_for_drawing_change() 
    70729 File
    70730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70731 packages/chimerax/core/graphics/view.py", line 252, in
    70732 check_for_drawing_change 
    70733 trig.activate_trigger('graphics update', self) 
    70734 File
    70735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70736 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70737 trigger.activate(data) 
    70738 File
    70739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70740 packages/chimerax/core/triggerset.py", line 190, in activate 
    70741 ret = handler.invoke(data, self._remove_bad_handlers) 
    70742 File
    70743 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70744 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70745 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70746 File
    70747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70748 packages/chimerax/core/session.py", line 943, in <lambda> 
    70749 logger.report_exception(preface=preface)) 
    70750 File
    70751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70752 packages/chimerax/core/logger.py", line 421, in report_exception 
    70753 elif probably_chimera1_session(exc_info): 
    70754 File
    70755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70756 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70757 etype, evalue, etraceback = exc_info 
    70758 TypeError: cannot unpack non-iterable NoneType object 
    70759  
    70760 TypeError: cannot unpack non-iterable NoneType object 
    70761  
    70762 File
    70763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70764 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70765 etype, evalue, etraceback = exc_info 
    70766  
    70767 See log for complete Python traceback. 
    70768  
    70769 Traceback (most recent call last): 
    70770 File
    70771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70772 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70773 return self._func(self._name, data) 
    70774 File
    70775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70776 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70777 if v.display: 
    70778 File
    70779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70780 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70781 return self._any_displayed_positions and len(self._positions) > 0 
    70782 TypeError: object of type 'NoneType' has no len() 
    70783  
    70784 During handling of the above exception, another exception occurred: 
    70785  
    70786 Traceback (most recent call last): 
    70787 File
    70788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70789 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70790 if not self.draw_new_frame(): 
    70791 File
    70792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70793 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70794 changed = view.check_for_drawing_change() 
    70795 File
    70796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70797 packages/chimerax/core/graphics/view.py", line 252, in
    70798 check_for_drawing_change 
    70799 trig.activate_trigger('graphics update', self) 
    70800 File
    70801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70802 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70803 trigger.activate(data) 
    70804 File
    70805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70806 packages/chimerax/core/triggerset.py", line 190, in activate 
    70807 ret = handler.invoke(data, self._remove_bad_handlers) 
    70808 File
    70809 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70810 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70811 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70812 File
    70813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70814 packages/chimerax/core/session.py", line 943, in <lambda> 
    70815 logger.report_exception(preface=preface)) 
    70816 File
    70817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70818 packages/chimerax/core/logger.py", line 421, in report_exception 
    70819 elif probably_chimera1_session(exc_info): 
    70820 File
    70821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70822 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70823 etype, evalue, etraceback = exc_info 
    70824 TypeError: cannot unpack non-iterable NoneType object 
    70825  
    70826 TypeError: cannot unpack non-iterable NoneType object 
    70827  
    70828 File
    70829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70830 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70831 etype, evalue, etraceback = exc_info 
    70832  
    70833 See log for complete Python traceback. 
    70834  
    70835 Traceback (most recent call last): 
    70836 File
    70837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70838 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70839 return self._func(self._name, data) 
    70840 File
    70841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70842 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70843 if v.display: 
    70844 File
    70845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70846 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70847 return self._any_displayed_positions and len(self._positions) > 0 
    70848 TypeError: object of type 'NoneType' has no len() 
    70849  
    70850 During handling of the above exception, another exception occurred: 
    70851  
    70852 Traceback (most recent call last): 
    70853 File
    70854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70855 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70856 if not self.draw_new_frame(): 
    70857 File
    70858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70859 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70860 changed = view.check_for_drawing_change() 
    70861 File
    70862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70863 packages/chimerax/core/graphics/view.py", line 252, in
    70864 check_for_drawing_change 
    70865 trig.activate_trigger('graphics update', self) 
    70866 File
    70867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70868 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70869 trigger.activate(data) 
    70870 File
    70871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70872 packages/chimerax/core/triggerset.py", line 190, in activate 
    70873 ret = handler.invoke(data, self._remove_bad_handlers) 
    70874 File
    70875 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70876 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70877 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70878 File
    70879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70880 packages/chimerax/core/session.py", line 943, in <lambda> 
    70881 logger.report_exception(preface=preface)) 
    70882 File
    70883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70884 packages/chimerax/core/logger.py", line 421, in report_exception 
    70885 elif probably_chimera1_session(exc_info): 
    70886 File
    70887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70888 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70889 etype, evalue, etraceback = exc_info 
    70890 TypeError: cannot unpack non-iterable NoneType object 
    70891  
    70892 TypeError: cannot unpack non-iterable NoneType object 
    70893  
    70894 File
    70895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70896 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70897 etype, evalue, etraceback = exc_info 
    70898  
    70899 See log for complete Python traceback. 
    70900  
    70901 Traceback (most recent call last): 
    70902 File
    70903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70904 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70905 return self._func(self._name, data) 
    70906 File
    70907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70908 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70909 if v.display: 
    70910 File
    70911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70912 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70913 return self._any_displayed_positions and len(self._positions) > 0 
    70914 TypeError: object of type 'NoneType' has no len() 
    70915  
    70916 During handling of the above exception, another exception occurred: 
    70917  
    70918 Traceback (most recent call last): 
    70919 File
    70920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70921 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70922 if not self.draw_new_frame(): 
    70923 File
    70924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70925 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70926 changed = view.check_for_drawing_change() 
    70927 File
    70928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70929 packages/chimerax/core/graphics/view.py", line 252, in
    70930 check_for_drawing_change 
    70931 trig.activate_trigger('graphics update', self) 
    70932 File
    70933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70934 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    70935 trigger.activate(data) 
    70936 File
    70937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70938 packages/chimerax/core/triggerset.py", line 190, in activate 
    70939 ret = handler.invoke(data, self._remove_bad_handlers) 
    70940 File
    70941 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70942 packages/chimerax/core/triggerset.py", line 132, in invoke 
    70943 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    70944 File
    70945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70946 packages/chimerax/core/session.py", line 943, in <lambda> 
    70947 logger.report_exception(preface=preface)) 
    70948 File
    70949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70950 packages/chimerax/core/logger.py", line 421, in report_exception 
    70951 elif probably_chimera1_session(exc_info): 
    70952 File
    70953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70954 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70955 etype, evalue, etraceback = exc_info 
    70956 TypeError: cannot unpack non-iterable NoneType object 
    70957  
    70958 TypeError: cannot unpack non-iterable NoneType object 
    70959  
    70960 File
    70961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70962 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    70963 etype, evalue, etraceback = exc_info 
    70964  
    70965 See log for complete Python traceback. 
    70966  
    70967 Traceback (most recent call last): 
    70968 File
    70969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70970 packages/chimerax/core/triggerset.py", line 130, in invoke 
    70971 return self._func(self._name, data) 
    70972 File
    70973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70974 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    70975 if v.display: 
    70976 File
    70977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70978 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    70979 return self._any_displayed_positions and len(self._positions) > 0 
    70980 TypeError: object of type 'NoneType' has no len() 
    70981  
    70982 During handling of the above exception, another exception occurred: 
    70983  
    70984 Traceback (most recent call last): 
    70985 File
    70986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70987 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    70988 if not self.draw_new_frame(): 
    70989 File
    70990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70991 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    70992 changed = view.check_for_drawing_change() 
    70993 File
    70994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    70995 packages/chimerax/core/graphics/view.py", line 252, in
    70996 check_for_drawing_change 
    70997 trig.activate_trigger('graphics update', self) 
    70998 File
    70999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71000 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71001 trigger.activate(data) 
    71002 File
    71003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71004 packages/chimerax/core/triggerset.py", line 190, in activate 
    71005 ret = handler.invoke(data, self._remove_bad_handlers) 
    71006 File
    71007 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71008 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71009 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71010 File
    71011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71012 packages/chimerax/core/session.py", line 943, in <lambda> 
    71013 logger.report_exception(preface=preface)) 
    71014 File
    71015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71016 packages/chimerax/core/logger.py", line 421, in report_exception 
    71017 elif probably_chimera1_session(exc_info): 
    71018 File
    71019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71020 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71021 etype, evalue, etraceback = exc_info 
    71022 TypeError: cannot unpack non-iterable NoneType object 
    71023  
    71024 TypeError: cannot unpack non-iterable NoneType object 
    71025  
    71026 File
    71027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71028 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71029 etype, evalue, etraceback = exc_info 
    71030  
    71031 See log for complete Python traceback. 
    71032  
    71033 Traceback (most recent call last): 
    71034 File
    71035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71036 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71037 return self._func(self._name, data) 
    71038 File
    71039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71040 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71041 if v.display: 
    71042 File
    71043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71044 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71045 return self._any_displayed_positions and len(self._positions) > 0 
    71046 TypeError: object of type 'NoneType' has no len() 
    71047  
    71048 During handling of the above exception, another exception occurred: 
    71049  
    71050 Traceback (most recent call last): 
    71051 File
    71052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71053 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71054 if not self.draw_new_frame(): 
    71055 File
    71056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71057 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71058 changed = view.check_for_drawing_change() 
    71059 File
    71060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71061 packages/chimerax/core/graphics/view.py", line 252, in
    71062 check_for_drawing_change 
    71063 trig.activate_trigger('graphics update', self) 
    71064 File
    71065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71066 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71067 trigger.activate(data) 
    71068 File
    71069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71070 packages/chimerax/core/triggerset.py", line 190, in activate 
    71071 ret = handler.invoke(data, self._remove_bad_handlers) 
    71072 File
    71073 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71074 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71075 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71076 File
    71077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71078 packages/chimerax/core/session.py", line 943, in <lambda> 
    71079 logger.report_exception(preface=preface)) 
    71080 File
    71081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71082 packages/chimerax/core/logger.py", line 421, in report_exception 
    71083 elif probably_chimera1_session(exc_info): 
    71084 File
    71085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71086 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71087 etype, evalue, etraceback = exc_info 
    71088 TypeError: cannot unpack non-iterable NoneType object 
    71089  
    71090 TypeError: cannot unpack non-iterable NoneType object 
    71091  
    71092 File
    71093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71094 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71095 etype, evalue, etraceback = exc_info 
    71096  
    71097 See log for complete Python traceback. 
    71098  
    71099 Traceback (most recent call last): 
    71100 File
    71101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71102 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71103 return self._func(self._name, data) 
    71104 File
    71105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71106 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71107 if v.display: 
    71108 File
    71109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71110 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71111 return self._any_displayed_positions and len(self._positions) > 0 
    71112 TypeError: object of type 'NoneType' has no len() 
    71113  
    71114 During handling of the above exception, another exception occurred: 
    71115  
    71116 Traceback (most recent call last): 
    71117 File
    71118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71119 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71120 if not self.draw_new_frame(): 
    71121 File
    71122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71123 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71124 changed = view.check_for_drawing_change() 
    71125 File
    71126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71127 packages/chimerax/core/graphics/view.py", line 252, in
    71128 check_for_drawing_change 
    71129 trig.activate_trigger('graphics update', self) 
    71130 File
    71131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71132 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71133 trigger.activate(data) 
    71134 File
    71135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71136 packages/chimerax/core/triggerset.py", line 190, in activate 
    71137 ret = handler.invoke(data, self._remove_bad_handlers) 
    71138 File
    71139 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71140 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71141 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71142 File
    71143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71144 packages/chimerax/core/session.py", line 943, in <lambda> 
    71145 logger.report_exception(preface=preface)) 
    71146 File
    71147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71148 packages/chimerax/core/logger.py", line 421, in report_exception 
    71149 elif probably_chimera1_session(exc_info): 
    71150 File
    71151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71152 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71153 etype, evalue, etraceback = exc_info 
    71154 TypeError: cannot unpack non-iterable NoneType object 
    71155  
    71156 TypeError: cannot unpack non-iterable NoneType object 
    71157  
    71158 File
    71159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71160 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71161 etype, evalue, etraceback = exc_info 
    71162  
    71163 See log for complete Python traceback. 
    71164  
    71165 Traceback (most recent call last): 
    71166 File
    71167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71169 return self._func(self._name, data) 
    71170 File
    71171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71172 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71173 if v.display: 
    71174 File
    71175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71176 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71177 return self._any_displayed_positions and len(self._positions) > 0 
    71178 TypeError: object of type 'NoneType' has no len() 
    71179  
    71180 During handling of the above exception, another exception occurred: 
    71181  
    71182 Traceback (most recent call last): 
    71183 File
    71184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71185 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71186 if not self.draw_new_frame(): 
    71187 File
    71188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71189 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71190 changed = view.check_for_drawing_change() 
    71191 File
    71192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71193 packages/chimerax/core/graphics/view.py", line 252, in
    71194 check_for_drawing_change 
    71195 trig.activate_trigger('graphics update', self) 
    71196 File
    71197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71198 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71199 trigger.activate(data) 
    71200 File
    71201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71202 packages/chimerax/core/triggerset.py", line 190, in activate 
    71203 ret = handler.invoke(data, self._remove_bad_handlers) 
    71204 File
    71205 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71206 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71207 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71208 File
    71209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71210 packages/chimerax/core/session.py", line 943, in <lambda> 
    71211 logger.report_exception(preface=preface)) 
    71212 File
    71213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71214 packages/chimerax/core/logger.py", line 421, in report_exception 
    71215 elif probably_chimera1_session(exc_info): 
    71216 File
    71217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71218 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71219 etype, evalue, etraceback = exc_info 
    71220 TypeError: cannot unpack non-iterable NoneType object 
    71221  
    71222 TypeError: cannot unpack non-iterable NoneType object 
    71223  
    71224 File
    71225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71226 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71227 etype, evalue, etraceback = exc_info 
    71228  
    71229 See log for complete Python traceback. 
    71230  
    71231 Traceback (most recent call last): 
    71232 File
    71233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71234 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71235 return self._func(self._name, data) 
    71236 File
    71237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71238 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71239 if v.display: 
    71240 File
    71241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71242 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71243 return self._any_displayed_positions and len(self._positions) > 0 
    71244 TypeError: object of type 'NoneType' has no len() 
    71245  
    71246 During handling of the above exception, another exception occurred: 
    71247  
    71248 Traceback (most recent call last): 
    71249 File
    71250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71251 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71252 if not self.draw_new_frame(): 
    71253 File
    71254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71255 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71256 changed = view.check_for_drawing_change() 
    71257 File
    71258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71259 packages/chimerax/core/graphics/view.py", line 252, in
    71260 check_for_drawing_change 
    71261 trig.activate_trigger('graphics update', self) 
    71262 File
    71263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71264 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71265 trigger.activate(data) 
    71266 File
    71267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71268 packages/chimerax/core/triggerset.py", line 190, in activate 
    71269 ret = handler.invoke(data, self._remove_bad_handlers) 
    71270 File
    71271 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71272 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71273 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71274 File
    71275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71276 packages/chimerax/core/session.py", line 943, in <lambda> 
    71277 logger.report_exception(preface=preface)) 
    71278 File
    71279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71280 packages/chimerax/core/logger.py", line 421, in report_exception 
    71281 elif probably_chimera1_session(exc_info): 
    71282 File
    71283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71284 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71285 etype, evalue, etraceback = exc_info 
    71286 TypeError: cannot unpack non-iterable NoneType object 
    71287  
    71288 TypeError: cannot unpack non-iterable NoneType object 
    71289  
    71290 File
    71291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71292 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71293 etype, evalue, etraceback = exc_info 
    71294  
    71295 See log for complete Python traceback. 
    71296  
    71297 Traceback (most recent call last): 
    71298 File
    71299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71300 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71301 return self._func(self._name, data) 
    71302 File
    71303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71304 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71305 if v.display: 
    71306 File
    71307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71308 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71309 return self._any_displayed_positions and len(self._positions) > 0 
    71310 TypeError: object of type 'NoneType' has no len() 
    71311  
    71312 During handling of the above exception, another exception occurred: 
    71313  
    71314 Traceback (most recent call last): 
    71315 File
    71316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71317 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71318 if not self.draw_new_frame(): 
    71319 File
    71320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71321 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71322 changed = view.check_for_drawing_change() 
    71323 File
    71324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71325 packages/chimerax/core/graphics/view.py", line 252, in
    71326 check_for_drawing_change 
    71327 trig.activate_trigger('graphics update', self) 
    71328 File
    71329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71330 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71331 trigger.activate(data) 
    71332 File
    71333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71334 packages/chimerax/core/triggerset.py", line 190, in activate 
    71335 ret = handler.invoke(data, self._remove_bad_handlers) 
    71336 File
    71337 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71338 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71339 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71340 File
    71341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71342 packages/chimerax/core/session.py", line 943, in <lambda> 
    71343 logger.report_exception(preface=preface)) 
    71344 File
    71345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71346 packages/chimerax/core/logger.py", line 421, in report_exception 
    71347 elif probably_chimera1_session(exc_info): 
    71348 File
    71349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71350 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71351 etype, evalue, etraceback = exc_info 
    71352 TypeError: cannot unpack non-iterable NoneType object 
    71353  
    71354 TypeError: cannot unpack non-iterable NoneType object 
    71355  
    71356 File
    71357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71358 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71359 etype, evalue, etraceback = exc_info 
    71360  
    71361 See log for complete Python traceback. 
    71362  
    71363 Traceback (most recent call last): 
    71364 File
    71365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71366 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71367 return self._func(self._name, data) 
    71368 File
    71369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71370 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71371 if v.display: 
    71372 File
    71373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71374 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71375 return self._any_displayed_positions and len(self._positions) > 0 
    71376 TypeError: object of type 'NoneType' has no len() 
    71377  
    71378 During handling of the above exception, another exception occurred: 
    71379  
    71380 Traceback (most recent call last): 
    71381 File
    71382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71383 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71384 if not self.draw_new_frame(): 
    71385 File
    71386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71387 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71388 changed = view.check_for_drawing_change() 
    71389 File
    71390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71391 packages/chimerax/core/graphics/view.py", line 252, in
    71392 check_for_drawing_change 
    71393 trig.activate_trigger('graphics update', self) 
    71394 File
    71395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71396 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71397 trigger.activate(data) 
    71398 File
    71399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71400 packages/chimerax/core/triggerset.py", line 190, in activate 
    71401 ret = handler.invoke(data, self._remove_bad_handlers) 
    71402 File
    71403 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71404 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71405 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71406 File
    71407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71408 packages/chimerax/core/session.py", line 943, in <lambda> 
    71409 logger.report_exception(preface=preface)) 
    71410 File
    71411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71412 packages/chimerax/core/logger.py", line 421, in report_exception 
    71413 elif probably_chimera1_session(exc_info): 
    71414 File
    71415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71416 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71417 etype, evalue, etraceback = exc_info 
    71418 TypeError: cannot unpack non-iterable NoneType object 
    71419  
    71420 TypeError: cannot unpack non-iterable NoneType object 
    71421  
    71422 File
    71423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71424 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71425 etype, evalue, etraceback = exc_info 
    71426  
    71427 See log for complete Python traceback. 
    71428  
    71429 Traceback (most recent call last): 
    71430 File
    71431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71432 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71433 return self._func(self._name, data) 
    71434 File
    71435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71436 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71437 if v.display: 
    71438 File
    71439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71440 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71441 return self._any_displayed_positions and len(self._positions) > 0 
    71442 TypeError: object of type 'NoneType' has no len() 
    71443  
    71444 During handling of the above exception, another exception occurred: 
    71445  
    71446 Traceback (most recent call last): 
    71447 File
    71448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71449 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71450 if not self.draw_new_frame(): 
    71451 File
    71452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71453 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71454 changed = view.check_for_drawing_change() 
    71455 File
    71456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71457 packages/chimerax/core/graphics/view.py", line 252, in
    71458 check_for_drawing_change 
    71459 trig.activate_trigger('graphics update', self) 
    71460 File
    71461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71462 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71463 trigger.activate(data) 
    71464 File
    71465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71466 packages/chimerax/core/triggerset.py", line 190, in activate 
    71467 ret = handler.invoke(data, self._remove_bad_handlers) 
    71468 File
    71469 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71470 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71471 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71472 File
    71473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71474 packages/chimerax/core/session.py", line 943, in <lambda> 
    71475 logger.report_exception(preface=preface)) 
    71476 File
    71477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71478 packages/chimerax/core/logger.py", line 421, in report_exception 
    71479 elif probably_chimera1_session(exc_info): 
    71480 File
    71481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71482 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71483 etype, evalue, etraceback = exc_info 
    71484 TypeError: cannot unpack non-iterable NoneType object 
    71485  
    71486 TypeError: cannot unpack non-iterable NoneType object 
    71487  
    71488 File
    71489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71490 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71491 etype, evalue, etraceback = exc_info 
    71492  
    71493 See log for complete Python traceback. 
    71494  
    71495 Traceback (most recent call last): 
    71496 File
    71497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71498 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71499 return self._func(self._name, data) 
    71500 File
    71501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71502 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71503 if v.display: 
    71504 File
    71505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71506 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71507 return self._any_displayed_positions and len(self._positions) > 0 
    71508 TypeError: object of type 'NoneType' has no len() 
    71509  
    71510 During handling of the above exception, another exception occurred: 
    71511  
    71512 Traceback (most recent call last): 
    71513 File
    71514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71515 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71516 if not self.draw_new_frame(): 
    71517 File
    71518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71519 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71520 changed = view.check_for_drawing_change() 
    71521 File
    71522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71523 packages/chimerax/core/graphics/view.py", line 252, in
    71524 check_for_drawing_change 
    71525 trig.activate_trigger('graphics update', self) 
    71526 File
    71527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71528 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71529 trigger.activate(data) 
    71530 File
    71531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71532 packages/chimerax/core/triggerset.py", line 190, in activate 
    71533 ret = handler.invoke(data, self._remove_bad_handlers) 
    71534 File
    71535 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71536 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71537 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71538 File
    71539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71540 packages/chimerax/core/session.py", line 943, in <lambda> 
    71541 logger.report_exception(preface=preface)) 
    71542 File
    71543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71544 packages/chimerax/core/logger.py", line 421, in report_exception 
    71545 elif probably_chimera1_session(exc_info): 
    71546 File
    71547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71548 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71549 etype, evalue, etraceback = exc_info 
    71550 TypeError: cannot unpack non-iterable NoneType object 
    71551  
    71552 TypeError: cannot unpack non-iterable NoneType object 
    71553  
    71554 File
    71555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71556 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71557 etype, evalue, etraceback = exc_info 
    71558  
    71559 See log for complete Python traceback. 
    71560  
    71561 Traceback (most recent call last): 
    71562 File
    71563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71564 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71565 return self._func(self._name, data) 
    71566 File
    71567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71568 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71569 if v.display: 
    71570 File
    71571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71572 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71573 return self._any_displayed_positions and len(self._positions) > 0 
    71574 TypeError: object of type 'NoneType' has no len() 
    71575  
    71576 During handling of the above exception, another exception occurred: 
    71577  
    71578 Traceback (most recent call last): 
    71579 File
    71580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71581 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71582 if not self.draw_new_frame(): 
    71583 File
    71584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71585 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71586 changed = view.check_for_drawing_change() 
    71587 File
    71588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71589 packages/chimerax/core/graphics/view.py", line 252, in
    71590 check_for_drawing_change 
    71591 trig.activate_trigger('graphics update', self) 
    71592 File
    71593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71594 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71595 trigger.activate(data) 
    71596 File
    71597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71598 packages/chimerax/core/triggerset.py", line 190, in activate 
    71599 ret = handler.invoke(data, self._remove_bad_handlers) 
    71600 File
    71601 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71602 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71603 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71604 File
    71605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71606 packages/chimerax/core/session.py", line 943, in <lambda> 
    71607 logger.report_exception(preface=preface)) 
    71608 File
    71609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71610 packages/chimerax/core/logger.py", line 421, in report_exception 
    71611 elif probably_chimera1_session(exc_info): 
    71612 File
    71613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71614 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71615 etype, evalue, etraceback = exc_info 
    71616 TypeError: cannot unpack non-iterable NoneType object 
    71617  
    71618 TypeError: cannot unpack non-iterable NoneType object 
    71619  
    71620 File
    71621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71622 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71623 etype, evalue, etraceback = exc_info 
    71624  
    71625 See log for complete Python traceback. 
    71626  
    71627 Traceback (most recent call last): 
    71628 File
    71629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71630 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71631 return self._func(self._name, data) 
    71632 File
    71633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71634 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71635 if v.display: 
    71636 File
    71637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71638 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71639 return self._any_displayed_positions and len(self._positions) > 0 
    71640 TypeError: object of type 'NoneType' has no len() 
    71641  
    71642 During handling of the above exception, another exception occurred: 
    71643  
    71644 Traceback (most recent call last): 
    71645 File
    71646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71647 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71648 if not self.draw_new_frame(): 
    71649 File
    71650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71651 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71652 changed = view.check_for_drawing_change() 
    71653 File
    71654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71655 packages/chimerax/core/graphics/view.py", line 252, in
    71656 check_for_drawing_change 
    71657 trig.activate_trigger('graphics update', self) 
    71658 File
    71659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71660 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71661 trigger.activate(data) 
    71662 File
    71663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71664 packages/chimerax/core/triggerset.py", line 190, in activate 
    71665 ret = handler.invoke(data, self._remove_bad_handlers) 
    71666 File
    71667 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71668 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71669 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71670 File
    71671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71672 packages/chimerax/core/session.py", line 943, in <lambda> 
    71673 logger.report_exception(preface=preface)) 
    71674 File
    71675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71676 packages/chimerax/core/logger.py", line 421, in report_exception 
    71677 elif probably_chimera1_session(exc_info): 
    71678 File
    71679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71680 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71681 etype, evalue, etraceback = exc_info 
    71682 TypeError: cannot unpack non-iterable NoneType object 
    71683  
    71684 TypeError: cannot unpack non-iterable NoneType object 
    71685  
    71686 File
    71687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71688 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71689 etype, evalue, etraceback = exc_info 
    71690  
    71691 See log for complete Python traceback. 
    71692  
    71693 
    71694 > close #1
    71695 
    71696 Traceback (most recent call last): 
    71697 File
    71698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71699 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71700 return self._func(self._name, data) 
    71701 File
    71702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71703 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71704 if v.display: 
    71705 File
    71706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71707 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71708 return self._any_displayed_positions and len(self._positions) > 0 
    71709 TypeError: object of type 'NoneType' has no len() 
    71710  
    71711 During handling of the above exception, another exception occurred: 
    71712  
    71713 Traceback (most recent call last): 
    71714 File
    71715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71716 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71717 if not self.draw_new_frame(): 
    71718 File
    71719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71720 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71721 changed = view.check_for_drawing_change() 
    71722 File
    71723 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71724 packages/chimerax/core/graphics/view.py", line 252, in
    71725 check_for_drawing_change 
    71726 trig.activate_trigger('graphics update', self) 
    71727 File
    71728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71729 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71730 trigger.activate(data) 
    71731 File
    71732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71733 packages/chimerax/core/triggerset.py", line 190, in activate 
    71734 ret = handler.invoke(data, self._remove_bad_handlers) 
    71735 File
    71736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71737 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71738 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71739 File
    71740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71741 packages/chimerax/core/session.py", line 943, in <lambda> 
    71742 logger.report_exception(preface=preface)) 
    71743 File
    71744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71745 packages/chimerax/core/logger.py", line 421, in report_exception 
    71746 elif probably_chimera1_session(exc_info): 
    71747 File
    71748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71750 etype, evalue, etraceback = exc_info 
    71751 TypeError: cannot unpack non-iterable NoneType object 
    71752  
    71753 TypeError: cannot unpack non-iterable NoneType object 
    71754  
    71755 File
    71756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71757 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71758 etype, evalue, etraceback = exc_info 
    71759  
    71760 See log for complete Python traceback. 
    71761  
    71762 Traceback (most recent call last): 
    71763 File
    71764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71765 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71766 return self._func(self._name, data) 
    71767 File
    71768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71769 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71770 if v.display: 
    71771 File
    71772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71773 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71774 return self._any_displayed_positions and len(self._positions) > 0 
    71775 TypeError: object of type 'NoneType' has no len() 
    71776  
    71777 During handling of the above exception, another exception occurred: 
    71778  
    71779 Traceback (most recent call last): 
    71780 File
    71781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71782 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71783 if not self.draw_new_frame(): 
    71784 File
    71785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71786 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71787 changed = view.check_for_drawing_change() 
    71788 File
    71789 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71790 packages/chimerax/core/graphics/view.py", line 252, in
    71791 check_for_drawing_change 
    71792 trig.activate_trigger('graphics update', self) 
    71793 File
    71794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71795 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71796 trigger.activate(data) 
    71797 File
    71798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71799 packages/chimerax/core/triggerset.py", line 190, in activate 
    71800 ret = handler.invoke(data, self._remove_bad_handlers) 
    71801 File
    71802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71803 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71804 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71805 File
    71806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71807 packages/chimerax/core/session.py", line 943, in <lambda> 
    71808 logger.report_exception(preface=preface)) 
    71809 File
    71810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71811 packages/chimerax/core/logger.py", line 421, in report_exception 
    71812 elif probably_chimera1_session(exc_info): 
    71813 File
    71814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71816 etype, evalue, etraceback = exc_info 
    71817 TypeError: cannot unpack non-iterable NoneType object 
    71818  
    71819 TypeError: cannot unpack non-iterable NoneType object 
    71820  
    71821 File
    71822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71823 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71824 etype, evalue, etraceback = exc_info 
    71825  
    71826 See log for complete Python traceback. 
    71827  
    71828 Traceback (most recent call last): 
    71829 File
    71830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71831 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71832 return self._func(self._name, data) 
    71833 File
    71834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71835 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71836 if v.display: 
    71837 File
    71838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71839 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71840 return self._any_displayed_positions and len(self._positions) > 0 
    71841 TypeError: object of type 'NoneType' has no len() 
    71842  
    71843 During handling of the above exception, another exception occurred: 
    71844  
    71845 Traceback (most recent call last): 
    71846 File
    71847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71848 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71849 if not self.draw_new_frame(): 
    71850 File
    71851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71852 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71853 changed = view.check_for_drawing_change() 
    71854 File
    71855 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71856 packages/chimerax/core/graphics/view.py", line 252, in
    71857 check_for_drawing_change 
    71858 trig.activate_trigger('graphics update', self) 
    71859 File
    71860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71861 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71862 trigger.activate(data) 
    71863 File
    71864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71865 packages/chimerax/core/triggerset.py", line 190, in activate 
    71866 ret = handler.invoke(data, self._remove_bad_handlers) 
    71867 File
    71868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71869 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71870 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71871 File
    71872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71873 packages/chimerax/core/session.py", line 943, in <lambda> 
    71874 logger.report_exception(preface=preface)) 
    71875 File
    71876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71877 packages/chimerax/core/logger.py", line 421, in report_exception 
    71878 elif probably_chimera1_session(exc_info): 
    71879 File
    71880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71882 etype, evalue, etraceback = exc_info 
    71883 TypeError: cannot unpack non-iterable NoneType object 
    71884  
    71885 TypeError: cannot unpack non-iterable NoneType object 
    71886  
    71887 File
    71888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71889 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71890 etype, evalue, etraceback = exc_info 
    71891  
    71892 See log for complete Python traceback. 
    71893  
    71894 Traceback (most recent call last): 
    71895 File
    71896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71897 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71898 return self._func(self._name, data) 
    71899 File
    71900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71901 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71902 if v.display: 
    71903 File
    71904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71905 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71906 return self._any_displayed_positions and len(self._positions) > 0 
    71907 TypeError: object of type 'NoneType' has no len() 
    71908  
    71909 During handling of the above exception, another exception occurred: 
    71910  
    71911 Traceback (most recent call last): 
    71912 File
    71913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71914 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71915 if not self.draw_new_frame(): 
    71916 File
    71917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71918 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71919 changed = view.check_for_drawing_change() 
    71920 File
    71921 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71922 packages/chimerax/core/graphics/view.py", line 252, in
    71923 check_for_drawing_change 
    71924 trig.activate_trigger('graphics update', self) 
    71925 File
    71926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71927 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71928 trigger.activate(data) 
    71929 File
    71930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71931 packages/chimerax/core/triggerset.py", line 190, in activate 
    71932 ret = handler.invoke(data, self._remove_bad_handlers) 
    71933 File
    71934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71935 packages/chimerax/core/triggerset.py", line 132, in invoke 
    71936 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    71937 File
    71938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71939 packages/chimerax/core/session.py", line 943, in <lambda> 
    71940 logger.report_exception(preface=preface)) 
    71941 File
    71942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71943 packages/chimerax/core/logger.py", line 421, in report_exception 
    71944 elif probably_chimera1_session(exc_info): 
    71945 File
    71946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71948 etype, evalue, etraceback = exc_info 
    71949 TypeError: cannot unpack non-iterable NoneType object 
    71950  
    71951 TypeError: cannot unpack non-iterable NoneType object 
    71952  
    71953 File
    71954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71955 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    71956 etype, evalue, etraceback = exc_info 
    71957  
    71958 See log for complete Python traceback. 
    71959  
    71960 Traceback (most recent call last): 
    71961 File
    71962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71963 packages/chimerax/core/triggerset.py", line 130, in invoke 
    71964 return self._func(self._name, data) 
    71965 File
    71966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71967 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    71968 if v.display: 
    71969 File
    71970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71971 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    71972 return self._any_displayed_positions and len(self._positions) > 0 
    71973 TypeError: object of type 'NoneType' has no len() 
    71974  
    71975 During handling of the above exception, another exception occurred: 
    71976  
    71977 Traceback (most recent call last): 
    71978 File
    71979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71980 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    71981 if not self.draw_new_frame(): 
    71982 File
    71983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71984 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    71985 changed = view.check_for_drawing_change() 
    71986 File
    71987 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71988 packages/chimerax/core/graphics/view.py", line 252, in
    71989 check_for_drawing_change 
    71990 trig.activate_trigger('graphics update', self) 
    71991 File
    71992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71993 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    71994 trigger.activate(data) 
    71995 File
    71996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    71997 packages/chimerax/core/triggerset.py", line 190, in activate 
    71998 ret = handler.invoke(data, self._remove_bad_handlers) 
    71999 File
    72000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72001 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72002 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72003 File
    72004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72005 packages/chimerax/core/session.py", line 943, in <lambda> 
    72006 logger.report_exception(preface=preface)) 
    72007 File
    72008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72009 packages/chimerax/core/logger.py", line 421, in report_exception 
    72010 elif probably_chimera1_session(exc_info): 
    72011 File
    72012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72014 etype, evalue, etraceback = exc_info 
    72015 TypeError: cannot unpack non-iterable NoneType object 
    72016  
    72017 TypeError: cannot unpack non-iterable NoneType object 
    72018  
    72019 File
    72020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72021 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72022 etype, evalue, etraceback = exc_info 
    72023  
    72024 See log for complete Python traceback. 
    72025  
    72026 Traceback (most recent call last): 
    72027 File
    72028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72029 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72030 return self._func(self._name, data) 
    72031 File
    72032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72033 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72034 if v.display: 
    72035 File
    72036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72037 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72038 return self._any_displayed_positions and len(self._positions) > 0 
    72039 TypeError: object of type 'NoneType' has no len() 
    72040  
    72041 During handling of the above exception, another exception occurred: 
    72042  
    72043 Traceback (most recent call last): 
    72044 File
    72045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72046 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72047 if not self.draw_new_frame(): 
    72048 File
    72049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72050 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72051 changed = view.check_for_drawing_change() 
    72052 File
    72053 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72054 packages/chimerax/core/graphics/view.py", line 252, in
    72055 check_for_drawing_change 
    72056 trig.activate_trigger('graphics update', self) 
    72057 File
    72058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72059 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72060 trigger.activate(data) 
    72061 File
    72062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72063 packages/chimerax/core/triggerset.py", line 190, in activate 
    72064 ret = handler.invoke(data, self._remove_bad_handlers) 
    72065 File
    72066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72067 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72068 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72069 File
    72070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72071 packages/chimerax/core/session.py", line 943, in <lambda> 
    72072 logger.report_exception(preface=preface)) 
    72073 File
    72074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72075 packages/chimerax/core/logger.py", line 421, in report_exception 
    72076 elif probably_chimera1_session(exc_info): 
    72077 File
    72078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72080 etype, evalue, etraceback = exc_info 
    72081 TypeError: cannot unpack non-iterable NoneType object 
    72082  
    72083 TypeError: cannot unpack non-iterable NoneType object 
    72084  
    72085 File
    72086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72087 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72088 etype, evalue, etraceback = exc_info 
    72089  
    72090 See log for complete Python traceback. 
    72091  
    72092 Traceback (most recent call last): 
    72093 File
    72094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72095 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72096 return self._func(self._name, data) 
    72097 File
    72098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72099 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72100 if v.display: 
    72101 File
    72102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72103 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72104 return self._any_displayed_positions and len(self._positions) > 0 
    72105 TypeError: object of type 'NoneType' has no len() 
    72106  
    72107 During handling of the above exception, another exception occurred: 
    72108  
    72109 Traceback (most recent call last): 
    72110 File
    72111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72112 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72113 if not self.draw_new_frame(): 
    72114 File
    72115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72116 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72117 changed = view.check_for_drawing_change() 
    72118 File
    72119 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72120 packages/chimerax/core/graphics/view.py", line 252, in
    72121 check_for_drawing_change 
    72122 trig.activate_trigger('graphics update', self) 
    72123 File
    72124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72125 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72126 trigger.activate(data) 
    72127 File
    72128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72129 packages/chimerax/core/triggerset.py", line 190, in activate 
    72130 ret = handler.invoke(data, self._remove_bad_handlers) 
    72131 File
    72132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72133 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72134 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72135 File
    72136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72137 packages/chimerax/core/session.py", line 943, in <lambda> 
    72138 logger.report_exception(preface=preface)) 
    72139 File
    72140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72141 packages/chimerax/core/logger.py", line 421, in report_exception 
    72142 elif probably_chimera1_session(exc_info): 
    72143 File
    72144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72146 etype, evalue, etraceback = exc_info 
    72147 TypeError: cannot unpack non-iterable NoneType object 
    72148  
    72149 TypeError: cannot unpack non-iterable NoneType object 
    72150  
    72151 File
    72152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72153 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72154 etype, evalue, etraceback = exc_info 
    72155  
    72156 See log for complete Python traceback. 
    72157  
    72158 Traceback (most recent call last): 
    72159 File
    72160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72161 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72162 return self._func(self._name, data) 
    72163 File
    72164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72165 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72166 if v.display: 
    72167 File
    72168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72169 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72170 return self._any_displayed_positions and len(self._positions) > 0 
    72171 TypeError: object of type 'NoneType' has no len() 
    72172  
    72173 During handling of the above exception, another exception occurred: 
    72174  
    72175 Traceback (most recent call last): 
    72176 File
    72177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72178 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72179 if not self.draw_new_frame(): 
    72180 File
    72181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72182 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72183 changed = view.check_for_drawing_change() 
    72184 File
    72185 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72186 packages/chimerax/core/graphics/view.py", line 252, in
    72187 check_for_drawing_change 
    72188 trig.activate_trigger('graphics update', self) 
    72189 File
    72190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72191 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72192 trigger.activate(data) 
    72193 File
    72194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72195 packages/chimerax/core/triggerset.py", line 190, in activate 
    72196 ret = handler.invoke(data, self._remove_bad_handlers) 
    72197 File
    72198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72199 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72200 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72201 File
    72202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72203 packages/chimerax/core/session.py", line 943, in <lambda> 
    72204 logger.report_exception(preface=preface)) 
    72205 File
    72206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72207 packages/chimerax/core/logger.py", line 421, in report_exception 
    72208 elif probably_chimera1_session(exc_info): 
    72209 File
    72210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72212 etype, evalue, etraceback = exc_info 
    72213 TypeError: cannot unpack non-iterable NoneType object 
    72214  
    72215 TypeError: cannot unpack non-iterable NoneType object 
    72216  
    72217 File
    72218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72219 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72220 etype, evalue, etraceback = exc_info 
    72221  
    72222 See log for complete Python traceback. 
    72223  
    72224 Traceback (most recent call last): 
    72225 File
    72226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72227 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72228 return self._func(self._name, data) 
    72229 File
    72230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72231 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72232 if v.display: 
    72233 File
    72234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72235 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72236 return self._any_displayed_positions and len(self._positions) > 0 
    72237 TypeError: object of type 'NoneType' has no len() 
    72238  
    72239 During handling of the above exception, another exception occurred: 
    72240  
    72241 Traceback (most recent call last): 
    72242 File
    72243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72244 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72245 if not self.draw_new_frame(): 
    72246 File
    72247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72248 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72249 changed = view.check_for_drawing_change() 
    72250 File
    72251 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72252 packages/chimerax/core/graphics/view.py", line 252, in
    72253 check_for_drawing_change 
    72254 trig.activate_trigger('graphics update', self) 
    72255 File
    72256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72257 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72258 trigger.activate(data) 
    72259 File
    72260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72261 packages/chimerax/core/triggerset.py", line 190, in activate 
    72262 ret = handler.invoke(data, self._remove_bad_handlers) 
    72263 File
    72264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72265 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72266 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72267 File
    72268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72269 packages/chimerax/core/session.py", line 943, in <lambda> 
    72270 logger.report_exception(preface=preface)) 
    72271 File
    72272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72273 packages/chimerax/core/logger.py", line 421, in report_exception 
    72274 elif probably_chimera1_session(exc_info): 
    72275 File
    72276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72278 etype, evalue, etraceback = exc_info 
    72279 TypeError: cannot unpack non-iterable NoneType object 
    72280  
    72281 TypeError: cannot unpack non-iterable NoneType object 
    72282  
    72283 File
    72284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72285 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72286 etype, evalue, etraceback = exc_info 
    72287  
    72288 See log for complete Python traceback. 
    72289  
    72290 Traceback (most recent call last): 
    72291 File
    72292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72294 return self._func(self._name, data) 
    72295 File
    72296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72297 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72298 if v.display: 
    72299 File
    72300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72301 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72302 return self._any_displayed_positions and len(self._positions) > 0 
    72303 TypeError: object of type 'NoneType' has no len() 
    72304  
    72305 During handling of the above exception, another exception occurred: 
    72306  
    72307 Traceback (most recent call last): 
    72308 File
    72309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72310 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72311 if not self.draw_new_frame(): 
    72312 File
    72313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72314 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72315 changed = view.check_for_drawing_change() 
    72316 File
    72317 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72318 packages/chimerax/core/graphics/view.py", line 252, in
    72319 check_for_drawing_change 
    72320 trig.activate_trigger('graphics update', self) 
    72321 File
    72322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72323 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72324 trigger.activate(data) 
    72325 File
    72326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72327 packages/chimerax/core/triggerset.py", line 190, in activate 
    72328 ret = handler.invoke(data, self._remove_bad_handlers) 
    72329 File
    72330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72331 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72332 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72333 File
    72334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72335 packages/chimerax/core/session.py", line 943, in <lambda> 
    72336 logger.report_exception(preface=preface)) 
    72337 File
    72338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72339 packages/chimerax/core/logger.py", line 421, in report_exception 
    72340 elif probably_chimera1_session(exc_info): 
    72341 File
    72342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72344 etype, evalue, etraceback = exc_info 
    72345 TypeError: cannot unpack non-iterable NoneType object 
    72346  
    72347 TypeError: cannot unpack non-iterable NoneType object 
    72348  
    72349 File
    72350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72351 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72352 etype, evalue, etraceback = exc_info 
    72353  
    72354 See log for complete Python traceback. 
    72355  
    72356 Traceback (most recent call last): 
    72357 File
    72358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72359 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72360 return self._func(self._name, data) 
    72361 File
    72362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72363 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72364 if v.display: 
    72365 File
    72366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72367 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72368 return self._any_displayed_positions and len(self._positions) > 0 
    72369 TypeError: object of type 'NoneType' has no len() 
    72370  
    72371 During handling of the above exception, another exception occurred: 
    72372  
    72373 Traceback (most recent call last): 
    72374 File
    72375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72376 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72377 if not self.draw_new_frame(): 
    72378 File
    72379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72380 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72381 changed = view.check_for_drawing_change() 
    72382 File
    72383 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72384 packages/chimerax/core/graphics/view.py", line 252, in
    72385 check_for_drawing_change 
    72386 trig.activate_trigger('graphics update', self) 
    72387 File
    72388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72389 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72390 trigger.activate(data) 
    72391 File
    72392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72393 packages/chimerax/core/triggerset.py", line 190, in activate 
    72394 ret = handler.invoke(data, self._remove_bad_handlers) 
    72395 File
    72396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72397 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72398 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72399 File
    72400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72401 packages/chimerax/core/session.py", line 943, in <lambda> 
    72402 logger.report_exception(preface=preface)) 
    72403 File
    72404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72405 packages/chimerax/core/logger.py", line 421, in report_exception 
    72406 elif probably_chimera1_session(exc_info): 
    72407 File
    72408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72410 etype, evalue, etraceback = exc_info 
    72411 TypeError: cannot unpack non-iterable NoneType object 
    72412  
    72413 TypeError: cannot unpack non-iterable NoneType object 
    72414  
    72415 File
    72416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72417 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72418 etype, evalue, etraceback = exc_info 
    72419  
    72420 See log for complete Python traceback. 
    72421  
    72422 Traceback (most recent call last): 
    72423 File
    72424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72425 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72426 return self._func(self._name, data) 
    72427 File
    72428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72429 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72430 if v.display: 
    72431 File
    72432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72433 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72434 return self._any_displayed_positions and len(self._positions) > 0 
    72435 TypeError: object of type 'NoneType' has no len() 
    72436  
    72437 During handling of the above exception, another exception occurred: 
    72438  
    72439 Traceback (most recent call last): 
    72440 File
    72441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72442 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72443 if not self.draw_new_frame(): 
    72444 File
    72445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72446 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72447 changed = view.check_for_drawing_change() 
    72448 File
    72449 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72450 packages/chimerax/core/graphics/view.py", line 252, in
    72451 check_for_drawing_change 
    72452 trig.activate_trigger('graphics update', self) 
    72453 File
    72454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72455 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72456 trigger.activate(data) 
    72457 File
    72458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72459 packages/chimerax/core/triggerset.py", line 190, in activate 
    72460 ret = handler.invoke(data, self._remove_bad_handlers) 
    72461 File
    72462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72463 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72464 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72465 File
    72466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72467 packages/chimerax/core/session.py", line 943, in <lambda> 
    72468 logger.report_exception(preface=preface)) 
    72469 File
    72470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72471 packages/chimerax/core/logger.py", line 421, in report_exception 
    72472 elif probably_chimera1_session(exc_info): 
    72473 File
    72474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72476 etype, evalue, etraceback = exc_info 
    72477 TypeError: cannot unpack non-iterable NoneType object 
    72478  
    72479 TypeError: cannot unpack non-iterable NoneType object 
    72480  
    72481 File
    72482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72483 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72484 etype, evalue, etraceback = exc_info 
    72485  
    72486 See log for complete Python traceback. 
    72487  
    72488 Traceback (most recent call last): 
    72489 File
    72490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72491 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72492 return self._func(self._name, data) 
    72493 File
    72494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72495 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72496 if v.display: 
    72497 File
    72498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72499 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72500 return self._any_displayed_positions and len(self._positions) > 0 
    72501 TypeError: object of type 'NoneType' has no len() 
    72502  
    72503 During handling of the above exception, another exception occurred: 
    72504  
    72505 Traceback (most recent call last): 
    72506 File
    72507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72508 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72509 if not self.draw_new_frame(): 
    72510 File
    72511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72512 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72513 changed = view.check_for_drawing_change() 
    72514 File
    72515 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72516 packages/chimerax/core/graphics/view.py", line 252, in
    72517 check_for_drawing_change 
    72518 trig.activate_trigger('graphics update', self) 
    72519 File
    72520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72521 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72522 trigger.activate(data) 
    72523 File
    72524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72525 packages/chimerax/core/triggerset.py", line 190, in activate 
    72526 ret = handler.invoke(data, self._remove_bad_handlers) 
    72527 File
    72528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72529 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72530 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72531 File
    72532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72533 packages/chimerax/core/session.py", line 943, in <lambda> 
    72534 logger.report_exception(preface=preface)) 
    72535 File
    72536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72537 packages/chimerax/core/logger.py", line 421, in report_exception 
    72538 elif probably_chimera1_session(exc_info): 
    72539 File
    72540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72542 etype, evalue, etraceback = exc_info 
    72543 TypeError: cannot unpack non-iterable NoneType object 
    72544  
    72545 TypeError: cannot unpack non-iterable NoneType object 
    72546  
    72547 File
    72548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72549 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72550 etype, evalue, etraceback = exc_info 
    72551  
    72552 See log for complete Python traceback. 
    72553  
    72554 Traceback (most recent call last): 
    72555 File
    72556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72557 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72558 return self._func(self._name, data) 
    72559 File
    72560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72561 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72562 if v.display: 
    72563 File
    72564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72565 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72566 return self._any_displayed_positions and len(self._positions) > 0 
    72567 TypeError: object of type 'NoneType' has no len() 
    72568  
    72569 During handling of the above exception, another exception occurred: 
    72570  
    72571 Traceback (most recent call last): 
    72572 File
    72573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72574 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72575 if not self.draw_new_frame(): 
    72576 File
    72577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72578 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72579 changed = view.check_for_drawing_change() 
    72580 File
    72581 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72582 packages/chimerax/core/graphics/view.py", line 252, in
    72583 check_for_drawing_change 
    72584 trig.activate_trigger('graphics update', self) 
    72585 File
    72586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72587 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72588 trigger.activate(data) 
    72589 File
    72590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72591 packages/chimerax/core/triggerset.py", line 190, in activate 
    72592 ret = handler.invoke(data, self._remove_bad_handlers) 
    72593 File
    72594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72595 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72596 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72597 File
    72598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72599 packages/chimerax/core/session.py", line 943, in <lambda> 
    72600 logger.report_exception(preface=preface)) 
    72601 File
    72602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72603 packages/chimerax/core/logger.py", line 421, in report_exception 
    72604 elif probably_chimera1_session(exc_info): 
    72605 File
    72606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72608 etype, evalue, etraceback = exc_info 
    72609 TypeError: cannot unpack non-iterable NoneType object 
    72610  
    72611 TypeError: cannot unpack non-iterable NoneType object 
    72612  
    72613 File
    72614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72615 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72616 etype, evalue, etraceback = exc_info 
    72617  
    72618 See log for complete Python traceback. 
    72619  
    72620 Traceback (most recent call last): 
    72621 File
    72622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72623 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72624 return self._func(self._name, data) 
    72625 File
    72626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72627 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72628 if v.display: 
    72629 File
    72630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72631 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72632 return self._any_displayed_positions and len(self._positions) > 0 
    72633 TypeError: object of type 'NoneType' has no len() 
    72634  
    72635 During handling of the above exception, another exception occurred: 
    72636  
    72637 Traceback (most recent call last): 
    72638 File
    72639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72640 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72641 if not self.draw_new_frame(): 
    72642 File
    72643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72644 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72645 changed = view.check_for_drawing_change() 
    72646 File
    72647 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72648 packages/chimerax/core/graphics/view.py", line 252, in
    72649 check_for_drawing_change 
    72650 trig.activate_trigger('graphics update', self) 
    72651 File
    72652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72653 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72654 trigger.activate(data) 
    72655 File
    72656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72657 packages/chimerax/core/triggerset.py", line 190, in activate 
    72658 ret = handler.invoke(data, self._remove_bad_handlers) 
    72659 File
    72660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72661 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72662 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72663 File
    72664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72665 packages/chimerax/core/session.py", line 943, in <lambda> 
    72666 logger.report_exception(preface=preface)) 
    72667 File
    72668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72669 packages/chimerax/core/logger.py", line 421, in report_exception 
    72670 elif probably_chimera1_session(exc_info): 
    72671 File
    72672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72674 etype, evalue, etraceback = exc_info 
    72675 TypeError: cannot unpack non-iterable NoneType object 
    72676  
    72677 TypeError: cannot unpack non-iterable NoneType object 
    72678  
    72679 File
    72680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72681 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72682 etype, evalue, etraceback = exc_info 
    72683  
    72684 See log for complete Python traceback. 
    72685  
    72686 Traceback (most recent call last): 
    72687 File
    72688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72689 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72690 return self._func(self._name, data) 
    72691 File
    72692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72693 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72694 if v.display: 
    72695 File
    72696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72697 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72698 return self._any_displayed_positions and len(self._positions) > 0 
    72699 TypeError: object of type 'NoneType' has no len() 
    72700  
    72701 During handling of the above exception, another exception occurred: 
    72702  
    72703 Traceback (most recent call last): 
    72704 File
    72705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72706 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72707 if not self.draw_new_frame(): 
    72708 File
    72709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72710 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72711 changed = view.check_for_drawing_change() 
    72712 File
    72713 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72714 packages/chimerax/core/graphics/view.py", line 252, in
    72715 check_for_drawing_change 
    72716 trig.activate_trigger('graphics update', self) 
    72717 File
    72718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72719 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72720 trigger.activate(data) 
    72721 File
    72722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72723 packages/chimerax/core/triggerset.py", line 190, in activate 
    72724 ret = handler.invoke(data, self._remove_bad_handlers) 
    72725 File
    72726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72727 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72728 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72729 File
    72730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72731 packages/chimerax/core/session.py", line 943, in <lambda> 
    72732 logger.report_exception(preface=preface)) 
    72733 File
    72734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72735 packages/chimerax/core/logger.py", line 421, in report_exception 
    72736 elif probably_chimera1_session(exc_info): 
    72737 File
    72738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72740 etype, evalue, etraceback = exc_info 
    72741 TypeError: cannot unpack non-iterable NoneType object 
    72742  
    72743 TypeError: cannot unpack non-iterable NoneType object 
    72744  
    72745 File
    72746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72747 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72748 etype, evalue, etraceback = exc_info 
    72749  
    72750 See log for complete Python traceback. 
    72751  
    72752 Traceback (most recent call last): 
    72753 File
    72754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72755 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72756 return self._func(self._name, data) 
    72757 File
    72758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72759 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72760 if v.display: 
    72761 File
    72762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72763 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72764 return self._any_displayed_positions and len(self._positions) > 0 
    72765 TypeError: object of type 'NoneType' has no len() 
    72766  
    72767 During handling of the above exception, another exception occurred: 
    72768  
    72769 Traceback (most recent call last): 
    72770 File
    72771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72772 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72773 if not self.draw_new_frame(): 
    72774 File
    72775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72776 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72777 changed = view.check_for_drawing_change() 
    72778 File
    72779 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72780 packages/chimerax/core/graphics/view.py", line 252, in
    72781 check_for_drawing_change 
    72782 trig.activate_trigger('graphics update', self) 
    72783 File
    72784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72785 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72786 trigger.activate(data) 
    72787 File
    72788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72789 packages/chimerax/core/triggerset.py", line 190, in activate 
    72790 ret = handler.invoke(data, self._remove_bad_handlers) 
    72791 File
    72792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72793 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72794 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72795 File
    72796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72797 packages/chimerax/core/session.py", line 943, in <lambda> 
    72798 logger.report_exception(preface=preface)) 
    72799 File
    72800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72801 packages/chimerax/core/logger.py", line 421, in report_exception 
    72802 elif probably_chimera1_session(exc_info): 
    72803 File
    72804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72806 etype, evalue, etraceback = exc_info 
    72807 TypeError: cannot unpack non-iterable NoneType object 
    72808  
    72809 TypeError: cannot unpack non-iterable NoneType object 
    72810  
    72811 File
    72812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72813 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72814 etype, evalue, etraceback = exc_info 
    72815  
    72816 See log for complete Python traceback. 
    72817  
    72818 Traceback (most recent call last): 
    72819 File
    72820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72821 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72822 return self._func(self._name, data) 
    72823 File
    72824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72825 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72826 if v.display: 
    72827 File
    72828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72829 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72830 return self._any_displayed_positions and len(self._positions) > 0 
    72831 TypeError: object of type 'NoneType' has no len() 
    72832  
    72833 During handling of the above exception, another exception occurred: 
    72834  
    72835 Traceback (most recent call last): 
    72836 File
    72837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72838 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72839 if not self.draw_new_frame(): 
    72840 File
    72841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72842 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72843 changed = view.check_for_drawing_change() 
    72844 File
    72845 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72846 packages/chimerax/core/graphics/view.py", line 252, in
    72847 check_for_drawing_change 
    72848 trig.activate_trigger('graphics update', self) 
    72849 File
    72850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72851 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72852 trigger.activate(data) 
    72853 File
    72854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72855 packages/chimerax/core/triggerset.py", line 190, in activate 
    72856 ret = handler.invoke(data, self._remove_bad_handlers) 
    72857 File
    72858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72859 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72860 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72861 File
    72862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72863 packages/chimerax/core/session.py", line 943, in <lambda> 
    72864 logger.report_exception(preface=preface)) 
    72865 File
    72866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72867 packages/chimerax/core/logger.py", line 421, in report_exception 
    72868 elif probably_chimera1_session(exc_info): 
    72869 File
    72870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72872 etype, evalue, etraceback = exc_info 
    72873 TypeError: cannot unpack non-iterable NoneType object 
    72874  
    72875 TypeError: cannot unpack non-iterable NoneType object 
    72876  
    72877 File
    72878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72879 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72880 etype, evalue, etraceback = exc_info 
    72881  
    72882 See log for complete Python traceback. 
    72883  
    72884 Traceback (most recent call last): 
    72885 File
    72886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72887 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72888 return self._func(self._name, data) 
    72889 File
    72890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72891 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72892 if v.display: 
    72893 File
    72894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72895 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72896 return self._any_displayed_positions and len(self._positions) > 0 
    72897 TypeError: object of type 'NoneType' has no len() 
    72898  
    72899 During handling of the above exception, another exception occurred: 
    72900  
    72901 Traceback (most recent call last): 
    72902 File
    72903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72904 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72905 if not self.draw_new_frame(): 
    72906 File
    72907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72908 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72909 changed = view.check_for_drawing_change() 
    72910 File
    72911 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72912 packages/chimerax/core/graphics/view.py", line 252, in
    72913 check_for_drawing_change 
    72914 trig.activate_trigger('graphics update', self) 
    72915 File
    72916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72917 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72918 trigger.activate(data) 
    72919 File
    72920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72921 packages/chimerax/core/triggerset.py", line 190, in activate 
    72922 ret = handler.invoke(data, self._remove_bad_handlers) 
    72923 File
    72924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72925 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72926 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72927 File
    72928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72929 packages/chimerax/core/session.py", line 943, in <lambda> 
    72930 logger.report_exception(preface=preface)) 
    72931 File
    72932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72933 packages/chimerax/core/logger.py", line 421, in report_exception 
    72934 elif probably_chimera1_session(exc_info): 
    72935 File
    72936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72938 etype, evalue, etraceback = exc_info 
    72939 TypeError: cannot unpack non-iterable NoneType object 
    72940  
    72941 TypeError: cannot unpack non-iterable NoneType object 
    72942  
    72943 File
    72944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72945 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    72946 etype, evalue, etraceback = exc_info 
    72947  
    72948 See log for complete Python traceback. 
    72949  
    72950 Traceback (most recent call last): 
    72951 File
    72952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72953 packages/chimerax/core/triggerset.py", line 130, in invoke 
    72954 return self._func(self._name, data) 
    72955 File
    72956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72957 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    72958 if v.display: 
    72959 File
    72960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72961 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    72962 return self._any_displayed_positions and len(self._positions) > 0 
    72963 TypeError: object of type 'NoneType' has no len() 
    72964  
    72965 During handling of the above exception, another exception occurred: 
    72966  
    72967 Traceback (most recent call last): 
    72968 File
    72969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72970 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    72971 if not self.draw_new_frame(): 
    72972 File
    72973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72974 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    72975 changed = view.check_for_drawing_change() 
    72976 File
    72977 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72978 packages/chimerax/core/graphics/view.py", line 252, in
    72979 check_for_drawing_change 
    72980 trig.activate_trigger('graphics update', self) 
    72981 File
    72982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72983 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    72984 trigger.activate(data) 
    72985 File
    72986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72987 packages/chimerax/core/triggerset.py", line 190, in activate 
    72988 ret = handler.invoke(data, self._remove_bad_handlers) 
    72989 File
    72990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72991 packages/chimerax/core/triggerset.py", line 132, in invoke 
    72992 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    72993 File
    72994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72995 packages/chimerax/core/session.py", line 943, in <lambda> 
    72996 logger.report_exception(preface=preface)) 
    72997 File
    72998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    72999 packages/chimerax/core/logger.py", line 421, in report_exception 
    73000 elif probably_chimera1_session(exc_info): 
    73001 File
    73002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73004 etype, evalue, etraceback = exc_info 
    73005 TypeError: cannot unpack non-iterable NoneType object 
    73006  
    73007 TypeError: cannot unpack non-iterable NoneType object 
    73008  
    73009 File
    73010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73011 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73012 etype, evalue, etraceback = exc_info 
    73013  
    73014 See log for complete Python traceback. 
    73015  
    73016 Traceback (most recent call last): 
    73017 File
    73018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73019 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73020 return self._func(self._name, data) 
    73021 File
    73022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73023 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73024 if v.display: 
    73025 File
    73026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73027 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73028 return self._any_displayed_positions and len(self._positions) > 0 
    73029 TypeError: object of type 'NoneType' has no len() 
    73030  
    73031 During handling of the above exception, another exception occurred: 
    73032  
    73033 Traceback (most recent call last): 
    73034 File
    73035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73036 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73037 if not self.draw_new_frame(): 
    73038 File
    73039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73040 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73041 changed = view.check_for_drawing_change() 
    73042 File
    73043 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73044 packages/chimerax/core/graphics/view.py", line 252, in
    73045 check_for_drawing_change 
    73046 trig.activate_trigger('graphics update', self) 
    73047 File
    73048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73049 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73050 trigger.activate(data) 
    73051 File
    73052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73053 packages/chimerax/core/triggerset.py", line 190, in activate 
    73054 ret = handler.invoke(data, self._remove_bad_handlers) 
    73055 File
    73056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73057 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73058 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73059 File
    73060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73061 packages/chimerax/core/session.py", line 943, in <lambda> 
    73062 logger.report_exception(preface=preface)) 
    73063 File
    73064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73065 packages/chimerax/core/logger.py", line 421, in report_exception 
    73066 elif probably_chimera1_session(exc_info): 
    73067 File
    73068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73070 etype, evalue, etraceback = exc_info 
    73071 TypeError: cannot unpack non-iterable NoneType object 
    73072  
    73073 TypeError: cannot unpack non-iterable NoneType object 
    73074  
    73075 File
    73076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73077 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73078 etype, evalue, etraceback = exc_info 
    73079  
    73080 See log for complete Python traceback. 
    73081  
    73082 Traceback (most recent call last): 
    73083 File
    73084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73085 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73086 return self._func(self._name, data) 
    73087 File
    73088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73089 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73090 if v.display: 
    73091 File
    73092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73093 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73094 return self._any_displayed_positions and len(self._positions) > 0 
    73095 TypeError: object of type 'NoneType' has no len() 
    73096  
    73097 During handling of the above exception, another exception occurred: 
    73098  
    73099 Traceback (most recent call last): 
    73100 File
    73101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73102 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73103 if not self.draw_new_frame(): 
    73104 File
    73105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73106 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73107 changed = view.check_for_drawing_change() 
    73108 File
    73109 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73110 packages/chimerax/core/graphics/view.py", line 252, in
    73111 check_for_drawing_change 
    73112 trig.activate_trigger('graphics update', self) 
    73113 File
    73114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73115 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73116 trigger.activate(data) 
    73117 File
    73118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73119 packages/chimerax/core/triggerset.py", line 190, in activate 
    73120 ret = handler.invoke(data, self._remove_bad_handlers) 
    73121 File
    73122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73123 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73124 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73125 File
    73126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73127 packages/chimerax/core/session.py", line 943, in <lambda> 
    73128 logger.report_exception(preface=preface)) 
    73129 File
    73130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73131 packages/chimerax/core/logger.py", line 421, in report_exception 
    73132 elif probably_chimera1_session(exc_info): 
    73133 File
    73134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73136 etype, evalue, etraceback = exc_info 
    73137 TypeError: cannot unpack non-iterable NoneType object 
    73138  
    73139 TypeError: cannot unpack non-iterable NoneType object 
    73140  
    73141 File
    73142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73143 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73144 etype, evalue, etraceback = exc_info 
    73145  
    73146 See log for complete Python traceback. 
    73147  
    73148 Traceback (most recent call last): 
    73149 File
    73150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73151 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73152 return self._func(self._name, data) 
    73153 File
    73154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73155 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73156 if v.display: 
    73157 File
    73158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73159 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73160 return self._any_displayed_positions and len(self._positions) > 0 
    73161 TypeError: object of type 'NoneType' has no len() 
    73162  
    73163 During handling of the above exception, another exception occurred: 
    73164  
    73165 Traceback (most recent call last): 
    73166 File
    73167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73168 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73169 if not self.draw_new_frame(): 
    73170 File
    73171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73172 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73173 changed = view.check_for_drawing_change() 
    73174 File
    73175 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73176 packages/chimerax/core/graphics/view.py", line 252, in
    73177 check_for_drawing_change 
    73178 trig.activate_trigger('graphics update', self) 
    73179 File
    73180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73181 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73182 trigger.activate(data) 
    73183 File
    73184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73185 packages/chimerax/core/triggerset.py", line 190, in activate 
    73186 ret = handler.invoke(data, self._remove_bad_handlers) 
    73187 File
    73188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73189 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73190 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73191 File
    73192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73193 packages/chimerax/core/session.py", line 943, in <lambda> 
    73194 logger.report_exception(preface=preface)) 
    73195 File
    73196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73197 packages/chimerax/core/logger.py", line 421, in report_exception 
    73198 elif probably_chimera1_session(exc_info): 
    73199 File
    73200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73202 etype, evalue, etraceback = exc_info 
    73203 TypeError: cannot unpack non-iterable NoneType object 
    73204  
    73205 TypeError: cannot unpack non-iterable NoneType object 
    73206  
    73207 File
    73208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73209 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73210 etype, evalue, etraceback = exc_info 
    73211  
    73212 See log for complete Python traceback. 
    73213  
    73214 Traceback (most recent call last): 
    73215 File
    73216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73217 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73218 return self._func(self._name, data) 
    73219 File
    73220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73221 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73222 if v.display: 
    73223 File
    73224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73225 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73226 return self._any_displayed_positions and len(self._positions) > 0 
    73227 TypeError: object of type 'NoneType' has no len() 
    73228  
    73229 During handling of the above exception, another exception occurred: 
    73230  
    73231 Traceback (most recent call last): 
    73232 File
    73233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73234 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73235 if not self.draw_new_frame(): 
    73236 File
    73237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73238 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73239 changed = view.check_for_drawing_change() 
    73240 File
    73241 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73242 packages/chimerax/core/graphics/view.py", line 252, in
    73243 check_for_drawing_change 
    73244 trig.activate_trigger('graphics update', self) 
    73245 File
    73246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73247 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73248 trigger.activate(data) 
    73249 File
    73250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73251 packages/chimerax/core/triggerset.py", line 190, in activate 
    73252 ret = handler.invoke(data, self._remove_bad_handlers) 
    73253 File
    73254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73255 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73256 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73257 File
    73258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73259 packages/chimerax/core/session.py", line 943, in <lambda> 
    73260 logger.report_exception(preface=preface)) 
    73261 File
    73262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73263 packages/chimerax/core/logger.py", line 421, in report_exception 
    73264 elif probably_chimera1_session(exc_info): 
    73265 File
    73266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73268 etype, evalue, etraceback = exc_info 
    73269 TypeError: cannot unpack non-iterable NoneType object 
    73270  
    73271 TypeError: cannot unpack non-iterable NoneType object 
    73272  
    73273 File
    73274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73275 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73276 etype, evalue, etraceback = exc_info 
    73277  
    73278 See log for complete Python traceback. 
    73279  
    73280 Traceback (most recent call last): 
    73281 File
    73282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73283 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73284 return self._func(self._name, data) 
    73285 File
    73286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73287 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73288 if v.display: 
    73289 File
    73290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73291 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73292 return self._any_displayed_positions and len(self._positions) > 0 
    73293 TypeError: object of type 'NoneType' has no len() 
    73294  
    73295 During handling of the above exception, another exception occurred: 
    73296  
    73297 Traceback (most recent call last): 
    73298 File
    73299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73300 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73301 if not self.draw_new_frame(): 
    73302 File
    73303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73304 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73305 changed = view.check_for_drawing_change() 
    73306 File
    73307 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73308 packages/chimerax/core/graphics/view.py", line 252, in
    73309 check_for_drawing_change 
    73310 trig.activate_trigger('graphics update', self) 
    73311 File
    73312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73313 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73314 trigger.activate(data) 
    73315 File
    73316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73317 packages/chimerax/core/triggerset.py", line 190, in activate 
    73318 ret = handler.invoke(data, self._remove_bad_handlers) 
    73319 File
    73320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73321 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73322 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73323 File
    73324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73325 packages/chimerax/core/session.py", line 943, in <lambda> 
    73326 logger.report_exception(preface=preface)) 
    73327 File
    73328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73329 packages/chimerax/core/logger.py", line 421, in report_exception 
    73330 elif probably_chimera1_session(exc_info): 
    73331 File
    73332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73334 etype, evalue, etraceback = exc_info 
    73335 TypeError: cannot unpack non-iterable NoneType object 
    73336  
    73337 TypeError: cannot unpack non-iterable NoneType object 
    73338  
    73339 File
    73340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73341 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73342 etype, evalue, etraceback = exc_info 
    73343  
    73344 See log for complete Python traceback. 
    73345  
    73346 Traceback (most recent call last): 
    73347 File
    73348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73349 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73350 return self._func(self._name, data) 
    73351 File
    73352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73353 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73354 if v.display: 
    73355 File
    73356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73357 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73358 return self._any_displayed_positions and len(self._positions) > 0 
    73359 TypeError: object of type 'NoneType' has no len() 
    73360  
    73361 During handling of the above exception, another exception occurred: 
    73362  
    73363 Traceback (most recent call last): 
    73364 File
    73365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73366 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73367 if not self.draw_new_frame(): 
    73368 File
    73369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73370 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73371 changed = view.check_for_drawing_change() 
    73372 File
    73373 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73374 packages/chimerax/core/graphics/view.py", line 252, in
    73375 check_for_drawing_change 
    73376 trig.activate_trigger('graphics update', self) 
    73377 File
    73378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73379 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73380 trigger.activate(data) 
    73381 File
    73382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73383 packages/chimerax/core/triggerset.py", line 190, in activate 
    73384 ret = handler.invoke(data, self._remove_bad_handlers) 
    73385 File
    73386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73387 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73388 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73389 File
    73390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73391 packages/chimerax/core/session.py", line 943, in <lambda> 
    73392 logger.report_exception(preface=preface)) 
    73393 File
    73394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73395 packages/chimerax/core/logger.py", line 421, in report_exception 
    73396 elif probably_chimera1_session(exc_info): 
    73397 File
    73398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73400 etype, evalue, etraceback = exc_info 
    73401 TypeError: cannot unpack non-iterable NoneType object 
    73402  
    73403 TypeError: cannot unpack non-iterable NoneType object 
    73404  
    73405 File
    73406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73407 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73408 etype, evalue, etraceback = exc_info 
    73409  
    73410 See log for complete Python traceback. 
    73411  
    73412 Traceback (most recent call last): 
    73413 File
    73414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73415 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73416 return self._func(self._name, data) 
    73417 File
    73418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73419 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73420 if v.display: 
    73421 File
    73422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73423 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73424 return self._any_displayed_positions and len(self._positions) > 0 
    73425 TypeError: object of type 'NoneType' has no len() 
    73426  
    73427 During handling of the above exception, another exception occurred: 
    73428  
    73429 Traceback (most recent call last): 
    73430 File
    73431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73432 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73433 if not self.draw_new_frame(): 
    73434 File
    73435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73436 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73437 changed = view.check_for_drawing_change() 
    73438 File
    73439 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73440 packages/chimerax/core/graphics/view.py", line 252, in
    73441 check_for_drawing_change 
    73442 trig.activate_trigger('graphics update', self) 
    73443 File
    73444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73445 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73446 trigger.activate(data) 
    73447 File
    73448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73449 packages/chimerax/core/triggerset.py", line 190, in activate 
    73450 ret = handler.invoke(data, self._remove_bad_handlers) 
    73451 File
    73452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73453 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73454 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73455 File
    73456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73457 packages/chimerax/core/session.py", line 943, in <lambda> 
    73458 logger.report_exception(preface=preface)) 
    73459 File
    73460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73461 packages/chimerax/core/logger.py", line 421, in report_exception 
    73462 elif probably_chimera1_session(exc_info): 
    73463 File
    73464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73466 etype, evalue, etraceback = exc_info 
    73467 TypeError: cannot unpack non-iterable NoneType object 
    73468  
    73469 TypeError: cannot unpack non-iterable NoneType object 
    73470  
    73471 File
    73472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73473 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73474 etype, evalue, etraceback = exc_info 
    73475  
    73476 See log for complete Python traceback. 
    73477  
    73478 Traceback (most recent call last): 
    73479 File
    73480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73481 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73482 return self._func(self._name, data) 
    73483 File
    73484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73485 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73486 if v.display: 
    73487 File
    73488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73489 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73490 return self._any_displayed_positions and len(self._positions) > 0 
    73491 TypeError: object of type 'NoneType' has no len() 
    73492  
    73493 During handling of the above exception, another exception occurred: 
    73494  
    73495 Traceback (most recent call last): 
    73496 File
    73497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73498 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73499 if not self.draw_new_frame(): 
    73500 File
    73501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73502 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73503 changed = view.check_for_drawing_change() 
    73504 File
    73505 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73506 packages/chimerax/core/graphics/view.py", line 252, in
    73507 check_for_drawing_change 
    73508 trig.activate_trigger('graphics update', self) 
    73509 File
    73510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73511 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73512 trigger.activate(data) 
    73513 File
    73514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73515 packages/chimerax/core/triggerset.py", line 190, in activate 
    73516 ret = handler.invoke(data, self._remove_bad_handlers) 
    73517 File
    73518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73519 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73520 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73521 File
    73522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73523 packages/chimerax/core/session.py", line 943, in <lambda> 
    73524 logger.report_exception(preface=preface)) 
    73525 File
    73526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73527 packages/chimerax/core/logger.py", line 421, in report_exception 
    73528 elif probably_chimera1_session(exc_info): 
    73529 File
    73530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73532 etype, evalue, etraceback = exc_info 
    73533 TypeError: cannot unpack non-iterable NoneType object 
    73534  
    73535 TypeError: cannot unpack non-iterable NoneType object 
    73536  
    73537 File
    73538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73539 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73540 etype, evalue, etraceback = exc_info 
    73541  
    73542 See log for complete Python traceback. 
    73543  
    73544 Traceback (most recent call last): 
    73545 File
    73546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73547 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73548 return self._func(self._name, data) 
    73549 File
    73550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73551 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73552 if v.display: 
    73553 File
    73554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73555 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73556 return self._any_displayed_positions and len(self._positions) > 0 
    73557 TypeError: object of type 'NoneType' has no len() 
    73558  
    73559 During handling of the above exception, another exception occurred: 
    73560  
    73561 Traceback (most recent call last): 
    73562 File
    73563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73564 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73565 if not self.draw_new_frame(): 
    73566 File
    73567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73568 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73569 changed = view.check_for_drawing_change() 
    73570 File
    73571 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73572 packages/chimerax/core/graphics/view.py", line 252, in
    73573 check_for_drawing_change 
    73574 trig.activate_trigger('graphics update', self) 
    73575 File
    73576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73577 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73578 trigger.activate(data) 
    73579 File
    73580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73581 packages/chimerax/core/triggerset.py", line 190, in activate 
    73582 ret = handler.invoke(data, self._remove_bad_handlers) 
    73583 File
    73584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73585 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73586 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73587 File
    73588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73589 packages/chimerax/core/session.py", line 943, in <lambda> 
    73590 logger.report_exception(preface=preface)) 
    73591 File
    73592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73593 packages/chimerax/core/logger.py", line 421, in report_exception 
    73594 elif probably_chimera1_session(exc_info): 
    73595 File
    73596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73598 etype, evalue, etraceback = exc_info 
    73599 TypeError: cannot unpack non-iterable NoneType object 
    73600  
    73601 TypeError: cannot unpack non-iterable NoneType object 
    73602  
    73603 File
    73604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73605 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73606 etype, evalue, etraceback = exc_info 
    73607  
    73608 See log for complete Python traceback. 
    73609  
    73610 Traceback (most recent call last): 
    73611 File
    73612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73613 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73614 return self._func(self._name, data) 
    73615 File
    73616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73617 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73618 if v.display: 
    73619 File
    73620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73621 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73622 return self._any_displayed_positions and len(self._positions) > 0 
    73623 TypeError: object of type 'NoneType' has no len() 
    73624  
    73625 During handling of the above exception, another exception occurred: 
    73626  
    73627 Traceback (most recent call last): 
    73628 File
    73629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73630 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73631 if not self.draw_new_frame(): 
    73632 File
    73633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73634 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73635 changed = view.check_for_drawing_change() 
    73636 File
    73637 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73638 packages/chimerax/core/graphics/view.py", line 252, in
    73639 check_for_drawing_change 
    73640 trig.activate_trigger('graphics update', self) 
    73641 File
    73642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73643 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73644 trigger.activate(data) 
    73645 File
    73646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73647 packages/chimerax/core/triggerset.py", line 190, in activate 
    73648 ret = handler.invoke(data, self._remove_bad_handlers) 
    73649 File
    73650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73651 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73652 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73653 File
    73654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73655 packages/chimerax/core/session.py", line 943, in <lambda> 
    73656 logger.report_exception(preface=preface)) 
    73657 File
    73658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73659 packages/chimerax/core/logger.py", line 421, in report_exception 
    73660 elif probably_chimera1_session(exc_info): 
    73661 File
    73662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73664 etype, evalue, etraceback = exc_info 
    73665 TypeError: cannot unpack non-iterable NoneType object 
    73666  
    73667 TypeError: cannot unpack non-iterable NoneType object 
    73668  
    73669 File
    73670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73671 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73672 etype, evalue, etraceback = exc_info 
    73673  
    73674 See log for complete Python traceback. 
    73675  
    73676 Traceback (most recent call last): 
    73677 File
    73678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73679 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73680 return self._func(self._name, data) 
    73681 File
    73682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73683 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73684 if v.display: 
    73685 File
    73686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73687 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73688 return self._any_displayed_positions and len(self._positions) > 0 
    73689 TypeError: object of type 'NoneType' has no len() 
    73690  
    73691 During handling of the above exception, another exception occurred: 
    73692  
    73693 Traceback (most recent call last): 
    73694 File
    73695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73696 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73697 if not self.draw_new_frame(): 
    73698 File
    73699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73700 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73701 changed = view.check_for_drawing_change() 
    73702 File
    73703 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73704 packages/chimerax/core/graphics/view.py", line 252, in
    73705 check_for_drawing_change 
    73706 trig.activate_trigger('graphics update', self) 
    73707 File
    73708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73709 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73710 trigger.activate(data) 
    73711 File
    73712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73713 packages/chimerax/core/triggerset.py", line 190, in activate 
    73714 ret = handler.invoke(data, self._remove_bad_handlers) 
    73715 File
    73716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73717 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73718 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73719 File
    73720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73721 packages/chimerax/core/session.py", line 943, in <lambda> 
    73722 logger.report_exception(preface=preface)) 
    73723 File
    73724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73725 packages/chimerax/core/logger.py", line 421, in report_exception 
    73726 elif probably_chimera1_session(exc_info): 
    73727 File
    73728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73730 etype, evalue, etraceback = exc_info 
    73731 TypeError: cannot unpack non-iterable NoneType object 
    73732  
    73733 TypeError: cannot unpack non-iterable NoneType object 
    73734  
    73735 File
    73736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73737 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73738 etype, evalue, etraceback = exc_info 
    73739  
    73740 See log for complete Python traceback. 
    73741  
    73742 Traceback (most recent call last): 
    73743 File
    73744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73745 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73746 return self._func(self._name, data) 
    73747 File
    73748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73749 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73750 if v.display: 
    73751 File
    73752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73753 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73754 return self._any_displayed_positions and len(self._positions) > 0 
    73755 TypeError: object of type 'NoneType' has no len() 
    73756  
    73757 During handling of the above exception, another exception occurred: 
    73758  
    73759 Traceback (most recent call last): 
    73760 File
    73761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73762 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73763 if not self.draw_new_frame(): 
    73764 File
    73765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73766 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73767 changed = view.check_for_drawing_change() 
    73768 File
    73769 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73770 packages/chimerax/core/graphics/view.py", line 252, in
    73771 check_for_drawing_change 
    73772 trig.activate_trigger('graphics update', self) 
    73773 File
    73774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73775 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73776 trigger.activate(data) 
    73777 File
    73778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73779 packages/chimerax/core/triggerset.py", line 190, in activate 
    73780 ret = handler.invoke(data, self._remove_bad_handlers) 
    73781 File
    73782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73783 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73784 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73785 File
    73786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73787 packages/chimerax/core/session.py", line 943, in <lambda> 
    73788 logger.report_exception(preface=preface)) 
    73789 File
    73790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73791 packages/chimerax/core/logger.py", line 421, in report_exception 
    73792 elif probably_chimera1_session(exc_info): 
    73793 File
    73794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73796 etype, evalue, etraceback = exc_info 
    73797 TypeError: cannot unpack non-iterable NoneType object 
    73798  
    73799 TypeError: cannot unpack non-iterable NoneType object 
    73800  
    73801 File
    73802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73803 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73804 etype, evalue, etraceback = exc_info 
    73805  
    73806 See log for complete Python traceback. 
    73807  
    73808 Traceback (most recent call last): 
    73809 File
    73810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73811 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73812 return self._func(self._name, data) 
    73813 File
    73814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73815 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73816 if v.display: 
    73817 File
    73818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73819 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73820 return self._any_displayed_positions and len(self._positions) > 0 
    73821 TypeError: object of type 'NoneType' has no len() 
    73822  
    73823 During handling of the above exception, another exception occurred: 
    73824  
    73825 Traceback (most recent call last): 
    73826 File
    73827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73828 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73829 if not self.draw_new_frame(): 
    73830 File
    73831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73832 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73833 changed = view.check_for_drawing_change() 
    73834 File
    73835 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73836 packages/chimerax/core/graphics/view.py", line 252, in
    73837 check_for_drawing_change 
    73838 trig.activate_trigger('graphics update', self) 
    73839 File
    73840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73841 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73842 trigger.activate(data) 
    73843 File
    73844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73845 packages/chimerax/core/triggerset.py", line 190, in activate 
    73846 ret = handler.invoke(data, self._remove_bad_handlers) 
    73847 File
    73848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73849 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73850 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73851 File
    73852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73853 packages/chimerax/core/session.py", line 943, in <lambda> 
    73854 logger.report_exception(preface=preface)) 
    73855 File
    73856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73857 packages/chimerax/core/logger.py", line 421, in report_exception 
    73858 elif probably_chimera1_session(exc_info): 
    73859 File
    73860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73862 etype, evalue, etraceback = exc_info 
    73863 TypeError: cannot unpack non-iterable NoneType object 
    73864  
    73865 TypeError: cannot unpack non-iterable NoneType object 
    73866  
    73867 File
    73868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73869 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73870 etype, evalue, etraceback = exc_info 
    73871  
    73872 See log for complete Python traceback. 
    73873  
    73874 Traceback (most recent call last): 
    73875 File
    73876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73877 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73878 return self._func(self._name, data) 
    73879 File
    73880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73881 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73882 if v.display: 
    73883 File
    73884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73885 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73886 return self._any_displayed_positions and len(self._positions) > 0 
    73887 TypeError: object of type 'NoneType' has no len() 
    73888  
    73889 During handling of the above exception, another exception occurred: 
    73890  
    73891 Traceback (most recent call last): 
    73892 File
    73893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73894 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73895 if not self.draw_new_frame(): 
    73896 File
    73897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73898 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73899 changed = view.check_for_drawing_change() 
    73900 File
    73901 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73902 packages/chimerax/core/graphics/view.py", line 252, in
    73903 check_for_drawing_change 
    73904 trig.activate_trigger('graphics update', self) 
    73905 File
    73906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73907 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73908 trigger.activate(data) 
    73909 File
    73910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73911 packages/chimerax/core/triggerset.py", line 190, in activate 
    73912 ret = handler.invoke(data, self._remove_bad_handlers) 
    73913 File
    73914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73915 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73916 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73917 File
    73918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73919 packages/chimerax/core/session.py", line 943, in <lambda> 
    73920 logger.report_exception(preface=preface)) 
    73921 File
    73922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73923 packages/chimerax/core/logger.py", line 421, in report_exception 
    73924 elif probably_chimera1_session(exc_info): 
    73925 File
    73926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73928 etype, evalue, etraceback = exc_info 
    73929 TypeError: cannot unpack non-iterable NoneType object 
    73930  
    73931 TypeError: cannot unpack non-iterable NoneType object 
    73932  
    73933 File
    73934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73935 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73936 etype, evalue, etraceback = exc_info 
    73937  
    73938 See log for complete Python traceback. 
    73939  
    73940 Traceback (most recent call last): 
    73941 File
    73942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    73944 return self._func(self._name, data) 
    73945 File
    73946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73947 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    73948 if v.display: 
    73949 File
    73950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73951 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    73952 return self._any_displayed_positions and len(self._positions) > 0 
    73953 TypeError: object of type 'NoneType' has no len() 
    73954  
    73955 During handling of the above exception, another exception occurred: 
    73956  
    73957 Traceback (most recent call last): 
    73958 File
    73959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73960 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    73961 if not self.draw_new_frame(): 
    73962 File
    73963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73964 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    73965 changed = view.check_for_drawing_change() 
    73966 File
    73967 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73968 packages/chimerax/core/graphics/view.py", line 252, in
    73969 check_for_drawing_change 
    73970 trig.activate_trigger('graphics update', self) 
    73971 File
    73972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73973 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    73974 trigger.activate(data) 
    73975 File
    73976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73977 packages/chimerax/core/triggerset.py", line 190, in activate 
    73978 ret = handler.invoke(data, self._remove_bad_handlers) 
    73979 File
    73980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73981 packages/chimerax/core/triggerset.py", line 132, in invoke 
    73982 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    73983 File
    73984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73985 packages/chimerax/core/session.py", line 943, in <lambda> 
    73986 logger.report_exception(preface=preface)) 
    73987 File
    73988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73989 packages/chimerax/core/logger.py", line 421, in report_exception 
    73990 elif probably_chimera1_session(exc_info): 
    73991 File
    73992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    73993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    73994 etype, evalue, etraceback = exc_info 
    73995 TypeError: cannot unpack non-iterable NoneType object 
    73996  
    73997 TypeError: cannot unpack non-iterable NoneType object 
    73998  
    73999 File
    74000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74001 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74002 etype, evalue, etraceback = exc_info 
    74003  
    74004 See log for complete Python traceback. 
    74005  
    74006 Traceback (most recent call last): 
    74007 File
    74008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74009 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74010 return self._func(self._name, data) 
    74011 File
    74012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74013 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74014 if v.display: 
    74015 File
    74016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74017 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74018 return self._any_displayed_positions and len(self._positions) > 0 
    74019 TypeError: object of type 'NoneType' has no len() 
    74020  
    74021 During handling of the above exception, another exception occurred: 
    74022  
    74023 Traceback (most recent call last): 
    74024 File
    74025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74026 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74027 if not self.draw_new_frame(): 
    74028 File
    74029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74030 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74031 changed = view.check_for_drawing_change() 
    74032 File
    74033 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74034 packages/chimerax/core/graphics/view.py", line 252, in
    74035 check_for_drawing_change 
    74036 trig.activate_trigger('graphics update', self) 
    74037 File
    74038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74039 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74040 trigger.activate(data) 
    74041 File
    74042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74043 packages/chimerax/core/triggerset.py", line 190, in activate 
    74044 ret = handler.invoke(data, self._remove_bad_handlers) 
    74045 File
    74046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74047 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74048 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74049 File
    74050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74051 packages/chimerax/core/session.py", line 943, in <lambda> 
    74052 logger.report_exception(preface=preface)) 
    74053 File
    74054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74055 packages/chimerax/core/logger.py", line 421, in report_exception 
    74056 elif probably_chimera1_session(exc_info): 
    74057 File
    74058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74060 etype, evalue, etraceback = exc_info 
    74061 TypeError: cannot unpack non-iterable NoneType object 
    74062  
    74063 TypeError: cannot unpack non-iterable NoneType object 
    74064  
    74065 File
    74066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74067 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74068 etype, evalue, etraceback = exc_info 
    74069  
    74070 See log for complete Python traceback. 
    74071  
    74072 Traceback (most recent call last): 
    74073 File
    74074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74075 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74076 return self._func(self._name, data) 
    74077 File
    74078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74079 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74080 if v.display: 
    74081 File
    74082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74083 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74084 return self._any_displayed_positions and len(self._positions) > 0 
    74085 TypeError: object of type 'NoneType' has no len() 
    74086  
    74087 During handling of the above exception, another exception occurred: 
    74088  
    74089 Traceback (most recent call last): 
    74090 File
    74091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74092 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74093 if not self.draw_new_frame(): 
    74094 File
    74095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74096 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74097 changed = view.check_for_drawing_change() 
    74098 File
    74099 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74100 packages/chimerax/core/graphics/view.py", line 252, in
    74101 check_for_drawing_change 
    74102 trig.activate_trigger('graphics update', self) 
    74103 File
    74104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74105 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74106 trigger.activate(data) 
    74107 File
    74108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74109 packages/chimerax/core/triggerset.py", line 190, in activate 
    74110 ret = handler.invoke(data, self._remove_bad_handlers) 
    74111 File
    74112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74113 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74114 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74115 File
    74116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74117 packages/chimerax/core/session.py", line 943, in <lambda> 
    74118 logger.report_exception(preface=preface)) 
    74119 File
    74120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74121 packages/chimerax/core/logger.py", line 421, in report_exception 
    74122 elif probably_chimera1_session(exc_info): 
    74123 File
    74124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74126 etype, evalue, etraceback = exc_info 
    74127 TypeError: cannot unpack non-iterable NoneType object 
    74128  
    74129 TypeError: cannot unpack non-iterable NoneType object 
    74130  
    74131 File
    74132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74133 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74134 etype, evalue, etraceback = exc_info 
    74135  
    74136 See log for complete Python traceback. 
    74137  
    74138 Traceback (most recent call last): 
    74139 File
    74140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74141 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74142 return self._func(self._name, data) 
    74143 File
    74144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74145 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74146 if v.display: 
    74147 File
    74148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74149 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74150 return self._any_displayed_positions and len(self._positions) > 0 
    74151 TypeError: object of type 'NoneType' has no len() 
    74152  
    74153 During handling of the above exception, another exception occurred: 
    74154  
    74155 Traceback (most recent call last): 
    74156 File
    74157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74158 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74159 if not self.draw_new_frame(): 
    74160 File
    74161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74162 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74163 changed = view.check_for_drawing_change() 
    74164 File
    74165 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74166 packages/chimerax/core/graphics/view.py", line 252, in
    74167 check_for_drawing_change 
    74168 trig.activate_trigger('graphics update', self) 
    74169 File
    74170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74171 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74172 trigger.activate(data) 
    74173 File
    74174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74175 packages/chimerax/core/triggerset.py", line 190, in activate 
    74176 ret = handler.invoke(data, self._remove_bad_handlers) 
    74177 File
    74178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74179 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74180 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74181 File
    74182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74183 packages/chimerax/core/session.py", line 943, in <lambda> 
    74184 logger.report_exception(preface=preface)) 
    74185 File
    74186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74187 packages/chimerax/core/logger.py", line 421, in report_exception 
    74188 elif probably_chimera1_session(exc_info): 
    74189 File
    74190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74191 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74192 etype, evalue, etraceback = exc_info 
    74193 TypeError: cannot unpack non-iterable NoneType object 
    74194  
    74195 TypeError: cannot unpack non-iterable NoneType object 
    74196  
    74197 File
    74198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74199 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74200 etype, evalue, etraceback = exc_info 
    74201  
    74202 See log for complete Python traceback. 
    74203  
    74204 Traceback (most recent call last): 
    74205 File
    74206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74207 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74208 return self._func(self._name, data) 
    74209 File
    74210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74211 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74212 if v.display: 
    74213 File
    74214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74215 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74216 return self._any_displayed_positions and len(self._positions) > 0 
    74217 TypeError: object of type 'NoneType' has no len() 
    74218  
    74219 During handling of the above exception, another exception occurred: 
    74220  
    74221 Traceback (most recent call last): 
    74222 File
    74223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74224 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74225 if not self.draw_new_frame(): 
    74226 File
    74227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74228 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74229 changed = view.check_for_drawing_change() 
    74230 File
    74231 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74232 packages/chimerax/core/graphics/view.py", line 252, in
    74233 check_for_drawing_change 
    74234 trig.activate_trigger('graphics update', self) 
    74235 File
    74236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74237 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74238 trigger.activate(data) 
    74239 File
    74240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74241 packages/chimerax/core/triggerset.py", line 190, in activate 
    74242 ret = handler.invoke(data, self._remove_bad_handlers) 
    74243 File
    74244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74245 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74246 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74247 File
    74248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74249 packages/chimerax/core/session.py", line 943, in <lambda> 
    74250 logger.report_exception(preface=preface)) 
    74251 File
    74252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74253 packages/chimerax/core/logger.py", line 421, in report_exception 
    74254 elif probably_chimera1_session(exc_info): 
    74255 File
    74256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74257 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74258 etype, evalue, etraceback = exc_info 
    74259 TypeError: cannot unpack non-iterable NoneType object 
    74260  
    74261 TypeError: cannot unpack non-iterable NoneType object 
    74262  
    74263 File
    74264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74265 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74266 etype, evalue, etraceback = exc_info 
    74267  
    74268 See log for complete Python traceback. 
    74269  
    74270 Traceback (most recent call last): 
    74271 File
    74272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74273 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74274 return self._func(self._name, data) 
    74275 File
    74276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74277 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74278 if v.display: 
    74279 File
    74280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74281 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74282 return self._any_displayed_positions and len(self._positions) > 0 
    74283 TypeError: object of type 'NoneType' has no len() 
    74284  
    74285 During handling of the above exception, another exception occurred: 
    74286  
    74287 Traceback (most recent call last): 
    74288 File
    74289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74290 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74291 if not self.draw_new_frame(): 
    74292 File
    74293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74294 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74295 changed = view.check_for_drawing_change() 
    74296 File
    74297 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74298 packages/chimerax/core/graphics/view.py", line 252, in
    74299 check_for_drawing_change 
    74300 trig.activate_trigger('graphics update', self) 
    74301 File
    74302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74303 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74304 trigger.activate(data) 
    74305 File
    74306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74307 packages/chimerax/core/triggerset.py", line 190, in activate 
    74308 ret = handler.invoke(data, self._remove_bad_handlers) 
    74309 File
    74310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74311 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74312 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74313 File
    74314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74315 packages/chimerax/core/session.py", line 943, in <lambda> 
    74316 logger.report_exception(preface=preface)) 
    74317 File
    74318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74319 packages/chimerax/core/logger.py", line 421, in report_exception 
    74320 elif probably_chimera1_session(exc_info): 
    74321 File
    74322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74323 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74324 etype, evalue, etraceback = exc_info 
    74325 TypeError: cannot unpack non-iterable NoneType object 
    74326  
    74327 TypeError: cannot unpack non-iterable NoneType object 
    74328  
    74329 File
    74330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74331 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74332 etype, evalue, etraceback = exc_info 
    74333  
    74334 See log for complete Python traceback. 
    74335  
    74336 Traceback (most recent call last): 
    74337 File
    74338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74339 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74340 return self._func(self._name, data) 
    74341 File
    74342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74343 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74344 if v.display: 
    74345 File
    74346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74347 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74348 return self._any_displayed_positions and len(self._positions) > 0 
    74349 TypeError: object of type 'NoneType' has no len() 
    74350  
    74351 During handling of the above exception, another exception occurred: 
    74352  
    74353 Traceback (most recent call last): 
    74354 File
    74355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74356 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74357 if not self.draw_new_frame(): 
    74358 File
    74359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74360 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74361 changed = view.check_for_drawing_change() 
    74362 File
    74363 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74364 packages/chimerax/core/graphics/view.py", line 252, in
    74365 check_for_drawing_change 
    74366 trig.activate_trigger('graphics update', self) 
    74367 File
    74368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74369 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74370 trigger.activate(data) 
    74371 File
    74372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74373 packages/chimerax/core/triggerset.py", line 190, in activate 
    74374 ret = handler.invoke(data, self._remove_bad_handlers) 
    74375 File
    74376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74377 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74378 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74379 File
    74380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74381 packages/chimerax/core/session.py", line 943, in <lambda> 
    74382 logger.report_exception(preface=preface)) 
    74383 File
    74384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74385 packages/chimerax/core/logger.py", line 421, in report_exception 
    74386 elif probably_chimera1_session(exc_info): 
    74387 File
    74388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74389 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74390 etype, evalue, etraceback = exc_info 
    74391 TypeError: cannot unpack non-iterable NoneType object 
    74392  
    74393 TypeError: cannot unpack non-iterable NoneType object 
    74394  
    74395 File
    74396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74397 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74398 etype, evalue, etraceback = exc_info 
    74399  
    74400 See log for complete Python traceback. 
    74401  
    74402 Traceback (most recent call last): 
    74403 File
    74404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74405 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74406 return self._func(self._name, data) 
    74407 File
    74408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74409 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74410 if v.display: 
    74411 File
    74412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74413 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74414 return self._any_displayed_positions and len(self._positions) > 0 
    74415 TypeError: object of type 'NoneType' has no len() 
    74416  
    74417 During handling of the above exception, another exception occurred: 
    74418  
    74419 Traceback (most recent call last): 
    74420 File
    74421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74422 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74423 if not self.draw_new_frame(): 
    74424 File
    74425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74426 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74427 changed = view.check_for_drawing_change() 
    74428 File
    74429 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74430 packages/chimerax/core/graphics/view.py", line 252, in
    74431 check_for_drawing_change 
    74432 trig.activate_trigger('graphics update', self) 
    74433 File
    74434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74435 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74436 trigger.activate(data) 
    74437 File
    74438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74439 packages/chimerax/core/triggerset.py", line 190, in activate 
    74440 ret = handler.invoke(data, self._remove_bad_handlers) 
    74441 File
    74442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74443 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74444 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74445 File
    74446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74447 packages/chimerax/core/session.py", line 943, in <lambda> 
    74448 logger.report_exception(preface=preface)) 
    74449 File
    74450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74451 packages/chimerax/core/logger.py", line 421, in report_exception 
    74452 elif probably_chimera1_session(exc_info): 
    74453 File
    74454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74455 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74456 etype, evalue, etraceback = exc_info 
    74457 TypeError: cannot unpack non-iterable NoneType object 
    74458  
    74459 TypeError: cannot unpack non-iterable NoneType object 
    74460  
    74461 File
    74462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74463 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74464 etype, evalue, etraceback = exc_info 
    74465  
    74466 See log for complete Python traceback. 
    74467  
    74468 Traceback (most recent call last): 
    74469 File
    74470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74471 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74472 return self._func(self._name, data) 
    74473 File
    74474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74475 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74476 if v.display: 
    74477 File
    74478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74479 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74480 return self._any_displayed_positions and len(self._positions) > 0 
    74481 TypeError: object of type 'NoneType' has no len() 
    74482  
    74483 During handling of the above exception, another exception occurred: 
    74484  
    74485 Traceback (most recent call last): 
    74486 File
    74487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74488 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74489 if not self.draw_new_frame(): 
    74490 File
    74491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74492 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74493 changed = view.check_for_drawing_change() 
    74494 File
    74495 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74496 packages/chimerax/core/graphics/view.py", line 252, in
    74497 check_for_drawing_change 
    74498 trig.activate_trigger('graphics update', self) 
    74499 File
    74500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74501 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74502 trigger.activate(data) 
    74503 File
    74504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74505 packages/chimerax/core/triggerset.py", line 190, in activate 
    74506 ret = handler.invoke(data, self._remove_bad_handlers) 
    74507 File
    74508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74509 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74510 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74511 File
    74512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74513 packages/chimerax/core/session.py", line 943, in <lambda> 
    74514 logger.report_exception(preface=preface)) 
    74515 File
    74516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74517 packages/chimerax/core/logger.py", line 421, in report_exception 
    74518 elif probably_chimera1_session(exc_info): 
    74519 File
    74520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74521 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74522 etype, evalue, etraceback = exc_info 
    74523 TypeError: cannot unpack non-iterable NoneType object 
    74524  
    74525 TypeError: cannot unpack non-iterable NoneType object 
    74526  
    74527 File
    74528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74529 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74530 etype, evalue, etraceback = exc_info 
    74531  
    74532 See log for complete Python traceback. 
    74533  
    74534 Traceback (most recent call last): 
    74535 File
    74536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74537 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74538 return self._func(self._name, data) 
    74539 File
    74540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74541 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74542 if v.display: 
    74543 File
    74544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74545 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74546 return self._any_displayed_positions and len(self._positions) > 0 
    74547 TypeError: object of type 'NoneType' has no len() 
    74548  
    74549 During handling of the above exception, another exception occurred: 
    74550  
    74551 Traceback (most recent call last): 
    74552 File
    74553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74554 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74555 if not self.draw_new_frame(): 
    74556 File
    74557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74558 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74559 changed = view.check_for_drawing_change() 
    74560 File
    74561 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74562 packages/chimerax/core/graphics/view.py", line 252, in
    74563 check_for_drawing_change 
    74564 trig.activate_trigger('graphics update', self) 
    74565 File
    74566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74567 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74568 trigger.activate(data) 
    74569 File
    74570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74571 packages/chimerax/core/triggerset.py", line 190, in activate 
    74572 ret = handler.invoke(data, self._remove_bad_handlers) 
    74573 File
    74574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74575 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74576 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74577 File
    74578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74579 packages/chimerax/core/session.py", line 943, in <lambda> 
    74580 logger.report_exception(preface=preface)) 
    74581 File
    74582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74583 packages/chimerax/core/logger.py", line 421, in report_exception 
    74584 elif probably_chimera1_session(exc_info): 
    74585 File
    74586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74587 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74588 etype, evalue, etraceback = exc_info 
    74589 TypeError: cannot unpack non-iterable NoneType object 
    74590  
    74591 TypeError: cannot unpack non-iterable NoneType object 
    74592  
    74593 File
    74594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74595 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74596 etype, evalue, etraceback = exc_info 
    74597  
    74598 See log for complete Python traceback. 
    74599  
    74600 Traceback (most recent call last): 
    74601 File
    74602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74603 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74604 return self._func(self._name, data) 
    74605 File
    74606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74607 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74608 if v.display: 
    74609 File
    74610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74611 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74612 return self._any_displayed_positions and len(self._positions) > 0 
    74613 TypeError: object of type 'NoneType' has no len() 
    74614  
    74615 During handling of the above exception, another exception occurred: 
    74616  
    74617 Traceback (most recent call last): 
    74618 File
    74619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74620 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74621 if not self.draw_new_frame(): 
    74622 File
    74623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74624 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74625 changed = view.check_for_drawing_change() 
    74626 File
    74627 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74628 packages/chimerax/core/graphics/view.py", line 252, in
    74629 check_for_drawing_change 
    74630 trig.activate_trigger('graphics update', self) 
    74631 File
    74632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74633 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74634 trigger.activate(data) 
    74635 File
    74636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74637 packages/chimerax/core/triggerset.py", line 190, in activate 
    74638 ret = handler.invoke(data, self._remove_bad_handlers) 
    74639 File
    74640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74641 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74642 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74643 File
    74644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74645 packages/chimerax/core/session.py", line 943, in <lambda> 
    74646 logger.report_exception(preface=preface)) 
    74647 File
    74648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74649 packages/chimerax/core/logger.py", line 421, in report_exception 
    74650 elif probably_chimera1_session(exc_info): 
    74651 File
    74652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74653 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74654 etype, evalue, etraceback = exc_info 
    74655 TypeError: cannot unpack non-iterable NoneType object 
    74656  
    74657 TypeError: cannot unpack non-iterable NoneType object 
    74658  
    74659 File
    74660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74661 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74662 etype, evalue, etraceback = exc_info 
    74663  
    74664 See log for complete Python traceback. 
    74665  
    74666 Traceback (most recent call last): 
    74667 File
    74668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74669 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74670 return self._func(self._name, data) 
    74671 File
    74672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74673 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74674 if v.display: 
    74675 File
    74676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74677 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74678 return self._any_displayed_positions and len(self._positions) > 0 
    74679 TypeError: object of type 'NoneType' has no len() 
    74680  
    74681 During handling of the above exception, another exception occurred: 
    74682  
    74683 Traceback (most recent call last): 
    74684 File
    74685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74686 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74687 if not self.draw_new_frame(): 
    74688 File
    74689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74690 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74691 changed = view.check_for_drawing_change() 
    74692 File
    74693 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74694 packages/chimerax/core/graphics/view.py", line 252, in
    74695 check_for_drawing_change 
    74696 trig.activate_trigger('graphics update', self) 
    74697 File
    74698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74699 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74700 trigger.activate(data) 
    74701 File
    74702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74703 packages/chimerax/core/triggerset.py", line 190, in activate 
    74704 ret = handler.invoke(data, self._remove_bad_handlers) 
    74705 File
    74706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74707 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74708 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74709 File
    74710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74711 packages/chimerax/core/session.py", line 943, in <lambda> 
    74712 logger.report_exception(preface=preface)) 
    74713 File
    74714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74715 packages/chimerax/core/logger.py", line 421, in report_exception 
    74716 elif probably_chimera1_session(exc_info): 
    74717 File
    74718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74719 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74720 etype, evalue, etraceback = exc_info 
    74721 TypeError: cannot unpack non-iterable NoneType object 
    74722  
    74723 TypeError: cannot unpack non-iterable NoneType object 
    74724  
    74725 File
    74726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74727 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74728 etype, evalue, etraceback = exc_info 
    74729  
    74730 See log for complete Python traceback. 
    74731  
    74732 Traceback (most recent call last): 
    74733 File
    74734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74735 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74736 return self._func(self._name, data) 
    74737 File
    74738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74739 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74740 if v.display: 
    74741 File
    74742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74743 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74744 return self._any_displayed_positions and len(self._positions) > 0 
    74745 TypeError: object of type 'NoneType' has no len() 
    74746  
    74747 During handling of the above exception, another exception occurred: 
    74748  
    74749 Traceback (most recent call last): 
    74750 File
    74751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74752 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74753 if not self.draw_new_frame(): 
    74754 File
    74755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74756 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74757 changed = view.check_for_drawing_change() 
    74758 File
    74759 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74760 packages/chimerax/core/graphics/view.py", line 252, in
    74761 check_for_drawing_change 
    74762 trig.activate_trigger('graphics update', self) 
    74763 File
    74764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74765 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74766 trigger.activate(data) 
    74767 File
    74768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74769 packages/chimerax/core/triggerset.py", line 190, in activate 
    74770 ret = handler.invoke(data, self._remove_bad_handlers) 
    74771 File
    74772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74773 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74774 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74775 File
    74776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74777 packages/chimerax/core/session.py", line 943, in <lambda> 
    74778 logger.report_exception(preface=preface)) 
    74779 File
    74780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74781 packages/chimerax/core/logger.py", line 421, in report_exception 
    74782 elif probably_chimera1_session(exc_info): 
    74783 File
    74784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74785 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74786 etype, evalue, etraceback = exc_info 
    74787 TypeError: cannot unpack non-iterable NoneType object 
    74788  
    74789 TypeError: cannot unpack non-iterable NoneType object 
    74790  
    74791 File
    74792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74793 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74794 etype, evalue, etraceback = exc_info 
    74795  
    74796 See log for complete Python traceback. 
    74797  
    74798 Traceback (most recent call last): 
    74799 File
    74800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74801 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74802 return self._func(self._name, data) 
    74803 File
    74804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74805 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74806 if v.display: 
    74807 File
    74808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74809 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74810 return self._any_displayed_positions and len(self._positions) > 0 
    74811 TypeError: object of type 'NoneType' has no len() 
    74812  
    74813 During handling of the above exception, another exception occurred: 
    74814  
    74815 Traceback (most recent call last): 
    74816 File
    74817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74818 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74819 if not self.draw_new_frame(): 
    74820 File
    74821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74822 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74823 changed = view.check_for_drawing_change() 
    74824 File
    74825 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74826 packages/chimerax/core/graphics/view.py", line 252, in
    74827 check_for_drawing_change 
    74828 trig.activate_trigger('graphics update', self) 
    74829 File
    74830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74831 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74832 trigger.activate(data) 
    74833 File
    74834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74835 packages/chimerax/core/triggerset.py", line 190, in activate 
    74836 ret = handler.invoke(data, self._remove_bad_handlers) 
    74837 File
    74838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74839 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74840 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74841 File
    74842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74843 packages/chimerax/core/session.py", line 943, in <lambda> 
    74844 logger.report_exception(preface=preface)) 
    74845 File
    74846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74847 packages/chimerax/core/logger.py", line 421, in report_exception 
    74848 elif probably_chimera1_session(exc_info): 
    74849 File
    74850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74851 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74852 etype, evalue, etraceback = exc_info 
    74853 TypeError: cannot unpack non-iterable NoneType object 
    74854  
    74855 TypeError: cannot unpack non-iterable NoneType object 
    74856  
    74857 File
    74858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74859 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74860 etype, evalue, etraceback = exc_info 
    74861  
    74862 See log for complete Python traceback. 
    74863  
    74864 Traceback (most recent call last): 
    74865 File
    74866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74867 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74868 return self._func(self._name, data) 
    74869 File
    74870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74871 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74872 if v.display: 
    74873 File
    74874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74875 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74876 return self._any_displayed_positions and len(self._positions) > 0 
    74877 TypeError: object of type 'NoneType' has no len() 
    74878  
    74879 During handling of the above exception, another exception occurred: 
    74880  
    74881 Traceback (most recent call last): 
    74882 File
    74883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74884 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74885 if not self.draw_new_frame(): 
    74886 File
    74887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74888 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74889 changed = view.check_for_drawing_change() 
    74890 File
    74891 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74892 packages/chimerax/core/graphics/view.py", line 252, in
    74893 check_for_drawing_change 
    74894 trig.activate_trigger('graphics update', self) 
    74895 File
    74896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74897 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74898 trigger.activate(data) 
    74899 File
    74900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74901 packages/chimerax/core/triggerset.py", line 190, in activate 
    74902 ret = handler.invoke(data, self._remove_bad_handlers) 
    74903 File
    74904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74905 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74906 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74907 File
    74908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74909 packages/chimerax/core/session.py", line 943, in <lambda> 
    74910 logger.report_exception(preface=preface)) 
    74911 File
    74912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74913 packages/chimerax/core/logger.py", line 421, in report_exception 
    74914 elif probably_chimera1_session(exc_info): 
    74915 File
    74916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74917 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74918 etype, evalue, etraceback = exc_info 
    74919 TypeError: cannot unpack non-iterable NoneType object 
    74920  
    74921 TypeError: cannot unpack non-iterable NoneType object 
    74922  
    74923 File
    74924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74925 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74926 etype, evalue, etraceback = exc_info 
    74927  
    74928 See log for complete Python traceback. 
    74929  
    74930 Traceback (most recent call last): 
    74931 File
    74932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74933 packages/chimerax/core/triggerset.py", line 130, in invoke 
    74934 return self._func(self._name, data) 
    74935 File
    74936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74937 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    74938 if v.display: 
    74939 File
    74940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74941 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    74942 return self._any_displayed_positions and len(self._positions) > 0 
    74943 TypeError: object of type 'NoneType' has no len() 
    74944  
    74945 During handling of the above exception, another exception occurred: 
    74946  
    74947 Traceback (most recent call last): 
    74948 File
    74949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74950 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    74951 if not self.draw_new_frame(): 
    74952 File
    74953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74954 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    74955 changed = view.check_for_drawing_change() 
    74956 File
    74957 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74958 packages/chimerax/core/graphics/view.py", line 252, in
    74959 check_for_drawing_change 
    74960 trig.activate_trigger('graphics update', self) 
    74961 File
    74962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74963 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    74964 trigger.activate(data) 
    74965 File
    74966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74967 packages/chimerax/core/triggerset.py", line 190, in activate 
    74968 ret = handler.invoke(data, self._remove_bad_handlers) 
    74969 File
    74970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74971 packages/chimerax/core/triggerset.py", line 132, in invoke 
    74972 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    74973 File
    74974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74975 packages/chimerax/core/session.py", line 943, in <lambda> 
    74976 logger.report_exception(preface=preface)) 
    74977 File
    74978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74979 packages/chimerax/core/logger.py", line 421, in report_exception 
    74980 elif probably_chimera1_session(exc_info): 
    74981 File
    74982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74983 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74984 etype, evalue, etraceback = exc_info 
    74985 TypeError: cannot unpack non-iterable NoneType object 
    74986  
    74987 TypeError: cannot unpack non-iterable NoneType object 
    74988  
    74989 File
    74990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74991 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    74992 etype, evalue, etraceback = exc_info 
    74993  
    74994 See log for complete Python traceback. 
    74995  
    74996 Traceback (most recent call last): 
    74997 File
    74998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    74999 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75000 return self._func(self._name, data) 
    75001 File
    75002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75003 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75004 if v.display: 
    75005 File
    75006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75007 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75008 return self._any_displayed_positions and len(self._positions) > 0 
    75009 TypeError: object of type 'NoneType' has no len() 
    75010  
    75011 During handling of the above exception, another exception occurred: 
    75012  
    75013 Traceback (most recent call last): 
    75014 File
    75015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75016 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75017 if not self.draw_new_frame(): 
    75018 File
    75019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75020 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75021 changed = view.check_for_drawing_change() 
    75022 File
    75023 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75024 packages/chimerax/core/graphics/view.py", line 252, in
    75025 check_for_drawing_change 
    75026 trig.activate_trigger('graphics update', self) 
    75027 File
    75028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75029 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75030 trigger.activate(data) 
    75031 File
    75032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75033 packages/chimerax/core/triggerset.py", line 190, in activate 
    75034 ret = handler.invoke(data, self._remove_bad_handlers) 
    75035 File
    75036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75037 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75038 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75039 File
    75040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75041 packages/chimerax/core/session.py", line 943, in <lambda> 
    75042 logger.report_exception(preface=preface)) 
    75043 File
    75044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75045 packages/chimerax/core/logger.py", line 421, in report_exception 
    75046 elif probably_chimera1_session(exc_info): 
    75047 File
    75048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75049 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75050 etype, evalue, etraceback = exc_info 
    75051 TypeError: cannot unpack non-iterable NoneType object 
    75052  
    75053 TypeError: cannot unpack non-iterable NoneType object 
    75054  
    75055 File
    75056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75057 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75058 etype, evalue, etraceback = exc_info 
    75059  
    75060 See log for complete Python traceback. 
    75061  
    75062 Traceback (most recent call last): 
    75063 File
    75064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75065 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75066 return self._func(self._name, data) 
    75067 File
    75068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75069 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75070 if v.display: 
    75071 File
    75072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75073 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75074 return self._any_displayed_positions and len(self._positions) > 0 
    75075 TypeError: object of type 'NoneType' has no len() 
    75076  
    75077 During handling of the above exception, another exception occurred: 
    75078  
    75079 Traceback (most recent call last): 
    75080 File
    75081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75082 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75083 if not self.draw_new_frame(): 
    75084 File
    75085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75086 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75087 changed = view.check_for_drawing_change() 
    75088 File
    75089 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75090 packages/chimerax/core/graphics/view.py", line 252, in
    75091 check_for_drawing_change 
    75092 trig.activate_trigger('graphics update', self) 
    75093 File
    75094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75095 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75096 trigger.activate(data) 
    75097 File
    75098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75099 packages/chimerax/core/triggerset.py", line 190, in activate 
    75100 ret = handler.invoke(data, self._remove_bad_handlers) 
    75101 File
    75102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75103 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75104 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75105 File
    75106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75107 packages/chimerax/core/session.py", line 943, in <lambda> 
    75108 logger.report_exception(preface=preface)) 
    75109 File
    75110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75111 packages/chimerax/core/logger.py", line 421, in report_exception 
    75112 elif probably_chimera1_session(exc_info): 
    75113 File
    75114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75115 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75116 etype, evalue, etraceback = exc_info 
    75117 TypeError: cannot unpack non-iterable NoneType object 
    75118  
    75119 TypeError: cannot unpack non-iterable NoneType object 
    75120  
    75121 File
    75122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75123 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75124 etype, evalue, etraceback = exc_info 
    75125  
    75126 See log for complete Python traceback. 
    75127  
    75128 Traceback (most recent call last): 
    75129 File
    75130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75131 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75132 return self._func(self._name, data) 
    75133 File
    75134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75135 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75136 if v.display: 
    75137 File
    75138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75139 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75140 return self._any_displayed_positions and len(self._positions) > 0 
    75141 TypeError: object of type 'NoneType' has no len() 
    75142  
    75143 During handling of the above exception, another exception occurred: 
    75144  
    75145 Traceback (most recent call last): 
    75146 File
    75147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75148 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75149 if not self.draw_new_frame(): 
    75150 File
    75151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75152 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75153 changed = view.check_for_drawing_change() 
    75154 File
    75155 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75156 packages/chimerax/core/graphics/view.py", line 252, in
    75157 check_for_drawing_change 
    75158 trig.activate_trigger('graphics update', self) 
    75159 File
    75160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75161 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75162 trigger.activate(data) 
    75163 File
    75164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75165 packages/chimerax/core/triggerset.py", line 190, in activate 
    75166 ret = handler.invoke(data, self._remove_bad_handlers) 
    75167 File
    75168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75169 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75170 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75171 File
    75172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75173 packages/chimerax/core/session.py", line 943, in <lambda> 
    75174 logger.report_exception(preface=preface)) 
    75175 File
    75176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75177 packages/chimerax/core/logger.py", line 421, in report_exception 
    75178 elif probably_chimera1_session(exc_info): 
    75179 File
    75180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75181 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75182 etype, evalue, etraceback = exc_info 
    75183 TypeError: cannot unpack non-iterable NoneType object 
    75184  
    75185 TypeError: cannot unpack non-iterable NoneType object 
    75186  
    75187 File
    75188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75189 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75190 etype, evalue, etraceback = exc_info 
    75191  
    75192 See log for complete Python traceback. 
    75193  
    75194 Traceback (most recent call last): 
    75195 File
    75196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75197 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75198 return self._func(self._name, data) 
    75199 File
    75200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75201 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75202 if v.display: 
    75203 File
    75204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75205 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75206 return self._any_displayed_positions and len(self._positions) > 0 
    75207 TypeError: object of type 'NoneType' has no len() 
    75208  
    75209 During handling of the above exception, another exception occurred: 
    75210  
    75211 Traceback (most recent call last): 
    75212 File
    75213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75214 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75215 if not self.draw_new_frame(): 
    75216 File
    75217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75218 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75219 changed = view.check_for_drawing_change() 
    75220 File
    75221 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75222 packages/chimerax/core/graphics/view.py", line 252, in
    75223 check_for_drawing_change 
    75224 trig.activate_trigger('graphics update', self) 
    75225 File
    75226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75227 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75228 trigger.activate(data) 
    75229 File
    75230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75231 packages/chimerax/core/triggerset.py", line 190, in activate 
    75232 ret = handler.invoke(data, self._remove_bad_handlers) 
    75233 File
    75234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75235 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75236 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75237 File
    75238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75239 packages/chimerax/core/session.py", line 943, in <lambda> 
    75240 logger.report_exception(preface=preface)) 
    75241 File
    75242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75243 packages/chimerax/core/logger.py", line 421, in report_exception 
    75244 elif probably_chimera1_session(exc_info): 
    75245 File
    75246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75247 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75248 etype, evalue, etraceback = exc_info 
    75249 TypeError: cannot unpack non-iterable NoneType object 
    75250  
    75251 TypeError: cannot unpack non-iterable NoneType object 
    75252  
    75253 File
    75254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75255 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75256 etype, evalue, etraceback = exc_info 
    75257  
    75258 See log for complete Python traceback. 
    75259  
    75260 Traceback (most recent call last): 
    75261 File
    75262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75263 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75264 return self._func(self._name, data) 
    75265 File
    75266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75267 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75268 if v.display: 
    75269 File
    75270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75271 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75272 return self._any_displayed_positions and len(self._positions) > 0 
    75273 TypeError: object of type 'NoneType' has no len() 
    75274  
    75275 During handling of the above exception, another exception occurred: 
    75276  
    75277 Traceback (most recent call last): 
    75278 File
    75279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75280 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75281 if not self.draw_new_frame(): 
    75282 File
    75283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75284 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75285 changed = view.check_for_drawing_change() 
    75286 File
    75287 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75288 packages/chimerax/core/graphics/view.py", line 252, in
    75289 check_for_drawing_change 
    75290 trig.activate_trigger('graphics update', self) 
    75291 File
    75292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75293 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75294 trigger.activate(data) 
    75295 File
    75296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75297 packages/chimerax/core/triggerset.py", line 190, in activate 
    75298 ret = handler.invoke(data, self._remove_bad_handlers) 
    75299 File
    75300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75301 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75302 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75303 File
    75304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75305 packages/chimerax/core/session.py", line 943, in <lambda> 
    75306 logger.report_exception(preface=preface)) 
    75307 File
    75308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75309 packages/chimerax/core/logger.py", line 421, in report_exception 
    75310 elif probably_chimera1_session(exc_info): 
    75311 File
    75312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75313 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75314 etype, evalue, etraceback = exc_info 
    75315 TypeError: cannot unpack non-iterable NoneType object 
    75316  
    75317 TypeError: cannot unpack non-iterable NoneType object 
    75318  
    75319 File
    75320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75321 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75322 etype, evalue, etraceback = exc_info 
    75323  
    75324 See log for complete Python traceback. 
    75325  
    75326 Traceback (most recent call last): 
    75327 File
    75328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75329 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75330 return self._func(self._name, data) 
    75331 File
    75332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75333 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75334 if v.display: 
    75335 File
    75336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75337 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75338 return self._any_displayed_positions and len(self._positions) > 0 
    75339 TypeError: object of type 'NoneType' has no len() 
    75340  
    75341 During handling of the above exception, another exception occurred: 
    75342  
    75343 Traceback (most recent call last): 
    75344 File
    75345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75346 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75347 if not self.draw_new_frame(): 
    75348 File
    75349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75350 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75351 changed = view.check_for_drawing_change() 
    75352 File
    75353 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75354 packages/chimerax/core/graphics/view.py", line 252, in
    75355 check_for_drawing_change 
    75356 trig.activate_trigger('graphics update', self) 
    75357 File
    75358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75359 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75360 trigger.activate(data) 
    75361 File
    75362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75363 packages/chimerax/core/triggerset.py", line 190, in activate 
    75364 ret = handler.invoke(data, self._remove_bad_handlers) 
    75365 File
    75366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75367 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75368 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75369 File
    75370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75371 packages/chimerax/core/session.py", line 943, in <lambda> 
    75372 logger.report_exception(preface=preface)) 
    75373 File
    75374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75375 packages/chimerax/core/logger.py", line 421, in report_exception 
    75376 elif probably_chimera1_session(exc_info): 
    75377 File
    75378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75379 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75380 etype, evalue, etraceback = exc_info 
    75381 TypeError: cannot unpack non-iterable NoneType object 
    75382  
    75383 TypeError: cannot unpack non-iterable NoneType object 
    75384  
    75385 File
    75386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75387 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75388 etype, evalue, etraceback = exc_info 
    75389  
    75390 See log for complete Python traceback. 
    75391  
    75392 Traceback (most recent call last): 
    75393 File
    75394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75395 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75396 return self._func(self._name, data) 
    75397 File
    75398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75399 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75400 if v.display: 
    75401 File
    75402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75403 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75404 return self._any_displayed_positions and len(self._positions) > 0 
    75405 TypeError: object of type 'NoneType' has no len() 
    75406  
    75407 During handling of the above exception, another exception occurred: 
    75408  
    75409 Traceback (most recent call last): 
    75410 File
    75411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75412 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75413 if not self.draw_new_frame(): 
    75414 File
    75415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75416 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75417 changed = view.check_for_drawing_change() 
    75418 File
    75419 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75420 packages/chimerax/core/graphics/view.py", line 252, in
    75421 check_for_drawing_change 
    75422 trig.activate_trigger('graphics update', self) 
    75423 File
    75424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75425 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75426 trigger.activate(data) 
    75427 File
    75428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75429 packages/chimerax/core/triggerset.py", line 190, in activate 
    75430 ret = handler.invoke(data, self._remove_bad_handlers) 
    75431 File
    75432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75433 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75434 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75435 File
    75436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75437 packages/chimerax/core/session.py", line 943, in <lambda> 
    75438 logger.report_exception(preface=preface)) 
    75439 File
    75440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75441 packages/chimerax/core/logger.py", line 421, in report_exception 
    75442 elif probably_chimera1_session(exc_info): 
    75443 File
    75444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75445 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75446 etype, evalue, etraceback = exc_info 
    75447 TypeError: cannot unpack non-iterable NoneType object 
    75448  
    75449 TypeError: cannot unpack non-iterable NoneType object 
    75450  
    75451 File
    75452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75453 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75454 etype, evalue, etraceback = exc_info 
    75455  
    75456 See log for complete Python traceback. 
    75457  
    75458 Traceback (most recent call last): 
    75459 File
    75460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75461 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75462 return self._func(self._name, data) 
    75463 File
    75464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75465 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75466 if v.display: 
    75467 File
    75468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75469 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75470 return self._any_displayed_positions and len(self._positions) > 0 
    75471 TypeError: object of type 'NoneType' has no len() 
    75472  
    75473 During handling of the above exception, another exception occurred: 
    75474  
    75475 Traceback (most recent call last): 
    75476 File
    75477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75478 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75479 if not self.draw_new_frame(): 
    75480 File
    75481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75482 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75483 changed = view.check_for_drawing_change() 
    75484 File
    75485 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75486 packages/chimerax/core/graphics/view.py", line 252, in
    75487 check_for_drawing_change 
    75488 trig.activate_trigger('graphics update', self) 
    75489 File
    75490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75491 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75492 trigger.activate(data) 
    75493 File
    75494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75495 packages/chimerax/core/triggerset.py", line 190, in activate 
    75496 ret = handler.invoke(data, self._remove_bad_handlers) 
    75497 File
    75498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75499 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75500 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75501 File
    75502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75503 packages/chimerax/core/session.py", line 943, in <lambda> 
    75504 logger.report_exception(preface=preface)) 
    75505 File
    75506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75507 packages/chimerax/core/logger.py", line 421, in report_exception 
    75508 elif probably_chimera1_session(exc_info): 
    75509 File
    75510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75511 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75512 etype, evalue, etraceback = exc_info 
    75513 TypeError: cannot unpack non-iterable NoneType object 
    75514  
    75515 TypeError: cannot unpack non-iterable NoneType object 
    75516  
    75517 File
    75518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75519 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75520 etype, evalue, etraceback = exc_info 
    75521  
    75522 See log for complete Python traceback. 
    75523  
    75524 Traceback (most recent call last): 
    75525 File
    75526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75527 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75528 return self._func(self._name, data) 
    75529 File
    75530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75531 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75532 if v.display: 
    75533 File
    75534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75535 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75536 return self._any_displayed_positions and len(self._positions) > 0 
    75537 TypeError: object of type 'NoneType' has no len() 
    75538  
    75539 During handling of the above exception, another exception occurred: 
    75540  
    75541 Traceback (most recent call last): 
    75542 File
    75543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75544 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75545 if not self.draw_new_frame(): 
    75546 File
    75547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75548 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75549 changed = view.check_for_drawing_change() 
    75550 File
    75551 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75552 packages/chimerax/core/graphics/view.py", line 252, in
    75553 check_for_drawing_change 
    75554 trig.activate_trigger('graphics update', self) 
    75555 File
    75556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75557 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75558 trigger.activate(data) 
    75559 File
    75560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75561 packages/chimerax/core/triggerset.py", line 190, in activate 
    75562 ret = handler.invoke(data, self._remove_bad_handlers) 
    75563 File
    75564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75565 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75566 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75567 File
    75568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75569 packages/chimerax/core/session.py", line 943, in <lambda> 
    75570 logger.report_exception(preface=preface)) 
    75571 File
    75572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75573 packages/chimerax/core/logger.py", line 421, in report_exception 
    75574 elif probably_chimera1_session(exc_info): 
    75575 File
    75576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75577 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75578 etype, evalue, etraceback = exc_info 
    75579 TypeError: cannot unpack non-iterable NoneType object 
    75580  
    75581 TypeError: cannot unpack non-iterable NoneType object 
    75582  
    75583 File
    75584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75585 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75586 etype, evalue, etraceback = exc_info 
    75587  
    75588 See log for complete Python traceback. 
    75589  
    75590 Traceback (most recent call last): 
    75591 File
    75592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75594 return self._func(self._name, data) 
    75595 File
    75596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75597 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75598 if v.display: 
    75599 File
    75600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75601 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75602 return self._any_displayed_positions and len(self._positions) > 0 
    75603 TypeError: object of type 'NoneType' has no len() 
    75604  
    75605 During handling of the above exception, another exception occurred: 
    75606  
    75607 Traceback (most recent call last): 
    75608 File
    75609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75610 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75611 if not self.draw_new_frame(): 
    75612 File
    75613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75614 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75615 changed = view.check_for_drawing_change() 
    75616 File
    75617 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75618 packages/chimerax/core/graphics/view.py", line 252, in
    75619 check_for_drawing_change 
    75620 trig.activate_trigger('graphics update', self) 
    75621 File
    75622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75623 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75624 trigger.activate(data) 
    75625 File
    75626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75627 packages/chimerax/core/triggerset.py", line 190, in activate 
    75628 ret = handler.invoke(data, self._remove_bad_handlers) 
    75629 File
    75630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75631 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75632 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75633 File
    75634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75635 packages/chimerax/core/session.py", line 943, in <lambda> 
    75636 logger.report_exception(preface=preface)) 
    75637 File
    75638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75639 packages/chimerax/core/logger.py", line 421, in report_exception 
    75640 elif probably_chimera1_session(exc_info): 
    75641 File
    75642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75643 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75644 etype, evalue, etraceback = exc_info 
    75645 TypeError: cannot unpack non-iterable NoneType object 
    75646  
    75647 TypeError: cannot unpack non-iterable NoneType object 
    75648  
    75649 File
    75650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75651 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75652 etype, evalue, etraceback = exc_info 
    75653  
    75654 See log for complete Python traceback. 
    75655  
    75656 Traceback (most recent call last): 
    75657 File
    75658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75659 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75660 return self._func(self._name, data) 
    75661 File
    75662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75663 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75664 if v.display: 
    75665 File
    75666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75667 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75668 return self._any_displayed_positions and len(self._positions) > 0 
    75669 TypeError: object of type 'NoneType' has no len() 
    75670  
    75671 During handling of the above exception, another exception occurred: 
    75672  
    75673 Traceback (most recent call last): 
    75674 File
    75675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75676 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75677 if not self.draw_new_frame(): 
    75678 File
    75679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75680 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75681 changed = view.check_for_drawing_change() 
    75682 File
    75683 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75684 packages/chimerax/core/graphics/view.py", line 252, in
    75685 check_for_drawing_change 
    75686 trig.activate_trigger('graphics update', self) 
    75687 File
    75688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75689 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75690 trigger.activate(data) 
    75691 File
    75692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75693 packages/chimerax/core/triggerset.py", line 190, in activate 
    75694 ret = handler.invoke(data, self._remove_bad_handlers) 
    75695 File
    75696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75697 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75698 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75699 File
    75700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75701 packages/chimerax/core/session.py", line 943, in <lambda> 
    75702 logger.report_exception(preface=preface)) 
    75703 File
    75704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75705 packages/chimerax/core/logger.py", line 421, in report_exception 
    75706 elif probably_chimera1_session(exc_info): 
    75707 File
    75708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75709 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75710 etype, evalue, etraceback = exc_info 
    75711 TypeError: cannot unpack non-iterable NoneType object 
    75712  
    75713 TypeError: cannot unpack non-iterable NoneType object 
    75714  
    75715 File
    75716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75717 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75718 etype, evalue, etraceback = exc_info 
    75719  
    75720 See log for complete Python traceback. 
    75721  
    75722 Traceback (most recent call last): 
    75723 File
    75724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75725 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75726 return self._func(self._name, data) 
    75727 File
    75728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75729 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75730 if v.display: 
    75731 File
    75732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75733 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75734 return self._any_displayed_positions and len(self._positions) > 0 
    75735 TypeError: object of type 'NoneType' has no len() 
    75736  
    75737 During handling of the above exception, another exception occurred: 
    75738  
    75739 Traceback (most recent call last): 
    75740 File
    75741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75742 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75743 if not self.draw_new_frame(): 
    75744 File
    75745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75746 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75747 changed = view.check_for_drawing_change() 
    75748 File
    75749 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75750 packages/chimerax/core/graphics/view.py", line 252, in
    75751 check_for_drawing_change 
    75752 trig.activate_trigger('graphics update', self) 
    75753 File
    75754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75755 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75756 trigger.activate(data) 
    75757 File
    75758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75759 packages/chimerax/core/triggerset.py", line 190, in activate 
    75760 ret = handler.invoke(data, self._remove_bad_handlers) 
    75761 File
    75762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75763 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75764 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75765 File
    75766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75767 packages/chimerax/core/session.py", line 943, in <lambda> 
    75768 logger.report_exception(preface=preface)) 
    75769 File
    75770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75771 packages/chimerax/core/logger.py", line 421, in report_exception 
    75772 elif probably_chimera1_session(exc_info): 
    75773 File
    75774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75775 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75776 etype, evalue, etraceback = exc_info 
    75777 TypeError: cannot unpack non-iterable NoneType object 
    75778  
    75779 TypeError: cannot unpack non-iterable NoneType object 
    75780  
    75781 File
    75782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75783 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75784 etype, evalue, etraceback = exc_info 
    75785  
    75786 See log for complete Python traceback. 
    75787  
    75788 Traceback (most recent call last): 
    75789 File
    75790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75791 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75792 return self._func(self._name, data) 
    75793 File
    75794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75795 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75796 if v.display: 
    75797 File
    75798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75799 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75800 return self._any_displayed_positions and len(self._positions) > 0 
    75801 TypeError: object of type 'NoneType' has no len() 
    75802  
    75803 During handling of the above exception, another exception occurred: 
    75804  
    75805 Traceback (most recent call last): 
    75806 File
    75807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75808 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75809 if not self.draw_new_frame(): 
    75810 File
    75811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75812 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75813 changed = view.check_for_drawing_change() 
    75814 File
    75815 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75816 packages/chimerax/core/graphics/view.py", line 252, in
    75817 check_for_drawing_change 
    75818 trig.activate_trigger('graphics update', self) 
    75819 File
    75820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75821 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75822 trigger.activate(data) 
    75823 File
    75824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75825 packages/chimerax/core/triggerset.py", line 190, in activate 
    75826 ret = handler.invoke(data, self._remove_bad_handlers) 
    75827 File
    75828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75829 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75830 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75831 File
    75832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75833 packages/chimerax/core/session.py", line 943, in <lambda> 
    75834 logger.report_exception(preface=preface)) 
    75835 File
    75836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75837 packages/chimerax/core/logger.py", line 421, in report_exception 
    75838 elif probably_chimera1_session(exc_info): 
    75839 File
    75840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75841 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75842 etype, evalue, etraceback = exc_info 
    75843 TypeError: cannot unpack non-iterable NoneType object 
    75844  
    75845 TypeError: cannot unpack non-iterable NoneType object 
    75846  
    75847 File
    75848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75849 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75850 etype, evalue, etraceback = exc_info 
    75851  
    75852 See log for complete Python traceback. 
    75853  
    75854 Traceback (most recent call last): 
    75855 File
    75856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75857 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75858 return self._func(self._name, data) 
    75859 File
    75860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75861 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75862 if v.display: 
    75863 File
    75864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75865 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75866 return self._any_displayed_positions and len(self._positions) > 0 
    75867 TypeError: object of type 'NoneType' has no len() 
    75868  
    75869 During handling of the above exception, another exception occurred: 
    75870  
    75871 Traceback (most recent call last): 
    75872 File
    75873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75874 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75875 if not self.draw_new_frame(): 
    75876 File
    75877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75878 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75879 changed = view.check_for_drawing_change() 
    75880 File
    75881 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75882 packages/chimerax/core/graphics/view.py", line 252, in
    75883 check_for_drawing_change 
    75884 trig.activate_trigger('graphics update', self) 
    75885 File
    75886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75887 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75888 trigger.activate(data) 
    75889 File
    75890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75891 packages/chimerax/core/triggerset.py", line 190, in activate 
    75892 ret = handler.invoke(data, self._remove_bad_handlers) 
    75893 File
    75894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75895 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75896 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75897 File
    75898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75899 packages/chimerax/core/session.py", line 943, in <lambda> 
    75900 logger.report_exception(preface=preface)) 
    75901 File
    75902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75903 packages/chimerax/core/logger.py", line 421, in report_exception 
    75904 elif probably_chimera1_session(exc_info): 
    75905 File
    75906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75907 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75908 etype, evalue, etraceback = exc_info 
    75909 TypeError: cannot unpack non-iterable NoneType object 
    75910  
    75911 TypeError: cannot unpack non-iterable NoneType object 
    75912  
    75913 File
    75914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75915 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75916 etype, evalue, etraceback = exc_info 
    75917  
    75918 See log for complete Python traceback. 
    75919  
    75920 Traceback (most recent call last): 
    75921 File
    75922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75923 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75924 return self._func(self._name, data) 
    75925 File
    75926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75927 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75928 if v.display: 
    75929 File
    75930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75931 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75932 return self._any_displayed_positions and len(self._positions) > 0 
    75933 TypeError: object of type 'NoneType' has no len() 
    75934  
    75935 During handling of the above exception, another exception occurred: 
    75936  
    75937 Traceback (most recent call last): 
    75938 File
    75939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75940 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    75941 if not self.draw_new_frame(): 
    75942 File
    75943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75944 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    75945 changed = view.check_for_drawing_change() 
    75946 File
    75947 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75948 packages/chimerax/core/graphics/view.py", line 252, in
    75949 check_for_drawing_change 
    75950 trig.activate_trigger('graphics update', self) 
    75951 File
    75952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75953 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    75954 trigger.activate(data) 
    75955 File
    75956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75957 packages/chimerax/core/triggerset.py", line 190, in activate 
    75958 ret = handler.invoke(data, self._remove_bad_handlers) 
    75959 File
    75960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75961 packages/chimerax/core/triggerset.py", line 132, in invoke 
    75962 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    75963 File
    75964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75965 packages/chimerax/core/session.py", line 943, in <lambda> 
    75966 logger.report_exception(preface=preface)) 
    75967 File
    75968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75969 packages/chimerax/core/logger.py", line 421, in report_exception 
    75970 elif probably_chimera1_session(exc_info): 
    75971 File
    75972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75973 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75974 etype, evalue, etraceback = exc_info 
    75975 TypeError: cannot unpack non-iterable NoneType object 
    75976  
    75977 TypeError: cannot unpack non-iterable NoneType object 
    75978  
    75979 File
    75980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75981 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    75982 etype, evalue, etraceback = exc_info 
    75983  
    75984 See log for complete Python traceback. 
    75985  
    75986 Traceback (most recent call last): 
    75987 File
    75988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75989 packages/chimerax/core/triggerset.py", line 130, in invoke 
    75990 return self._func(self._name, data) 
    75991 File
    75992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75993 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    75994 if v.display: 
    75995 File
    75996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    75997 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    75998 return self._any_displayed_positions and len(self._positions) > 0 
    75999 TypeError: object of type 'NoneType' has no len() 
    76000  
    76001 During handling of the above exception, another exception occurred: 
    76002  
    76003 Traceback (most recent call last): 
    76004 File
    76005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76006 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76007 if not self.draw_new_frame(): 
    76008 File
    76009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76010 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76011 changed = view.check_for_drawing_change() 
    76012 File
    76013 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76014 packages/chimerax/core/graphics/view.py", line 252, in
    76015 check_for_drawing_change 
    76016 trig.activate_trigger('graphics update', self) 
    76017 File
    76018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76019 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76020 trigger.activate(data) 
    76021 File
    76022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76023 packages/chimerax/core/triggerset.py", line 190, in activate 
    76024 ret = handler.invoke(data, self._remove_bad_handlers) 
    76025 File
    76026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76027 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76028 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76029 File
    76030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76031 packages/chimerax/core/session.py", line 943, in <lambda> 
    76032 logger.report_exception(preface=preface)) 
    76033 File
    76034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76035 packages/chimerax/core/logger.py", line 421, in report_exception 
    76036 elif probably_chimera1_session(exc_info): 
    76037 File
    76038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76039 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76040 etype, evalue, etraceback = exc_info 
    76041 TypeError: cannot unpack non-iterable NoneType object 
    76042  
    76043 TypeError: cannot unpack non-iterable NoneType object 
    76044  
    76045 File
    76046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76047 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76048 etype, evalue, etraceback = exc_info 
    76049  
    76050 See log for complete Python traceback. 
    76051  
    76052 Traceback (most recent call last): 
    76053 File
    76054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76055 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76056 return self._func(self._name, data) 
    76057 File
    76058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76059 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76060 if v.display: 
    76061 File
    76062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76063 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76064 return self._any_displayed_positions and len(self._positions) > 0 
    76065 TypeError: object of type 'NoneType' has no len() 
    76066  
    76067 During handling of the above exception, another exception occurred: 
    76068  
    76069 Traceback (most recent call last): 
    76070 File
    76071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76072 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76073 if not self.draw_new_frame(): 
    76074 File
    76075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76076 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76077 changed = view.check_for_drawing_change() 
    76078 File
    76079 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76080 packages/chimerax/core/graphics/view.py", line 252, in
    76081 check_for_drawing_change 
    76082 trig.activate_trigger('graphics update', self) 
    76083 File
    76084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76085 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76086 trigger.activate(data) 
    76087 File
    76088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76089 packages/chimerax/core/triggerset.py", line 190, in activate 
    76090 ret = handler.invoke(data, self._remove_bad_handlers) 
    76091 File
    76092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76093 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76094 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76095 File
    76096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76097 packages/chimerax/core/session.py", line 943, in <lambda> 
    76098 logger.report_exception(preface=preface)) 
    76099 File
    76100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76101 packages/chimerax/core/logger.py", line 421, in report_exception 
    76102 elif probably_chimera1_session(exc_info): 
    76103 File
    76104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76105 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76106 etype, evalue, etraceback = exc_info 
    76107 TypeError: cannot unpack non-iterable NoneType object 
    76108  
    76109 TypeError: cannot unpack non-iterable NoneType object 
    76110  
    76111 File
    76112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76113 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76114 etype, evalue, etraceback = exc_info 
    76115  
    76116 See log for complete Python traceback. 
    76117  
    76118 Traceback (most recent call last): 
    76119 File
    76120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76121 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76122 return self._func(self._name, data) 
    76123 File
    76124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76125 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76126 if v.display: 
    76127 File
    76128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76129 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76130 return self._any_displayed_positions and len(self._positions) > 0 
    76131 TypeError: object of type 'NoneType' has no len() 
    76132  
    76133 During handling of the above exception, another exception occurred: 
    76134  
    76135 Traceback (most recent call last): 
    76136 File
    76137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76138 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76139 if not self.draw_new_frame(): 
    76140 File
    76141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76142 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76143 changed = view.check_for_drawing_change() 
    76144 File
    76145 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76146 packages/chimerax/core/graphics/view.py", line 252, in
    76147 check_for_drawing_change 
    76148 trig.activate_trigger('graphics update', self) 
    76149 File
    76150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76151 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76152 trigger.activate(data) 
    76153 File
    76154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76155 packages/chimerax/core/triggerset.py", line 190, in activate 
    76156 ret = handler.invoke(data, self._remove_bad_handlers) 
    76157 File
    76158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76159 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76160 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76161 File
    76162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76163 packages/chimerax/core/session.py", line 943, in <lambda> 
    76164 logger.report_exception(preface=preface)) 
    76165 File
    76166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76167 packages/chimerax/core/logger.py", line 421, in report_exception 
    76168 elif probably_chimera1_session(exc_info): 
    76169 File
    76170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76171 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76172 etype, evalue, etraceback = exc_info 
    76173 TypeError: cannot unpack non-iterable NoneType object 
    76174  
    76175 TypeError: cannot unpack non-iterable NoneType object 
    76176  
    76177 File
    76178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76179 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76180 etype, evalue, etraceback = exc_info 
    76181  
    76182 See log for complete Python traceback. 
    76183  
    76184 Traceback (most recent call last): 
    76185 File
    76186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76187 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76188 return self._func(self._name, data) 
    76189 File
    76190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76191 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76192 if v.display: 
    76193 File
    76194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76195 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76196 return self._any_displayed_positions and len(self._positions) > 0 
    76197 TypeError: object of type 'NoneType' has no len() 
    76198  
    76199 During handling of the above exception, another exception occurred: 
    76200  
    76201 Traceback (most recent call last): 
    76202 File
    76203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76204 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76205 if not self.draw_new_frame(): 
    76206 File
    76207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76208 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76209 changed = view.check_for_drawing_change() 
    76210 File
    76211 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76212 packages/chimerax/core/graphics/view.py", line 252, in
    76213 check_for_drawing_change 
    76214 trig.activate_trigger('graphics update', self) 
    76215 File
    76216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76217 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76218 trigger.activate(data) 
    76219 File
    76220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76221 packages/chimerax/core/triggerset.py", line 190, in activate 
    76222 ret = handler.invoke(data, self._remove_bad_handlers) 
    76223 File
    76224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76225 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76226 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76227 File
    76228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76229 packages/chimerax/core/session.py", line 943, in <lambda> 
    76230 logger.report_exception(preface=preface)) 
    76231 File
    76232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76233 packages/chimerax/core/logger.py", line 421, in report_exception 
    76234 elif probably_chimera1_session(exc_info): 
    76235 File
    76236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76237 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76238 etype, evalue, etraceback = exc_info 
    76239 TypeError: cannot unpack non-iterable NoneType object 
    76240  
    76241 TypeError: cannot unpack non-iterable NoneType object 
    76242  
    76243 File
    76244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76245 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76246 etype, evalue, etraceback = exc_info 
    76247  
    76248 See log for complete Python traceback. 
    76249  
    76250 Traceback (most recent call last): 
    76251 File
    76252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76253 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76254 return self._func(self._name, data) 
    76255 File
    76256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76257 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76258 if v.display: 
    76259 File
    76260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76261 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76262 return self._any_displayed_positions and len(self._positions) > 0 
    76263 TypeError: object of type 'NoneType' has no len() 
    76264  
    76265 During handling of the above exception, another exception occurred: 
    76266  
    76267 Traceback (most recent call last): 
    76268 File
    76269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76270 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76271 if not self.draw_new_frame(): 
    76272 File
    76273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76274 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76275 changed = view.check_for_drawing_change() 
    76276 File
    76277 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76278 packages/chimerax/core/graphics/view.py", line 252, in
    76279 check_for_drawing_change 
    76280 trig.activate_trigger('graphics update', self) 
    76281 File
    76282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76283 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76284 trigger.activate(data) 
    76285 File
    76286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76287 packages/chimerax/core/triggerset.py", line 190, in activate 
    76288 ret = handler.invoke(data, self._remove_bad_handlers) 
    76289 File
    76290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76291 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76292 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76293 File
    76294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76295 packages/chimerax/core/session.py", line 943, in <lambda> 
    76296 logger.report_exception(preface=preface)) 
    76297 File
    76298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76299 packages/chimerax/core/logger.py", line 421, in report_exception 
    76300 elif probably_chimera1_session(exc_info): 
    76301 File
    76302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76303 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76304 etype, evalue, etraceback = exc_info 
    76305 TypeError: cannot unpack non-iterable NoneType object 
    76306  
    76307 TypeError: cannot unpack non-iterable NoneType object 
    76308  
    76309 File
    76310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76311 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76312 etype, evalue, etraceback = exc_info 
    76313  
    76314 See log for complete Python traceback. 
    76315  
    76316 Traceback (most recent call last): 
    76317 File
    76318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76319 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76320 return self._func(self._name, data) 
    76321 File
    76322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76323 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76324 if v.display: 
    76325 File
    76326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76327 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76328 return self._any_displayed_positions and len(self._positions) > 0 
    76329 TypeError: object of type 'NoneType' has no len() 
    76330  
    76331 During handling of the above exception, another exception occurred: 
    76332  
    76333 Traceback (most recent call last): 
    76334 File
    76335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76336 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76337 if not self.draw_new_frame(): 
    76338 File
    76339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76340 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76341 changed = view.check_for_drawing_change() 
    76342 File
    76343 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76344 packages/chimerax/core/graphics/view.py", line 252, in
    76345 check_for_drawing_change 
    76346 trig.activate_trigger('graphics update', self) 
    76347 File
    76348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76349 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76350 trigger.activate(data) 
    76351 File
    76352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76353 packages/chimerax/core/triggerset.py", line 190, in activate 
    76354 ret = handler.invoke(data, self._remove_bad_handlers) 
    76355 File
    76356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76357 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76358 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76359 File
    76360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76361 packages/chimerax/core/session.py", line 943, in <lambda> 
    76362 logger.report_exception(preface=preface)) 
    76363 File
    76364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76365 packages/chimerax/core/logger.py", line 421, in report_exception 
    76366 elif probably_chimera1_session(exc_info): 
    76367 File
    76368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76369 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76370 etype, evalue, etraceback = exc_info 
    76371 TypeError: cannot unpack non-iterable NoneType object 
    76372  
    76373 TypeError: cannot unpack non-iterable NoneType object 
    76374  
    76375 File
    76376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76377 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76378 etype, evalue, etraceback = exc_info 
    76379  
    76380 See log for complete Python traceback. 
    76381  
    76382 Traceback (most recent call last): 
    76383 File
    76384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76385 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76386 return self._func(self._name, data) 
    76387 File
    76388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76389 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76390 if v.display: 
    76391 File
    76392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76393 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76394 return self._any_displayed_positions and len(self._positions) > 0 
    76395 TypeError: object of type 'NoneType' has no len() 
    76396  
    76397 During handling of the above exception, another exception occurred: 
    76398  
    76399 Traceback (most recent call last): 
    76400 File
    76401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76402 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76403 if not self.draw_new_frame(): 
    76404 File
    76405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76406 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76407 changed = view.check_for_drawing_change() 
    76408 File
    76409 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76410 packages/chimerax/core/graphics/view.py", line 252, in
    76411 check_for_drawing_change 
    76412 trig.activate_trigger('graphics update', self) 
    76413 File
    76414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76415 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76416 trigger.activate(data) 
    76417 File
    76418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76419 packages/chimerax/core/triggerset.py", line 190, in activate 
    76420 ret = handler.invoke(data, self._remove_bad_handlers) 
    76421 File
    76422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76423 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76424 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76425 File
    76426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76427 packages/chimerax/core/session.py", line 943, in <lambda> 
    76428 logger.report_exception(preface=preface)) 
    76429 File
    76430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76431 packages/chimerax/core/logger.py", line 421, in report_exception 
    76432 elif probably_chimera1_session(exc_info): 
    76433 File
    76434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76435 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76436 etype, evalue, etraceback = exc_info 
    76437 TypeError: cannot unpack non-iterable NoneType object 
    76438  
    76439 TypeError: cannot unpack non-iterable NoneType object 
    76440  
    76441 File
    76442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76443 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76444 etype, evalue, etraceback = exc_info 
    76445  
    76446 See log for complete Python traceback. 
    76447  
    76448 Traceback (most recent call last): 
    76449 File
    76450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76451 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76452 return self._func(self._name, data) 
    76453 File
    76454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76455 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76456 if v.display: 
    76457 File
    76458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76459 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76460 return self._any_displayed_positions and len(self._positions) > 0 
    76461 TypeError: object of type 'NoneType' has no len() 
    76462  
    76463 During handling of the above exception, another exception occurred: 
    76464  
    76465 Traceback (most recent call last): 
    76466 File
    76467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76468 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76469 if not self.draw_new_frame(): 
    76470 File
    76471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76472 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76473 changed = view.check_for_drawing_change() 
    76474 File
    76475 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76476 packages/chimerax/core/graphics/view.py", line 252, in
    76477 check_for_drawing_change 
    76478 trig.activate_trigger('graphics update', self) 
    76479 File
    76480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76481 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76482 trigger.activate(data) 
    76483 File
    76484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76485 packages/chimerax/core/triggerset.py", line 190, in activate 
    76486 ret = handler.invoke(data, self._remove_bad_handlers) 
    76487 File
    76488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76489 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76490 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76491 File
    76492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76493 packages/chimerax/core/session.py", line 943, in <lambda> 
    76494 logger.report_exception(preface=preface)) 
    76495 File
    76496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76497 packages/chimerax/core/logger.py", line 421, in report_exception 
    76498 elif probably_chimera1_session(exc_info): 
    76499 File
    76500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76501 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76502 etype, evalue, etraceback = exc_info 
    76503 TypeError: cannot unpack non-iterable NoneType object 
    76504  
    76505 TypeError: cannot unpack non-iterable NoneType object 
    76506  
    76507 File
    76508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76509 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76510 etype, evalue, etraceback = exc_info 
    76511  
    76512 See log for complete Python traceback. 
    76513  
    76514 Traceback (most recent call last): 
    76515 File
    76516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76517 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76518 return self._func(self._name, data) 
    76519 File
    76520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76521 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76522 if v.display: 
    76523 File
    76524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76525 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76526 return self._any_displayed_positions and len(self._positions) > 0 
    76527 TypeError: object of type 'NoneType' has no len() 
    76528  
    76529 During handling of the above exception, another exception occurred: 
    76530  
    76531 Traceback (most recent call last): 
    76532 File
    76533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76534 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76535 if not self.draw_new_frame(): 
    76536 File
    76537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76538 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76539 changed = view.check_for_drawing_change() 
    76540 File
    76541 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76542 packages/chimerax/core/graphics/view.py", line 252, in
    76543 check_for_drawing_change 
    76544 trig.activate_trigger('graphics update', self) 
    76545 File
    76546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76547 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76548 trigger.activate(data) 
    76549 File
    76550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76551 packages/chimerax/core/triggerset.py", line 190, in activate 
    76552 ret = handler.invoke(data, self._remove_bad_handlers) 
    76553 File
    76554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76555 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76556 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76557 File
    76558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76559 packages/chimerax/core/session.py", line 943, in <lambda> 
    76560 logger.report_exception(preface=preface)) 
    76561 File
    76562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76563 packages/chimerax/core/logger.py", line 421, in report_exception 
    76564 elif probably_chimera1_session(exc_info): 
    76565 File
    76566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76567 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76568 etype, evalue, etraceback = exc_info 
    76569 TypeError: cannot unpack non-iterable NoneType object 
    76570  
    76571 TypeError: cannot unpack non-iterable NoneType object 
    76572  
    76573 File
    76574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76575 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76576 etype, evalue, etraceback = exc_info 
    76577  
    76578 See log for complete Python traceback. 
    76579  
    76580 Traceback (most recent call last): 
    76581 File
    76582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76583 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76584 return self._func(self._name, data) 
    76585 File
    76586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76587 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76588 if v.display: 
    76589 File
    76590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76591 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76592 return self._any_displayed_positions and len(self._positions) > 0 
    76593 TypeError: object of type 'NoneType' has no len() 
    76594  
    76595 During handling of the above exception, another exception occurred: 
    76596  
    76597 Traceback (most recent call last): 
    76598 File
    76599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76600 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76601 if not self.draw_new_frame(): 
    76602 File
    76603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76604 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76605 changed = view.check_for_drawing_change() 
    76606 File
    76607 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76608 packages/chimerax/core/graphics/view.py", line 252, in
    76609 check_for_drawing_change 
    76610 trig.activate_trigger('graphics update', self) 
    76611 File
    76612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76613 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76614 trigger.activate(data) 
    76615 File
    76616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76617 packages/chimerax/core/triggerset.py", line 190, in activate 
    76618 ret = handler.invoke(data, self._remove_bad_handlers) 
    76619 File
    76620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76621 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76622 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76623 File
    76624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76625 packages/chimerax/core/session.py", line 943, in <lambda> 
    76626 logger.report_exception(preface=preface)) 
    76627 File
    76628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76629 packages/chimerax/core/logger.py", line 421, in report_exception 
    76630 elif probably_chimera1_session(exc_info): 
    76631 File
    76632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76633 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76634 etype, evalue, etraceback = exc_info 
    76635 TypeError: cannot unpack non-iterable NoneType object 
    76636  
    76637 TypeError: cannot unpack non-iterable NoneType object 
    76638  
    76639 File
    76640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76641 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76642 etype, evalue, etraceback = exc_info 
    76643  
    76644 See log for complete Python traceback. 
    76645  
    76646 Traceback (most recent call last): 
    76647 File
    76648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76649 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76650 return self._func(self._name, data) 
    76651 File
    76652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76653 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76654 if v.display: 
    76655 File
    76656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76657 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76658 return self._any_displayed_positions and len(self._positions) > 0 
    76659 TypeError: object of type 'NoneType' has no len() 
    76660  
    76661 During handling of the above exception, another exception occurred: 
    76662  
    76663 Traceback (most recent call last): 
    76664 File
    76665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76666 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76667 if not self.draw_new_frame(): 
    76668 File
    76669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76670 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76671 changed = view.check_for_drawing_change() 
    76672 File
    76673 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76674 packages/chimerax/core/graphics/view.py", line 252, in
    76675 check_for_drawing_change 
    76676 trig.activate_trigger('graphics update', self) 
    76677 File
    76678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76679 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76680 trigger.activate(data) 
    76681 File
    76682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76683 packages/chimerax/core/triggerset.py", line 190, in activate 
    76684 ret = handler.invoke(data, self._remove_bad_handlers) 
    76685 File
    76686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76687 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76688 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76689 File
    76690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76691 packages/chimerax/core/session.py", line 943, in <lambda> 
    76692 logger.report_exception(preface=preface)) 
    76693 File
    76694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76695 packages/chimerax/core/logger.py", line 421, in report_exception 
    76696 elif probably_chimera1_session(exc_info): 
    76697 File
    76698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76699 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76700 etype, evalue, etraceback = exc_info 
    76701 TypeError: cannot unpack non-iterable NoneType object 
    76702  
    76703 TypeError: cannot unpack non-iterable NoneType object 
    76704  
    76705 File
    76706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76707 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76708 etype, evalue, etraceback = exc_info 
    76709  
    76710 See log for complete Python traceback. 
    76711  
    76712 Traceback (most recent call last): 
    76713 File
    76714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76715 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76716 return self._func(self._name, data) 
    76717 File
    76718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76719 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76720 if v.display: 
    76721 File
    76722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76723 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76724 return self._any_displayed_positions and len(self._positions) > 0 
    76725 TypeError: object of type 'NoneType' has no len() 
    76726  
    76727 During handling of the above exception, another exception occurred: 
    76728  
    76729 Traceback (most recent call last): 
    76730 File
    76731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76732 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76733 if not self.draw_new_frame(): 
    76734 File
    76735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76736 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76737 changed = view.check_for_drawing_change() 
    76738 File
    76739 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76740 packages/chimerax/core/graphics/view.py", line 252, in
    76741 check_for_drawing_change 
    76742 trig.activate_trigger('graphics update', self) 
    76743 File
    76744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76745 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76746 trigger.activate(data) 
    76747 File
    76748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76749 packages/chimerax/core/triggerset.py", line 190, in activate 
    76750 ret = handler.invoke(data, self._remove_bad_handlers) 
    76751 File
    76752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76753 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76754 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76755 File
    76756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76757 packages/chimerax/core/session.py", line 943, in <lambda> 
    76758 logger.report_exception(preface=preface)) 
    76759 File
    76760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76761 packages/chimerax/core/logger.py", line 421, in report_exception 
    76762 elif probably_chimera1_session(exc_info): 
    76763 File
    76764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76765 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76766 etype, evalue, etraceback = exc_info 
    76767 TypeError: cannot unpack non-iterable NoneType object 
    76768  
    76769 TypeError: cannot unpack non-iterable NoneType object 
    76770  
    76771 File
    76772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76773 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76774 etype, evalue, etraceback = exc_info 
    76775  
    76776 See log for complete Python traceback. 
    76777  
    76778 Traceback (most recent call last): 
    76779 File
    76780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76781 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76782 return self._func(self._name, data) 
    76783 File
    76784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76785 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76786 if v.display: 
    76787 File
    76788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76789 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76790 return self._any_displayed_positions and len(self._positions) > 0 
    76791 TypeError: object of type 'NoneType' has no len() 
    76792  
    76793 During handling of the above exception, another exception occurred: 
    76794  
    76795 Traceback (most recent call last): 
    76796 File
    76797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76798 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76799 if not self.draw_new_frame(): 
    76800 File
    76801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76802 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76803 changed = view.check_for_drawing_change() 
    76804 File
    76805 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76806 packages/chimerax/core/graphics/view.py", line 252, in
    76807 check_for_drawing_change 
    76808 trig.activate_trigger('graphics update', self) 
    76809 File
    76810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76811 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76812 trigger.activate(data) 
    76813 File
    76814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76815 packages/chimerax/core/triggerset.py", line 190, in activate 
    76816 ret = handler.invoke(data, self._remove_bad_handlers) 
    76817 File
    76818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76819 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76820 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76821 File
    76822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76823 packages/chimerax/core/session.py", line 943, in <lambda> 
    76824 logger.report_exception(preface=preface)) 
    76825 File
    76826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76827 packages/chimerax/core/logger.py", line 421, in report_exception 
    76828 elif probably_chimera1_session(exc_info): 
    76829 File
    76830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76831 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76832 etype, evalue, etraceback = exc_info 
    76833 TypeError: cannot unpack non-iterable NoneType object 
    76834  
    76835 TypeError: cannot unpack non-iterable NoneType object 
    76836  
    76837 File
    76838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76839 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76840 etype, evalue, etraceback = exc_info 
    76841  
    76842 See log for complete Python traceback. 
    76843  
    76844 Traceback (most recent call last): 
    76845 File
    76846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76847 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76848 return self._func(self._name, data) 
    76849 File
    76850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76851 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76852 if v.display: 
    76853 File
    76854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76855 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76856 return self._any_displayed_positions and len(self._positions) > 0 
    76857 TypeError: object of type 'NoneType' has no len() 
    76858  
    76859 During handling of the above exception, another exception occurred: 
    76860  
    76861 Traceback (most recent call last): 
    76862 File
    76863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76864 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76865 if not self.draw_new_frame(): 
    76866 File
    76867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76868 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76869 changed = view.check_for_drawing_change() 
    76870 File
    76871 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76872 packages/chimerax/core/graphics/view.py", line 252, in
    76873 check_for_drawing_change 
    76874 trig.activate_trigger('graphics update', self) 
    76875 File
    76876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76877 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76878 trigger.activate(data) 
    76879 File
    76880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76881 packages/chimerax/core/triggerset.py", line 190, in activate 
    76882 ret = handler.invoke(data, self._remove_bad_handlers) 
    76883 File
    76884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76885 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76886 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76887 File
    76888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76889 packages/chimerax/core/session.py", line 943, in <lambda> 
    76890 logger.report_exception(preface=preface)) 
    76891 File
    76892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76893 packages/chimerax/core/logger.py", line 421, in report_exception 
    76894 elif probably_chimera1_session(exc_info): 
    76895 File
    76896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76897 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76898 etype, evalue, etraceback = exc_info 
    76899 TypeError: cannot unpack non-iterable NoneType object 
    76900  
    76901 TypeError: cannot unpack non-iterable NoneType object 
    76902  
    76903 File
    76904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76905 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76906 etype, evalue, etraceback = exc_info 
    76907  
    76908 See log for complete Python traceback. 
    76909  
    76910 Traceback (most recent call last): 
    76911 File
    76912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76913 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76914 return self._func(self._name, data) 
    76915 File
    76916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76917 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76918 if v.display: 
    76919 File
    76920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76921 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76922 return self._any_displayed_positions and len(self._positions) > 0 
    76923 TypeError: object of type 'NoneType' has no len() 
    76924  
    76925 During handling of the above exception, another exception occurred: 
    76926  
    76927 Traceback (most recent call last): 
    76928 File
    76929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76930 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76931 if not self.draw_new_frame(): 
    76932 File
    76933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76934 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    76935 changed = view.check_for_drawing_change() 
    76936 File
    76937 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76938 packages/chimerax/core/graphics/view.py", line 252, in
    76939 check_for_drawing_change 
    76940 trig.activate_trigger('graphics update', self) 
    76941 File
    76942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76943 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    76944 trigger.activate(data) 
    76945 File
    76946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76947 packages/chimerax/core/triggerset.py", line 190, in activate 
    76948 ret = handler.invoke(data, self._remove_bad_handlers) 
    76949 File
    76950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76951 packages/chimerax/core/triggerset.py", line 132, in invoke 
    76952 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    76953 File
    76954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76955 packages/chimerax/core/session.py", line 943, in <lambda> 
    76956 logger.report_exception(preface=preface)) 
    76957 File
    76958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76959 packages/chimerax/core/logger.py", line 421, in report_exception 
    76960 elif probably_chimera1_session(exc_info): 
    76961 File
    76962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76963 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76964 etype, evalue, etraceback = exc_info 
    76965 TypeError: cannot unpack non-iterable NoneType object 
    76966  
    76967 TypeError: cannot unpack non-iterable NoneType object 
    76968  
    76969 File
    76970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76971 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    76972 etype, evalue, etraceback = exc_info 
    76973  
    76974 See log for complete Python traceback. 
    76975  
    76976 Traceback (most recent call last): 
    76977 File
    76978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76979 packages/chimerax/core/triggerset.py", line 130, in invoke 
    76980 return self._func(self._name, data) 
    76981 File
    76982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76983 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    76984 if v.display: 
    76985 File
    76986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76987 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    76988 return self._any_displayed_positions and len(self._positions) > 0 
    76989 TypeError: object of type 'NoneType' has no len() 
    76990  
    76991 During handling of the above exception, another exception occurred: 
    76992  
    76993 Traceback (most recent call last): 
    76994 File
    76995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    76996 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    76997 if not self.draw_new_frame(): 
    76998 File
    76999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77000 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77001 changed = view.check_for_drawing_change() 
    77002 File
    77003 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77004 packages/chimerax/core/graphics/view.py", line 252, in
    77005 check_for_drawing_change 
    77006 trig.activate_trigger('graphics update', self) 
    77007 File
    77008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77009 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77010 trigger.activate(data) 
    77011 File
    77012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77013 packages/chimerax/core/triggerset.py", line 190, in activate 
    77014 ret = handler.invoke(data, self._remove_bad_handlers) 
    77015 File
    77016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77017 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77018 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77019 File
    77020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77021 packages/chimerax/core/session.py", line 943, in <lambda> 
    77022 logger.report_exception(preface=preface)) 
    77023 File
    77024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77025 packages/chimerax/core/logger.py", line 421, in report_exception 
    77026 elif probably_chimera1_session(exc_info): 
    77027 File
    77028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77029 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77030 etype, evalue, etraceback = exc_info 
    77031 TypeError: cannot unpack non-iterable NoneType object 
    77032  
    77033 TypeError: cannot unpack non-iterable NoneType object 
    77034  
    77035 File
    77036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77037 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77038 etype, evalue, etraceback = exc_info 
    77039  
    77040 See log for complete Python traceback. 
    77041  
    77042 Traceback (most recent call last): 
    77043 File
    77044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77045 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77046 return self._func(self._name, data) 
    77047 File
    77048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77049 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77050 if v.display: 
    77051 File
    77052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77053 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77054 return self._any_displayed_positions and len(self._positions) > 0 
    77055 TypeError: object of type 'NoneType' has no len() 
    77056  
    77057 During handling of the above exception, another exception occurred: 
    77058  
    77059 Traceback (most recent call last): 
    77060 File
    77061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77062 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77063 if not self.draw_new_frame(): 
    77064 File
    77065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77066 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77067 changed = view.check_for_drawing_change() 
    77068 File
    77069 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77070 packages/chimerax/core/graphics/view.py", line 252, in
    77071 check_for_drawing_change 
    77072 trig.activate_trigger('graphics update', self) 
    77073 File
    77074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77075 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77076 trigger.activate(data) 
    77077 File
    77078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77079 packages/chimerax/core/triggerset.py", line 190, in activate 
    77080 ret = handler.invoke(data, self._remove_bad_handlers) 
    77081 File
    77082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77083 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77084 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77085 File
    77086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77087 packages/chimerax/core/session.py", line 943, in <lambda> 
    77088 logger.report_exception(preface=preface)) 
    77089 File
    77090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77091 packages/chimerax/core/logger.py", line 421, in report_exception 
    77092 elif probably_chimera1_session(exc_info): 
    77093 File
    77094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77095 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77096 etype, evalue, etraceback = exc_info 
    77097 TypeError: cannot unpack non-iterable NoneType object 
    77098  
    77099 TypeError: cannot unpack non-iterable NoneType object 
    77100  
    77101 File
    77102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77103 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77104 etype, evalue, etraceback = exc_info 
    77105  
    77106 See log for complete Python traceback. 
    77107  
    77108 Traceback (most recent call last): 
    77109 File
    77110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77111 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77112 return self._func(self._name, data) 
    77113 File
    77114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77115 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77116 if v.display: 
    77117 File
    77118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77119 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77120 return self._any_displayed_positions and len(self._positions) > 0 
    77121 TypeError: object of type 'NoneType' has no len() 
    77122  
    77123 During handling of the above exception, another exception occurred: 
    77124  
    77125 Traceback (most recent call last): 
    77126 File
    77127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77128 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77129 if not self.draw_new_frame(): 
    77130 File
    77131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77132 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77133 changed = view.check_for_drawing_change() 
    77134 File
    77135 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77136 packages/chimerax/core/graphics/view.py", line 252, in
    77137 check_for_drawing_change 
    77138 trig.activate_trigger('graphics update', self) 
    77139 File
    77140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77141 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77142 trigger.activate(data) 
    77143 File
    77144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77145 packages/chimerax/core/triggerset.py", line 190, in activate 
    77146 ret = handler.invoke(data, self._remove_bad_handlers) 
    77147 File
    77148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77149 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77150 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77151 File
    77152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77153 packages/chimerax/core/session.py", line 943, in <lambda> 
    77154 logger.report_exception(preface=preface)) 
    77155 File
    77156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77157 packages/chimerax/core/logger.py", line 421, in report_exception 
    77158 elif probably_chimera1_session(exc_info): 
    77159 File
    77160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77161 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77162 etype, evalue, etraceback = exc_info 
    77163 TypeError: cannot unpack non-iterable NoneType object 
    77164  
    77165 TypeError: cannot unpack non-iterable NoneType object 
    77166  
    77167 File
    77168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77169 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77170 etype, evalue, etraceback = exc_info 
    77171  
    77172 See log for complete Python traceback. 
    77173  
    77174 Traceback (most recent call last): 
    77175 File
    77176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77177 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77178 return self._func(self._name, data) 
    77179 File
    77180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77181 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77182 if v.display: 
    77183 File
    77184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77185 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77186 return self._any_displayed_positions and len(self._positions) > 0 
    77187 TypeError: object of type 'NoneType' has no len() 
    77188  
    77189 During handling of the above exception, another exception occurred: 
    77190  
    77191 Traceback (most recent call last): 
    77192 File
    77193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77194 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77195 if not self.draw_new_frame(): 
    77196 File
    77197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77198 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77199 changed = view.check_for_drawing_change() 
    77200 File
    77201 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77202 packages/chimerax/core/graphics/view.py", line 252, in
    77203 check_for_drawing_change 
    77204 trig.activate_trigger('graphics update', self) 
    77205 File
    77206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77207 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77208 trigger.activate(data) 
    77209 File
    77210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77211 packages/chimerax/core/triggerset.py", line 190, in activate 
    77212 ret = handler.invoke(data, self._remove_bad_handlers) 
    77213 File
    77214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77215 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77216 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77217 File
    77218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77219 packages/chimerax/core/session.py", line 943, in <lambda> 
    77220 logger.report_exception(preface=preface)) 
    77221 File
    77222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77223 packages/chimerax/core/logger.py", line 421, in report_exception 
    77224 elif probably_chimera1_session(exc_info): 
    77225 File
    77226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77227 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77228 etype, evalue, etraceback = exc_info 
    77229 TypeError: cannot unpack non-iterable NoneType object 
    77230  
    77231 TypeError: cannot unpack non-iterable NoneType object 
    77232  
    77233 File
    77234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77235 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77236 etype, evalue, etraceback = exc_info 
    77237  
    77238 See log for complete Python traceback. 
    77239  
    77240 Traceback (most recent call last): 
    77241 File
    77242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77244 return self._func(self._name, data) 
    77245 File
    77246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77247 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77248 if v.display: 
    77249 File
    77250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77251 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77252 return self._any_displayed_positions and len(self._positions) > 0 
    77253 TypeError: object of type 'NoneType' has no len() 
    77254  
    77255 During handling of the above exception, another exception occurred: 
    77256  
    77257 Traceback (most recent call last): 
    77258 File
    77259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77260 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77261 if not self.draw_new_frame(): 
    77262 File
    77263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77264 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77265 changed = view.check_for_drawing_change() 
    77266 File
    77267 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77268 packages/chimerax/core/graphics/view.py", line 252, in
    77269 check_for_drawing_change 
    77270 trig.activate_trigger('graphics update', self) 
    77271 File
    77272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77273 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77274 trigger.activate(data) 
    77275 File
    77276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77277 packages/chimerax/core/triggerset.py", line 190, in activate 
    77278 ret = handler.invoke(data, self._remove_bad_handlers) 
    77279 File
    77280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77281 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77282 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77283 File
    77284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77285 packages/chimerax/core/session.py", line 943, in <lambda> 
    77286 logger.report_exception(preface=preface)) 
    77287 File
    77288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77289 packages/chimerax/core/logger.py", line 421, in report_exception 
    77290 elif probably_chimera1_session(exc_info): 
    77291 File
    77292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77293 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77294 etype, evalue, etraceback = exc_info 
    77295 TypeError: cannot unpack non-iterable NoneType object 
    77296  
    77297 TypeError: cannot unpack non-iterable NoneType object 
    77298  
    77299 File
    77300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77301 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77302 etype, evalue, etraceback = exc_info 
    77303  
    77304 See log for complete Python traceback. 
    77305  
    77306 Traceback (most recent call last): 
    77307 File
    77308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77309 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77310 return self._func(self._name, data) 
    77311 File
    77312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77313 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77314 if v.display: 
    77315 File
    77316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77317 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77318 return self._any_displayed_positions and len(self._positions) > 0 
    77319 TypeError: object of type 'NoneType' has no len() 
    77320  
    77321 During handling of the above exception, another exception occurred: 
    77322  
    77323 Traceback (most recent call last): 
    77324 File
    77325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77326 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77327 if not self.draw_new_frame(): 
    77328 File
    77329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77330 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77331 changed = view.check_for_drawing_change() 
    77332 File
    77333 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77334 packages/chimerax/core/graphics/view.py", line 252, in
    77335 check_for_drawing_change 
    77336 trig.activate_trigger('graphics update', self) 
    77337 File
    77338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77339 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77340 trigger.activate(data) 
    77341 File
    77342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77343 packages/chimerax/core/triggerset.py", line 190, in activate 
    77344 ret = handler.invoke(data, self._remove_bad_handlers) 
    77345 File
    77346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77347 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77348 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77349 File
    77350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77351 packages/chimerax/core/session.py", line 943, in <lambda> 
    77352 logger.report_exception(preface=preface)) 
    77353 File
    77354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77355 packages/chimerax/core/logger.py", line 421, in report_exception 
    77356 elif probably_chimera1_session(exc_info): 
    77357 File
    77358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77359 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77360 etype, evalue, etraceback = exc_info 
    77361 TypeError: cannot unpack non-iterable NoneType object 
    77362  
    77363 TypeError: cannot unpack non-iterable NoneType object 
    77364  
    77365 File
    77366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77367 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77368 etype, evalue, etraceback = exc_info 
    77369  
    77370 See log for complete Python traceback. 
    77371  
    77372 Traceback (most recent call last): 
    77373 File
    77374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77375 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77376 return self._func(self._name, data) 
    77377 File
    77378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77379 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77380 if v.display: 
    77381 File
    77382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77383 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77384 return self._any_displayed_positions and len(self._positions) > 0 
    77385 TypeError: object of type 'NoneType' has no len() 
    77386  
    77387 During handling of the above exception, another exception occurred: 
    77388  
    77389 Traceback (most recent call last): 
    77390 File
    77391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77392 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77393 if not self.draw_new_frame(): 
    77394 File
    77395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77396 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77397 changed = view.check_for_drawing_change() 
    77398 File
    77399 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77400 packages/chimerax/core/graphics/view.py", line 252, in
    77401 check_for_drawing_change 
    77402 trig.activate_trigger('graphics update', self) 
    77403 File
    77404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77405 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77406 trigger.activate(data) 
    77407 File
    77408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77409 packages/chimerax/core/triggerset.py", line 190, in activate 
    77410 ret = handler.invoke(data, self._remove_bad_handlers) 
    77411 File
    77412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77413 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77414 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77415 File
    77416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77417 packages/chimerax/core/session.py", line 943, in <lambda> 
    77418 logger.report_exception(preface=preface)) 
    77419 File
    77420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77421 packages/chimerax/core/logger.py", line 421, in report_exception 
    77422 elif probably_chimera1_session(exc_info): 
    77423 File
    77424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77425 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77426 etype, evalue, etraceback = exc_info 
    77427 TypeError: cannot unpack non-iterable NoneType object 
    77428  
    77429 TypeError: cannot unpack non-iterable NoneType object 
    77430  
    77431 File
    77432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77433 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77434 etype, evalue, etraceback = exc_info 
    77435  
    77436 See log for complete Python traceback. 
    77437  
    77438 Traceback (most recent call last): 
    77439 File
    77440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77441 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77442 return self._func(self._name, data) 
    77443 File
    77444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77445 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77446 if v.display: 
    77447 File
    77448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77449 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77450 return self._any_displayed_positions and len(self._positions) > 0 
    77451 TypeError: object of type 'NoneType' has no len() 
    77452  
    77453 During handling of the above exception, another exception occurred: 
    77454  
    77455 Traceback (most recent call last): 
    77456 File
    77457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77458 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77459 if not self.draw_new_frame(): 
    77460 File
    77461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77462 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77463 changed = view.check_for_drawing_change() 
    77464 File
    77465 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77466 packages/chimerax/core/graphics/view.py", line 252, in
    77467 check_for_drawing_change 
    77468 trig.activate_trigger('graphics update', self) 
    77469 File
    77470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77471 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77472 trigger.activate(data) 
    77473 File
    77474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77475 packages/chimerax/core/triggerset.py", line 190, in activate 
    77476 ret = handler.invoke(data, self._remove_bad_handlers) 
    77477 File
    77478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77479 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77480 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77481 File
    77482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77483 packages/chimerax/core/session.py", line 943, in <lambda> 
    77484 logger.report_exception(preface=preface)) 
    77485 File
    77486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77487 packages/chimerax/core/logger.py", line 421, in report_exception 
    77488 elif probably_chimera1_session(exc_info): 
    77489 File
    77490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77491 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77492 etype, evalue, etraceback = exc_info 
    77493 TypeError: cannot unpack non-iterable NoneType object 
    77494  
    77495 TypeError: cannot unpack non-iterable NoneType object 
    77496  
    77497 File
    77498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77499 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77500 etype, evalue, etraceback = exc_info 
    77501  
    77502 See log for complete Python traceback. 
    77503  
    77504 Traceback (most recent call last): 
    77505 File
    77506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77507 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77508 return self._func(self._name, data) 
    77509 File
    77510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77511 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77512 if v.display: 
    77513 File
    77514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77515 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77516 return self._any_displayed_positions and len(self._positions) > 0 
    77517 TypeError: object of type 'NoneType' has no len() 
    77518  
    77519 During handling of the above exception, another exception occurred: 
    77520  
    77521 Traceback (most recent call last): 
    77522 File
    77523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77524 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77525 if not self.draw_new_frame(): 
    77526 File
    77527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77528 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77529 changed = view.check_for_drawing_change() 
    77530 File
    77531 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77532 packages/chimerax/core/graphics/view.py", line 252, in
    77533 check_for_drawing_change 
    77534 trig.activate_trigger('graphics update', self) 
    77535 File
    77536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77537 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77538 trigger.activate(data) 
    77539 File
    77540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77541 packages/chimerax/core/triggerset.py", line 190, in activate 
    77542 ret = handler.invoke(data, self._remove_bad_handlers) 
    77543 File
    77544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77545 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77546 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77547 File
    77548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77549 packages/chimerax/core/session.py", line 943, in <lambda> 
    77550 logger.report_exception(preface=preface)) 
    77551 File
    77552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77553 packages/chimerax/core/logger.py", line 421, in report_exception 
    77554 elif probably_chimera1_session(exc_info): 
    77555 File
    77556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77557 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77558 etype, evalue, etraceback = exc_info 
    77559 TypeError: cannot unpack non-iterable NoneType object 
    77560  
    77561 TypeError: cannot unpack non-iterable NoneType object 
    77562  
    77563 File
    77564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77565 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77566 etype, evalue, etraceback = exc_info 
    77567  
    77568 See log for complete Python traceback. 
    77569  
    77570 Traceback (most recent call last): 
    77571 File
    77572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77573 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77574 return self._func(self._name, data) 
    77575 File
    77576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77577 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77578 if v.display: 
    77579 File
    77580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77581 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77582 return self._any_displayed_positions and len(self._positions) > 0 
    77583 TypeError: object of type 'NoneType' has no len() 
    77584  
    77585 During handling of the above exception, another exception occurred: 
    77586  
    77587 Traceback (most recent call last): 
    77588 File
    77589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77590 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77591 if not self.draw_new_frame(): 
    77592 File
    77593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77594 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77595 changed = view.check_for_drawing_change() 
    77596 File
    77597 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77598 packages/chimerax/core/graphics/view.py", line 252, in
    77599 check_for_drawing_change 
    77600 trig.activate_trigger('graphics update', self) 
    77601 File
    77602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77603 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77604 trigger.activate(data) 
    77605 File
    77606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77607 packages/chimerax/core/triggerset.py", line 190, in activate 
    77608 ret = handler.invoke(data, self._remove_bad_handlers) 
    77609 File
    77610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77611 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77612 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77613 File
    77614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77615 packages/chimerax/core/session.py", line 943, in <lambda> 
    77616 logger.report_exception(preface=preface)) 
    77617 File
    77618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77619 packages/chimerax/core/logger.py", line 421, in report_exception 
    77620 elif probably_chimera1_session(exc_info): 
    77621 File
    77622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77623 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77624 etype, evalue, etraceback = exc_info 
    77625 TypeError: cannot unpack non-iterable NoneType object 
    77626  
    77627 TypeError: cannot unpack non-iterable NoneType object 
    77628  
    77629 File
    77630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77631 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77632 etype, evalue, etraceback = exc_info 
    77633  
    77634 See log for complete Python traceback. 
    77635  
    77636 Traceback (most recent call last): 
    77637 File
    77638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77639 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77640 return self._func(self._name, data) 
    77641 File
    77642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77643 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77644 if v.display: 
    77645 File
    77646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77647 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77648 return self._any_displayed_positions and len(self._positions) > 0 
    77649 TypeError: object of type 'NoneType' has no len() 
    77650  
    77651 During handling of the above exception, another exception occurred: 
    77652  
    77653 Traceback (most recent call last): 
    77654 File
    77655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77656 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77657 if not self.draw_new_frame(): 
    77658 File
    77659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77660 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77661 changed = view.check_for_drawing_change() 
    77662 File
    77663 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77664 packages/chimerax/core/graphics/view.py", line 252, in
    77665 check_for_drawing_change 
    77666 trig.activate_trigger('graphics update', self) 
    77667 File
    77668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77669 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77670 trigger.activate(data) 
    77671 File
    77672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77673 packages/chimerax/core/triggerset.py", line 190, in activate 
    77674 ret = handler.invoke(data, self._remove_bad_handlers) 
    77675 File
    77676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77677 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77678 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77679 File
    77680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77681 packages/chimerax/core/session.py", line 943, in <lambda> 
    77682 logger.report_exception(preface=preface)) 
    77683 File
    77684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77685 packages/chimerax/core/logger.py", line 421, in report_exception 
    77686 elif probably_chimera1_session(exc_info): 
    77687 File
    77688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77689 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77690 etype, evalue, etraceback = exc_info 
    77691 TypeError: cannot unpack non-iterable NoneType object 
    77692  
    77693 TypeError: cannot unpack non-iterable NoneType object 
    77694  
    77695 File
    77696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77697 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77698 etype, evalue, etraceback = exc_info 
    77699  
    77700 See log for complete Python traceback. 
    77701  
    77702 Traceback (most recent call last): 
    77703 File
    77704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77705 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77706 return self._func(self._name, data) 
    77707 File
    77708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77709 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77710 if v.display: 
    77711 File
    77712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77713 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77714 return self._any_displayed_positions and len(self._positions) > 0 
    77715 TypeError: object of type 'NoneType' has no len() 
    77716  
    77717 During handling of the above exception, another exception occurred: 
    77718  
    77719 Traceback (most recent call last): 
    77720 File
    77721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77722 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77723 if not self.draw_new_frame(): 
    77724 File
    77725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77726 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77727 changed = view.check_for_drawing_change() 
    77728 File
    77729 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77730 packages/chimerax/core/graphics/view.py", line 252, in
    77731 check_for_drawing_change 
    77732 trig.activate_trigger('graphics update', self) 
    77733 File
    77734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77735 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77736 trigger.activate(data) 
    77737 File
    77738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77739 packages/chimerax/core/triggerset.py", line 190, in activate 
    77740 ret = handler.invoke(data, self._remove_bad_handlers) 
    77741 File
    77742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77743 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77744 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77745 File
    77746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77747 packages/chimerax/core/session.py", line 943, in <lambda> 
    77748 logger.report_exception(preface=preface)) 
    77749 File
    77750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77751 packages/chimerax/core/logger.py", line 421, in report_exception 
    77752 elif probably_chimera1_session(exc_info): 
    77753 File
    77754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77755 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77756 etype, evalue, etraceback = exc_info 
    77757 TypeError: cannot unpack non-iterable NoneType object 
    77758  
    77759 TypeError: cannot unpack non-iterable NoneType object 
    77760  
    77761 File
    77762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77763 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77764 etype, evalue, etraceback = exc_info 
    77765  
    77766 See log for complete Python traceback. 
    77767  
    77768 Traceback (most recent call last): 
    77769 File
    77770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77771 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77772 return self._func(self._name, data) 
    77773 File
    77774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77775 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77776 if v.display: 
    77777 File
    77778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77779 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77780 return self._any_displayed_positions and len(self._positions) > 0 
    77781 TypeError: object of type 'NoneType' has no len() 
    77782  
    77783 During handling of the above exception, another exception occurred: 
    77784  
    77785 Traceback (most recent call last): 
    77786 File
    77787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77788 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77789 if not self.draw_new_frame(): 
    77790 File
    77791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77792 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77793 changed = view.check_for_drawing_change() 
    77794 File
    77795 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77796 packages/chimerax/core/graphics/view.py", line 252, in
    77797 check_for_drawing_change 
    77798 trig.activate_trigger('graphics update', self) 
    77799 File
    77800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77801 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77802 trigger.activate(data) 
    77803 File
    77804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77805 packages/chimerax/core/triggerset.py", line 190, in activate 
    77806 ret = handler.invoke(data, self._remove_bad_handlers) 
    77807 File
    77808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77809 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77810 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77811 File
    77812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77813 packages/chimerax/core/session.py", line 943, in <lambda> 
    77814 logger.report_exception(preface=preface)) 
    77815 File
    77816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77817 packages/chimerax/core/logger.py", line 421, in report_exception 
    77818 elif probably_chimera1_session(exc_info): 
    77819 File
    77820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77821 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77822 etype, evalue, etraceback = exc_info 
    77823 TypeError: cannot unpack non-iterable NoneType object 
    77824  
    77825 TypeError: cannot unpack non-iterable NoneType object 
    77826  
    77827 File
    77828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77829 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77830 etype, evalue, etraceback = exc_info 
    77831  
    77832 See log for complete Python traceback. 
    77833  
    77834 Traceback (most recent call last): 
    77835 File
    77836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77837 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77838 return self._func(self._name, data) 
    77839 File
    77840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77841 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77842 if v.display: 
    77843 File
    77844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77845 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77846 return self._any_displayed_positions and len(self._positions) > 0 
    77847 TypeError: object of type 'NoneType' has no len() 
    77848  
    77849 During handling of the above exception, another exception occurred: 
    77850  
    77851 Traceback (most recent call last): 
    77852 File
    77853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77854 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77855 if not self.draw_new_frame(): 
    77856 File
    77857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77858 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77859 changed = view.check_for_drawing_change() 
    77860 File
    77861 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77862 packages/chimerax/core/graphics/view.py", line 252, in
    77863 check_for_drawing_change 
    77864 trig.activate_trigger('graphics update', self) 
    77865 File
    77866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77867 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77868 trigger.activate(data) 
    77869 File
    77870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77871 packages/chimerax/core/triggerset.py", line 190, in activate 
    77872 ret = handler.invoke(data, self._remove_bad_handlers) 
    77873 File
    77874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77875 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77876 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77877 File
    77878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77879 packages/chimerax/core/session.py", line 943, in <lambda> 
    77880 logger.report_exception(preface=preface)) 
    77881 File
    77882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77883 packages/chimerax/core/logger.py", line 421, in report_exception 
    77884 elif probably_chimera1_session(exc_info): 
    77885 File
    77886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77887 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77888 etype, evalue, etraceback = exc_info 
    77889 TypeError: cannot unpack non-iterable NoneType object 
    77890  
    77891 TypeError: cannot unpack non-iterable NoneType object 
    77892  
    77893 File
    77894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77895 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77896 etype, evalue, etraceback = exc_info 
    77897  
    77898 See log for complete Python traceback. 
    77899  
    77900 Traceback (most recent call last): 
    77901 File
    77902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77903 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77904 return self._func(self._name, data) 
    77905 File
    77906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77907 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77908 if v.display: 
    77909 File
    77910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77911 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77912 return self._any_displayed_positions and len(self._positions) > 0 
    77913 TypeError: object of type 'NoneType' has no len() 
    77914  
    77915 During handling of the above exception, another exception occurred: 
    77916  
    77917 Traceback (most recent call last): 
    77918 File
    77919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77920 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77921 if not self.draw_new_frame(): 
    77922 File
    77923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77924 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77925 changed = view.check_for_drawing_change() 
    77926 File
    77927 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77928 packages/chimerax/core/graphics/view.py", line 252, in
    77929 check_for_drawing_change 
    77930 trig.activate_trigger('graphics update', self) 
    77931 File
    77932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77933 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    77934 trigger.activate(data) 
    77935 File
    77936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77937 packages/chimerax/core/triggerset.py", line 190, in activate 
    77938 ret = handler.invoke(data, self._remove_bad_handlers) 
    77939 File
    77940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77941 packages/chimerax/core/triggerset.py", line 132, in invoke 
    77942 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    77943 File
    77944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77945 packages/chimerax/core/session.py", line 943, in <lambda> 
    77946 logger.report_exception(preface=preface)) 
    77947 File
    77948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77949 packages/chimerax/core/logger.py", line 421, in report_exception 
    77950 elif probably_chimera1_session(exc_info): 
    77951 File
    77952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77953 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77954 etype, evalue, etraceback = exc_info 
    77955 TypeError: cannot unpack non-iterable NoneType object 
    77956  
    77957 TypeError: cannot unpack non-iterable NoneType object 
    77958  
    77959 File
    77960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77961 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    77962 etype, evalue, etraceback = exc_info 
    77963  
    77964 See log for complete Python traceback. 
    77965  
    77966 Traceback (most recent call last): 
    77967 File
    77968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77969 packages/chimerax/core/triggerset.py", line 130, in invoke 
    77970 return self._func(self._name, data) 
    77971 File
    77972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77973 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    77974 if v.display: 
    77975 File
    77976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77977 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    77978 return self._any_displayed_positions and len(self._positions) > 0 
    77979 TypeError: object of type 'NoneType' has no len() 
    77980  
    77981 During handling of the above exception, another exception occurred: 
    77982  
    77983 Traceback (most recent call last): 
    77984 File
    77985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77986 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    77987 if not self.draw_new_frame(): 
    77988 File
    77989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77990 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    77991 changed = view.check_for_drawing_change() 
    77992 File
    77993 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77994 packages/chimerax/core/graphics/view.py", line 252, in
    77995 check_for_drawing_change 
    77996 trig.activate_trigger('graphics update', self) 
    77997 File
    77998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    77999 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78000 trigger.activate(data) 
    78001 File
    78002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78003 packages/chimerax/core/triggerset.py", line 190, in activate 
    78004 ret = handler.invoke(data, self._remove_bad_handlers) 
    78005 File
    78006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78007 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78008 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78009 File
    78010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78011 packages/chimerax/core/session.py", line 943, in <lambda> 
    78012 logger.report_exception(preface=preface)) 
    78013 File
    78014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78015 packages/chimerax/core/logger.py", line 421, in report_exception 
    78016 elif probably_chimera1_session(exc_info): 
    78017 File
    78018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78019 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78020 etype, evalue, etraceback = exc_info 
    78021 TypeError: cannot unpack non-iterable NoneType object 
    78022  
    78023 TypeError: cannot unpack non-iterable NoneType object 
    78024  
    78025 File
    78026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78027 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78028 etype, evalue, etraceback = exc_info 
    78029  
    78030 See log for complete Python traceback. 
    78031  
    78032 Traceback (most recent call last): 
    78033 File
    78034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78035 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78036 return self._func(self._name, data) 
    78037 File
    78038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78039 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78040 if v.display: 
    78041 File
    78042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78043 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78044 return self._any_displayed_positions and len(self._positions) > 0 
    78045 TypeError: object of type 'NoneType' has no len() 
    78046  
    78047 During handling of the above exception, another exception occurred: 
    78048  
    78049 Traceback (most recent call last): 
    78050 File
    78051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78052 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78053 if not self.draw_new_frame(): 
    78054 File
    78055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78056 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78057 changed = view.check_for_drawing_change() 
    78058 File
    78059 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78060 packages/chimerax/core/graphics/view.py", line 252, in
    78061 check_for_drawing_change 
    78062 trig.activate_trigger('graphics update', self) 
    78063 File
    78064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78065 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78066 trigger.activate(data) 
    78067 File
    78068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78069 packages/chimerax/core/triggerset.py", line 190, in activate 
    78070 ret = handler.invoke(data, self._remove_bad_handlers) 
    78071 File
    78072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78073 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78074 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78075 File
    78076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78077 packages/chimerax/core/session.py", line 943, in <lambda> 
    78078 logger.report_exception(preface=preface)) 
    78079 File
    78080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78081 packages/chimerax/core/logger.py", line 421, in report_exception 
    78082 elif probably_chimera1_session(exc_info): 
    78083 File
    78084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78085 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78086 etype, evalue, etraceback = exc_info 
    78087 TypeError: cannot unpack non-iterable NoneType object 
    78088  
    78089 TypeError: cannot unpack non-iterable NoneType object 
    78090  
    78091 File
    78092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78093 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78094 etype, evalue, etraceback = exc_info 
    78095  
    78096 See log for complete Python traceback. 
    78097  
    78098 Traceback (most recent call last): 
    78099 File
    78100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78101 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78102 return self._func(self._name, data) 
    78103 File
    78104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78105 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78106 if v.display: 
    78107 File
    78108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78109 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78110 return self._any_displayed_positions and len(self._positions) > 0 
    78111 TypeError: object of type 'NoneType' has no len() 
    78112  
    78113 During handling of the above exception, another exception occurred: 
    78114  
    78115 Traceback (most recent call last): 
    78116 File
    78117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78118 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78119 if not self.draw_new_frame(): 
    78120 File
    78121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78122 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78123 changed = view.check_for_drawing_change() 
    78124 File
    78125 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78126 packages/chimerax/core/graphics/view.py", line 252, in
    78127 check_for_drawing_change 
    78128 trig.activate_trigger('graphics update', self) 
    78129 File
    78130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78131 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78132 trigger.activate(data) 
    78133 File
    78134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78135 packages/chimerax/core/triggerset.py", line 190, in activate 
    78136 ret = handler.invoke(data, self._remove_bad_handlers) 
    78137 File
    78138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78139 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78140 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78141 File
    78142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78143 packages/chimerax/core/session.py", line 943, in <lambda> 
    78144 logger.report_exception(preface=preface)) 
    78145 File
    78146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78147 packages/chimerax/core/logger.py", line 421, in report_exception 
    78148 elif probably_chimera1_session(exc_info): 
    78149 File
    78150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78151 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78152 etype, evalue, etraceback = exc_info 
    78153 TypeError: cannot unpack non-iterable NoneType object 
    78154  
    78155 TypeError: cannot unpack non-iterable NoneType object 
    78156  
    78157 File
    78158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78159 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78160 etype, evalue, etraceback = exc_info 
    78161  
    78162 See log for complete Python traceback. 
    78163  
    78164 Traceback (most recent call last): 
    78165 File
    78166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78167 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78168 return self._func(self._name, data) 
    78169 File
    78170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78171 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78172 if v.display: 
    78173 File
    78174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78175 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78176 return self._any_displayed_positions and len(self._positions) > 0 
    78177 TypeError: object of type 'NoneType' has no len() 
    78178  
    78179 During handling of the above exception, another exception occurred: 
    78180  
    78181 Traceback (most recent call last): 
    78182 File
    78183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78184 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78185 if not self.draw_new_frame(): 
    78186 File
    78187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78188 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78189 changed = view.check_for_drawing_change() 
    78190 File
    78191 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78192 packages/chimerax/core/graphics/view.py", line 252, in
    78193 check_for_drawing_change 
    78194 trig.activate_trigger('graphics update', self) 
    78195 File
    78196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78197 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78198 trigger.activate(data) 
    78199 File
    78200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78201 packages/chimerax/core/triggerset.py", line 190, in activate 
    78202 ret = handler.invoke(data, self._remove_bad_handlers) 
    78203 File
    78204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78205 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78206 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78207 File
    78208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78209 packages/chimerax/core/session.py", line 943, in <lambda> 
    78210 logger.report_exception(preface=preface)) 
    78211 File
    78212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78213 packages/chimerax/core/logger.py", line 421, in report_exception 
    78214 elif probably_chimera1_session(exc_info): 
    78215 File
    78216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78217 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78218 etype, evalue, etraceback = exc_info 
    78219 TypeError: cannot unpack non-iterable NoneType object 
    78220  
    78221 TypeError: cannot unpack non-iterable NoneType object 
    78222  
    78223 File
    78224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78225 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78226 etype, evalue, etraceback = exc_info 
    78227  
    78228 See log for complete Python traceback. 
    78229  
    78230 Traceback (most recent call last): 
    78231 File
    78232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78233 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78234 return self._func(self._name, data) 
    78235 File
    78236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78237 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78238 if v.display: 
    78239 File
    78240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78241 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78242 return self._any_displayed_positions and len(self._positions) > 0 
    78243 TypeError: object of type 'NoneType' has no len() 
    78244  
    78245 During handling of the above exception, another exception occurred: 
    78246  
    78247 Traceback (most recent call last): 
    78248 File
    78249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78250 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78251 if not self.draw_new_frame(): 
    78252 File
    78253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78254 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78255 changed = view.check_for_drawing_change() 
    78256 File
    78257 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78258 packages/chimerax/core/graphics/view.py", line 252, in
    78259 check_for_drawing_change 
    78260 trig.activate_trigger('graphics update', self) 
    78261 File
    78262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78263 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78264 trigger.activate(data) 
    78265 File
    78266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78267 packages/chimerax/core/triggerset.py", line 190, in activate 
    78268 ret = handler.invoke(data, self._remove_bad_handlers) 
    78269 File
    78270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78271 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78272 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78273 File
    78274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78275 packages/chimerax/core/session.py", line 943, in <lambda> 
    78276 logger.report_exception(preface=preface)) 
    78277 File
    78278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78279 packages/chimerax/core/logger.py", line 421, in report_exception 
    78280 elif probably_chimera1_session(exc_info): 
    78281 File
    78282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78283 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78284 etype, evalue, etraceback = exc_info 
    78285 TypeError: cannot unpack non-iterable NoneType object 
    78286  
    78287 TypeError: cannot unpack non-iterable NoneType object 
    78288  
    78289 File
    78290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78291 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78292 etype, evalue, etraceback = exc_info 
    78293  
    78294 See log for complete Python traceback. 
    78295  
    78296 Traceback (most recent call last): 
    78297 File
    78298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78299 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78300 return self._func(self._name, data) 
    78301 File
    78302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78303 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78304 if v.display: 
    78305 File
    78306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78307 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78308 return self._any_displayed_positions and len(self._positions) > 0 
    78309 TypeError: object of type 'NoneType' has no len() 
    78310  
    78311 During handling of the above exception, another exception occurred: 
    78312  
    78313 Traceback (most recent call last): 
    78314 File
    78315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78316 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78317 if not self.draw_new_frame(): 
    78318 File
    78319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78320 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78321 changed = view.check_for_drawing_change() 
    78322 File
    78323 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78324 packages/chimerax/core/graphics/view.py", line 252, in
    78325 check_for_drawing_change 
    78326 trig.activate_trigger('graphics update', self) 
    78327 File
    78328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78329 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78330 trigger.activate(data) 
    78331 File
    78332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78333 packages/chimerax/core/triggerset.py", line 190, in activate 
    78334 ret = handler.invoke(data, self._remove_bad_handlers) 
    78335 File
    78336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78337 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78338 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78339 File
    78340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78341 packages/chimerax/core/session.py", line 943, in <lambda> 
    78342 logger.report_exception(preface=preface)) 
    78343 File
    78344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78345 packages/chimerax/core/logger.py", line 421, in report_exception 
    78346 elif probably_chimera1_session(exc_info): 
    78347 File
    78348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78349 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78350 etype, evalue, etraceback = exc_info 
    78351 TypeError: cannot unpack non-iterable NoneType object 
    78352  
    78353 TypeError: cannot unpack non-iterable NoneType object 
    78354  
    78355 File
    78356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78357 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78358 etype, evalue, etraceback = exc_info 
    78359  
    78360 See log for complete Python traceback. 
    78361  
    78362 Traceback (most recent call last): 
    78363 File
    78364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78365 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78366 return self._func(self._name, data) 
    78367 File
    78368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78369 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78370 if v.display: 
    78371 File
    78372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78373 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78374 return self._any_displayed_positions and len(self._positions) > 0 
    78375 TypeError: object of type 'NoneType' has no len() 
    78376  
    78377 During handling of the above exception, another exception occurred: 
    78378  
    78379 Traceback (most recent call last): 
    78380 File
    78381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78382 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78383 if not self.draw_new_frame(): 
    78384 File
    78385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78386 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78387 changed = view.check_for_drawing_change() 
    78388 File
    78389 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78390 packages/chimerax/core/graphics/view.py", line 252, in
    78391 check_for_drawing_change 
    78392 trig.activate_trigger('graphics update', self) 
    78393 File
    78394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78395 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78396 trigger.activate(data) 
    78397 File
    78398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78399 packages/chimerax/core/triggerset.py", line 190, in activate 
    78400 ret = handler.invoke(data, self._remove_bad_handlers) 
    78401 File
    78402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78403 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78404 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78405 File
    78406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78407 packages/chimerax/core/session.py", line 943, in <lambda> 
    78408 logger.report_exception(preface=preface)) 
    78409 File
    78410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78411 packages/chimerax/core/logger.py", line 421, in report_exception 
    78412 elif probably_chimera1_session(exc_info): 
    78413 File
    78414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78415 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78416 etype, evalue, etraceback = exc_info 
    78417 TypeError: cannot unpack non-iterable NoneType object 
    78418  
    78419 TypeError: cannot unpack non-iterable NoneType object 
    78420  
    78421 File
    78422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78423 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78424 etype, evalue, etraceback = exc_info 
    78425  
    78426 See log for complete Python traceback. 
    78427  
    78428 Traceback (most recent call last): 
    78429 File
    78430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78431 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78432 return self._func(self._name, data) 
    78433 File
    78434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78435 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78436 if v.display: 
    78437 File
    78438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78439 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78440 return self._any_displayed_positions and len(self._positions) > 0 
    78441 TypeError: object of type 'NoneType' has no len() 
    78442  
    78443 During handling of the above exception, another exception occurred: 
    78444  
    78445 Traceback (most recent call last): 
    78446 File
    78447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78448 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78449 if not self.draw_new_frame(): 
    78450 File
    78451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78452 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78453 changed = view.check_for_drawing_change() 
    78454 File
    78455 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78456 packages/chimerax/core/graphics/view.py", line 252, in
    78457 check_for_drawing_change 
    78458 trig.activate_trigger('graphics update', self) 
    78459 File
    78460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78461 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78462 trigger.activate(data) 
    78463 File
    78464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78465 packages/chimerax/core/triggerset.py", line 190, in activate 
    78466 ret = handler.invoke(data, self._remove_bad_handlers) 
    78467 File
    78468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78469 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78470 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78471 File
    78472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78473 packages/chimerax/core/session.py", line 943, in <lambda> 
    78474 logger.report_exception(preface=preface)) 
    78475 File
    78476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78477 packages/chimerax/core/logger.py", line 421, in report_exception 
    78478 elif probably_chimera1_session(exc_info): 
    78479 File
    78480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78481 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78482 etype, evalue, etraceback = exc_info 
    78483 TypeError: cannot unpack non-iterable NoneType object 
    78484  
    78485 TypeError: cannot unpack non-iterable NoneType object 
    78486  
    78487 File
    78488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78489 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78490 etype, evalue, etraceback = exc_info 
    78491  
    78492 See log for complete Python traceback. 
    78493  
    78494 Traceback (most recent call last): 
    78495 File
    78496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78497 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78498 return self._func(self._name, data) 
    78499 File
    78500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78501 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78502 if v.display: 
    78503 File
    78504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78505 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78506 return self._any_displayed_positions and len(self._positions) > 0 
    78507 TypeError: object of type 'NoneType' has no len() 
    78508  
    78509 During handling of the above exception, another exception occurred: 
    78510  
    78511 Traceback (most recent call last): 
    78512 File
    78513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78514 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78515 if not self.draw_new_frame(): 
    78516 File
    78517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78518 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78519 changed = view.check_for_drawing_change() 
    78520 File
    78521 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78522 packages/chimerax/core/graphics/view.py", line 252, in
    78523 check_for_drawing_change 
    78524 trig.activate_trigger('graphics update', self) 
    78525 File
    78526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78527 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78528 trigger.activate(data) 
    78529 File
    78530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78531 packages/chimerax/core/triggerset.py", line 190, in activate 
    78532 ret = handler.invoke(data, self._remove_bad_handlers) 
    78533 File
    78534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78535 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78536 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78537 File
    78538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78539 packages/chimerax/core/session.py", line 943, in <lambda> 
    78540 logger.report_exception(preface=preface)) 
    78541 File
    78542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78543 packages/chimerax/core/logger.py", line 421, in report_exception 
    78544 elif probably_chimera1_session(exc_info): 
    78545 File
    78546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78547 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78548 etype, evalue, etraceback = exc_info 
    78549 TypeError: cannot unpack non-iterable NoneType object 
    78550  
    78551 TypeError: cannot unpack non-iterable NoneType object 
    78552  
    78553 File
    78554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78555 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78556 etype, evalue, etraceback = exc_info 
    78557  
    78558 See log for complete Python traceback. 
    78559  
    78560 Traceback (most recent call last): 
    78561 File
    78562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78563 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78564 return self._func(self._name, data) 
    78565 File
    78566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78567 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78568 if v.display: 
    78569 File
    78570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78571 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78572 return self._any_displayed_positions and len(self._positions) > 0 
    78573 TypeError: object of type 'NoneType' has no len() 
    78574  
    78575 During handling of the above exception, another exception occurred: 
    78576  
    78577 Traceback (most recent call last): 
    78578 File
    78579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78580 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78581 if not self.draw_new_frame(): 
    78582 File
    78583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78584 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78585 changed = view.check_for_drawing_change() 
    78586 File
    78587 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78588 packages/chimerax/core/graphics/view.py", line 252, in
    78589 check_for_drawing_change 
    78590 trig.activate_trigger('graphics update', self) 
    78591 File
    78592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78593 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78594 trigger.activate(data) 
    78595 File
    78596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78597 packages/chimerax/core/triggerset.py", line 190, in activate 
    78598 ret = handler.invoke(data, self._remove_bad_handlers) 
    78599 File
    78600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78601 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78602 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78603 File
    78604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78605 packages/chimerax/core/session.py", line 943, in <lambda> 
    78606 logger.report_exception(preface=preface)) 
    78607 File
    78608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78609 packages/chimerax/core/logger.py", line 421, in report_exception 
    78610 elif probably_chimera1_session(exc_info): 
    78611 File
    78612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78613 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78614 etype, evalue, etraceback = exc_info 
    78615 TypeError: cannot unpack non-iterable NoneType object 
    78616  
    78617 TypeError: cannot unpack non-iterable NoneType object 
    78618  
    78619 File
    78620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78621 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78622 etype, evalue, etraceback = exc_info 
    78623  
    78624 See log for complete Python traceback. 
    78625  
    78626 Traceback (most recent call last): 
    78627 File
    78628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78629 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78630 return self._func(self._name, data) 
    78631 File
    78632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78633 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78634 if v.display: 
    78635 File
    78636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78637 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78638 return self._any_displayed_positions and len(self._positions) > 0 
    78639 TypeError: object of type 'NoneType' has no len() 
    78640  
    78641 During handling of the above exception, another exception occurred: 
    78642  
    78643 Traceback (most recent call last): 
    78644 File
    78645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78646 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78647 if not self.draw_new_frame(): 
    78648 File
    78649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78650 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78651 changed = view.check_for_drawing_change() 
    78652 File
    78653 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78654 packages/chimerax/core/graphics/view.py", line 252, in
    78655 check_for_drawing_change 
    78656 trig.activate_trigger('graphics update', self) 
    78657 File
    78658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78659 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78660 trigger.activate(data) 
    78661 File
    78662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78663 packages/chimerax/core/triggerset.py", line 190, in activate 
    78664 ret = handler.invoke(data, self._remove_bad_handlers) 
    78665 File
    78666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78667 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78668 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78669 File
    78670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78671 packages/chimerax/core/session.py", line 943, in <lambda> 
    78672 logger.report_exception(preface=preface)) 
    78673 File
    78674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78675 packages/chimerax/core/logger.py", line 421, in report_exception 
    78676 elif probably_chimera1_session(exc_info): 
    78677 File
    78678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78679 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78680 etype, evalue, etraceback = exc_info 
    78681 TypeError: cannot unpack non-iterable NoneType object 
    78682  
    78683 TypeError: cannot unpack non-iterable NoneType object 
    78684  
    78685 File
    78686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78687 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78688 etype, evalue, etraceback = exc_info 
    78689  
    78690 See log for complete Python traceback. 
    78691  
    78692 Traceback (most recent call last): 
    78693 File
    78694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78695 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78696 return self._func(self._name, data) 
    78697 File
    78698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78699 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78700 if v.display: 
    78701 File
    78702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78703 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78704 return self._any_displayed_positions and len(self._positions) > 0 
    78705 TypeError: object of type 'NoneType' has no len() 
    78706  
    78707 During handling of the above exception, another exception occurred: 
    78708  
    78709 Traceback (most recent call last): 
    78710 File
    78711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78712 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78713 if not self.draw_new_frame(): 
    78714 File
    78715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78716 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78717 changed = view.check_for_drawing_change() 
    78718 File
    78719 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78720 packages/chimerax/core/graphics/view.py", line 252, in
    78721 check_for_drawing_change 
    78722 trig.activate_trigger('graphics update', self) 
    78723 File
    78724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78725 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78726 trigger.activate(data) 
    78727 File
    78728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78729 packages/chimerax/core/triggerset.py", line 190, in activate 
    78730 ret = handler.invoke(data, self._remove_bad_handlers) 
    78731 File
    78732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78733 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78734 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78735 File
    78736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78737 packages/chimerax/core/session.py", line 943, in <lambda> 
    78738 logger.report_exception(preface=preface)) 
    78739 File
    78740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78741 packages/chimerax/core/logger.py", line 421, in report_exception 
    78742 elif probably_chimera1_session(exc_info): 
    78743 File
    78744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78745 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78746 etype, evalue, etraceback = exc_info 
    78747 TypeError: cannot unpack non-iterable NoneType object 
    78748  
    78749 TypeError: cannot unpack non-iterable NoneType object 
    78750  
    78751 File
    78752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78753 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78754 etype, evalue, etraceback = exc_info 
    78755  
    78756 See log for complete Python traceback. 
    78757  
    78758 Traceback (most recent call last): 
    78759 File
    78760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78761 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78762 return self._func(self._name, data) 
    78763 File
    78764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78765 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78766 if v.display: 
    78767 File
    78768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78769 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78770 return self._any_displayed_positions and len(self._positions) > 0 
    78771 TypeError: object of type 'NoneType' has no len() 
    78772  
    78773 During handling of the above exception, another exception occurred: 
    78774  
    78775 Traceback (most recent call last): 
    78776 File
    78777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78778 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78779 if not self.draw_new_frame(): 
    78780 File
    78781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78782 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78783 changed = view.check_for_drawing_change() 
    78784 File
    78785 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78786 packages/chimerax/core/graphics/view.py", line 252, in
    78787 check_for_drawing_change 
    78788 trig.activate_trigger('graphics update', self) 
    78789 File
    78790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78791 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78792 trigger.activate(data) 
    78793 File
    78794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78795 packages/chimerax/core/triggerset.py", line 190, in activate 
    78796 ret = handler.invoke(data, self._remove_bad_handlers) 
    78797 File
    78798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78799 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78800 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78801 File
    78802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78803 packages/chimerax/core/session.py", line 943, in <lambda> 
    78804 logger.report_exception(preface=preface)) 
    78805 File
    78806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78807 packages/chimerax/core/logger.py", line 421, in report_exception 
    78808 elif probably_chimera1_session(exc_info): 
    78809 File
    78810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78811 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78812 etype, evalue, etraceback = exc_info 
    78813 TypeError: cannot unpack non-iterable NoneType object 
    78814  
    78815 TypeError: cannot unpack non-iterable NoneType object 
    78816  
    78817 File
    78818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78819 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78820 etype, evalue, etraceback = exc_info 
    78821  
    78822 See log for complete Python traceback. 
    78823  
    78824 Traceback (most recent call last): 
    78825 File
    78826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78827 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78828 return self._func(self._name, data) 
    78829 File
    78830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78831 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78832 if v.display: 
    78833 File
    78834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78835 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78836 return self._any_displayed_positions and len(self._positions) > 0 
    78837 TypeError: object of type 'NoneType' has no len() 
    78838  
    78839 During handling of the above exception, another exception occurred: 
    78840  
    78841 Traceback (most recent call last): 
    78842 File
    78843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78844 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78845 if not self.draw_new_frame(): 
    78846 File
    78847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78848 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78849 changed = view.check_for_drawing_change() 
    78850 File
    78851 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78852 packages/chimerax/core/graphics/view.py", line 252, in
    78853 check_for_drawing_change 
    78854 trig.activate_trigger('graphics update', self) 
    78855 File
    78856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78857 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78858 trigger.activate(data) 
    78859 File
    78860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78861 packages/chimerax/core/triggerset.py", line 190, in activate 
    78862 ret = handler.invoke(data, self._remove_bad_handlers) 
    78863 File
    78864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78865 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78866 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78867 File
    78868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78869 packages/chimerax/core/session.py", line 943, in <lambda> 
    78870 logger.report_exception(preface=preface)) 
    78871 File
    78872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78873 packages/chimerax/core/logger.py", line 421, in report_exception 
    78874 elif probably_chimera1_session(exc_info): 
    78875 File
    78876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78877 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78878 etype, evalue, etraceback = exc_info 
    78879 TypeError: cannot unpack non-iterable NoneType object 
    78880  
    78881 TypeError: cannot unpack non-iterable NoneType object 
    78882  
    78883 File
    78884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78885 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78886 etype, evalue, etraceback = exc_info 
    78887  
    78888 See log for complete Python traceback. 
    78889  
    78890 Traceback (most recent call last): 
    78891 File
    78892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78894 return self._func(self._name, data) 
    78895 File
    78896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78897 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78898 if v.display: 
    78899 File
    78900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78901 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78902 return self._any_displayed_positions and len(self._positions) > 0 
    78903 TypeError: object of type 'NoneType' has no len() 
    78904  
    78905 During handling of the above exception, another exception occurred: 
    78906  
    78907 Traceback (most recent call last): 
    78908 File
    78909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78910 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78911 if not self.draw_new_frame(): 
    78912 File
    78913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78914 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78915 changed = view.check_for_drawing_change() 
    78916 File
    78917 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78918 packages/chimerax/core/graphics/view.py", line 252, in
    78919 check_for_drawing_change 
    78920 trig.activate_trigger('graphics update', self) 
    78921 File
    78922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78923 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78924 trigger.activate(data) 
    78925 File
    78926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78927 packages/chimerax/core/triggerset.py", line 190, in activate 
    78928 ret = handler.invoke(data, self._remove_bad_handlers) 
    78929 File
    78930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78931 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78932 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78933 File
    78934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78935 packages/chimerax/core/session.py", line 943, in <lambda> 
    78936 logger.report_exception(preface=preface)) 
    78937 File
    78938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78939 packages/chimerax/core/logger.py", line 421, in report_exception 
    78940 elif probably_chimera1_session(exc_info): 
    78941 File
    78942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78943 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78944 etype, evalue, etraceback = exc_info 
    78945 TypeError: cannot unpack non-iterable NoneType object 
    78946  
    78947 TypeError: cannot unpack non-iterable NoneType object 
    78948  
    78949 File
    78950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78951 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    78952 etype, evalue, etraceback = exc_info 
    78953  
    78954 See log for complete Python traceback. 
    78955  
    78956 Traceback (most recent call last): 
    78957 File
    78958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78959 packages/chimerax/core/triggerset.py", line 130, in invoke 
    78960 return self._func(self._name, data) 
    78961 File
    78962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78963 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    78964 if v.display: 
    78965 File
    78966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78967 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    78968 return self._any_displayed_positions and len(self._positions) > 0 
    78969 TypeError: object of type 'NoneType' has no len() 
    78970  
    78971 During handling of the above exception, another exception occurred: 
    78972  
    78973 Traceback (most recent call last): 
    78974 File
    78975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78976 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    78977 if not self.draw_new_frame(): 
    78978 File
    78979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78980 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    78981 changed = view.check_for_drawing_change() 
    78982 File
    78983 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78984 packages/chimerax/core/graphics/view.py", line 252, in
    78985 check_for_drawing_change 
    78986 trig.activate_trigger('graphics update', self) 
    78987 File
    78988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78989 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    78990 trigger.activate(data) 
    78991 File
    78992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78993 packages/chimerax/core/triggerset.py", line 190, in activate 
    78994 ret = handler.invoke(data, self._remove_bad_handlers) 
    78995 File
    78996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    78997 packages/chimerax/core/triggerset.py", line 132, in invoke 
    78998 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    78999 File
    79000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79001 packages/chimerax/core/session.py", line 943, in <lambda> 
    79002 logger.report_exception(preface=preface)) 
    79003 File
    79004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79005 packages/chimerax/core/logger.py", line 421, in report_exception 
    79006 elif probably_chimera1_session(exc_info): 
    79007 File
    79008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79009 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79010 etype, evalue, etraceback = exc_info 
    79011 TypeError: cannot unpack non-iterable NoneType object 
    79012  
    79013 TypeError: cannot unpack non-iterable NoneType object 
    79014  
    79015 File
    79016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79017 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79018 etype, evalue, etraceback = exc_info 
    79019  
    79020 See log for complete Python traceback. 
    79021  
    79022 Traceback (most recent call last): 
    79023 File
    79024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79025 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79026 return self._func(self._name, data) 
    79027 File
    79028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79029 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79030 if v.display: 
    79031 File
    79032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79033 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79034 return self._any_displayed_positions and len(self._positions) > 0 
    79035 TypeError: object of type 'NoneType' has no len() 
    79036  
    79037 During handling of the above exception, another exception occurred: 
    79038  
    79039 Traceback (most recent call last): 
    79040 File
    79041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79042 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79043 if not self.draw_new_frame(): 
    79044 File
    79045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79046 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79047 changed = view.check_for_drawing_change() 
    79048 File
    79049 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79050 packages/chimerax/core/graphics/view.py", line 252, in
    79051 check_for_drawing_change 
    79052 trig.activate_trigger('graphics update', self) 
    79053 File
    79054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79055 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79056 trigger.activate(data) 
    79057 File
    79058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79059 packages/chimerax/core/triggerset.py", line 190, in activate 
    79060 ret = handler.invoke(data, self._remove_bad_handlers) 
    79061 File
    79062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79063 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79064 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79065 File
    79066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79067 packages/chimerax/core/session.py", line 943, in <lambda> 
    79068 logger.report_exception(preface=preface)) 
    79069 File
    79070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79071 packages/chimerax/core/logger.py", line 421, in report_exception 
    79072 elif probably_chimera1_session(exc_info): 
    79073 File
    79074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79075 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79076 etype, evalue, etraceback = exc_info 
    79077 TypeError: cannot unpack non-iterable NoneType object 
    79078  
    79079 TypeError: cannot unpack non-iterable NoneType object 
    79080  
    79081 File
    79082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79083 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79084 etype, evalue, etraceback = exc_info 
    79085  
    79086 See log for complete Python traceback. 
    79087  
    79088 Traceback (most recent call last): 
    79089 File
    79090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79091 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79092 return self._func(self._name, data) 
    79093 File
    79094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79095 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79096 if v.display: 
    79097 File
    79098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79099 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79100 return self._any_displayed_positions and len(self._positions) > 0 
    79101 TypeError: object of type 'NoneType' has no len() 
    79102  
    79103 During handling of the above exception, another exception occurred: 
    79104  
    79105 Traceback (most recent call last): 
    79106 File
    79107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79108 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79109 if not self.draw_new_frame(): 
    79110 File
    79111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79112 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79113 changed = view.check_for_drawing_change() 
    79114 File
    79115 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79116 packages/chimerax/core/graphics/view.py", line 252, in
    79117 check_for_drawing_change 
    79118 trig.activate_trigger('graphics update', self) 
    79119 File
    79120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79121 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79122 trigger.activate(data) 
    79123 File
    79124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79125 packages/chimerax/core/triggerset.py", line 190, in activate 
    79126 ret = handler.invoke(data, self._remove_bad_handlers) 
    79127 File
    79128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79129 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79130 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79131 File
    79132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79133 packages/chimerax/core/session.py", line 943, in <lambda> 
    79134 logger.report_exception(preface=preface)) 
    79135 File
    79136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79137 packages/chimerax/core/logger.py", line 421, in report_exception 
    79138 elif probably_chimera1_session(exc_info): 
    79139 File
    79140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79141 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79142 etype, evalue, etraceback = exc_info 
    79143 TypeError: cannot unpack non-iterable NoneType object 
    79144  
    79145 TypeError: cannot unpack non-iterable NoneType object 
    79146  
    79147 File
    79148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79149 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79150 etype, evalue, etraceback = exc_info 
    79151  
    79152 See log for complete Python traceback. 
    79153  
    79154 Traceback (most recent call last): 
    79155 File
    79156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79157 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79158 return self._func(self._name, data) 
    79159 File
    79160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79161 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79162 if v.display: 
    79163 File
    79164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79165 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79166 return self._any_displayed_positions and len(self._positions) > 0 
    79167 TypeError: object of type 'NoneType' has no len() 
    79168  
    79169 During handling of the above exception, another exception occurred: 
    79170  
    79171 Traceback (most recent call last): 
    79172 File
    79173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79174 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79175 if not self.draw_new_frame(): 
    79176 File
    79177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79178 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79179 changed = view.check_for_drawing_change() 
    79180 File
    79181 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79182 packages/chimerax/core/graphics/view.py", line 252, in
    79183 check_for_drawing_change 
    79184 trig.activate_trigger('graphics update', self) 
    79185 File
    79186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79187 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79188 trigger.activate(data) 
    79189 File
    79190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79191 packages/chimerax/core/triggerset.py", line 190, in activate 
    79192 ret = handler.invoke(data, self._remove_bad_handlers) 
    79193 File
    79194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79195 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79196 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79197 File
    79198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79199 packages/chimerax/core/session.py", line 943, in <lambda> 
    79200 logger.report_exception(preface=preface)) 
    79201 File
    79202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79203 packages/chimerax/core/logger.py", line 421, in report_exception 
    79204 elif probably_chimera1_session(exc_info): 
    79205 File
    79206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79207 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79208 etype, evalue, etraceback = exc_info 
    79209 TypeError: cannot unpack non-iterable NoneType object 
    79210  
    79211 TypeError: cannot unpack non-iterable NoneType object 
    79212  
    79213 File
    79214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79215 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79216 etype, evalue, etraceback = exc_info 
    79217  
    79218 See log for complete Python traceback. 
    79219  
    79220 Traceback (most recent call last): 
    79221 File
    79222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79223 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79224 return self._func(self._name, data) 
    79225 File
    79226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79227 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79228 if v.display: 
    79229 File
    79230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79231 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79232 return self._any_displayed_positions and len(self._positions) > 0 
    79233 TypeError: object of type 'NoneType' has no len() 
    79234  
    79235 During handling of the above exception, another exception occurred: 
    79236  
    79237 Traceback (most recent call last): 
    79238 File
    79239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79240 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79241 if not self.draw_new_frame(): 
    79242 File
    79243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79244 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79245 changed = view.check_for_drawing_change() 
    79246 File
    79247 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79248 packages/chimerax/core/graphics/view.py", line 252, in
    79249 check_for_drawing_change 
    79250 trig.activate_trigger('graphics update', self) 
    79251 File
    79252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79253 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79254 trigger.activate(data) 
    79255 File
    79256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79257 packages/chimerax/core/triggerset.py", line 190, in activate 
    79258 ret = handler.invoke(data, self._remove_bad_handlers) 
    79259 File
    79260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79261 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79262 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79263 File
    79264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79265 packages/chimerax/core/session.py", line 943, in <lambda> 
    79266 logger.report_exception(preface=preface)) 
    79267 File
    79268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79269 packages/chimerax/core/logger.py", line 421, in report_exception 
    79270 elif probably_chimera1_session(exc_info): 
    79271 File
    79272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79273 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79274 etype, evalue, etraceback = exc_info 
    79275 TypeError: cannot unpack non-iterable NoneType object 
    79276  
    79277 TypeError: cannot unpack non-iterable NoneType object 
    79278  
    79279 File
    79280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79281 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79282 etype, evalue, etraceback = exc_info 
    79283  
    79284 See log for complete Python traceback. 
    79285  
    79286 Traceback (most recent call last): 
    79287 File
    79288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79289 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79290 return self._func(self._name, data) 
    79291 File
    79292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79293 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79294 if v.display: 
    79295 File
    79296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79297 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79298 return self._any_displayed_positions and len(self._positions) > 0 
    79299 TypeError: object of type 'NoneType' has no len() 
    79300  
    79301 During handling of the above exception, another exception occurred: 
    79302  
    79303 Traceback (most recent call last): 
    79304 File
    79305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79306 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79307 if not self.draw_new_frame(): 
    79308 File
    79309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79310 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79311 changed = view.check_for_drawing_change() 
    79312 File
    79313 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79314 packages/chimerax/core/graphics/view.py", line 252, in
    79315 check_for_drawing_change 
    79316 trig.activate_trigger('graphics update', self) 
    79317 File
    79318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79319 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79320 trigger.activate(data) 
    79321 File
    79322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79323 packages/chimerax/core/triggerset.py", line 190, in activate 
    79324 ret = handler.invoke(data, self._remove_bad_handlers) 
    79325 File
    79326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79327 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79328 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79329 File
    79330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79331 packages/chimerax/core/session.py", line 943, in <lambda> 
    79332 logger.report_exception(preface=preface)) 
    79333 File
    79334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79335 packages/chimerax/core/logger.py", line 421, in report_exception 
    79336 elif probably_chimera1_session(exc_info): 
    79337 File
    79338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79339 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79340 etype, evalue, etraceback = exc_info 
    79341 TypeError: cannot unpack non-iterable NoneType object 
    79342  
    79343 TypeError: cannot unpack non-iterable NoneType object 
    79344  
    79345 File
    79346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79347 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79348 etype, evalue, etraceback = exc_info 
    79349  
    79350 See log for complete Python traceback. 
    79351  
    79352 Traceback (most recent call last): 
    79353 File
    79354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79355 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79356 return self._func(self._name, data) 
    79357 File
    79358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79359 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79360 if v.display: 
    79361 File
    79362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79363 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79364 return self._any_displayed_positions and len(self._positions) > 0 
    79365 TypeError: object of type 'NoneType' has no len() 
    79366  
    79367 During handling of the above exception, another exception occurred: 
    79368  
    79369 Traceback (most recent call last): 
    79370 File
    79371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79372 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79373 if not self.draw_new_frame(): 
    79374 File
    79375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79376 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79377 changed = view.check_for_drawing_change() 
    79378 File
    79379 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79380 packages/chimerax/core/graphics/view.py", line 252, in
    79381 check_for_drawing_change 
    79382 trig.activate_trigger('graphics update', self) 
    79383 File
    79384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79385 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79386 trigger.activate(data) 
    79387 File
    79388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79389 packages/chimerax/core/triggerset.py", line 190, in activate 
    79390 ret = handler.invoke(data, self._remove_bad_handlers) 
    79391 File
    79392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79393 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79394 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79395 File
    79396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79397 packages/chimerax/core/session.py", line 943, in <lambda> 
    79398 logger.report_exception(preface=preface)) 
    79399 File
    79400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79401 packages/chimerax/core/logger.py", line 421, in report_exception 
    79402 elif probably_chimera1_session(exc_info): 
    79403 File
    79404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79405 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79406 etype, evalue, etraceback = exc_info 
    79407 TypeError: cannot unpack non-iterable NoneType object 
    79408  
    79409 TypeError: cannot unpack non-iterable NoneType object 
    79410  
    79411 File
    79412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79413 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79414 etype, evalue, etraceback = exc_info 
    79415  
    79416 See log for complete Python traceback. 
    79417  
    79418 Traceback (most recent call last): 
    79419 File
    79420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79421 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79422 return self._func(self._name, data) 
    79423 File
    79424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79425 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79426 if v.display: 
    79427 File
    79428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79429 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79430 return self._any_displayed_positions and len(self._positions) > 0 
    79431 TypeError: object of type 'NoneType' has no len() 
    79432  
    79433 During handling of the above exception, another exception occurred: 
    79434  
    79435 Traceback (most recent call last): 
    79436 File
    79437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79438 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79439 if not self.draw_new_frame(): 
    79440 File
    79441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79442 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79443 changed = view.check_for_drawing_change() 
    79444 File
    79445 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79446 packages/chimerax/core/graphics/view.py", line 252, in
    79447 check_for_drawing_change 
    79448 trig.activate_trigger('graphics update', self) 
    79449 File
    79450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79451 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79452 trigger.activate(data) 
    79453 File
    79454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79455 packages/chimerax/core/triggerset.py", line 190, in activate 
    79456 ret = handler.invoke(data, self._remove_bad_handlers) 
    79457 File
    79458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79459 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79460 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79461 File
    79462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79463 packages/chimerax/core/session.py", line 943, in <lambda> 
    79464 logger.report_exception(preface=preface)) 
    79465 File
    79466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79467 packages/chimerax/core/logger.py", line 421, in report_exception 
    79468 elif probably_chimera1_session(exc_info): 
    79469 File
    79470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79471 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79472 etype, evalue, etraceback = exc_info 
    79473 TypeError: cannot unpack non-iterable NoneType object 
    79474  
    79475 TypeError: cannot unpack non-iterable NoneType object 
    79476  
    79477 File
    79478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79479 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79480 etype, evalue, etraceback = exc_info 
    79481  
    79482 See log for complete Python traceback. 
    79483  
    79484 Traceback (most recent call last): 
    79485 File
    79486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79487 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79488 return self._func(self._name, data) 
    79489 File
    79490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79491 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79492 if v.display: 
    79493 File
    79494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79495 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79496 return self._any_displayed_positions and len(self._positions) > 0 
    79497 TypeError: object of type 'NoneType' has no len() 
    79498  
    79499 During handling of the above exception, another exception occurred: 
    79500  
    79501 Traceback (most recent call last): 
    79502 File
    79503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79504 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79505 if not self.draw_new_frame(): 
    79506 File
    79507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79508 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79509 changed = view.check_for_drawing_change() 
    79510 File
    79511 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79512 packages/chimerax/core/graphics/view.py", line 252, in
    79513 check_for_drawing_change 
    79514 trig.activate_trigger('graphics update', self) 
    79515 File
    79516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79517 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79518 trigger.activate(data) 
    79519 File
    79520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79521 packages/chimerax/core/triggerset.py", line 190, in activate 
    79522 ret = handler.invoke(data, self._remove_bad_handlers) 
    79523 File
    79524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79525 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79526 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79527 File
    79528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79529 packages/chimerax/core/session.py", line 943, in <lambda> 
    79530 logger.report_exception(preface=preface)) 
    79531 File
    79532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79533 packages/chimerax/core/logger.py", line 421, in report_exception 
    79534 elif probably_chimera1_session(exc_info): 
    79535 File
    79536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79537 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79538 etype, evalue, etraceback = exc_info 
    79539 TypeError: cannot unpack non-iterable NoneType object 
    79540  
    79541 TypeError: cannot unpack non-iterable NoneType object 
    79542  
    79543 File
    79544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79545 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79546 etype, evalue, etraceback = exc_info 
    79547  
    79548 See log for complete Python traceback. 
    79549  
    79550 Traceback (most recent call last): 
    79551 File
    79552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79553 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79554 return self._func(self._name, data) 
    79555 File
    79556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79557 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79558 if v.display: 
    79559 File
    79560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79561 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79562 return self._any_displayed_positions and len(self._positions) > 0 
    79563 TypeError: object of type 'NoneType' has no len() 
    79564  
    79565 During handling of the above exception, another exception occurred: 
    79566  
    79567 Traceback (most recent call last): 
    79568 File
    79569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79570 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79571 if not self.draw_new_frame(): 
    79572 File
    79573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79574 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79575 changed = view.check_for_drawing_change() 
    79576 File
    79577 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79578 packages/chimerax/core/graphics/view.py", line 252, in
    79579 check_for_drawing_change 
    79580 trig.activate_trigger('graphics update', self) 
    79581 File
    79582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79583 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79584 trigger.activate(data) 
    79585 File
    79586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79587 packages/chimerax/core/triggerset.py", line 190, in activate 
    79588 ret = handler.invoke(data, self._remove_bad_handlers) 
    79589 File
    79590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79591 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79592 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79593 File
    79594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79595 packages/chimerax/core/session.py", line 943, in <lambda> 
    79596 logger.report_exception(preface=preface)) 
    79597 File
    79598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79599 packages/chimerax/core/logger.py", line 421, in report_exception 
    79600 elif probably_chimera1_session(exc_info): 
    79601 File
    79602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79603 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79604 etype, evalue, etraceback = exc_info 
    79605 TypeError: cannot unpack non-iterable NoneType object 
    79606  
    79607 TypeError: cannot unpack non-iterable NoneType object 
    79608  
    79609 File
    79610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79611 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79612 etype, evalue, etraceback = exc_info 
    79613  
    79614 See log for complete Python traceback. 
    79615  
    79616 Traceback (most recent call last): 
    79617 File
    79618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79619 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79620 return self._func(self._name, data) 
    79621 File
    79622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79623 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79624 if v.display: 
    79625 File
    79626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79627 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79628 return self._any_displayed_positions and len(self._positions) > 0 
    79629 TypeError: object of type 'NoneType' has no len() 
    79630  
    79631 During handling of the above exception, another exception occurred: 
    79632  
    79633 Traceback (most recent call last): 
    79634 File
    79635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79636 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79637 if not self.draw_new_frame(): 
    79638 File
    79639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79640 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79641 changed = view.check_for_drawing_change() 
    79642 File
    79643 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79644 packages/chimerax/core/graphics/view.py", line 252, in
    79645 check_for_drawing_change 
    79646 trig.activate_trigger('graphics update', self) 
    79647 File
    79648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79649 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79650 trigger.activate(data) 
    79651 File
    79652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79653 packages/chimerax/core/triggerset.py", line 190, in activate 
    79654 ret = handler.invoke(data, self._remove_bad_handlers) 
    79655 File
    79656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79657 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79658 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79659 File
    79660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79661 packages/chimerax/core/session.py", line 943, in <lambda> 
    79662 logger.report_exception(preface=preface)) 
    79663 File
    79664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79665 packages/chimerax/core/logger.py", line 421, in report_exception 
    79666 elif probably_chimera1_session(exc_info): 
    79667 File
    79668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79669 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79670 etype, evalue, etraceback = exc_info 
    79671 TypeError: cannot unpack non-iterable NoneType object 
    79672  
    79673 TypeError: cannot unpack non-iterable NoneType object 
    79674  
    79675 File
    79676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79677 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79678 etype, evalue, etraceback = exc_info 
    79679  
    79680 See log for complete Python traceback. 
    79681  
    79682 Traceback (most recent call last): 
    79683 File
    79684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79685 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79686 return self._func(self._name, data) 
    79687 File
    79688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79689 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79690 if v.display: 
    79691 File
    79692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79693 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79694 return self._any_displayed_positions and len(self._positions) > 0 
    79695 TypeError: object of type 'NoneType' has no len() 
    79696  
    79697 During handling of the above exception, another exception occurred: 
    79698  
    79699 Traceback (most recent call last): 
    79700 File
    79701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79702 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79703 if not self.draw_new_frame(): 
    79704 File
    79705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79706 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79707 changed = view.check_for_drawing_change() 
    79708 File
    79709 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79710 packages/chimerax/core/graphics/view.py", line 252, in
    79711 check_for_drawing_change 
    79712 trig.activate_trigger('graphics update', self) 
    79713 File
    79714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79715 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79716 trigger.activate(data) 
    79717 File
    79718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79719 packages/chimerax/core/triggerset.py", line 190, in activate 
    79720 ret = handler.invoke(data, self._remove_bad_handlers) 
    79721 File
    79722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79723 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79724 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79725 File
    79726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79727 packages/chimerax/core/session.py", line 943, in <lambda> 
    79728 logger.report_exception(preface=preface)) 
    79729 File
    79730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79731 packages/chimerax/core/logger.py", line 421, in report_exception 
    79732 elif probably_chimera1_session(exc_info): 
    79733 File
    79734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79735 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79736 etype, evalue, etraceback = exc_info 
    79737 TypeError: cannot unpack non-iterable NoneType object 
    79738  
    79739 TypeError: cannot unpack non-iterable NoneType object 
    79740  
    79741 File
    79742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79743 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79744 etype, evalue, etraceback = exc_info 
    79745  
    79746 See log for complete Python traceback. 
    79747  
    79748 Traceback (most recent call last): 
    79749 File
    79750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79751 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79752 return self._func(self._name, data) 
    79753 File
    79754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79755 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79756 if v.display: 
    79757 File
    79758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79759 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79760 return self._any_displayed_positions and len(self._positions) > 0 
    79761 TypeError: object of type 'NoneType' has no len() 
    79762  
    79763 During handling of the above exception, another exception occurred: 
    79764  
    79765 Traceback (most recent call last): 
    79766 File
    79767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79768 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79769 if not self.draw_new_frame(): 
    79770 File
    79771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79772 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79773 changed = view.check_for_drawing_change() 
    79774 File
    79775 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79776 packages/chimerax/core/graphics/view.py", line 252, in
    79777 check_for_drawing_change 
    79778 trig.activate_trigger('graphics update', self) 
    79779 File
    79780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79781 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79782 trigger.activate(data) 
    79783 File
    79784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79785 packages/chimerax/core/triggerset.py", line 190, in activate 
    79786 ret = handler.invoke(data, self._remove_bad_handlers) 
    79787 File
    79788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79789 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79790 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79791 File
    79792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79793 packages/chimerax/core/session.py", line 943, in <lambda> 
    79794 logger.report_exception(preface=preface)) 
    79795 File
    79796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79797 packages/chimerax/core/logger.py", line 421, in report_exception 
    79798 elif probably_chimera1_session(exc_info): 
    79799 File
    79800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79801 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79802 etype, evalue, etraceback = exc_info 
    79803 TypeError: cannot unpack non-iterable NoneType object 
    79804  
    79805 TypeError: cannot unpack non-iterable NoneType object 
    79806  
    79807 File
    79808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79809 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79810 etype, evalue, etraceback = exc_info 
    79811  
    79812 See log for complete Python traceback. 
    79813  
    79814 Traceback (most recent call last): 
    79815 File
    79816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79817 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79818 return self._func(self._name, data) 
    79819 File
    79820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79821 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79822 if v.display: 
    79823 File
    79824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79825 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79826 return self._any_displayed_positions and len(self._positions) > 0 
    79827 TypeError: object of type 'NoneType' has no len() 
    79828  
    79829 During handling of the above exception, another exception occurred: 
    79830  
    79831 Traceback (most recent call last): 
    79832 File
    79833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79834 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79835 if not self.draw_new_frame(): 
    79836 File
    79837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79838 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79839 changed = view.check_for_drawing_change() 
    79840 File
    79841 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79842 packages/chimerax/core/graphics/view.py", line 252, in
    79843 check_for_drawing_change 
    79844 trig.activate_trigger('graphics update', self) 
    79845 File
    79846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79847 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79848 trigger.activate(data) 
    79849 File
    79850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79851 packages/chimerax/core/triggerset.py", line 190, in activate 
    79852 ret = handler.invoke(data, self._remove_bad_handlers) 
    79853 File
    79854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79855 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79856 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79857 File
    79858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79859 packages/chimerax/core/session.py", line 943, in <lambda> 
    79860 logger.report_exception(preface=preface)) 
    79861 File
    79862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79863 packages/chimerax/core/logger.py", line 421, in report_exception 
    79864 elif probably_chimera1_session(exc_info): 
    79865 File
    79866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79867 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79868 etype, evalue, etraceback = exc_info 
    79869 TypeError: cannot unpack non-iterable NoneType object 
    79870  
    79871 TypeError: cannot unpack non-iterable NoneType object 
    79872  
    79873 File
    79874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79875 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79876 etype, evalue, etraceback = exc_info 
    79877  
    79878 See log for complete Python traceback. 
    79879  
    79880 Traceback (most recent call last): 
    79881 File
    79882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79883 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79884 return self._func(self._name, data) 
    79885 File
    79886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79887 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79888 if v.display: 
    79889 File
    79890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79891 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79892 return self._any_displayed_positions and len(self._positions) > 0 
    79893 TypeError: object of type 'NoneType' has no len() 
    79894  
    79895 During handling of the above exception, another exception occurred: 
    79896  
    79897 Traceback (most recent call last): 
    79898 File
    79899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79900 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79901 if not self.draw_new_frame(): 
    79902 File
    79903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79904 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79905 changed = view.check_for_drawing_change() 
    79906 File
    79907 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79908 packages/chimerax/core/graphics/view.py", line 252, in
    79909 check_for_drawing_change 
    79910 trig.activate_trigger('graphics update', self) 
    79911 File
    79912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79913 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79914 trigger.activate(data) 
    79915 File
    79916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79917 packages/chimerax/core/triggerset.py", line 190, in activate 
    79918 ret = handler.invoke(data, self._remove_bad_handlers) 
    79919 File
    79920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79921 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79922 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79923 File
    79924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79925 packages/chimerax/core/session.py", line 943, in <lambda> 
    79926 logger.report_exception(preface=preface)) 
    79927 File
    79928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79929 packages/chimerax/core/logger.py", line 421, in report_exception 
    79930 elif probably_chimera1_session(exc_info): 
    79931 File
    79932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79933 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79934 etype, evalue, etraceback = exc_info 
    79935 TypeError: cannot unpack non-iterable NoneType object 
    79936  
    79937 TypeError: cannot unpack non-iterable NoneType object 
    79938  
    79939 File
    79940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79941 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    79942 etype, evalue, etraceback = exc_info 
    79943  
    79944 See log for complete Python traceback. 
    79945  
    79946 Traceback (most recent call last): 
    79947 File
    79948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79949 packages/chimerax/core/triggerset.py", line 130, in invoke 
    79950 return self._func(self._name, data) 
    79951 File
    79952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79953 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    79954 if v.display: 
    79955 File
    79956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79957 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    79958 return self._any_displayed_positions and len(self._positions) > 0 
    79959 TypeError: object of type 'NoneType' has no len() 
    79960  
    79961 During handling of the above exception, another exception occurred: 
    79962  
    79963 Traceback (most recent call last): 
    79964 File
    79965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79966 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    79967 if not self.draw_new_frame(): 
    79968 File
    79969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79970 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    79971 changed = view.check_for_drawing_change() 
    79972 File
    79973 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79974 packages/chimerax/core/graphics/view.py", line 252, in
    79975 check_for_drawing_change 
    79976 trig.activate_trigger('graphics update', self) 
    79977 File
    79978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79979 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    79980 trigger.activate(data) 
    79981 File
    79982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79983 packages/chimerax/core/triggerset.py", line 190, in activate 
    79984 ret = handler.invoke(data, self._remove_bad_handlers) 
    79985 File
    79986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79987 packages/chimerax/core/triggerset.py", line 132, in invoke 
    79988 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    79989 File
    79990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79991 packages/chimerax/core/session.py", line 943, in <lambda> 
    79992 logger.report_exception(preface=preface)) 
    79993 File
    79994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79995 packages/chimerax/core/logger.py", line 421, in report_exception 
    79996 elif probably_chimera1_session(exc_info): 
    79997 File
    79998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    79999 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80000 etype, evalue, etraceback = exc_info 
    80001 TypeError: cannot unpack non-iterable NoneType object 
    80002  
    80003 TypeError: cannot unpack non-iterable NoneType object 
    80004  
    80005 File
    80006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80007 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80008 etype, evalue, etraceback = exc_info 
    80009  
    80010 See log for complete Python traceback. 
    80011  
    80012 Traceback (most recent call last): 
    80013 File
    80014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80015 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80016 return self._func(self._name, data) 
    80017 File
    80018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80019 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80020 if v.display: 
    80021 File
    80022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80023 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80024 return self._any_displayed_positions and len(self._positions) > 0 
    80025 TypeError: object of type 'NoneType' has no len() 
    80026  
    80027 During handling of the above exception, another exception occurred: 
    80028  
    80029 Traceback (most recent call last): 
    80030 File
    80031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80032 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80033 if not self.draw_new_frame(): 
    80034 File
    80035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80036 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80037 changed = view.check_for_drawing_change() 
    80038 File
    80039 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80040 packages/chimerax/core/graphics/view.py", line 252, in
    80041 check_for_drawing_change 
    80042 trig.activate_trigger('graphics update', self) 
    80043 File
    80044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80045 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80046 trigger.activate(data) 
    80047 File
    80048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80049 packages/chimerax/core/triggerset.py", line 190, in activate 
    80050 ret = handler.invoke(data, self._remove_bad_handlers) 
    80051 File
    80052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80053 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80054 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80055 File
    80056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80057 packages/chimerax/core/session.py", line 943, in <lambda> 
    80058 logger.report_exception(preface=preface)) 
    80059 File
    80060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80061 packages/chimerax/core/logger.py", line 421, in report_exception 
    80062 elif probably_chimera1_session(exc_info): 
    80063 File
    80064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80065 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80066 etype, evalue, etraceback = exc_info 
    80067 TypeError: cannot unpack non-iterable NoneType object 
    80068  
    80069 TypeError: cannot unpack non-iterable NoneType object 
    80070  
    80071 File
    80072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80073 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80074 etype, evalue, etraceback = exc_info 
    80075  
    80076 See log for complete Python traceback. 
    80077  
    80078 Traceback (most recent call last): 
    80079 File
    80080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80081 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80082 return self._func(self._name, data) 
    80083 File
    80084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80085 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80086 if v.display: 
    80087 File
    80088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80089 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80090 return self._any_displayed_positions and len(self._positions) > 0 
    80091 TypeError: object of type 'NoneType' has no len() 
    80092  
    80093 During handling of the above exception, another exception occurred: 
    80094  
    80095 Traceback (most recent call last): 
    80096 File
    80097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80098 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80099 if not self.draw_new_frame(): 
    80100 File
    80101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80102 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80103 changed = view.check_for_drawing_change() 
    80104 File
    80105 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80106 packages/chimerax/core/graphics/view.py", line 252, in
    80107 check_for_drawing_change 
    80108 trig.activate_trigger('graphics update', self) 
    80109 File
    80110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80111 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80112 trigger.activate(data) 
    80113 File
    80114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80115 packages/chimerax/core/triggerset.py", line 190, in activate 
    80116 ret = handler.invoke(data, self._remove_bad_handlers) 
    80117 File
    80118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80119 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80120 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80121 File
    80122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80123 packages/chimerax/core/session.py", line 943, in <lambda> 
    80124 logger.report_exception(preface=preface)) 
    80125 File
    80126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80127 packages/chimerax/core/logger.py", line 421, in report_exception 
    80128 elif probably_chimera1_session(exc_info): 
    80129 File
    80130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80131 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80132 etype, evalue, etraceback = exc_info 
    80133 TypeError: cannot unpack non-iterable NoneType object 
    80134  
    80135 TypeError: cannot unpack non-iterable NoneType object 
    80136  
    80137 File
    80138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80139 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80140 etype, evalue, etraceback = exc_info 
    80141  
    80142 See log for complete Python traceback. 
    80143  
    80144 Traceback (most recent call last): 
    80145 File
    80146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80147 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80148 return self._func(self._name, data) 
    80149 File
    80150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80151 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80152 if v.display: 
    80153 File
    80154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80155 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80156 return self._any_displayed_positions and len(self._positions) > 0 
    80157 TypeError: object of type 'NoneType' has no len() 
    80158  
    80159 During handling of the above exception, another exception occurred: 
    80160  
    80161 Traceback (most recent call last): 
    80162 File
    80163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80164 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80165 if not self.draw_new_frame(): 
    80166 File
    80167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80168 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80169 changed = view.check_for_drawing_change() 
    80170 File
    80171 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80172 packages/chimerax/core/graphics/view.py", line 252, in
    80173 check_for_drawing_change 
    80174 trig.activate_trigger('graphics update', self) 
    80175 File
    80176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80177 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80178 trigger.activate(data) 
    80179 File
    80180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80181 packages/chimerax/core/triggerset.py", line 190, in activate 
    80182 ret = handler.invoke(data, self._remove_bad_handlers) 
    80183 File
    80184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80185 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80186 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80187 File
    80188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80189 packages/chimerax/core/session.py", line 943, in <lambda> 
    80190 logger.report_exception(preface=preface)) 
    80191 File
    80192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80193 packages/chimerax/core/logger.py", line 421, in report_exception 
    80194 elif probably_chimera1_session(exc_info): 
    80195 File
    80196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80197 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80198 etype, evalue, etraceback = exc_info 
    80199 TypeError: cannot unpack non-iterable NoneType object 
    80200  
    80201 TypeError: cannot unpack non-iterable NoneType object 
    80202  
    80203 File
    80204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80205 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80206 etype, evalue, etraceback = exc_info 
    80207  
    80208 See log for complete Python traceback. 
    80209  
    80210 Traceback (most recent call last): 
    80211 File
    80212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80213 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80214 return self._func(self._name, data) 
    80215 File
    80216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80217 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80218 if v.display: 
    80219 File
    80220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80221 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80222 return self._any_displayed_positions and len(self._positions) > 0 
    80223 TypeError: object of type 'NoneType' has no len() 
    80224  
    80225 During handling of the above exception, another exception occurred: 
    80226  
    80227 Traceback (most recent call last): 
    80228 File
    80229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80230 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80231 if not self.draw_new_frame(): 
    80232 File
    80233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80234 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80235 changed = view.check_for_drawing_change() 
    80236 File
    80237 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80238 packages/chimerax/core/graphics/view.py", line 252, in
    80239 check_for_drawing_change 
    80240 trig.activate_trigger('graphics update', self) 
    80241 File
    80242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80243 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80244 trigger.activate(data) 
    80245 File
    80246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80247 packages/chimerax/core/triggerset.py", line 190, in activate 
    80248 ret = handler.invoke(data, self._remove_bad_handlers) 
    80249 File
    80250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80251 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80252 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80253 File
    80254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80255 packages/chimerax/core/session.py", line 943, in <lambda> 
    80256 logger.report_exception(preface=preface)) 
    80257 File
    80258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80259 packages/chimerax/core/logger.py", line 421, in report_exception 
    80260 elif probably_chimera1_session(exc_info): 
    80261 File
    80262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80263 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80264 etype, evalue, etraceback = exc_info 
    80265 TypeError: cannot unpack non-iterable NoneType object 
    80266  
    80267 TypeError: cannot unpack non-iterable NoneType object 
    80268  
    80269 File
    80270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80271 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80272 etype, evalue, etraceback = exc_info 
    80273  
    80274 See log for complete Python traceback. 
    80275  
    80276 Traceback (most recent call last): 
    80277 File
    80278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80279 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80280 return self._func(self._name, data) 
    80281 File
    80282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80283 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80284 if v.display: 
    80285 File
    80286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80287 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80288 return self._any_displayed_positions and len(self._positions) > 0 
    80289 TypeError: object of type 'NoneType' has no len() 
    80290  
    80291 During handling of the above exception, another exception occurred: 
    80292  
    80293 Traceback (most recent call last): 
    80294 File
    80295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80296 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80297 if not self.draw_new_frame(): 
    80298 File
    80299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80300 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80301 changed = view.check_for_drawing_change() 
    80302 File
    80303 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80304 packages/chimerax/core/graphics/view.py", line 252, in
    80305 check_for_drawing_change 
    80306 trig.activate_trigger('graphics update', self) 
    80307 File
    80308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80309 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80310 trigger.activate(data) 
    80311 File
    80312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80313 packages/chimerax/core/triggerset.py", line 190, in activate 
    80314 ret = handler.invoke(data, self._remove_bad_handlers) 
    80315 File
    80316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80317 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80318 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80319 File
    80320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80321 packages/chimerax/core/session.py", line 943, in <lambda> 
    80322 logger.report_exception(preface=preface)) 
    80323 File
    80324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80325 packages/chimerax/core/logger.py", line 421, in report_exception 
    80326 elif probably_chimera1_session(exc_info): 
    80327 File
    80328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80329 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80330 etype, evalue, etraceback = exc_info 
    80331 TypeError: cannot unpack non-iterable NoneType object 
    80332  
    80333 TypeError: cannot unpack non-iterable NoneType object 
    80334  
    80335 File
    80336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80337 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80338 etype, evalue, etraceback = exc_info 
    80339  
    80340 See log for complete Python traceback. 
    80341  
    80342 Traceback (most recent call last): 
    80343 File
    80344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80345 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80346 return self._func(self._name, data) 
    80347 File
    80348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80349 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80350 if v.display: 
    80351 File
    80352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80353 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80354 return self._any_displayed_positions and len(self._positions) > 0 
    80355 TypeError: object of type 'NoneType' has no len() 
    80356  
    80357 During handling of the above exception, another exception occurred: 
    80358  
    80359 Traceback (most recent call last): 
    80360 File
    80361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80362 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80363 if not self.draw_new_frame(): 
    80364 File
    80365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80366 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80367 changed = view.check_for_drawing_change() 
    80368 File
    80369 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80370 packages/chimerax/core/graphics/view.py", line 252, in
    80371 check_for_drawing_change 
    80372 trig.activate_trigger('graphics update', self) 
    80373 File
    80374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80375 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80376 trigger.activate(data) 
    80377 File
    80378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80379 packages/chimerax/core/triggerset.py", line 190, in activate 
    80380 ret = handler.invoke(data, self._remove_bad_handlers) 
    80381 File
    80382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80383 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80384 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80385 File
    80386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80387 packages/chimerax/core/session.py", line 943, in <lambda> 
    80388 logger.report_exception(preface=preface)) 
    80389 File
    80390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80391 packages/chimerax/core/logger.py", line 421, in report_exception 
    80392 elif probably_chimera1_session(exc_info): 
    80393 File
    80394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80395 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80396 etype, evalue, etraceback = exc_info 
    80397 TypeError: cannot unpack non-iterable NoneType object 
    80398  
    80399 TypeError: cannot unpack non-iterable NoneType object 
    80400  
    80401 File
    80402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80403 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80404 etype, evalue, etraceback = exc_info 
    80405  
    80406 See log for complete Python traceback. 
    80407  
    80408 Traceback (most recent call last): 
    80409 File
    80410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80411 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80412 return self._func(self._name, data) 
    80413 File
    80414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80415 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80416 if v.display: 
    80417 File
    80418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80419 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80420 return self._any_displayed_positions and len(self._positions) > 0 
    80421 TypeError: object of type 'NoneType' has no len() 
    80422  
    80423 During handling of the above exception, another exception occurred: 
    80424  
    80425 Traceback (most recent call last): 
    80426 File
    80427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80428 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80429 if not self.draw_new_frame(): 
    80430 File
    80431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80432 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80433 changed = view.check_for_drawing_change() 
    80434 File
    80435 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80436 packages/chimerax/core/graphics/view.py", line 252, in
    80437 check_for_drawing_change 
    80438 trig.activate_trigger('graphics update', self) 
    80439 File
    80440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80441 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80442 trigger.activate(data) 
    80443 File
    80444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80445 packages/chimerax/core/triggerset.py", line 190, in activate 
    80446 ret = handler.invoke(data, self._remove_bad_handlers) 
    80447 File
    80448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80449 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80450 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80451 File
    80452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80453 packages/chimerax/core/session.py", line 943, in <lambda> 
    80454 logger.report_exception(preface=preface)) 
    80455 File
    80456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80457 packages/chimerax/core/logger.py", line 421, in report_exception 
    80458 elif probably_chimera1_session(exc_info): 
    80459 File
    80460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80461 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80462 etype, evalue, etraceback = exc_info 
    80463 TypeError: cannot unpack non-iterable NoneType object 
    80464  
    80465 TypeError: cannot unpack non-iterable NoneType object 
    80466  
    80467 File
    80468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80469 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80470 etype, evalue, etraceback = exc_info 
    80471  
    80472 See log for complete Python traceback. 
    80473  
    80474 Traceback (most recent call last): 
    80475 File
    80476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80477 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80478 return self._func(self._name, data) 
    80479 File
    80480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80481 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80482 if v.display: 
    80483 File
    80484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80485 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80486 return self._any_displayed_positions and len(self._positions) > 0 
    80487 TypeError: object of type 'NoneType' has no len() 
    80488  
    80489 During handling of the above exception, another exception occurred: 
    80490  
    80491 Traceback (most recent call last): 
    80492 File
    80493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80494 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80495 if not self.draw_new_frame(): 
    80496 File
    80497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80498 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80499 changed = view.check_for_drawing_change() 
    80500 File
    80501 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80502 packages/chimerax/core/graphics/view.py", line 252, in
    80503 check_for_drawing_change 
    80504 trig.activate_trigger('graphics update', self) 
    80505 File
    80506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80507 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80508 trigger.activate(data) 
    80509 File
    80510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80511 packages/chimerax/core/triggerset.py", line 190, in activate 
    80512 ret = handler.invoke(data, self._remove_bad_handlers) 
    80513 File
    80514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80515 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80516 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80517 File
    80518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80519 packages/chimerax/core/session.py", line 943, in <lambda> 
    80520 logger.report_exception(preface=preface)) 
    80521 File
    80522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80523 packages/chimerax/core/logger.py", line 421, in report_exception 
    80524 elif probably_chimera1_session(exc_info): 
    80525 File
    80526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80527 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80528 etype, evalue, etraceback = exc_info 
    80529 TypeError: cannot unpack non-iterable NoneType object 
    80530  
    80531 TypeError: cannot unpack non-iterable NoneType object 
    80532  
    80533 File
    80534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80535 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80536 etype, evalue, etraceback = exc_info 
    80537  
    80538 See log for complete Python traceback. 
    80539  
    80540 Traceback (most recent call last): 
    80541 File
    80542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80544 return self._func(self._name, data) 
    80545 File
    80546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80547 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80548 if v.display: 
    80549 File
    80550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80551 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80552 return self._any_displayed_positions and len(self._positions) > 0 
    80553 TypeError: object of type 'NoneType' has no len() 
    80554  
    80555 During handling of the above exception, another exception occurred: 
    80556  
    80557 Traceback (most recent call last): 
    80558 File
    80559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80560 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80561 if not self.draw_new_frame(): 
    80562 File
    80563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80564 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80565 changed = view.check_for_drawing_change() 
    80566 File
    80567 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80568 packages/chimerax/core/graphics/view.py", line 252, in
    80569 check_for_drawing_change 
    80570 trig.activate_trigger('graphics update', self) 
    80571 File
    80572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80573 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80574 trigger.activate(data) 
    80575 File
    80576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80577 packages/chimerax/core/triggerset.py", line 190, in activate 
    80578 ret = handler.invoke(data, self._remove_bad_handlers) 
    80579 File
    80580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80581 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80582 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80583 File
    80584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80585 packages/chimerax/core/session.py", line 943, in <lambda> 
    80586 logger.report_exception(preface=preface)) 
    80587 File
    80588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80589 packages/chimerax/core/logger.py", line 421, in report_exception 
    80590 elif probably_chimera1_session(exc_info): 
    80591 File
    80592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80593 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80594 etype, evalue, etraceback = exc_info 
    80595 TypeError: cannot unpack non-iterable NoneType object 
    80596  
    80597 TypeError: cannot unpack non-iterable NoneType object 
    80598  
    80599 File
    80600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80601 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80602 etype, evalue, etraceback = exc_info 
    80603  
    80604 See log for complete Python traceback. 
    80605  
    80606 Traceback (most recent call last): 
    80607 File
    80608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80609 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80610 return self._func(self._name, data) 
    80611 File
    80612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80613 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80614 if v.display: 
    80615 File
    80616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80617 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80618 return self._any_displayed_positions and len(self._positions) > 0 
    80619 TypeError: object of type 'NoneType' has no len() 
    80620  
    80621 During handling of the above exception, another exception occurred: 
    80622  
    80623 Traceback (most recent call last): 
    80624 File
    80625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80626 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80627 if not self.draw_new_frame(): 
    80628 File
    80629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80630 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80631 changed = view.check_for_drawing_change() 
    80632 File
    80633 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80634 packages/chimerax/core/graphics/view.py", line 252, in
    80635 check_for_drawing_change 
    80636 trig.activate_trigger('graphics update', self) 
    80637 File
    80638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80639 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80640 trigger.activate(data) 
    80641 File
    80642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80643 packages/chimerax/core/triggerset.py", line 190, in activate 
    80644 ret = handler.invoke(data, self._remove_bad_handlers) 
    80645 File
    80646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80647 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80648 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80649 File
    80650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80651 packages/chimerax/core/session.py", line 943, in <lambda> 
    80652 logger.report_exception(preface=preface)) 
    80653 File
    80654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80655 packages/chimerax/core/logger.py", line 421, in report_exception 
    80656 elif probably_chimera1_session(exc_info): 
    80657 File
    80658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80659 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80660 etype, evalue, etraceback = exc_info 
    80661 TypeError: cannot unpack non-iterable NoneType object 
    80662  
    80663 TypeError: cannot unpack non-iterable NoneType object 
    80664  
    80665 File
    80666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80667 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80668 etype, evalue, etraceback = exc_info 
    80669  
    80670 See log for complete Python traceback. 
    80671  
    80672 Traceback (most recent call last): 
    80673 File
    80674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80675 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80676 return self._func(self._name, data) 
    80677 File
    80678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80679 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80680 if v.display: 
    80681 File
    80682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80683 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80684 return self._any_displayed_positions and len(self._positions) > 0 
    80685 TypeError: object of type 'NoneType' has no len() 
    80686  
    80687 During handling of the above exception, another exception occurred: 
    80688  
    80689 Traceback (most recent call last): 
    80690 File
    80691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80692 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80693 if not self.draw_new_frame(): 
    80694 File
    80695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80696 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80697 changed = view.check_for_drawing_change() 
    80698 File
    80699 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80700 packages/chimerax/core/graphics/view.py", line 252, in
    80701 check_for_drawing_change 
    80702 trig.activate_trigger('graphics update', self) 
    80703 File
    80704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80705 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80706 trigger.activate(data) 
    80707 File
    80708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80709 packages/chimerax/core/triggerset.py", line 190, in activate 
    80710 ret = handler.invoke(data, self._remove_bad_handlers) 
    80711 File
    80712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80713 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80714 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80715 File
    80716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80717 packages/chimerax/core/session.py", line 943, in <lambda> 
    80718 logger.report_exception(preface=preface)) 
    80719 File
    80720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80721 packages/chimerax/core/logger.py", line 421, in report_exception 
    80722 elif probably_chimera1_session(exc_info): 
    80723 File
    80724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80725 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80726 etype, evalue, etraceback = exc_info 
    80727 TypeError: cannot unpack non-iterable NoneType object 
    80728  
    80729 TypeError: cannot unpack non-iterable NoneType object 
    80730  
    80731 File
    80732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80733 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80734 etype, evalue, etraceback = exc_info 
    80735  
    80736 See log for complete Python traceback. 
    80737  
    80738 Traceback (most recent call last): 
    80739 File
    80740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80741 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80742 return self._func(self._name, data) 
    80743 File
    80744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80745 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80746 if v.display: 
    80747 File
    80748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80749 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80750 return self._any_displayed_positions and len(self._positions) > 0 
    80751 TypeError: object of type 'NoneType' has no len() 
    80752  
    80753 During handling of the above exception, another exception occurred: 
    80754  
    80755 Traceback (most recent call last): 
    80756 File
    80757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80758 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80759 if not self.draw_new_frame(): 
    80760 File
    80761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80762 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80763 changed = view.check_for_drawing_change() 
    80764 File
    80765 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80766 packages/chimerax/core/graphics/view.py", line 252, in
    80767 check_for_drawing_change 
    80768 trig.activate_trigger('graphics update', self) 
    80769 File
    80770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80771 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80772 trigger.activate(data) 
    80773 File
    80774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80775 packages/chimerax/core/triggerset.py", line 190, in activate 
    80776 ret = handler.invoke(data, self._remove_bad_handlers) 
    80777 File
    80778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80779 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80780 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80781 File
    80782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80783 packages/chimerax/core/session.py", line 943, in <lambda> 
    80784 logger.report_exception(preface=preface)) 
    80785 File
    80786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80787 packages/chimerax/core/logger.py", line 421, in report_exception 
    80788 elif probably_chimera1_session(exc_info): 
    80789 File
    80790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80791 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80792 etype, evalue, etraceback = exc_info 
    80793 TypeError: cannot unpack non-iterable NoneType object 
    80794  
    80795 TypeError: cannot unpack non-iterable NoneType object 
    80796  
    80797 File
    80798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80799 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80800 etype, evalue, etraceback = exc_info 
    80801  
    80802 See log for complete Python traceback. 
    80803  
    80804 Traceback (most recent call last): 
    80805 File
    80806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80807 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80808 return self._func(self._name, data) 
    80809 File
    80810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80811 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80812 if v.display: 
    80813 File
    80814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80815 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80816 return self._any_displayed_positions and len(self._positions) > 0 
    80817 TypeError: object of type 'NoneType' has no len() 
    80818  
    80819 During handling of the above exception, another exception occurred: 
    80820  
    80821 Traceback (most recent call last): 
    80822 File
    80823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80824 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80825 if not self.draw_new_frame(): 
    80826 File
    80827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80828 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80829 changed = view.check_for_drawing_change() 
    80830 File
    80831 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80832 packages/chimerax/core/graphics/view.py", line 252, in
    80833 check_for_drawing_change 
    80834 trig.activate_trigger('graphics update', self) 
    80835 File
    80836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80837 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80838 trigger.activate(data) 
    80839 File
    80840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80841 packages/chimerax/core/triggerset.py", line 190, in activate 
    80842 ret = handler.invoke(data, self._remove_bad_handlers) 
    80843 File
    80844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80845 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80846 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80847 File
    80848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80849 packages/chimerax/core/session.py", line 943, in <lambda> 
    80850 logger.report_exception(preface=preface)) 
    80851 File
    80852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80853 packages/chimerax/core/logger.py", line 421, in report_exception 
    80854 elif probably_chimera1_session(exc_info): 
    80855 File
    80856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80857 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80858 etype, evalue, etraceback = exc_info 
    80859 TypeError: cannot unpack non-iterable NoneType object 
    80860  
    80861 TypeError: cannot unpack non-iterable NoneType object 
    80862  
    80863 File
    80864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80865 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80866 etype, evalue, etraceback = exc_info 
    80867  
    80868 See log for complete Python traceback. 
    80869  
    80870 Traceback (most recent call last): 
    80871 File
    80872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80873 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80874 return self._func(self._name, data) 
    80875 File
    80876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80877 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80878 if v.display: 
    80879 File
    80880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80881 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80882 return self._any_displayed_positions and len(self._positions) > 0 
    80883 TypeError: object of type 'NoneType' has no len() 
    80884  
    80885 During handling of the above exception, another exception occurred: 
    80886  
    80887 Traceback (most recent call last): 
    80888 File
    80889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80890 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80891 if not self.draw_new_frame(): 
    80892 File
    80893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80894 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80895 changed = view.check_for_drawing_change() 
    80896 File
    80897 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80898 packages/chimerax/core/graphics/view.py", line 252, in
    80899 check_for_drawing_change 
    80900 trig.activate_trigger('graphics update', self) 
    80901 File
    80902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80903 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80904 trigger.activate(data) 
    80905 File
    80906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80907 packages/chimerax/core/triggerset.py", line 190, in activate 
    80908 ret = handler.invoke(data, self._remove_bad_handlers) 
    80909 File
    80910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80911 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80912 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80913 File
    80914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80915 packages/chimerax/core/session.py", line 943, in <lambda> 
    80916 logger.report_exception(preface=preface)) 
    80917 File
    80918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80919 packages/chimerax/core/logger.py", line 421, in report_exception 
    80920 elif probably_chimera1_session(exc_info): 
    80921 File
    80922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80923 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80924 etype, evalue, etraceback = exc_info 
    80925 TypeError: cannot unpack non-iterable NoneType object 
    80926  
    80927 TypeError: cannot unpack non-iterable NoneType object 
    80928  
    80929 File
    80930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80931 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80932 etype, evalue, etraceback = exc_info 
    80933  
    80934 See log for complete Python traceback. 
    80935  
    80936 Traceback (most recent call last): 
    80937 File
    80938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80939 packages/chimerax/core/triggerset.py", line 130, in invoke 
    80940 return self._func(self._name, data) 
    80941 File
    80942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80943 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    80944 if v.display: 
    80945 File
    80946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80947 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    80948 return self._any_displayed_positions and len(self._positions) > 0 
    80949 TypeError: object of type 'NoneType' has no len() 
    80950  
    80951 During handling of the above exception, another exception occurred: 
    80952  
    80953 Traceback (most recent call last): 
    80954 File
    80955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80956 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    80957 if not self.draw_new_frame(): 
    80958 File
    80959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80960 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    80961 changed = view.check_for_drawing_change() 
    80962 File
    80963 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80964 packages/chimerax/core/graphics/view.py", line 252, in
    80965 check_for_drawing_change 
    80966 trig.activate_trigger('graphics update', self) 
    80967 File
    80968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80969 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    80970 trigger.activate(data) 
    80971 File
    80972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80973 packages/chimerax/core/triggerset.py", line 190, in activate 
    80974 ret = handler.invoke(data, self._remove_bad_handlers) 
    80975 File
    80976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80977 packages/chimerax/core/triggerset.py", line 132, in invoke 
    80978 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    80979 File
    80980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80981 packages/chimerax/core/session.py", line 943, in <lambda> 
    80982 logger.report_exception(preface=preface)) 
    80983 File
    80984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80985 packages/chimerax/core/logger.py", line 421, in report_exception 
    80986 elif probably_chimera1_session(exc_info): 
    80987 File
    80988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80989 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80990 etype, evalue, etraceback = exc_info 
    80991 TypeError: cannot unpack non-iterable NoneType object 
    80992  
    80993 TypeError: cannot unpack non-iterable NoneType object 
    80994  
    80995 File
    80996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    80997 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    80998 etype, evalue, etraceback = exc_info 
    80999  
    81000 See log for complete Python traceback. 
    81001  
    81002 Traceback (most recent call last): 
    81003 File
    81004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81005 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81006 return self._func(self._name, data) 
    81007 File
    81008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81009 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81010 if v.display: 
    81011 File
    81012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81013 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81014 return self._any_displayed_positions and len(self._positions) > 0 
    81015 TypeError: object of type 'NoneType' has no len() 
    81016  
    81017 During handling of the above exception, another exception occurred: 
    81018  
    81019 Traceback (most recent call last): 
    81020 File
    81021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81022 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81023 if not self.draw_new_frame(): 
    81024 File
    81025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81026 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81027 changed = view.check_for_drawing_change() 
    81028 File
    81029 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81030 packages/chimerax/core/graphics/view.py", line 252, in
    81031 check_for_drawing_change 
    81032 trig.activate_trigger('graphics update', self) 
    81033 File
    81034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81035 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81036 trigger.activate(data) 
    81037 File
    81038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81039 packages/chimerax/core/triggerset.py", line 190, in activate 
    81040 ret = handler.invoke(data, self._remove_bad_handlers) 
    81041 File
    81042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81043 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81044 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81045 File
    81046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81047 packages/chimerax/core/session.py", line 943, in <lambda> 
    81048 logger.report_exception(preface=preface)) 
    81049 File
    81050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81051 packages/chimerax/core/logger.py", line 421, in report_exception 
    81052 elif probably_chimera1_session(exc_info): 
    81053 File
    81054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81055 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81056 etype, evalue, etraceback = exc_info 
    81057 TypeError: cannot unpack non-iterable NoneType object 
    81058  
    81059 TypeError: cannot unpack non-iterable NoneType object 
    81060  
    81061 File
    81062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81063 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81064 etype, evalue, etraceback = exc_info 
    81065  
    81066 See log for complete Python traceback. 
    81067  
    81068 Traceback (most recent call last): 
    81069 File
    81070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81071 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81072 return self._func(self._name, data) 
    81073 File
    81074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81075 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81076 if v.display: 
    81077 File
    81078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81079 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81080 return self._any_displayed_positions and len(self._positions) > 0 
    81081 TypeError: object of type 'NoneType' has no len() 
    81082  
    81083 During handling of the above exception, another exception occurred: 
    81084  
    81085 Traceback (most recent call last): 
    81086 File
    81087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81088 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81089 if not self.draw_new_frame(): 
    81090 File
    81091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81092 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81093 changed = view.check_for_drawing_change() 
    81094 File
    81095 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81096 packages/chimerax/core/graphics/view.py", line 252, in
    81097 check_for_drawing_change 
    81098 trig.activate_trigger('graphics update', self) 
    81099 File
    81100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81101 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81102 trigger.activate(data) 
    81103 File
    81104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81105 packages/chimerax/core/triggerset.py", line 190, in activate 
    81106 ret = handler.invoke(data, self._remove_bad_handlers) 
    81107 File
    81108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81109 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81110 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81111 File
    81112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81113 packages/chimerax/core/session.py", line 943, in <lambda> 
    81114 logger.report_exception(preface=preface)) 
    81115 File
    81116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81117 packages/chimerax/core/logger.py", line 421, in report_exception 
    81118 elif probably_chimera1_session(exc_info): 
    81119 File
    81120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81121 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81122 etype, evalue, etraceback = exc_info 
    81123 TypeError: cannot unpack non-iterable NoneType object 
    81124  
    81125 TypeError: cannot unpack non-iterable NoneType object 
    81126  
    81127 File
    81128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81129 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81130 etype, evalue, etraceback = exc_info 
    81131  
    81132 See log for complete Python traceback. 
    81133  
    81134 Traceback (most recent call last): 
    81135 File
    81136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81137 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81138 return self._func(self._name, data) 
    81139 File
    81140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81141 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81142 if v.display: 
    81143 File
    81144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81145 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81146 return self._any_displayed_positions and len(self._positions) > 0 
    81147 TypeError: object of type 'NoneType' has no len() 
    81148  
    81149 During handling of the above exception, another exception occurred: 
    81150  
    81151 Traceback (most recent call last): 
    81152 File
    81153 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81154 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81155 if not self.draw_new_frame(): 
    81156 File
    81157 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81158 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81159 changed = view.check_for_drawing_change() 
    81160 File
    81161 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81162 packages/chimerax/core/graphics/view.py", line 252, in
    81163 check_for_drawing_change 
    81164 trig.activate_trigger('graphics update', self) 
    81165 File
    81166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81167 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81168 trigger.activate(data) 
    81169 File
    81170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81171 packages/chimerax/core/triggerset.py", line 190, in activate 
    81172 ret = handler.invoke(data, self._remove_bad_handlers) 
    81173 File
    81174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81175 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81176 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81177 File
    81178 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81179 packages/chimerax/core/session.py", line 943, in <lambda> 
    81180 logger.report_exception(preface=preface)) 
    81181 File
    81182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81183 packages/chimerax/core/logger.py", line 421, in report_exception 
    81184 elif probably_chimera1_session(exc_info): 
    81185 File
    81186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81187 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81188 etype, evalue, etraceback = exc_info 
    81189 TypeError: cannot unpack non-iterable NoneType object 
    81190  
    81191 TypeError: cannot unpack non-iterable NoneType object 
    81192  
    81193 File
    81194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81195 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81196 etype, evalue, etraceback = exc_info 
    81197  
    81198 See log for complete Python traceback. 
    81199  
    81200 Traceback (most recent call last): 
    81201 File
    81202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81203 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81204 return self._func(self._name, data) 
    81205 File
    81206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81207 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81208 if v.display: 
    81209 File
    81210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81211 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81212 return self._any_displayed_positions and len(self._positions) > 0 
    81213 TypeError: object of type 'NoneType' has no len() 
    81214  
    81215 During handling of the above exception, another exception occurred: 
    81216  
    81217 Traceback (most recent call last): 
    81218 File
    81219 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81220 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81221 if not self.draw_new_frame(): 
    81222 File
    81223 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81224 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81225 changed = view.check_for_drawing_change() 
    81226 File
    81227 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81228 packages/chimerax/core/graphics/view.py", line 252, in
    81229 check_for_drawing_change 
    81230 trig.activate_trigger('graphics update', self) 
    81231 File
    81232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81233 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81234 trigger.activate(data) 
    81235 File
    81236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81237 packages/chimerax/core/triggerset.py", line 190, in activate 
    81238 ret = handler.invoke(data, self._remove_bad_handlers) 
    81239 File
    81240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81241 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81242 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81243 File
    81244 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81245 packages/chimerax/core/session.py", line 943, in <lambda> 
    81246 logger.report_exception(preface=preface)) 
    81247 File
    81248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81249 packages/chimerax/core/logger.py", line 421, in report_exception 
    81250 elif probably_chimera1_session(exc_info): 
    81251 File
    81252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81253 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81254 etype, evalue, etraceback = exc_info 
    81255 TypeError: cannot unpack non-iterable NoneType object 
    81256  
    81257 TypeError: cannot unpack non-iterable NoneType object 
    81258  
    81259 File
    81260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81261 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81262 etype, evalue, etraceback = exc_info 
    81263  
    81264 See log for complete Python traceback. 
    81265  
    81266 Traceback (most recent call last): 
    81267 File
    81268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81269 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81270 return self._func(self._name, data) 
    81271 File
    81272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81273 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81274 if v.display: 
    81275 File
    81276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81277 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81278 return self._any_displayed_positions and len(self._positions) > 0 
    81279 TypeError: object of type 'NoneType' has no len() 
    81280  
    81281 During handling of the above exception, another exception occurred: 
    81282  
    81283 Traceback (most recent call last): 
    81284 File
    81285 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81286 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81287 if not self.draw_new_frame(): 
    81288 File
    81289 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81290 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81291 changed = view.check_for_drawing_change() 
    81292 File
    81293 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81294 packages/chimerax/core/graphics/view.py", line 252, in
    81295 check_for_drawing_change 
    81296 trig.activate_trigger('graphics update', self) 
    81297 File
    81298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81299 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81300 trigger.activate(data) 
    81301 File
    81302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81303 packages/chimerax/core/triggerset.py", line 190, in activate 
    81304 ret = handler.invoke(data, self._remove_bad_handlers) 
    81305 File
    81306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81307 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81308 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81309 File
    81310 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81311 packages/chimerax/core/session.py", line 943, in <lambda> 
    81312 logger.report_exception(preface=preface)) 
    81313 File
    81314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81315 packages/chimerax/core/logger.py", line 421, in report_exception 
    81316 elif probably_chimera1_session(exc_info): 
    81317 File
    81318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81319 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81320 etype, evalue, etraceback = exc_info 
    81321 TypeError: cannot unpack non-iterable NoneType object 
    81322  
    81323 TypeError: cannot unpack non-iterable NoneType object 
    81324  
    81325 File
    81326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81327 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81328 etype, evalue, etraceback = exc_info 
    81329  
    81330 See log for complete Python traceback. 
    81331  
    81332 Traceback (most recent call last): 
    81333 File
    81334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81335 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81336 return self._func(self._name, data) 
    81337 File
    81338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81339 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81340 if v.display: 
    81341 File
    81342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81343 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81344 return self._any_displayed_positions and len(self._positions) > 0 
    81345 TypeError: object of type 'NoneType' has no len() 
    81346  
    81347 During handling of the above exception, another exception occurred: 
    81348  
    81349 Traceback (most recent call last): 
    81350 File
    81351 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81352 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81353 if not self.draw_new_frame(): 
    81354 File
    81355 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81356 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81357 changed = view.check_for_drawing_change() 
    81358 File
    81359 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81360 packages/chimerax/core/graphics/view.py", line 252, in
    81361 check_for_drawing_change 
    81362 trig.activate_trigger('graphics update', self) 
    81363 File
    81364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81365 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81366 trigger.activate(data) 
    81367 File
    81368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81369 packages/chimerax/core/triggerset.py", line 190, in activate 
    81370 ret = handler.invoke(data, self._remove_bad_handlers) 
    81371 File
    81372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81373 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81374 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81375 File
    81376 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81377 packages/chimerax/core/session.py", line 943, in <lambda> 
    81378 logger.report_exception(preface=preface)) 
    81379 File
    81380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81381 packages/chimerax/core/logger.py", line 421, in report_exception 
    81382 elif probably_chimera1_session(exc_info): 
    81383 File
    81384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81385 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81386 etype, evalue, etraceback = exc_info 
    81387 TypeError: cannot unpack non-iterable NoneType object 
    81388  
    81389 TypeError: cannot unpack non-iterable NoneType object 
    81390  
    81391 File
    81392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81393 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81394 etype, evalue, etraceback = exc_info 
    81395  
    81396 See log for complete Python traceback. 
    81397  
    81398 Traceback (most recent call last): 
    81399 File
    81400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81401 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81402 return self._func(self._name, data) 
    81403 File
    81404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81405 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81406 if v.display: 
    81407 File
    81408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81409 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81410 return self._any_displayed_positions and len(self._positions) > 0 
    81411 TypeError: object of type 'NoneType' has no len() 
    81412  
    81413 During handling of the above exception, another exception occurred: 
    81414  
    81415 Traceback (most recent call last): 
    81416 File
    81417 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81418 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81419 if not self.draw_new_frame(): 
    81420 File
    81421 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81422 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81423 changed = view.check_for_drawing_change() 
    81424 File
    81425 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81426 packages/chimerax/core/graphics/view.py", line 252, in
    81427 check_for_drawing_change 
    81428 trig.activate_trigger('graphics update', self) 
    81429 File
    81430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81431 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81432 trigger.activate(data) 
    81433 File
    81434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81435 packages/chimerax/core/triggerset.py", line 190, in activate 
    81436 ret = handler.invoke(data, self._remove_bad_handlers) 
    81437 File
    81438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81439 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81440 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81441 File
    81442 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81443 packages/chimerax/core/session.py", line 943, in <lambda> 
    81444 logger.report_exception(preface=preface)) 
    81445 File
    81446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81447 packages/chimerax/core/logger.py", line 421, in report_exception 
    81448 elif probably_chimera1_session(exc_info): 
    81449 File
    81450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81451 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81452 etype, evalue, etraceback = exc_info 
    81453 TypeError: cannot unpack non-iterable NoneType object 
    81454  
    81455 TypeError: cannot unpack non-iterable NoneType object 
    81456  
    81457 File
    81458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81459 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81460 etype, evalue, etraceback = exc_info 
    81461  
    81462 See log for complete Python traceback. 
    81463  
    81464 Traceback (most recent call last): 
    81465 File
    81466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81467 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81468 return self._func(self._name, data) 
    81469 File
    81470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81471 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81472 if v.display: 
    81473 File
    81474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81475 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81476 return self._any_displayed_positions and len(self._positions) > 0 
    81477 TypeError: object of type 'NoneType' has no len() 
    81478  
    81479 During handling of the above exception, another exception occurred: 
    81480  
    81481 Traceback (most recent call last): 
    81482 File
    81483 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81484 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81485 if not self.draw_new_frame(): 
    81486 File
    81487 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81488 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81489 changed = view.check_for_drawing_change() 
    81490 File
    81491 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81492 packages/chimerax/core/graphics/view.py", line 252, in
    81493 check_for_drawing_change 
    81494 trig.activate_trigger('graphics update', self) 
    81495 File
    81496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81497 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81498 trigger.activate(data) 
    81499 File
    81500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81501 packages/chimerax/core/triggerset.py", line 190, in activate 
    81502 ret = handler.invoke(data, self._remove_bad_handlers) 
    81503 File
    81504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81505 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81506 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81507 File
    81508 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81509 packages/chimerax/core/session.py", line 943, in <lambda> 
    81510 logger.report_exception(preface=preface)) 
    81511 File
    81512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81513 packages/chimerax/core/logger.py", line 421, in report_exception 
    81514 elif probably_chimera1_session(exc_info): 
    81515 File
    81516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81517 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81518 etype, evalue, etraceback = exc_info 
    81519 TypeError: cannot unpack non-iterable NoneType object 
    81520  
    81521 TypeError: cannot unpack non-iterable NoneType object 
    81522  
    81523 File
    81524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81525 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81526 etype, evalue, etraceback = exc_info 
    81527  
    81528 See log for complete Python traceback. 
    81529  
    81530 Traceback (most recent call last): 
    81531 File
    81532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81533 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81534 return self._func(self._name, data) 
    81535 File
    81536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81537 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81538 if v.display: 
    81539 File
    81540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81541 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81542 return self._any_displayed_positions and len(self._positions) > 0 
    81543 TypeError: object of type 'NoneType' has no len() 
    81544  
    81545 During handling of the above exception, another exception occurred: 
    81546  
    81547 Traceback (most recent call last): 
    81548 File
    81549 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81550 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81551 if not self.draw_new_frame(): 
    81552 File
    81553 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81554 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81555 changed = view.check_for_drawing_change() 
    81556 File
    81557 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81558 packages/chimerax/core/graphics/view.py", line 252, in
    81559 check_for_drawing_change 
    81560 trig.activate_trigger('graphics update', self) 
    81561 File
    81562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81563 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81564 trigger.activate(data) 
    81565 File
    81566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81567 packages/chimerax/core/triggerset.py", line 190, in activate 
    81568 ret = handler.invoke(data, self._remove_bad_handlers) 
    81569 File
    81570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81571 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81572 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81573 File
    81574 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81575 packages/chimerax/core/session.py", line 943, in <lambda> 
    81576 logger.report_exception(preface=preface)) 
    81577 File
    81578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81579 packages/chimerax/core/logger.py", line 421, in report_exception 
    81580 elif probably_chimera1_session(exc_info): 
    81581 File
    81582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81583 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81584 etype, evalue, etraceback = exc_info 
    81585 TypeError: cannot unpack non-iterable NoneType object 
    81586  
    81587 TypeError: cannot unpack non-iterable NoneType object 
    81588  
    81589 File
    81590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81591 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81592 etype, evalue, etraceback = exc_info 
    81593  
    81594 See log for complete Python traceback. 
    81595  
    81596 Traceback (most recent call last): 
    81597 File
    81598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81599 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81600 return self._func(self._name, data) 
    81601 File
    81602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81603 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81604 if v.display: 
    81605 File
    81606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81607 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81608 return self._any_displayed_positions and len(self._positions) > 0 
    81609 TypeError: object of type 'NoneType' has no len() 
    81610  
    81611 During handling of the above exception, another exception occurred: 
    81612  
    81613 Traceback (most recent call last): 
    81614 File
    81615 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81616 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81617 if not self.draw_new_frame(): 
    81618 File
    81619 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81620 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81621 changed = view.check_for_drawing_change() 
    81622 File
    81623 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81624 packages/chimerax/core/graphics/view.py", line 252, in
    81625 check_for_drawing_change 
    81626 trig.activate_trigger('graphics update', self) 
    81627 File
    81628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81629 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81630 trigger.activate(data) 
    81631 File
    81632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81633 packages/chimerax/core/triggerset.py", line 190, in activate 
    81634 ret = handler.invoke(data, self._remove_bad_handlers) 
    81635 File
    81636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81637 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81638 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81639 File
    81640 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81641 packages/chimerax/core/session.py", line 943, in <lambda> 
    81642 logger.report_exception(preface=preface)) 
    81643 File
    81644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81645 packages/chimerax/core/logger.py", line 421, in report_exception 
    81646 elif probably_chimera1_session(exc_info): 
    81647 File
    81648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81649 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81650 etype, evalue, etraceback = exc_info 
    81651 TypeError: cannot unpack non-iterable NoneType object 
    81652  
    81653 TypeError: cannot unpack non-iterable NoneType object 
    81654  
    81655 File
    81656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81657 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81658 etype, evalue, etraceback = exc_info 
    81659  
    81660 See log for complete Python traceback. 
    81661  
    81662 Traceback (most recent call last): 
    81663 File
    81664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81665 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81666 return self._func(self._name, data) 
    81667 File
    81668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81669 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81670 if v.display: 
    81671 File
    81672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81673 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81674 return self._any_displayed_positions and len(self._positions) > 0 
    81675 TypeError: object of type 'NoneType' has no len() 
    81676  
    81677 During handling of the above exception, another exception occurred: 
    81678  
    81679 Traceback (most recent call last): 
    81680 File
    81681 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81682 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81683 if not self.draw_new_frame(): 
    81684 File
    81685 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81686 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81687 changed = view.check_for_drawing_change() 
    81688 File
    81689 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81690 packages/chimerax/core/graphics/view.py", line 252, in
    81691 check_for_drawing_change 
    81692 trig.activate_trigger('graphics update', self) 
    81693 File
    81694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81695 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81696 trigger.activate(data) 
    81697 File
    81698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81699 packages/chimerax/core/triggerset.py", line 190, in activate 
    81700 ret = handler.invoke(data, self._remove_bad_handlers) 
    81701 File
    81702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81703 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81704 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81705 File
    81706 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81707 packages/chimerax/core/session.py", line 943, in <lambda> 
    81708 logger.report_exception(preface=preface)) 
    81709 File
    81710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81711 packages/chimerax/core/logger.py", line 421, in report_exception 
    81712 elif probably_chimera1_session(exc_info): 
    81713 File
    81714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81715 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81716 etype, evalue, etraceback = exc_info 
    81717 TypeError: cannot unpack non-iterable NoneType object 
    81718  
    81719 TypeError: cannot unpack non-iterable NoneType object 
    81720  
    81721 File
    81722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81723 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81724 etype, evalue, etraceback = exc_info 
    81725  
    81726 See log for complete Python traceback. 
    81727  
    81728 Traceback (most recent call last): 
    81729 File
    81730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81731 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81732 return self._func(self._name, data) 
    81733 File
    81734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81735 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81736 if v.display: 
    81737 File
    81738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81739 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81740 return self._any_displayed_positions and len(self._positions) > 0 
    81741 TypeError: object of type 'NoneType' has no len() 
    81742  
    81743 During handling of the above exception, another exception occurred: 
    81744  
    81745 Traceback (most recent call last): 
    81746 File
    81747 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81748 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81749 if not self.draw_new_frame(): 
    81750 File
    81751 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81752 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81753 changed = view.check_for_drawing_change() 
    81754 File
    81755 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81756 packages/chimerax/core/graphics/view.py", line 252, in
    81757 check_for_drawing_change 
    81758 trig.activate_trigger('graphics update', self) 
    81759 File
    81760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81761 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81762 trigger.activate(data) 
    81763 File
    81764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81765 packages/chimerax/core/triggerset.py", line 190, in activate 
    81766 ret = handler.invoke(data, self._remove_bad_handlers) 
    81767 File
    81768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81769 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81770 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81771 File
    81772 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81773 packages/chimerax/core/session.py", line 943, in <lambda> 
    81774 logger.report_exception(preface=preface)) 
    81775 File
    81776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81777 packages/chimerax/core/logger.py", line 421, in report_exception 
    81778 elif probably_chimera1_session(exc_info): 
    81779 File
    81780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81781 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81782 etype, evalue, etraceback = exc_info 
    81783 TypeError: cannot unpack non-iterable NoneType object 
    81784  
    81785 TypeError: cannot unpack non-iterable NoneType object 
    81786  
    81787 File
    81788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81789 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81790 etype, evalue, etraceback = exc_info 
    81791  
    81792 See log for complete Python traceback. 
    81793  
    81794 Traceback (most recent call last): 
    81795 File
    81796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81797 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81798 return self._func(self._name, data) 
    81799 File
    81800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81801 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81802 if v.display: 
    81803 File
    81804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81805 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81806 return self._any_displayed_positions and len(self._positions) > 0 
    81807 TypeError: object of type 'NoneType' has no len() 
    81808  
    81809 During handling of the above exception, another exception occurred: 
    81810  
    81811 Traceback (most recent call last): 
    81812 File
    81813 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81814 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81815 if not self.draw_new_frame(): 
    81816 File
    81817 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81818 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81819 changed = view.check_for_drawing_change() 
    81820 File
    81821 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81822 packages/chimerax/core/graphics/view.py", line 252, in
    81823 check_for_drawing_change 
    81824 trig.activate_trigger('graphics update', self) 
    81825 File
    81826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81827 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81828 trigger.activate(data) 
    81829 File
    81830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81831 packages/chimerax/core/triggerset.py", line 190, in activate 
    81832 ret = handler.invoke(data, self._remove_bad_handlers) 
    81833 File
    81834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81835 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81836 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81837 File
    81838 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81839 packages/chimerax/core/session.py", line 943, in <lambda> 
    81840 logger.report_exception(preface=preface)) 
    81841 File
    81842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81843 packages/chimerax/core/logger.py", line 421, in report_exception 
    81844 elif probably_chimera1_session(exc_info): 
    81845 File
    81846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81847 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81848 etype, evalue, etraceback = exc_info 
    81849 TypeError: cannot unpack non-iterable NoneType object 
    81850  
    81851 TypeError: cannot unpack non-iterable NoneType object 
    81852  
    81853 File
    81854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81855 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81856 etype, evalue, etraceback = exc_info 
    81857  
    81858 See log for complete Python traceback. 
    81859  
    81860 Traceback (most recent call last): 
    81861 File
    81862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81863 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81864 return self._func(self._name, data) 
    81865 File
    81866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81867 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81868 if v.display: 
    81869 File
    81870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81871 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81872 return self._any_displayed_positions and len(self._positions) > 0 
    81873 TypeError: object of type 'NoneType' has no len() 
    81874  
    81875 During handling of the above exception, another exception occurred: 
    81876  
    81877 Traceback (most recent call last): 
    81878 File
    81879 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81880 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81881 if not self.draw_new_frame(): 
    81882 File
    81883 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81884 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81885 changed = view.check_for_drawing_change() 
    81886 File
    81887 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81888 packages/chimerax/core/graphics/view.py", line 252, in
    81889 check_for_drawing_change 
    81890 trig.activate_trigger('graphics update', self) 
    81891 File
    81892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81893 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81894 trigger.activate(data) 
    81895 File
    81896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81897 packages/chimerax/core/triggerset.py", line 190, in activate 
    81898 ret = handler.invoke(data, self._remove_bad_handlers) 
    81899 File
    81900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81901 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81902 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81903 File
    81904 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81905 packages/chimerax/core/session.py", line 943, in <lambda> 
    81906 logger.report_exception(preface=preface)) 
    81907 File
    81908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81909 packages/chimerax/core/logger.py", line 421, in report_exception 
    81910 elif probably_chimera1_session(exc_info): 
    81911 File
    81912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81913 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81914 etype, evalue, etraceback = exc_info 
    81915 TypeError: cannot unpack non-iterable NoneType object 
    81916  
    81917 TypeError: cannot unpack non-iterable NoneType object 
    81918  
    81919 File
    81920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81921 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81922 etype, evalue, etraceback = exc_info 
    81923  
    81924 See log for complete Python traceback. 
    81925  
    81926 Traceback (most recent call last): 
    81927 File
    81928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81929 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81930 return self._func(self._name, data) 
    81931 File
    81932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81933 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    81934 if v.display: 
    81935 File
    81936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81937 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    81938 return self._any_displayed_positions and len(self._positions) > 0 
    81939 TypeError: object of type 'NoneType' has no len() 
    81940  
    81941 During handling of the above exception, another exception occurred: 
    81942  
    81943 Traceback (most recent call last): 
    81944 File
    81945 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81946 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    81947 if not self.draw_new_frame(): 
    81948 File
    81949 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81950 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    81951 changed = view.check_for_drawing_change() 
    81952 File
    81953 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81954 packages/chimerax/core/graphics/view.py", line 252, in
    81955 check_for_drawing_change 
    81956 trig.activate_trigger('graphics update', self) 
    81957 File
    81958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81959 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    81960 trigger.activate(data) 
    81961 File
    81962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81963 packages/chimerax/core/triggerset.py", line 190, in activate 
    81964 ret = handler.invoke(data, self._remove_bad_handlers) 
    81965 File
    81966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81967 packages/chimerax/core/triggerset.py", line 132, in invoke 
    81968 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    81969 File
    81970 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81971 packages/chimerax/core/session.py", line 943, in <lambda> 
    81972 logger.report_exception(preface=preface)) 
    81973 File
    81974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81975 packages/chimerax/core/logger.py", line 421, in report_exception 
    81976 elif probably_chimera1_session(exc_info): 
    81977 File
    81978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81979 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81980 etype, evalue, etraceback = exc_info 
    81981 TypeError: cannot unpack non-iterable NoneType object 
    81982  
    81983 TypeError: cannot unpack non-iterable NoneType object 
    81984  
    81985 File
    81986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81987 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    81988 etype, evalue, etraceback = exc_info 
    81989  
    81990 See log for complete Python traceback. 
    81991  
    81992 Traceback (most recent call last): 
    81993 File
    81994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81995 packages/chimerax/core/triggerset.py", line 130, in invoke 
    81996 return self._func(self._name, data) 
    81997 File
    81998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    81999 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82000 if v.display: 
    82001 File
    82002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82003 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82004 return self._any_displayed_positions and len(self._positions) > 0 
    82005 TypeError: object of type 'NoneType' has no len() 
    82006  
    82007 During handling of the above exception, another exception occurred: 
    82008  
    82009 Traceback (most recent call last): 
    82010 File
    82011 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82012 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82013 if not self.draw_new_frame(): 
    82014 File
    82015 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82016 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82017 changed = view.check_for_drawing_change() 
    82018 File
    82019 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82020 packages/chimerax/core/graphics/view.py", line 252, in
    82021 check_for_drawing_change 
    82022 trig.activate_trigger('graphics update', self) 
    82023 File
    82024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82025 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82026 trigger.activate(data) 
    82027 File
    82028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82029 packages/chimerax/core/triggerset.py", line 190, in activate 
    82030 ret = handler.invoke(data, self._remove_bad_handlers) 
    82031 File
    82032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82033 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82034 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82035 File
    82036 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82037 packages/chimerax/core/session.py", line 943, in <lambda> 
    82038 logger.report_exception(preface=preface)) 
    82039 File
    82040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82041 packages/chimerax/core/logger.py", line 421, in report_exception 
    82042 elif probably_chimera1_session(exc_info): 
    82043 File
    82044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82045 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82046 etype, evalue, etraceback = exc_info 
    82047 TypeError: cannot unpack non-iterable NoneType object 
    82048  
    82049 TypeError: cannot unpack non-iterable NoneType object 
    82050  
    82051 File
    82052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82053 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82054 etype, evalue, etraceback = exc_info 
    82055  
    82056 See log for complete Python traceback. 
    82057  
    82058 Traceback (most recent call last): 
    82059 File
    82060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82061 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82062 return self._func(self._name, data) 
    82063 File
    82064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82065 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82066 if v.display: 
    82067 File
    82068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82069 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82070 return self._any_displayed_positions and len(self._positions) > 0 
    82071 TypeError: object of type 'NoneType' has no len() 
    82072  
    82073 During handling of the above exception, another exception occurred: 
    82074  
    82075 Traceback (most recent call last): 
    82076 File
    82077 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82078 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82079 if not self.draw_new_frame(): 
    82080 File
    82081 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82082 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82083 changed = view.check_for_drawing_change() 
    82084 File
    82085 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82086 packages/chimerax/core/graphics/view.py", line 252, in
    82087 check_for_drawing_change 
    82088 trig.activate_trigger('graphics update', self) 
    82089 File
    82090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82091 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82092 trigger.activate(data) 
    82093 File
    82094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82095 packages/chimerax/core/triggerset.py", line 190, in activate 
    82096 ret = handler.invoke(data, self._remove_bad_handlers) 
    82097 File
    82098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82099 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82100 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82101 File
    82102 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82103 packages/chimerax/core/session.py", line 943, in <lambda> 
    82104 logger.report_exception(preface=preface)) 
    82105 File
    82106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82107 packages/chimerax/core/logger.py", line 421, in report_exception 
    82108 elif probably_chimera1_session(exc_info): 
    82109 File
    82110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82111 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82112 etype, evalue, etraceback = exc_info 
    82113 TypeError: cannot unpack non-iterable NoneType object 
    82114  
    82115 TypeError: cannot unpack non-iterable NoneType object 
    82116  
    82117 File
    82118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82119 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82120 etype, evalue, etraceback = exc_info 
    82121  
    82122 See log for complete Python traceback. 
    82123  
    82124 Traceback (most recent call last): 
    82125 File
    82126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82127 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82128 return self._func(self._name, data) 
    82129 File
    82130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82131 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82132 if v.display: 
    82133 File
    82134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82135 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82136 return self._any_displayed_positions and len(self._positions) > 0 
    82137 TypeError: object of type 'NoneType' has no len() 
    82138  
    82139 During handling of the above exception, another exception occurred: 
    82140  
    82141 Traceback (most recent call last): 
    82142 File
    82143 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82144 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82145 if not self.draw_new_frame(): 
    82146 File
    82147 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82148 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82149 changed = view.check_for_drawing_change() 
    82150 File
    82151 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82152 packages/chimerax/core/graphics/view.py", line 252, in
    82153 check_for_drawing_change 
    82154 trig.activate_trigger('graphics update', self) 
    82155 File
    82156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82157 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82158 trigger.activate(data) 
    82159 File
    82160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82161 packages/chimerax/core/triggerset.py", line 190, in activate 
    82162 ret = handler.invoke(data, self._remove_bad_handlers) 
    82163 File
    82164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82165 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82166 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82167 File
    82168 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82169 packages/chimerax/core/session.py", line 943, in <lambda> 
    82170 logger.report_exception(preface=preface)) 
    82171 File
    82172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82173 packages/chimerax/core/logger.py", line 421, in report_exception 
    82174 elif probably_chimera1_session(exc_info): 
    82175 File
    82176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82177 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82178 etype, evalue, etraceback = exc_info 
    82179 TypeError: cannot unpack non-iterable NoneType object 
    82180  
    82181 TypeError: cannot unpack non-iterable NoneType object 
    82182  
    82183 File
    82184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82185 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82186 etype, evalue, etraceback = exc_info 
    82187  
    82188 See log for complete Python traceback. 
    82189  
    82190 Traceback (most recent call last): 
    82191 File
    82192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82194 return self._func(self._name, data) 
    82195 File
    82196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82197 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82198 if v.display: 
    82199 File
    82200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82201 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82202 return self._any_displayed_positions and len(self._positions) > 0 
    82203 TypeError: object of type 'NoneType' has no len() 
    82204  
    82205 During handling of the above exception, another exception occurred: 
    82206  
    82207 Traceback (most recent call last): 
    82208 File
    82209 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82210 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82211 if not self.draw_new_frame(): 
    82212 File
    82213 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82214 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82215 changed = view.check_for_drawing_change() 
    82216 File
    82217 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82218 packages/chimerax/core/graphics/view.py", line 252, in
    82219 check_for_drawing_change 
    82220 trig.activate_trigger('graphics update', self) 
    82221 File
    82222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82223 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82224 trigger.activate(data) 
    82225 File
    82226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82227 packages/chimerax/core/triggerset.py", line 190, in activate 
    82228 ret = handler.invoke(data, self._remove_bad_handlers) 
    82229 File
    82230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82231 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82232 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82233 File
    82234 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82235 packages/chimerax/core/session.py", line 943, in <lambda> 
    82236 logger.report_exception(preface=preface)) 
    82237 File
    82238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82239 packages/chimerax/core/logger.py", line 421, in report_exception 
    82240 elif probably_chimera1_session(exc_info): 
    82241 File
    82242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82243 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82244 etype, evalue, etraceback = exc_info 
    82245 TypeError: cannot unpack non-iterable NoneType object 
    82246  
    82247 TypeError: cannot unpack non-iterable NoneType object 
    82248  
    82249 File
    82250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82251 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82252 etype, evalue, etraceback = exc_info 
    82253  
    82254 See log for complete Python traceback. 
    82255  
    82256 Traceback (most recent call last): 
    82257 File
    82258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82259 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82260 return self._func(self._name, data) 
    82261 File
    82262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82263 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82264 if v.display: 
    82265 File
    82266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82267 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82268 return self._any_displayed_positions and len(self._positions) > 0 
    82269 TypeError: object of type 'NoneType' has no len() 
    82270  
    82271 During handling of the above exception, another exception occurred: 
    82272  
    82273 Traceback (most recent call last): 
    82274 File
    82275 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82276 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82277 if not self.draw_new_frame(): 
    82278 File
    82279 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82280 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82281 changed = view.check_for_drawing_change() 
    82282 File
    82283 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82284 packages/chimerax/core/graphics/view.py", line 252, in
    82285 check_for_drawing_change 
    82286 trig.activate_trigger('graphics update', self) 
    82287 File
    82288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82289 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82290 trigger.activate(data) 
    82291 File
    82292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82293 packages/chimerax/core/triggerset.py", line 190, in activate 
    82294 ret = handler.invoke(data, self._remove_bad_handlers) 
    82295 File
    82296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82297 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82298 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82299 File
    82300 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82301 packages/chimerax/core/session.py", line 943, in <lambda> 
    82302 logger.report_exception(preface=preface)) 
    82303 File
    82304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82305 packages/chimerax/core/logger.py", line 421, in report_exception 
    82306 elif probably_chimera1_session(exc_info): 
    82307 File
    82308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82309 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82310 etype, evalue, etraceback = exc_info 
    82311 TypeError: cannot unpack non-iterable NoneType object 
    82312  
    82313 TypeError: cannot unpack non-iterable NoneType object 
    82314  
    82315 File
    82316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82317 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82318 etype, evalue, etraceback = exc_info 
    82319  
    82320 See log for complete Python traceback. 
    82321  
    82322 Traceback (most recent call last): 
    82323 File
    82324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82325 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82326 return self._func(self._name, data) 
    82327 File
    82328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82329 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82330 if v.display: 
    82331 File
    82332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82333 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82334 return self._any_displayed_positions and len(self._positions) > 0 
    82335 TypeError: object of type 'NoneType' has no len() 
    82336  
    82337 During handling of the above exception, another exception occurred: 
    82338  
    82339 Traceback (most recent call last): 
    82340 File
    82341 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82342 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82343 if not self.draw_new_frame(): 
    82344 File
    82345 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82346 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82347 changed = view.check_for_drawing_change() 
    82348 File
    82349 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82350 packages/chimerax/core/graphics/view.py", line 252, in
    82351 check_for_drawing_change 
    82352 trig.activate_trigger('graphics update', self) 
    82353 File
    82354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82355 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82356 trigger.activate(data) 
    82357 File
    82358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82359 packages/chimerax/core/triggerset.py", line 190, in activate 
    82360 ret = handler.invoke(data, self._remove_bad_handlers) 
    82361 File
    82362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82363 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82364 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82365 File
    82366 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82367 packages/chimerax/core/session.py", line 943, in <lambda> 
    82368 logger.report_exception(preface=preface)) 
    82369 File
    82370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82371 packages/chimerax/core/logger.py", line 421, in report_exception 
    82372 elif probably_chimera1_session(exc_info): 
    82373 File
    82374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82375 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82376 etype, evalue, etraceback = exc_info 
    82377 TypeError: cannot unpack non-iterable NoneType object 
    82378  
    82379 TypeError: cannot unpack non-iterable NoneType object 
    82380  
    82381 File
    82382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82383 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82384 etype, evalue, etraceback = exc_info 
    82385  
    82386 See log for complete Python traceback. 
    82387  
    82388 Traceback (most recent call last): 
    82389 File
    82390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82391 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82392 return self._func(self._name, data) 
    82393 File
    82394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82395 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82396 if v.display: 
    82397 File
    82398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82399 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82400 return self._any_displayed_positions and len(self._positions) > 0 
    82401 TypeError: object of type 'NoneType' has no len() 
    82402  
    82403 During handling of the above exception, another exception occurred: 
    82404  
    82405 Traceback (most recent call last): 
    82406 File
    82407 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82408 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82409 if not self.draw_new_frame(): 
    82410 File
    82411 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82412 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82413 changed = view.check_for_drawing_change() 
    82414 File
    82415 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82416 packages/chimerax/core/graphics/view.py", line 252, in
    82417 check_for_drawing_change 
    82418 trig.activate_trigger('graphics update', self) 
    82419 File
    82420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82421 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82422 trigger.activate(data) 
    82423 File
    82424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82425 packages/chimerax/core/triggerset.py", line 190, in activate 
    82426 ret = handler.invoke(data, self._remove_bad_handlers) 
    82427 File
    82428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82429 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82430 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82431 File
    82432 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82433 packages/chimerax/core/session.py", line 943, in <lambda> 
    82434 logger.report_exception(preface=preface)) 
    82435 File
    82436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82437 packages/chimerax/core/logger.py", line 421, in report_exception 
    82438 elif probably_chimera1_session(exc_info): 
    82439 File
    82440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82441 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82442 etype, evalue, etraceback = exc_info 
    82443 TypeError: cannot unpack non-iterable NoneType object 
    82444  
    82445 TypeError: cannot unpack non-iterable NoneType object 
    82446  
    82447 File
    82448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82449 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82450 etype, evalue, etraceback = exc_info 
    82451  
    82452 See log for complete Python traceback. 
    82453  
    82454 Traceback (most recent call last): 
    82455 File
    82456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82457 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82458 return self._func(self._name, data) 
    82459 File
    82460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82461 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82462 if v.display: 
    82463 File
    82464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82465 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82466 return self._any_displayed_positions and len(self._positions) > 0 
    82467 TypeError: object of type 'NoneType' has no len() 
    82468  
    82469 During handling of the above exception, another exception occurred: 
    82470  
    82471 Traceback (most recent call last): 
    82472 File
    82473 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82474 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82475 if not self.draw_new_frame(): 
    82476 File
    82477 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82478 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82479 changed = view.check_for_drawing_change() 
    82480 File
    82481 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82482 packages/chimerax/core/graphics/view.py", line 252, in
    82483 check_for_drawing_change 
    82484 trig.activate_trigger('graphics update', self) 
    82485 File
    82486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82487 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82488 trigger.activate(data) 
    82489 File
    82490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82491 packages/chimerax/core/triggerset.py", line 190, in activate 
    82492 ret = handler.invoke(data, self._remove_bad_handlers) 
    82493 File
    82494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82495 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82496 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82497 File
    82498 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82499 packages/chimerax/core/session.py", line 943, in <lambda> 
    82500 logger.report_exception(preface=preface)) 
    82501 File
    82502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82503 packages/chimerax/core/logger.py", line 421, in report_exception 
    82504 elif probably_chimera1_session(exc_info): 
    82505 File
    82506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82507 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82508 etype, evalue, etraceback = exc_info 
    82509 TypeError: cannot unpack non-iterable NoneType object 
    82510  
    82511 TypeError: cannot unpack non-iterable NoneType object 
    82512  
    82513 File
    82514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82515 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82516 etype, evalue, etraceback = exc_info 
    82517  
    82518 See log for complete Python traceback. 
    82519  
    82520 Traceback (most recent call last): 
    82521 File
    82522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82523 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82524 return self._func(self._name, data) 
    82525 File
    82526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82527 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82528 if v.display: 
    82529 File
    82530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82531 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82532 return self._any_displayed_positions and len(self._positions) > 0 
    82533 TypeError: object of type 'NoneType' has no len() 
    82534  
    82535 During handling of the above exception, another exception occurred: 
    82536  
    82537 Traceback (most recent call last): 
    82538 File
    82539 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82540 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82541 if not self.draw_new_frame(): 
    82542 File
    82543 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82544 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82545 changed = view.check_for_drawing_change() 
    82546 File
    82547 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82548 packages/chimerax/core/graphics/view.py", line 252, in
    82549 check_for_drawing_change 
    82550 trig.activate_trigger('graphics update', self) 
    82551 File
    82552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82553 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82554 trigger.activate(data) 
    82555 File
    82556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82557 packages/chimerax/core/triggerset.py", line 190, in activate 
    82558 ret = handler.invoke(data, self._remove_bad_handlers) 
    82559 File
    82560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82561 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82562 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82563 File
    82564 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82565 packages/chimerax/core/session.py", line 943, in <lambda> 
    82566 logger.report_exception(preface=preface)) 
    82567 File
    82568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82569 packages/chimerax/core/logger.py", line 421, in report_exception 
    82570 elif probably_chimera1_session(exc_info): 
    82571 File
    82572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82573 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82574 etype, evalue, etraceback = exc_info 
    82575 TypeError: cannot unpack non-iterable NoneType object 
    82576  
    82577 TypeError: cannot unpack non-iterable NoneType object 
    82578  
    82579 File
    82580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82581 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82582 etype, evalue, etraceback = exc_info 
    82583  
    82584 See log for complete Python traceback. 
    82585  
    82586 Traceback (most recent call last): 
    82587 File
    82588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82589 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82590 return self._func(self._name, data) 
    82591 File
    82592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82593 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82594 if v.display: 
    82595 File
    82596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82597 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82598 return self._any_displayed_positions and len(self._positions) > 0 
    82599 TypeError: object of type 'NoneType' has no len() 
    82600  
    82601 During handling of the above exception, another exception occurred: 
    82602  
    82603 Traceback (most recent call last): 
    82604 File
    82605 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82606 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82607 if not self.draw_new_frame(): 
    82608 File
    82609 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82610 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82611 changed = view.check_for_drawing_change() 
    82612 File
    82613 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82614 packages/chimerax/core/graphics/view.py", line 252, in
    82615 check_for_drawing_change 
    82616 trig.activate_trigger('graphics update', self) 
    82617 File
    82618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82619 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82620 trigger.activate(data) 
    82621 File
    82622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82623 packages/chimerax/core/triggerset.py", line 190, in activate 
    82624 ret = handler.invoke(data, self._remove_bad_handlers) 
    82625 File
    82626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82627 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82628 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82629 File
    82630 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82631 packages/chimerax/core/session.py", line 943, in <lambda> 
    82632 logger.report_exception(preface=preface)) 
    82633 File
    82634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82635 packages/chimerax/core/logger.py", line 421, in report_exception 
    82636 elif probably_chimera1_session(exc_info): 
    82637 File
    82638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82639 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82640 etype, evalue, etraceback = exc_info 
    82641 TypeError: cannot unpack non-iterable NoneType object 
    82642  
    82643 TypeError: cannot unpack non-iterable NoneType object 
    82644  
    82645 File
    82646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82647 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82648 etype, evalue, etraceback = exc_info 
    82649  
    82650 See log for complete Python traceback. 
    82651  
    82652 Traceback (most recent call last): 
    82653 File
    82654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82655 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82656 return self._func(self._name, data) 
    82657 File
    82658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82659 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82660 if v.display: 
    82661 File
    82662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82663 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82664 return self._any_displayed_positions and len(self._positions) > 0 
    82665 TypeError: object of type 'NoneType' has no len() 
    82666  
    82667 During handling of the above exception, another exception occurred: 
    82668  
    82669 Traceback (most recent call last): 
    82670 File
    82671 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82672 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82673 if not self.draw_new_frame(): 
    82674 File
    82675 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82676 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82677 changed = view.check_for_drawing_change() 
    82678 File
    82679 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82680 packages/chimerax/core/graphics/view.py", line 252, in
    82681 check_for_drawing_change 
    82682 trig.activate_trigger('graphics update', self) 
    82683 File
    82684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82685 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82686 trigger.activate(data) 
    82687 File
    82688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82689 packages/chimerax/core/triggerset.py", line 190, in activate 
    82690 ret = handler.invoke(data, self._remove_bad_handlers) 
    82691 File
    82692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82693 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82694 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82695 File
    82696 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82697 packages/chimerax/core/session.py", line 943, in <lambda> 
    82698 logger.report_exception(preface=preface)) 
    82699 File
    82700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82701 packages/chimerax/core/logger.py", line 421, in report_exception 
    82702 elif probably_chimera1_session(exc_info): 
    82703 File
    82704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82705 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82706 etype, evalue, etraceback = exc_info 
    82707 TypeError: cannot unpack non-iterable NoneType object 
    82708  
    82709 TypeError: cannot unpack non-iterable NoneType object 
    82710  
    82711 File
    82712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82713 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82714 etype, evalue, etraceback = exc_info 
    82715  
    82716 See log for complete Python traceback. 
    82717  
    82718 Traceback (most recent call last): 
    82719 File
    82720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82721 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82722 return self._func(self._name, data) 
    82723 File
    82724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82725 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82726 if v.display: 
    82727 File
    82728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82729 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82730 return self._any_displayed_positions and len(self._positions) > 0 
    82731 TypeError: object of type 'NoneType' has no len() 
    82732  
    82733 During handling of the above exception, another exception occurred: 
    82734  
    82735 Traceback (most recent call last): 
    82736 File
    82737 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82738 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82739 if not self.draw_new_frame(): 
    82740 File
    82741 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82742 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82743 changed = view.check_for_drawing_change() 
    82744 File
    82745 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82746 packages/chimerax/core/graphics/view.py", line 252, in
    82747 check_for_drawing_change 
    82748 trig.activate_trigger('graphics update', self) 
    82749 File
    82750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82751 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82752 trigger.activate(data) 
    82753 File
    82754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82755 packages/chimerax/core/triggerset.py", line 190, in activate 
    82756 ret = handler.invoke(data, self._remove_bad_handlers) 
    82757 File
    82758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82759 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82760 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82761 File
    82762 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82763 packages/chimerax/core/session.py", line 943, in <lambda> 
    82764 logger.report_exception(preface=preface)) 
    82765 File
    82766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82767 packages/chimerax/core/logger.py", line 421, in report_exception 
    82768 elif probably_chimera1_session(exc_info): 
    82769 File
    82770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82771 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82772 etype, evalue, etraceback = exc_info 
    82773 TypeError: cannot unpack non-iterable NoneType object 
    82774  
    82775 TypeError: cannot unpack non-iterable NoneType object 
    82776  
    82777 File
    82778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82779 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82780 etype, evalue, etraceback = exc_info 
    82781  
    82782 See log for complete Python traceback. 
    82783  
    82784 Traceback (most recent call last): 
    82785 File
    82786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82787 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82788 return self._func(self._name, data) 
    82789 File
    82790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82791 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82792 if v.display: 
    82793 File
    82794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82795 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82796 return self._any_displayed_positions and len(self._positions) > 0 
    82797 TypeError: object of type 'NoneType' has no len() 
    82798  
    82799 During handling of the above exception, another exception occurred: 
    82800  
    82801 Traceback (most recent call last): 
    82802 File
    82803 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82804 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82805 if not self.draw_new_frame(): 
    82806 File
    82807 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82808 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82809 changed = view.check_for_drawing_change() 
    82810 File
    82811 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82812 packages/chimerax/core/graphics/view.py", line 252, in
    82813 check_for_drawing_change 
    82814 trig.activate_trigger('graphics update', self) 
    82815 File
    82816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82817 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82818 trigger.activate(data) 
    82819 File
    82820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82821 packages/chimerax/core/triggerset.py", line 190, in activate 
    82822 ret = handler.invoke(data, self._remove_bad_handlers) 
    82823 File
    82824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82825 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82826 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82827 File
    82828 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82829 packages/chimerax/core/session.py", line 943, in <lambda> 
    82830 logger.report_exception(preface=preface)) 
    82831 File
    82832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82833 packages/chimerax/core/logger.py", line 421, in report_exception 
    82834 elif probably_chimera1_session(exc_info): 
    82835 File
    82836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82837 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82838 etype, evalue, etraceback = exc_info 
    82839 TypeError: cannot unpack non-iterable NoneType object 
    82840  
    82841 TypeError: cannot unpack non-iterable NoneType object 
    82842  
    82843 File
    82844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82845 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82846 etype, evalue, etraceback = exc_info 
    82847  
    82848 See log for complete Python traceback. 
    82849  
    82850 Traceback (most recent call last): 
    82851 File
    82852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82853 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82854 return self._func(self._name, data) 
    82855 File
    82856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82857 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82858 if v.display: 
    82859 File
    82860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82861 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82862 return self._any_displayed_positions and len(self._positions) > 0 
    82863 TypeError: object of type 'NoneType' has no len() 
    82864  
    82865 During handling of the above exception, another exception occurred: 
    82866  
    82867 Traceback (most recent call last): 
    82868 File
    82869 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82870 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82871 if not self.draw_new_frame(): 
    82872 File
    82873 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82874 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82875 changed = view.check_for_drawing_change() 
    82876 File
    82877 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82878 packages/chimerax/core/graphics/view.py", line 252, in
    82879 check_for_drawing_change 
    82880 trig.activate_trigger('graphics update', self) 
    82881 File
    82882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82883 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82884 trigger.activate(data) 
    82885 File
    82886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82887 packages/chimerax/core/triggerset.py", line 190, in activate 
    82888 ret = handler.invoke(data, self._remove_bad_handlers) 
    82889 File
    82890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82891 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82892 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82893 File
    82894 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82895 packages/chimerax/core/session.py", line 943, in <lambda> 
    82896 logger.report_exception(preface=preface)) 
    82897 File
    82898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82899 packages/chimerax/core/logger.py", line 421, in report_exception 
    82900 elif probably_chimera1_session(exc_info): 
    82901 File
    82902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82903 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82904 etype, evalue, etraceback = exc_info 
    82905 TypeError: cannot unpack non-iterable NoneType object 
    82906  
    82907 TypeError: cannot unpack non-iterable NoneType object 
    82908  
    82909 File
    82910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82911 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82912 etype, evalue, etraceback = exc_info 
    82913  
    82914 See log for complete Python traceback. 
    82915  
    82916 Traceback (most recent call last): 
    82917 File
    82918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82919 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82920 return self._func(self._name, data) 
    82921 File
    82922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82923 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82924 if v.display: 
    82925 File
    82926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82927 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82928 return self._any_displayed_positions and len(self._positions) > 0 
    82929 TypeError: object of type 'NoneType' has no len() 
    82930  
    82931 During handling of the above exception, another exception occurred: 
    82932  
    82933 Traceback (most recent call last): 
    82934 File
    82935 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82936 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    82937 if not self.draw_new_frame(): 
    82938 File
    82939 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82940 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    82941 changed = view.check_for_drawing_change() 
    82942 File
    82943 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82944 packages/chimerax/core/graphics/view.py", line 252, in
    82945 check_for_drawing_change 
    82946 trig.activate_trigger('graphics update', self) 
    82947 File
    82948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82949 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    82950 trigger.activate(data) 
    82951 File
    82952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82953 packages/chimerax/core/triggerset.py", line 190, in activate 
    82954 ret = handler.invoke(data, self._remove_bad_handlers) 
    82955 File
    82956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82957 packages/chimerax/core/triggerset.py", line 132, in invoke 
    82958 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    82959 File
    82960 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82961 packages/chimerax/core/session.py", line 943, in <lambda> 
    82962 logger.report_exception(preface=preface)) 
    82963 File
    82964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82965 packages/chimerax/core/logger.py", line 421, in report_exception 
    82966 elif probably_chimera1_session(exc_info): 
    82967 File
    82968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82969 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82970 etype, evalue, etraceback = exc_info 
    82971 TypeError: cannot unpack non-iterable NoneType object 
    82972  
    82973 TypeError: cannot unpack non-iterable NoneType object 
    82974  
    82975 File
    82976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82977 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    82978 etype, evalue, etraceback = exc_info 
    82979  
    82980 See log for complete Python traceback. 
    82981  
    82982 Traceback (most recent call last): 
    82983 File
    82984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82985 packages/chimerax/core/triggerset.py", line 130, in invoke 
    82986 return self._func(self._name, data) 
    82987 File
    82988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82989 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    82990 if v.display: 
    82991 File
    82992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    82993 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    82994 return self._any_displayed_positions and len(self._positions) > 0 
    82995 TypeError: object of type 'NoneType' has no len() 
    82996  
    82997 During handling of the above exception, another exception occurred: 
    82998  
    82999 Traceback (most recent call last): 
    83000 File
    83001 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83002 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83003 if not self.draw_new_frame(): 
    83004 File
    83005 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83006 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83007 changed = view.check_for_drawing_change() 
    83008 File
    83009 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83010 packages/chimerax/core/graphics/view.py", line 252, in
    83011 check_for_drawing_change 
    83012 trig.activate_trigger('graphics update', self) 
    83013 File
    83014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83015 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83016 trigger.activate(data) 
    83017 File
    83018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83019 packages/chimerax/core/triggerset.py", line 190, in activate 
    83020 ret = handler.invoke(data, self._remove_bad_handlers) 
    83021 File
    83022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83023 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83024 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83025 File
    83026 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83027 packages/chimerax/core/session.py", line 943, in <lambda> 
    83028 logger.report_exception(preface=preface)) 
    83029 File
    83030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83031 packages/chimerax/core/logger.py", line 421, in report_exception 
    83032 elif probably_chimera1_session(exc_info): 
    83033 File
    83034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83035 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83036 etype, evalue, etraceback = exc_info 
    83037 TypeError: cannot unpack non-iterable NoneType object 
    83038  
    83039 TypeError: cannot unpack non-iterable NoneType object 
    83040  
    83041 File
    83042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83043 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83044 etype, evalue, etraceback = exc_info 
    83045  
    83046 See log for complete Python traceback. 
    83047  
    83048 Traceback (most recent call last): 
    83049 File
    83050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83051 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83052 return self._func(self._name, data) 
    83053 File
    83054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83055 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83056 if v.display: 
    83057 File
    83058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83059 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83060 return self._any_displayed_positions and len(self._positions) > 0 
    83061 TypeError: object of type 'NoneType' has no len() 
    83062  
    83063 During handling of the above exception, another exception occurred: 
    83064  
    83065 Traceback (most recent call last): 
    83066 File
    83067 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83068 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83069 if not self.draw_new_frame(): 
    83070 File
    83071 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83072 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83073 changed = view.check_for_drawing_change() 
    83074 File
    83075 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83076 packages/chimerax/core/graphics/view.py", line 252, in
    83077 check_for_drawing_change 
    83078 trig.activate_trigger('graphics update', self) 
    83079 File
    83080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83081 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83082 trigger.activate(data) 
    83083 File
    83084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83085 packages/chimerax/core/triggerset.py", line 190, in activate 
    83086 ret = handler.invoke(data, self._remove_bad_handlers) 
    83087 File
    83088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83089 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83090 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83091 File
    83092 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83093 packages/chimerax/core/session.py", line 943, in <lambda> 
    83094 logger.report_exception(preface=preface)) 
    83095 File
    83096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83097 packages/chimerax/core/logger.py", line 421, in report_exception 
    83098 elif probably_chimera1_session(exc_info): 
    83099 File
    83100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83101 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83102 etype, evalue, etraceback = exc_info 
    83103 TypeError: cannot unpack non-iterable NoneType object 
    83104  
    83105 TypeError: cannot unpack non-iterable NoneType object 
    83106  
    83107 File
    83108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83109 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83110 etype, evalue, etraceback = exc_info 
    83111  
    83112 See log for complete Python traceback. 
    83113  
    83114 Traceback (most recent call last): 
    83115 File
    83116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83117 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83118 return self._func(self._name, data) 
    83119 File
    83120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83121 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83122 if v.display: 
    83123 File
    83124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83125 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83126 return self._any_displayed_positions and len(self._positions) > 0 
    83127 TypeError: object of type 'NoneType' has no len() 
    83128  
    83129 During handling of the above exception, another exception occurred: 
    83130  
    83131 Traceback (most recent call last): 
    83132 File
    83133 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83134 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83135 if not self.draw_new_frame(): 
    83136 File
    83137 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83138 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83139 changed = view.check_for_drawing_change() 
    83140 File
    83141 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83142 packages/chimerax/core/graphics/view.py", line 252, in
    83143 check_for_drawing_change 
    83144 trig.activate_trigger('graphics update', self) 
    83145 File
    83146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83147 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83148 trigger.activate(data) 
    83149 File
    83150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83151 packages/chimerax/core/triggerset.py", line 190, in activate 
    83152 ret = handler.invoke(data, self._remove_bad_handlers) 
    83153 File
    83154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83155 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83156 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83157 File
    83158 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83159 packages/chimerax/core/session.py", line 943, in <lambda> 
    83160 logger.report_exception(preface=preface)) 
    83161 File
    83162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83163 packages/chimerax/core/logger.py", line 421, in report_exception 
    83164 elif probably_chimera1_session(exc_info): 
    83165 File
    83166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83167 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83168 etype, evalue, etraceback = exc_info 
    83169 TypeError: cannot unpack non-iterable NoneType object 
    83170  
    83171 TypeError: cannot unpack non-iterable NoneType object 
    83172  
    83173 File
    83174 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83175 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83176 etype, evalue, etraceback = exc_info 
    83177  
    83178 See log for complete Python traceback. 
    83179  
    83180 Traceback (most recent call last): 
    83181 File
    83182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83183 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83184 return self._func(self._name, data) 
    83185 File
    83186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83187 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83188 if v.display: 
    83189 File
    83190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83191 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83192 return self._any_displayed_positions and len(self._positions) > 0 
    83193 TypeError: object of type 'NoneType' has no len() 
    83194  
    83195 During handling of the above exception, another exception occurred: 
    83196  
    83197 Traceback (most recent call last): 
    83198 File
    83199 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83200 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83201 if not self.draw_new_frame(): 
    83202 File
    83203 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83204 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83205 changed = view.check_for_drawing_change() 
    83206 File
    83207 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83208 packages/chimerax/core/graphics/view.py", line 252, in
    83209 check_for_drawing_change 
    83210 trig.activate_trigger('graphics update', self) 
    83211 File
    83212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83213 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83214 trigger.activate(data) 
    83215 File
    83216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83217 packages/chimerax/core/triggerset.py", line 190, in activate 
    83218 ret = handler.invoke(data, self._remove_bad_handlers) 
    83219 File
    83220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83221 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83222 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83223 File
    83224 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83225 packages/chimerax/core/session.py", line 943, in <lambda> 
    83226 logger.report_exception(preface=preface)) 
    83227 File
    83228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83229 packages/chimerax/core/logger.py", line 421, in report_exception 
    83230 elif probably_chimera1_session(exc_info): 
    83231 File
    83232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83233 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83234 etype, evalue, etraceback = exc_info 
    83235 TypeError: cannot unpack non-iterable NoneType object 
    83236  
    83237 TypeError: cannot unpack non-iterable NoneType object 
    83238  
    83239 File
    83240 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83241 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83242 etype, evalue, etraceback = exc_info 
    83243  
    83244 See log for complete Python traceback. 
    83245  
    83246 Traceback (most recent call last): 
    83247 File
    83248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83249 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83250 return self._func(self._name, data) 
    83251 File
    83252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83253 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83254 if v.display: 
    83255 File
    83256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83257 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83258 return self._any_displayed_positions and len(self._positions) > 0 
    83259 TypeError: object of type 'NoneType' has no len() 
    83260  
    83261 During handling of the above exception, another exception occurred: 
    83262  
    83263 Traceback (most recent call last): 
    83264 File
    83265 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83266 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83267 if not self.draw_new_frame(): 
    83268 File
    83269 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83270 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83271 changed = view.check_for_drawing_change() 
    83272 File
    83273 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83274 packages/chimerax/core/graphics/view.py", line 252, in
    83275 check_for_drawing_change 
    83276 trig.activate_trigger('graphics update', self) 
    83277 File
    83278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83279 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83280 trigger.activate(data) 
    83281 File
    83282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83283 packages/chimerax/core/triggerset.py", line 190, in activate 
    83284 ret = handler.invoke(data, self._remove_bad_handlers) 
    83285 File
    83286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83287 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83288 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83289 File
    83290 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83291 packages/chimerax/core/session.py", line 943, in <lambda> 
    83292 logger.report_exception(preface=preface)) 
    83293 File
    83294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83295 packages/chimerax/core/logger.py", line 421, in report_exception 
    83296 elif probably_chimera1_session(exc_info): 
    83297 File
    83298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83299 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83300 etype, evalue, etraceback = exc_info 
    83301 TypeError: cannot unpack non-iterable NoneType object 
    83302  
    83303 TypeError: cannot unpack non-iterable NoneType object 
    83304  
    83305 File
    83306 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83307 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83308 etype, evalue, etraceback = exc_info 
    83309  
    83310 See log for complete Python traceback. 
    83311  
    83312 Traceback (most recent call last): 
    83313 File
    83314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83315 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83316 return self._func(self._name, data) 
    83317 File
    83318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83319 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83320 if v.display: 
    83321 File
    83322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83323 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83324 return self._any_displayed_positions and len(self._positions) > 0 
    83325 TypeError: object of type 'NoneType' has no len() 
    83326  
    83327 During handling of the above exception, another exception occurred: 
    83328  
    83329 Traceback (most recent call last): 
    83330 File
    83331 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83332 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83333 if not self.draw_new_frame(): 
    83334 File
    83335 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83336 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83337 changed = view.check_for_drawing_change() 
    83338 File
    83339 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83340 packages/chimerax/core/graphics/view.py", line 252, in
    83341 check_for_drawing_change 
    83342 trig.activate_trigger('graphics update', self) 
    83343 File
    83344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83345 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83346 trigger.activate(data) 
    83347 File
    83348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83349 packages/chimerax/core/triggerset.py", line 190, in activate 
    83350 ret = handler.invoke(data, self._remove_bad_handlers) 
    83351 File
    83352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83353 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83354 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83355 File
    83356 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83357 packages/chimerax/core/session.py", line 943, in <lambda> 
    83358 logger.report_exception(preface=preface)) 
    83359 File
    83360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83361 packages/chimerax/core/logger.py", line 421, in report_exception 
    83362 elif probably_chimera1_session(exc_info): 
    83363 File
    83364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83365 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83366 etype, evalue, etraceback = exc_info 
    83367 TypeError: cannot unpack non-iterable NoneType object 
    83368  
    83369 TypeError: cannot unpack non-iterable NoneType object 
    83370  
    83371 File
    83372 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83373 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83374 etype, evalue, etraceback = exc_info 
    83375  
    83376 See log for complete Python traceback. 
    83377  
    83378 Traceback (most recent call last): 
    83379 File
    83380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83381 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83382 return self._func(self._name, data) 
    83383 File
    83384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83385 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83386 if v.display: 
    83387 File
    83388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83389 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83390 return self._any_displayed_positions and len(self._positions) > 0 
    83391 TypeError: object of type 'NoneType' has no len() 
    83392  
    83393 During handling of the above exception, another exception occurred: 
    83394  
    83395 Traceback (most recent call last): 
    83396 File
    83397 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83398 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83399 if not self.draw_new_frame(): 
    83400 File
    83401 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83402 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83403 changed = view.check_for_drawing_change() 
    83404 File
    83405 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83406 packages/chimerax/core/graphics/view.py", line 252, in
    83407 check_for_drawing_change 
    83408 trig.activate_trigger('graphics update', self) 
    83409 File
    83410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83411 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83412 trigger.activate(data) 
    83413 File
    83414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83415 packages/chimerax/core/triggerset.py", line 190, in activate 
    83416 ret = handler.invoke(data, self._remove_bad_handlers) 
    83417 File
    83418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83419 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83420 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83421 File
    83422 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83423 packages/chimerax/core/session.py", line 943, in <lambda> 
    83424 logger.report_exception(preface=preface)) 
    83425 File
    83426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83427 packages/chimerax/core/logger.py", line 421, in report_exception 
    83428 elif probably_chimera1_session(exc_info): 
    83429 File
    83430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83431 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83432 etype, evalue, etraceback = exc_info 
    83433 TypeError: cannot unpack non-iterable NoneType object 
    83434  
    83435 TypeError: cannot unpack non-iterable NoneType object 
    83436  
    83437 File
    83438 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83439 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83440 etype, evalue, etraceback = exc_info 
    83441  
    83442 See log for complete Python traceback. 
    83443  
    83444 Traceback (most recent call last): 
    83445 File
    83446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83447 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83448 return self._func(self._name, data) 
    83449 File
    83450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83451 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83452 if v.display: 
    83453 File
    83454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83455 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83456 return self._any_displayed_positions and len(self._positions) > 0 
    83457 TypeError: object of type 'NoneType' has no len() 
    83458  
    83459 During handling of the above exception, another exception occurred: 
    83460  
    83461 Traceback (most recent call last): 
    83462 File
    83463 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83464 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83465 if not self.draw_new_frame(): 
    83466 File
    83467 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83468 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83469 changed = view.check_for_drawing_change() 
    83470 File
    83471 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83472 packages/chimerax/core/graphics/view.py", line 252, in
    83473 check_for_drawing_change 
    83474 trig.activate_trigger('graphics update', self) 
    83475 File
    83476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83477 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83478 trigger.activate(data) 
    83479 File
    83480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83481 packages/chimerax/core/triggerset.py", line 190, in activate 
    83482 ret = handler.invoke(data, self._remove_bad_handlers) 
    83483 File
    83484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83485 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83486 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83487 File
    83488 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83489 packages/chimerax/core/session.py", line 943, in <lambda> 
    83490 logger.report_exception(preface=preface)) 
    83491 File
    83492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83493 packages/chimerax/core/logger.py", line 421, in report_exception 
    83494 elif probably_chimera1_session(exc_info): 
    83495 File
    83496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83497 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83498 etype, evalue, etraceback = exc_info 
    83499 TypeError: cannot unpack non-iterable NoneType object 
    83500  
    83501 TypeError: cannot unpack non-iterable NoneType object 
    83502  
    83503 File
    83504 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83505 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83506 etype, evalue, etraceback = exc_info 
    83507  
    83508 See log for complete Python traceback. 
    83509  
    83510 Traceback (most recent call last): 
    83511 File
    83512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83513 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83514 return self._func(self._name, data) 
    83515 File
    83516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83517 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83518 if v.display: 
    83519 File
    83520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83521 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83522 return self._any_displayed_positions and len(self._positions) > 0 
    83523 TypeError: object of type 'NoneType' has no len() 
    83524  
    83525 During handling of the above exception, another exception occurred: 
    83526  
    83527 Traceback (most recent call last): 
    83528 File
    83529 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83530 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83531 if not self.draw_new_frame(): 
    83532 File
    83533 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83534 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83535 changed = view.check_for_drawing_change() 
    83536 File
    83537 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83538 packages/chimerax/core/graphics/view.py", line 252, in
    83539 check_for_drawing_change 
    83540 trig.activate_trigger('graphics update', self) 
    83541 File
    83542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83543 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83544 trigger.activate(data) 
    83545 File
    83546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83547 packages/chimerax/core/triggerset.py", line 190, in activate 
    83548 ret = handler.invoke(data, self._remove_bad_handlers) 
    83549 File
    83550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83551 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83552 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83553 File
    83554 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83555 packages/chimerax/core/session.py", line 943, in <lambda> 
    83556 logger.report_exception(preface=preface)) 
    83557 File
    83558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83559 packages/chimerax/core/logger.py", line 421, in report_exception 
    83560 elif probably_chimera1_session(exc_info): 
    83561 File
    83562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83563 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83564 etype, evalue, etraceback = exc_info 
    83565 TypeError: cannot unpack non-iterable NoneType object 
    83566  
    83567 TypeError: cannot unpack non-iterable NoneType object 
    83568  
    83569 File
    83570 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83571 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83572 etype, evalue, etraceback = exc_info 
    83573  
    83574 See log for complete Python traceback. 
    83575  
    83576 Traceback (most recent call last): 
    83577 File
    83578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83579 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83580 return self._func(self._name, data) 
    83581 File
    83582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83583 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83584 if v.display: 
    83585 File
    83586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83587 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83588 return self._any_displayed_positions and len(self._positions) > 0 
    83589 TypeError: object of type 'NoneType' has no len() 
    83590  
    83591 During handling of the above exception, another exception occurred: 
    83592  
    83593 Traceback (most recent call last): 
    83594 File
    83595 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83596 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83597 if not self.draw_new_frame(): 
    83598 File
    83599 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83600 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83601 changed = view.check_for_drawing_change() 
    83602 File
    83603 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83604 packages/chimerax/core/graphics/view.py", line 252, in
    83605 check_for_drawing_change 
    83606 trig.activate_trigger('graphics update', self) 
    83607 File
    83608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83609 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83610 trigger.activate(data) 
    83611 File
    83612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83613 packages/chimerax/core/triggerset.py", line 190, in activate 
    83614 ret = handler.invoke(data, self._remove_bad_handlers) 
    83615 File
    83616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83617 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83618 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83619 File
    83620 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83621 packages/chimerax/core/session.py", line 943, in <lambda> 
    83622 logger.report_exception(preface=preface)) 
    83623 File
    83624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83625 packages/chimerax/core/logger.py", line 421, in report_exception 
    83626 elif probably_chimera1_session(exc_info): 
    83627 File
    83628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83629 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83630 etype, evalue, etraceback = exc_info 
    83631 TypeError: cannot unpack non-iterable NoneType object 
    83632  
    83633 TypeError: cannot unpack non-iterable NoneType object 
    83634  
    83635 File
    83636 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83637 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83638 etype, evalue, etraceback = exc_info 
    83639  
    83640 See log for complete Python traceback. 
    83641  
    83642 Traceback (most recent call last): 
    83643 File
    83644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83645 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83646 return self._func(self._name, data) 
    83647 File
    83648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83649 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83650 if v.display: 
    83651 File
    83652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83653 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83654 return self._any_displayed_positions and len(self._positions) > 0 
    83655 TypeError: object of type 'NoneType' has no len() 
    83656  
    83657 During handling of the above exception, another exception occurred: 
    83658  
    83659 Traceback (most recent call last): 
    83660 File
    83661 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83662 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83663 if not self.draw_new_frame(): 
    83664 File
    83665 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83666 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83667 changed = view.check_for_drawing_change() 
    83668 File
    83669 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83670 packages/chimerax/core/graphics/view.py", line 252, in
    83671 check_for_drawing_change 
    83672 trig.activate_trigger('graphics update', self) 
    83673 File
    83674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83675 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83676 trigger.activate(data) 
    83677 File
    83678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83679 packages/chimerax/core/triggerset.py", line 190, in activate 
    83680 ret = handler.invoke(data, self._remove_bad_handlers) 
    83681 File
    83682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83683 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83684 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83685 File
    83686 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83687 packages/chimerax/core/session.py", line 943, in <lambda> 
    83688 logger.report_exception(preface=preface)) 
    83689 File
    83690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83691 packages/chimerax/core/logger.py", line 421, in report_exception 
    83692 elif probably_chimera1_session(exc_info): 
    83693 File
    83694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83695 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83696 etype, evalue, etraceback = exc_info 
    83697 TypeError: cannot unpack non-iterable NoneType object 
    83698  
    83699 TypeError: cannot unpack non-iterable NoneType object 
    83700  
    83701 File
    83702 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83703 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83704 etype, evalue, etraceback = exc_info 
    83705  
    83706 See log for complete Python traceback. 
    83707  
    83708 Traceback (most recent call last): 
    83709 File
    83710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83711 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83712 return self._func(self._name, data) 
    83713 File
    83714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83715 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83716 if v.display: 
    83717 File
    83718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83719 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83720 return self._any_displayed_positions and len(self._positions) > 0 
    83721 TypeError: object of type 'NoneType' has no len() 
    83722  
    83723 During handling of the above exception, another exception occurred: 
    83724  
    83725 Traceback (most recent call last): 
    83726 File
    83727 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83728 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83729 if not self.draw_new_frame(): 
    83730 File
    83731 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83732 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83733 changed = view.check_for_drawing_change() 
    83734 File
    83735 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83736 packages/chimerax/core/graphics/view.py", line 252, in
    83737 check_for_drawing_change 
    83738 trig.activate_trigger('graphics update', self) 
    83739 File
    83740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83741 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83742 trigger.activate(data) 
    83743 File
    83744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83745 packages/chimerax/core/triggerset.py", line 190, in activate 
    83746 ret = handler.invoke(data, self._remove_bad_handlers) 
    83747 File
    83748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83749 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83750 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83751 File
    83752 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83753 packages/chimerax/core/session.py", line 943, in <lambda> 
    83754 logger.report_exception(preface=preface)) 
    83755 File
    83756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83757 packages/chimerax/core/logger.py", line 421, in report_exception 
    83758 elif probably_chimera1_session(exc_info): 
    83759 File
    83760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83761 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83762 etype, evalue, etraceback = exc_info 
    83763 TypeError: cannot unpack non-iterable NoneType object 
    83764  
    83765 TypeError: cannot unpack non-iterable NoneType object 
    83766  
    83767 File
    83768 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83769 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83770 etype, evalue, etraceback = exc_info 
    83771  
    83772 See log for complete Python traceback. 
    83773  
    83774 Traceback (most recent call last): 
    83775 File
    83776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83777 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83778 return self._func(self._name, data) 
    83779 File
    83780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83781 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83782 if v.display: 
    83783 File
    83784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83785 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83786 return self._any_displayed_positions and len(self._positions) > 0 
    83787 TypeError: object of type 'NoneType' has no len() 
    83788  
    83789 During handling of the above exception, another exception occurred: 
    83790  
    83791 Traceback (most recent call last): 
    83792 File
    83793 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83794 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83795 if not self.draw_new_frame(): 
    83796 File
    83797 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83798 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83799 changed = view.check_for_drawing_change() 
    83800 File
    83801 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83802 packages/chimerax/core/graphics/view.py", line 252, in
    83803 check_for_drawing_change 
    83804 trig.activate_trigger('graphics update', self) 
    83805 File
    83806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83807 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83808 trigger.activate(data) 
    83809 File
    83810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83811 packages/chimerax/core/triggerset.py", line 190, in activate 
    83812 ret = handler.invoke(data, self._remove_bad_handlers) 
    83813 File
    83814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83815 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83816 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83817 File
    83818 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83819 packages/chimerax/core/session.py", line 943, in <lambda> 
    83820 logger.report_exception(preface=preface)) 
    83821 File
    83822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83823 packages/chimerax/core/logger.py", line 421, in report_exception 
    83824 elif probably_chimera1_session(exc_info): 
    83825 File
    83826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83827 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83828 etype, evalue, etraceback = exc_info 
    83829 TypeError: cannot unpack non-iterable NoneType object 
    83830  
    83831 TypeError: cannot unpack non-iterable NoneType object 
    83832  
    83833 File
    83834 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83835 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83836 etype, evalue, etraceback = exc_info 
    83837  
    83838 See log for complete Python traceback. 
    83839  
    83840 Traceback (most recent call last): 
    83841 File
    83842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83844 return self._func(self._name, data) 
    83845 File
    83846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83847 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83848 if v.display: 
    83849 File
    83850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83851 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83852 return self._any_displayed_positions and len(self._positions) > 0 
    83853 TypeError: object of type 'NoneType' has no len() 
    83854  
    83855 During handling of the above exception, another exception occurred: 
    83856  
    83857 Traceback (most recent call last): 
    83858 File
    83859 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83860 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83861 if not self.draw_new_frame(): 
    83862 File
    83863 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83864 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83865 changed = view.check_for_drawing_change() 
    83866 File
    83867 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83868 packages/chimerax/core/graphics/view.py", line 252, in
    83869 check_for_drawing_change 
    83870 trig.activate_trigger('graphics update', self) 
    83871 File
    83872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83873 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83874 trigger.activate(data) 
    83875 File
    83876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83877 packages/chimerax/core/triggerset.py", line 190, in activate 
    83878 ret = handler.invoke(data, self._remove_bad_handlers) 
    83879 File
    83880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83881 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83882 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83883 File
    83884 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83885 packages/chimerax/core/session.py", line 943, in <lambda> 
    83886 logger.report_exception(preface=preface)) 
    83887 File
    83888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83889 packages/chimerax/core/logger.py", line 421, in report_exception 
    83890 elif probably_chimera1_session(exc_info): 
    83891 File
    83892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83893 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83894 etype, evalue, etraceback = exc_info 
    83895 TypeError: cannot unpack non-iterable NoneType object 
    83896  
    83897 TypeError: cannot unpack non-iterable NoneType object 
    83898  
    83899 File
    83900 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83901 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83902 etype, evalue, etraceback = exc_info 
    83903  
    83904 See log for complete Python traceback. 
    83905  
    83906 Traceback (most recent call last): 
    83907 File
    83908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83909 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83910 return self._func(self._name, data) 
    83911 File
    83912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83913 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83914 if v.display: 
    83915 File
    83916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83917 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83918 return self._any_displayed_positions and len(self._positions) > 0 
    83919 TypeError: object of type 'NoneType' has no len() 
    83920  
    83921 During handling of the above exception, another exception occurred: 
    83922  
    83923 Traceback (most recent call last): 
    83924 File
    83925 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83926 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83927 if not self.draw_new_frame(): 
    83928 File
    83929 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83930 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83931 changed = view.check_for_drawing_change() 
    83932 File
    83933 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83934 packages/chimerax/core/graphics/view.py", line 252, in
    83935 check_for_drawing_change 
    83936 trig.activate_trigger('graphics update', self) 
    83937 File
    83938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83939 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    83940 trigger.activate(data) 
    83941 File
    83942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83943 packages/chimerax/core/triggerset.py", line 190, in activate 
    83944 ret = handler.invoke(data, self._remove_bad_handlers) 
    83945 File
    83946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83947 packages/chimerax/core/triggerset.py", line 132, in invoke 
    83948 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    83949 File
    83950 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83951 packages/chimerax/core/session.py", line 943, in <lambda> 
    83952 logger.report_exception(preface=preface)) 
    83953 File
    83954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83955 packages/chimerax/core/logger.py", line 421, in report_exception 
    83956 elif probably_chimera1_session(exc_info): 
    83957 File
    83958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83959 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83960 etype, evalue, etraceback = exc_info 
    83961 TypeError: cannot unpack non-iterable NoneType object 
    83962  
    83963 TypeError: cannot unpack non-iterable NoneType object 
    83964  
    83965 File
    83966 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83967 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    83968 etype, evalue, etraceback = exc_info 
    83969  
    83970 See log for complete Python traceback. 
    83971  
    83972 Traceback (most recent call last): 
    83973 File
    83974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83975 packages/chimerax/core/triggerset.py", line 130, in invoke 
    83976 return self._func(self._name, data) 
    83977 File
    83978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83979 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    83980 if v.display: 
    83981 File
    83982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83983 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    83984 return self._any_displayed_positions and len(self._positions) > 0 
    83985 TypeError: object of type 'NoneType' has no len() 
    83986  
    83987 During handling of the above exception, another exception occurred: 
    83988  
    83989 Traceback (most recent call last): 
    83990 File
    83991 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83992 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    83993 if not self.draw_new_frame(): 
    83994 File
    83995 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    83996 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    83997 changed = view.check_for_drawing_change() 
    83998 File
    83999 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84000 packages/chimerax/core/graphics/view.py", line 252, in
    84001 check_for_drawing_change 
    84002 trig.activate_trigger('graphics update', self) 
    84003 File
    84004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84005 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84006 trigger.activate(data) 
    84007 File
    84008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84009 packages/chimerax/core/triggerset.py", line 190, in activate 
    84010 ret = handler.invoke(data, self._remove_bad_handlers) 
    84011 File
    84012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84013 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84014 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84015 File
    84016 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84017 packages/chimerax/core/session.py", line 943, in <lambda> 
    84018 logger.report_exception(preface=preface)) 
    84019 File
    84020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84021 packages/chimerax/core/logger.py", line 421, in report_exception 
    84022 elif probably_chimera1_session(exc_info): 
    84023 File
    84024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84025 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84026 etype, evalue, etraceback = exc_info 
    84027 TypeError: cannot unpack non-iterable NoneType object 
    84028  
    84029 TypeError: cannot unpack non-iterable NoneType object 
    84030  
    84031 File
    84032 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84033 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84034 etype, evalue, etraceback = exc_info 
    84035  
    84036 See log for complete Python traceback. 
    84037  
    84038 Traceback (most recent call last): 
    84039 File
    84040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84041 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84042 return self._func(self._name, data) 
    84043 File
    84044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84045 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84046 if v.display: 
    84047 File
    84048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84049 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84050 return self._any_displayed_positions and len(self._positions) > 0 
    84051 TypeError: object of type 'NoneType' has no len() 
    84052  
    84053 During handling of the above exception, another exception occurred: 
    84054  
    84055 Traceback (most recent call last): 
    84056 File
    84057 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84058 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84059 if not self.draw_new_frame(): 
    84060 File
    84061 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84062 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84063 changed = view.check_for_drawing_change() 
    84064 File
    84065 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84066 packages/chimerax/core/graphics/view.py", line 252, in
    84067 check_for_drawing_change 
    84068 trig.activate_trigger('graphics update', self) 
    84069 File
    84070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84071 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84072 trigger.activate(data) 
    84073 File
    84074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84075 packages/chimerax/core/triggerset.py", line 190, in activate 
    84076 ret = handler.invoke(data, self._remove_bad_handlers) 
    84077 File
    84078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84079 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84080 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84081 File
    84082 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84083 packages/chimerax/core/session.py", line 943, in <lambda> 
    84084 logger.report_exception(preface=preface)) 
    84085 File
    84086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84087 packages/chimerax/core/logger.py", line 421, in report_exception 
    84088 elif probably_chimera1_session(exc_info): 
    84089 File
    84090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84091 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84092 etype, evalue, etraceback = exc_info 
    84093 TypeError: cannot unpack non-iterable NoneType object 
    84094  
    84095 TypeError: cannot unpack non-iterable NoneType object 
    84096  
    84097 File
    84098 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84099 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84100 etype, evalue, etraceback = exc_info 
    84101  
    84102 See log for complete Python traceback. 
    84103  
    84104 Traceback (most recent call last): 
    84105 File
    84106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84107 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84108 return self._func(self._name, data) 
    84109 File
    84110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84111 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84112 if v.display: 
    84113 File
    84114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84115 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84116 return self._any_displayed_positions and len(self._positions) > 0 
    84117 TypeError: object of type 'NoneType' has no len() 
    84118  
    84119 During handling of the above exception, another exception occurred: 
    84120  
    84121 Traceback (most recent call last): 
    84122 File
    84123 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84124 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84125 if not self.draw_new_frame(): 
    84126 File
    84127 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84128 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84129 changed = view.check_for_drawing_change() 
    84130 File
    84131 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84132 packages/chimerax/core/graphics/view.py", line 252, in
    84133 check_for_drawing_change 
    84134 trig.activate_trigger('graphics update', self) 
    84135 File
    84136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84137 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84138 trigger.activate(data) 
    84139 File
    84140 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84141 packages/chimerax/core/triggerset.py", line 190, in activate 
    84142 ret = handler.invoke(data, self._remove_bad_handlers) 
    84143 File
    84144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84145 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84146 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84147 File
    84148 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84149 packages/chimerax/core/session.py", line 943, in <lambda> 
    84150 logger.report_exception(preface=preface)) 
    84151 File
    84152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84153 packages/chimerax/core/logger.py", line 421, in report_exception 
    84154 elif probably_chimera1_session(exc_info): 
    84155 File
    84156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84157 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84158 etype, evalue, etraceback = exc_info 
    84159 TypeError: cannot unpack non-iterable NoneType object 
    84160  
    84161 TypeError: cannot unpack non-iterable NoneType object 
    84162  
    84163 File
    84164 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84165 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84166 etype, evalue, etraceback = exc_info 
    84167  
    84168 See log for complete Python traceback. 
    84169  
    84170 Traceback (most recent call last): 
    84171 File
    84172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84173 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84174 return self._func(self._name, data) 
    84175 File
    84176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84177 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84178 if v.display: 
    84179 File
    84180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84181 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84182 return self._any_displayed_positions and len(self._positions) > 0 
    84183 TypeError: object of type 'NoneType' has no len() 
    84184  
    84185 During handling of the above exception, another exception occurred: 
    84186  
    84187 Traceback (most recent call last): 
    84188 File
    84189 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84190 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84191 if not self.draw_new_frame(): 
    84192 File
    84193 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84194 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84195 changed = view.check_for_drawing_change() 
    84196 File
    84197 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84198 packages/chimerax/core/graphics/view.py", line 252, in
    84199 check_for_drawing_change 
    84200 trig.activate_trigger('graphics update', self) 
    84201 File
    84202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84203 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84204 trigger.activate(data) 
    84205 File
    84206 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84207 packages/chimerax/core/triggerset.py", line 190, in activate 
    84208 ret = handler.invoke(data, self._remove_bad_handlers) 
    84209 File
    84210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84211 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84212 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84213 File
    84214 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84215 packages/chimerax/core/session.py", line 943, in <lambda> 
    84216 logger.report_exception(preface=preface)) 
    84217 File
    84218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84219 packages/chimerax/core/logger.py", line 421, in report_exception 
    84220 elif probably_chimera1_session(exc_info): 
    84221 File
    84222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84223 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84224 etype, evalue, etraceback = exc_info 
    84225 TypeError: cannot unpack non-iterable NoneType object 
    84226  
    84227 TypeError: cannot unpack non-iterable NoneType object 
    84228  
    84229 File
    84230 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84231 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84232 etype, evalue, etraceback = exc_info 
    84233  
    84234 See log for complete Python traceback. 
    84235  
    84236 Traceback (most recent call last): 
    84237 File
    84238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84239 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84240 return self._func(self._name, data) 
    84241 File
    84242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84243 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84244 if v.display: 
    84245 File
    84246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84247 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84248 return self._any_displayed_positions and len(self._positions) > 0 
    84249 TypeError: object of type 'NoneType' has no len() 
    84250  
    84251 During handling of the above exception, another exception occurred: 
    84252  
    84253 Traceback (most recent call last): 
    84254 File
    84255 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84256 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84257 if not self.draw_new_frame(): 
    84258 File
    84259 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84260 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84261 changed = view.check_for_drawing_change() 
    84262 File
    84263 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84264 packages/chimerax/core/graphics/view.py", line 252, in
    84265 check_for_drawing_change 
    84266 trig.activate_trigger('graphics update', self) 
    84267 File
    84268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84269 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84270 trigger.activate(data) 
    84271 File
    84272 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84273 packages/chimerax/core/triggerset.py", line 190, in activate 
    84274 ret = handler.invoke(data, self._remove_bad_handlers) 
    84275 File
    84276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84277 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84278 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84279 File
    84280 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84281 packages/chimerax/core/session.py", line 943, in <lambda> 
    84282 logger.report_exception(preface=preface)) 
    84283 File
    84284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84285 packages/chimerax/core/logger.py", line 421, in report_exception 
    84286 elif probably_chimera1_session(exc_info): 
    84287 File
    84288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84289 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84290 etype, evalue, etraceback = exc_info 
    84291 TypeError: cannot unpack non-iterable NoneType object 
    84292  
    84293 TypeError: cannot unpack non-iterable NoneType object 
    84294  
    84295 File
    84296 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84297 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84298 etype, evalue, etraceback = exc_info 
    84299  
    84300 See log for complete Python traceback. 
    84301  
    84302 Traceback (most recent call last): 
    84303 File
    84304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84305 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84306 return self._func(self._name, data) 
    84307 File
    84308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84309 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84310 if v.display: 
    84311 File
    84312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84313 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84314 return self._any_displayed_positions and len(self._positions) > 0 
    84315 TypeError: object of type 'NoneType' has no len() 
    84316  
    84317 During handling of the above exception, another exception occurred: 
    84318  
    84319 Traceback (most recent call last): 
    84320 File
    84321 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84322 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84323 if not self.draw_new_frame(): 
    84324 File
    84325 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84326 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84327 changed = view.check_for_drawing_change() 
    84328 File
    84329 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84330 packages/chimerax/core/graphics/view.py", line 252, in
    84331 check_for_drawing_change 
    84332 trig.activate_trigger('graphics update', self) 
    84333 File
    84334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84335 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84336 trigger.activate(data) 
    84337 File
    84338 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84339 packages/chimerax/core/triggerset.py", line 190, in activate 
    84340 ret = handler.invoke(data, self._remove_bad_handlers) 
    84341 File
    84342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84343 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84344 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84345 File
    84346 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84347 packages/chimerax/core/session.py", line 943, in <lambda> 
    84348 logger.report_exception(preface=preface)) 
    84349 File
    84350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84351 packages/chimerax/core/logger.py", line 421, in report_exception 
    84352 elif probably_chimera1_session(exc_info): 
    84353 File
    84354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84355 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84356 etype, evalue, etraceback = exc_info 
    84357 TypeError: cannot unpack non-iterable NoneType object 
    84358  
    84359 TypeError: cannot unpack non-iterable NoneType object 
    84360  
    84361 File
    84362 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84363 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84364 etype, evalue, etraceback = exc_info 
    84365  
    84366 See log for complete Python traceback. 
    84367  
    84368 Traceback (most recent call last): 
    84369 File
    84370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84371 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84372 return self._func(self._name, data) 
    84373 File
    84374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84375 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84376 if v.display: 
    84377 File
    84378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84379 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84380 return self._any_displayed_positions and len(self._positions) > 0 
    84381 TypeError: object of type 'NoneType' has no len() 
    84382  
    84383 During handling of the above exception, another exception occurred: 
    84384  
    84385 Traceback (most recent call last): 
    84386 File
    84387 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84388 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84389 if not self.draw_new_frame(): 
    84390 File
    84391 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84392 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84393 changed = view.check_for_drawing_change() 
    84394 File
    84395 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84396 packages/chimerax/core/graphics/view.py", line 252, in
    84397 check_for_drawing_change 
    84398 trig.activate_trigger('graphics update', self) 
    84399 File
    84400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84401 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84402 trigger.activate(data) 
    84403 File
    84404 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84405 packages/chimerax/core/triggerset.py", line 190, in activate 
    84406 ret = handler.invoke(data, self._remove_bad_handlers) 
    84407 File
    84408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84409 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84410 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84411 File
    84412 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84413 packages/chimerax/core/session.py", line 943, in <lambda> 
    84414 logger.report_exception(preface=preface)) 
    84415 File
    84416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84417 packages/chimerax/core/logger.py", line 421, in report_exception 
    84418 elif probably_chimera1_session(exc_info): 
    84419 File
    84420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84421 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84422 etype, evalue, etraceback = exc_info 
    84423 TypeError: cannot unpack non-iterable NoneType object 
    84424  
    84425 TypeError: cannot unpack non-iterable NoneType object 
    84426  
    84427 File
    84428 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84429 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84430 etype, evalue, etraceback = exc_info 
    84431  
    84432 See log for complete Python traceback. 
    84433  
    84434 Traceback (most recent call last): 
    84435 File
    84436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84437 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84438 return self._func(self._name, data) 
    84439 File
    84440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84441 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84442 if v.display: 
    84443 File
    84444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84445 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84446 return self._any_displayed_positions and len(self._positions) > 0 
    84447 TypeError: object of type 'NoneType' has no len() 
    84448  
    84449 During handling of the above exception, another exception occurred: 
    84450  
    84451 Traceback (most recent call last): 
    84452 File
    84453 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84454 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84455 if not self.draw_new_frame(): 
    84456 File
    84457 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84458 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84459 changed = view.check_for_drawing_change() 
    84460 File
    84461 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84462 packages/chimerax/core/graphics/view.py", line 252, in
    84463 check_for_drawing_change 
    84464 trig.activate_trigger('graphics update', self) 
    84465 File
    84466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84467 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84468 trigger.activate(data) 
    84469 File
    84470 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84471 packages/chimerax/core/triggerset.py", line 190, in activate 
    84472 ret = handler.invoke(data, self._remove_bad_handlers) 
    84473 File
    84474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84475 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84476 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84477 File
    84478 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84479 packages/chimerax/core/session.py", line 943, in <lambda> 
    84480 logger.report_exception(preface=preface)) 
    84481 File
    84482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84483 packages/chimerax/core/logger.py", line 421, in report_exception 
    84484 elif probably_chimera1_session(exc_info): 
    84485 File
    84486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84487 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84488 etype, evalue, etraceback = exc_info 
    84489 TypeError: cannot unpack non-iterable NoneType object 
    84490  
    84491 TypeError: cannot unpack non-iterable NoneType object 
    84492  
    84493 File
    84494 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84495 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84496 etype, evalue, etraceback = exc_info 
    84497  
    84498 See log for complete Python traceback. 
    84499  
    84500 Traceback (most recent call last): 
    84501 File
    84502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84503 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84504 return self._func(self._name, data) 
    84505 File
    84506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84507 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84508 if v.display: 
    84509 File
    84510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84511 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84512 return self._any_displayed_positions and len(self._positions) > 0 
    84513 TypeError: object of type 'NoneType' has no len() 
    84514  
    84515 During handling of the above exception, another exception occurred: 
    84516  
    84517 Traceback (most recent call last): 
    84518 File
    84519 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84520 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84521 if not self.draw_new_frame(): 
    84522 File
    84523 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84524 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84525 changed = view.check_for_drawing_change() 
    84526 File
    84527 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84528 packages/chimerax/core/graphics/view.py", line 252, in
    84529 check_for_drawing_change 
    84530 trig.activate_trigger('graphics update', self) 
    84531 File
    84532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84533 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84534 trigger.activate(data) 
    84535 File
    84536 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84537 packages/chimerax/core/triggerset.py", line 190, in activate 
    84538 ret = handler.invoke(data, self._remove_bad_handlers) 
    84539 File
    84540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84541 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84542 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84543 File
    84544 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84545 packages/chimerax/core/session.py", line 943, in <lambda> 
    84546 logger.report_exception(preface=preface)) 
    84547 File
    84548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84549 packages/chimerax/core/logger.py", line 421, in report_exception 
    84550 elif probably_chimera1_session(exc_info): 
    84551 File
    84552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84553 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84554 etype, evalue, etraceback = exc_info 
    84555 TypeError: cannot unpack non-iterable NoneType object 
    84556  
    84557 TypeError: cannot unpack non-iterable NoneType object 
    84558  
    84559 File
    84560 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84561 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84562 etype, evalue, etraceback = exc_info 
    84563  
    84564 See log for complete Python traceback. 
    84565  
    84566 Traceback (most recent call last): 
    84567 File
    84568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84569 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84570 return self._func(self._name, data) 
    84571 File
    84572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84573 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84574 if v.display: 
    84575 File
    84576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84577 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84578 return self._any_displayed_positions and len(self._positions) > 0 
    84579 TypeError: object of type 'NoneType' has no len() 
    84580  
    84581 During handling of the above exception, another exception occurred: 
    84582  
    84583 Traceback (most recent call last): 
    84584 File
    84585 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84586 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84587 if not self.draw_new_frame(): 
    84588 File
    84589 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84590 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84591 changed = view.check_for_drawing_change() 
    84592 File
    84593 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84594 packages/chimerax/core/graphics/view.py", line 252, in
    84595 check_for_drawing_change 
    84596 trig.activate_trigger('graphics update', self) 
    84597 File
    84598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84599 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84600 trigger.activate(data) 
    84601 File
    84602 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84603 packages/chimerax/core/triggerset.py", line 190, in activate 
    84604 ret = handler.invoke(data, self._remove_bad_handlers) 
    84605 File
    84606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84607 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84608 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84609 File
    84610 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84611 packages/chimerax/core/session.py", line 943, in <lambda> 
    84612 logger.report_exception(preface=preface)) 
    84613 File
    84614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84615 packages/chimerax/core/logger.py", line 421, in report_exception 
    84616 elif probably_chimera1_session(exc_info): 
    84617 File
    84618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84619 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84620 etype, evalue, etraceback = exc_info 
    84621 TypeError: cannot unpack non-iterable NoneType object 
    84622  
    84623 TypeError: cannot unpack non-iterable NoneType object 
    84624  
    84625 File
    84626 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84627 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84628 etype, evalue, etraceback = exc_info 
    84629  
    84630 See log for complete Python traceback. 
    84631  
    84632 Traceback (most recent call last): 
    84633 File
    84634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84635 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84636 return self._func(self._name, data) 
    84637 File
    84638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84639 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84640 if v.display: 
    84641 File
    84642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84643 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84644 return self._any_displayed_positions and len(self._positions) > 0 
    84645 TypeError: object of type 'NoneType' has no len() 
    84646  
    84647 During handling of the above exception, another exception occurred: 
    84648  
    84649 Traceback (most recent call last): 
    84650 File
    84651 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84652 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84653 if not self.draw_new_frame(): 
    84654 File
    84655 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84656 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84657 changed = view.check_for_drawing_change() 
    84658 File
    84659 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84660 packages/chimerax/core/graphics/view.py", line 252, in
    84661 check_for_drawing_change 
    84662 trig.activate_trigger('graphics update', self) 
    84663 File
    84664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84665 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84666 trigger.activate(data) 
    84667 File
    84668 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84669 packages/chimerax/core/triggerset.py", line 190, in activate 
    84670 ret = handler.invoke(data, self._remove_bad_handlers) 
    84671 File
    84672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84673 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84674 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84675 File
    84676 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84677 packages/chimerax/core/session.py", line 943, in <lambda> 
    84678 logger.report_exception(preface=preface)) 
    84679 File
    84680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84681 packages/chimerax/core/logger.py", line 421, in report_exception 
    84682 elif probably_chimera1_session(exc_info): 
    84683 File
    84684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84685 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84686 etype, evalue, etraceback = exc_info 
    84687 TypeError: cannot unpack non-iterable NoneType object 
    84688  
    84689 TypeError: cannot unpack non-iterable NoneType object 
    84690  
    84691 File
    84692 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84693 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84694 etype, evalue, etraceback = exc_info 
    84695  
    84696 See log for complete Python traceback. 
    84697  
    84698 Traceback (most recent call last): 
    84699 File
    84700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84701 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84702 return self._func(self._name, data) 
    84703 File
    84704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84705 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84706 if v.display: 
    84707 File
    84708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84709 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84710 return self._any_displayed_positions and len(self._positions) > 0 
    84711 TypeError: object of type 'NoneType' has no len() 
    84712  
    84713 During handling of the above exception, another exception occurred: 
    84714  
    84715 Traceback (most recent call last): 
    84716 File
    84717 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84718 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84719 if not self.draw_new_frame(): 
    84720 File
    84721 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84722 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84723 changed = view.check_for_drawing_change() 
    84724 File
    84725 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84726 packages/chimerax/core/graphics/view.py", line 252, in
    84727 check_for_drawing_change 
    84728 trig.activate_trigger('graphics update', self) 
    84729 File
    84730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84731 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84732 trigger.activate(data) 
    84733 File
    84734 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84735 packages/chimerax/core/triggerset.py", line 190, in activate 
    84736 ret = handler.invoke(data, self._remove_bad_handlers) 
    84737 File
    84738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84739 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84740 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84741 File
    84742 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84743 packages/chimerax/core/session.py", line 943, in <lambda> 
    84744 logger.report_exception(preface=preface)) 
    84745 File
    84746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84747 packages/chimerax/core/logger.py", line 421, in report_exception 
    84748 elif probably_chimera1_session(exc_info): 
    84749 File
    84750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84751 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84752 etype, evalue, etraceback = exc_info 
    84753 TypeError: cannot unpack non-iterable NoneType object 
    84754  
    84755 TypeError: cannot unpack non-iterable NoneType object 
    84756  
    84757 File
    84758 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84759 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84760 etype, evalue, etraceback = exc_info 
    84761  
    84762 See log for complete Python traceback. 
    84763  
    84764 Traceback (most recent call last): 
    84765 File
    84766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84767 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84768 return self._func(self._name, data) 
    84769 File
    84770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84771 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84772 if v.display: 
    84773 File
    84774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84775 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84776 return self._any_displayed_positions and len(self._positions) > 0 
    84777 TypeError: object of type 'NoneType' has no len() 
    84778  
    84779 During handling of the above exception, another exception occurred: 
    84780  
    84781 Traceback (most recent call last): 
    84782 File
    84783 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84784 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84785 if not self.draw_new_frame(): 
    84786 File
    84787 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84788 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84789 changed = view.check_for_drawing_change() 
    84790 File
    84791 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84792 packages/chimerax/core/graphics/view.py", line 252, in
    84793 check_for_drawing_change 
    84794 trig.activate_trigger('graphics update', self) 
    84795 File
    84796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84797 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84798 trigger.activate(data) 
    84799 File
    84800 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84801 packages/chimerax/core/triggerset.py", line 190, in activate 
    84802 ret = handler.invoke(data, self._remove_bad_handlers) 
    84803 File
    84804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84805 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84806 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84807 File
    84808 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84809 packages/chimerax/core/session.py", line 943, in <lambda> 
    84810 logger.report_exception(preface=preface)) 
    84811 File
    84812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84813 packages/chimerax/core/logger.py", line 421, in report_exception 
    84814 elif probably_chimera1_session(exc_info): 
    84815 File
    84816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84817 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84818 etype, evalue, etraceback = exc_info 
    84819 TypeError: cannot unpack non-iterable NoneType object 
    84820  
    84821 TypeError: cannot unpack non-iterable NoneType object 
    84822  
    84823 File
    84824 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84825 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84826 etype, evalue, etraceback = exc_info 
    84827  
    84828 See log for complete Python traceback. 
    84829  
    84830 Traceback (most recent call last): 
    84831 File
    84832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84833 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84834 return self._func(self._name, data) 
    84835 File
    84836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84837 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84838 if v.display: 
    84839 File
    84840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84841 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84842 return self._any_displayed_positions and len(self._positions) > 0 
    84843 TypeError: object of type 'NoneType' has no len() 
    84844  
    84845 During handling of the above exception, another exception occurred: 
    84846  
    84847 Traceback (most recent call last): 
    84848 File
    84849 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84850 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84851 if not self.draw_new_frame(): 
    84852 File
    84853 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84854 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84855 changed = view.check_for_drawing_change() 
    84856 File
    84857 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84858 packages/chimerax/core/graphics/view.py", line 252, in
    84859 check_for_drawing_change 
    84860 trig.activate_trigger('graphics update', self) 
    84861 File
    84862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84863 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84864 trigger.activate(data) 
    84865 File
    84866 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84867 packages/chimerax/core/triggerset.py", line 190, in activate 
    84868 ret = handler.invoke(data, self._remove_bad_handlers) 
    84869 File
    84870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84871 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84872 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84873 File
    84874 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84875 packages/chimerax/core/session.py", line 943, in <lambda> 
    84876 logger.report_exception(preface=preface)) 
    84877 File
    84878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84879 packages/chimerax/core/logger.py", line 421, in report_exception 
    84880 elif probably_chimera1_session(exc_info): 
    84881 File
    84882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84883 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84884 etype, evalue, etraceback = exc_info 
    84885 TypeError: cannot unpack non-iterable NoneType object 
    84886  
    84887 TypeError: cannot unpack non-iterable NoneType object 
    84888  
    84889 File
    84890 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84891 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84892 etype, evalue, etraceback = exc_info 
    84893  
    84894 See log for complete Python traceback. 
    84895  
    84896 Traceback (most recent call last): 
    84897 File
    84898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84899 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84900 return self._func(self._name, data) 
    84901 File
    84902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84903 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84904 if v.display: 
    84905 File
    84906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84907 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84908 return self._any_displayed_positions and len(self._positions) > 0 
    84909 TypeError: object of type 'NoneType' has no len() 
    84910  
    84911 During handling of the above exception, another exception occurred: 
    84912  
    84913 Traceback (most recent call last): 
    84914 File
    84915 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84916 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84917 if not self.draw_new_frame(): 
    84918 File
    84919 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84920 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84921 changed = view.check_for_drawing_change() 
    84922 File
    84923 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84924 packages/chimerax/core/graphics/view.py", line 252, in
    84925 check_for_drawing_change 
    84926 trig.activate_trigger('graphics update', self) 
    84927 File
    84928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84929 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84930 trigger.activate(data) 
    84931 File
    84932 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84933 packages/chimerax/core/triggerset.py", line 190, in activate 
    84934 ret = handler.invoke(data, self._remove_bad_handlers) 
    84935 File
    84936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84937 packages/chimerax/core/triggerset.py", line 132, in invoke 
    84938 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    84939 File
    84940 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84941 packages/chimerax/core/session.py", line 943, in <lambda> 
    84942 logger.report_exception(preface=preface)) 
    84943 File
    84944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84945 packages/chimerax/core/logger.py", line 421, in report_exception 
    84946 elif probably_chimera1_session(exc_info): 
    84947 File
    84948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84949 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84950 etype, evalue, etraceback = exc_info 
    84951 TypeError: cannot unpack non-iterable NoneType object 
    84952  
    84953 TypeError: cannot unpack non-iterable NoneType object 
    84954  
    84955 File
    84956 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84957 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    84958 etype, evalue, etraceback = exc_info 
    84959  
    84960 See log for complete Python traceback. 
    84961  
    84962 Traceback (most recent call last): 
    84963 File
    84964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84965 packages/chimerax/core/triggerset.py", line 130, in invoke 
    84966 return self._func(self._name, data) 
    84967 File
    84968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84969 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    84970 if v.display: 
    84971 File
    84972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84973 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    84974 return self._any_displayed_positions and len(self._positions) > 0 
    84975 TypeError: object of type 'NoneType' has no len() 
    84976  
    84977 During handling of the above exception, another exception occurred: 
    84978  
    84979 Traceback (most recent call last): 
    84980 File
    84981 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84982 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    84983 if not self.draw_new_frame(): 
    84984 File
    84985 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84986 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    84987 changed = view.check_for_drawing_change() 
    84988 File
    84989 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84990 packages/chimerax/core/graphics/view.py", line 252, in
    84991 check_for_drawing_change 
    84992 trig.activate_trigger('graphics update', self) 
    84993 File
    84994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84995 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    84996 trigger.activate(data) 
    84997 File
    84998 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    84999 packages/chimerax/core/triggerset.py", line 190, in activate 
    85000 ret = handler.invoke(data, self._remove_bad_handlers) 
    85001 File
    85002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85003 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85004 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85005 File
    85006 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85007 packages/chimerax/core/session.py", line 943, in <lambda> 
    85008 logger.report_exception(preface=preface)) 
    85009 File
    85010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85011 packages/chimerax/core/logger.py", line 421, in report_exception 
    85012 elif probably_chimera1_session(exc_info): 
    85013 File
    85014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85015 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85016 etype, evalue, etraceback = exc_info 
    85017 TypeError: cannot unpack non-iterable NoneType object 
    85018  
    85019 TypeError: cannot unpack non-iterable NoneType object 
    85020  
    85021 File
    85022 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85023 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85024 etype, evalue, etraceback = exc_info 
    85025  
    85026 See log for complete Python traceback. 
    85027  
    85028 Traceback (most recent call last): 
    85029 File
    85030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85031 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85032 return self._func(self._name, data) 
    85033 File
    85034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85035 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85036 if v.display: 
    85037 File
    85038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85039 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85040 return self._any_displayed_positions and len(self._positions) > 0 
    85041 TypeError: object of type 'NoneType' has no len() 
    85042  
    85043 During handling of the above exception, another exception occurred: 
    85044  
    85045 Traceback (most recent call last): 
    85046 File
    85047 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85048 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85049 if not self.draw_new_frame(): 
    85050 File
    85051 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85052 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85053 changed = view.check_for_drawing_change() 
    85054 File
    85055 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85056 packages/chimerax/core/graphics/view.py", line 252, in
    85057 check_for_drawing_change 
    85058 trig.activate_trigger('graphics update', self) 
    85059 File
    85060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85061 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85062 trigger.activate(data) 
    85063 File
    85064 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85065 packages/chimerax/core/triggerset.py", line 190, in activate 
    85066 ret = handler.invoke(data, self._remove_bad_handlers) 
    85067 File
    85068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85069 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85070 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85071 File
    85072 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85073 packages/chimerax/core/session.py", line 943, in <lambda> 
    85074 logger.report_exception(preface=preface)) 
    85075 File
    85076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85077 packages/chimerax/core/logger.py", line 421, in report_exception 
    85078 elif probably_chimera1_session(exc_info): 
    85079 File
    85080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85081 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85082 etype, evalue, etraceback = exc_info 
    85083 TypeError: cannot unpack non-iterable NoneType object 
    85084  
    85085 TypeError: cannot unpack non-iterable NoneType object 
    85086  
    85087 File
    85088 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85089 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85090 etype, evalue, etraceback = exc_info 
    85091  
    85092 See log for complete Python traceback. 
    85093  
    85094 Traceback (most recent call last): 
    85095 File
    85096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85097 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85098 return self._func(self._name, data) 
    85099 File
    85100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85101 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85102 if v.display: 
    85103 File
    85104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85105 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85106 return self._any_displayed_positions and len(self._positions) > 0 
    85107 TypeError: object of type 'NoneType' has no len() 
    85108  
    85109 During handling of the above exception, another exception occurred: 
    85110  
    85111 Traceback (most recent call last): 
    85112 File
    85113 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85114 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85115 if not self.draw_new_frame(): 
    85116 File
    85117 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85118 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85119 changed = view.check_for_drawing_change() 
    85120 File
    85121 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85122 packages/chimerax/core/graphics/view.py", line 252, in
    85123 check_for_drawing_change 
    85124 trig.activate_trigger('graphics update', self) 
    85125 File
    85126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85127 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85128 trigger.activate(data) 
    85129 File
    85130 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85131 packages/chimerax/core/triggerset.py", line 190, in activate 
    85132 ret = handler.invoke(data, self._remove_bad_handlers) 
    85133 File
    85134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85135 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85136 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85137 File
    85138 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85139 packages/chimerax/core/session.py", line 943, in <lambda> 
    85140 logger.report_exception(preface=preface)) 
    85141 File
    85142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85143 packages/chimerax/core/logger.py", line 421, in report_exception 
    85144 elif probably_chimera1_session(exc_info): 
    85145 File
    85146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85147 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85148 etype, evalue, etraceback = exc_info 
    85149 TypeError: cannot unpack non-iterable NoneType object 
    85150  
    85151 TypeError: cannot unpack non-iterable NoneType object 
    85152  
    85153 File
    85154 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85155 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85156 etype, evalue, etraceback = exc_info 
    85157  
    85158 See log for complete Python traceback. 
    85159  
    85160 Traceback (most recent call last): 
    85161 File
    85162 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85163 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85164 return self._func(self._name, data) 
    85165 File
    85166 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85167 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85168 if v.display: 
    85169 File
    85170 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85171 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85172 return self._any_displayed_positions and len(self._positions) > 0 
    85173 TypeError: object of type 'NoneType' has no len() 
    85174  
    85175 During handling of the above exception, another exception occurred: 
    85176  
    85177 Traceback (most recent call last): 
    85178 File
    85179 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85180 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85181 if not self.draw_new_frame(): 
    85182 File
    85183 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85184 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85185 changed = view.check_for_drawing_change() 
    85186 File
    85187 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85188 packages/chimerax/core/graphics/view.py", line 252, in
    85189 check_for_drawing_change 
    85190 trig.activate_trigger('graphics update', self) 
    85191 File
    85192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85193 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85194 trigger.activate(data) 
    85195 File
    85196 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85197 packages/chimerax/core/triggerset.py", line 190, in activate 
    85198 ret = handler.invoke(data, self._remove_bad_handlers) 
    85199 File
    85200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85201 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85202 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85203 File
    85204 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85205 packages/chimerax/core/session.py", line 943, in <lambda> 
    85206 logger.report_exception(preface=preface)) 
    85207 File
    85208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85209 packages/chimerax/core/logger.py", line 421, in report_exception 
    85210 elif probably_chimera1_session(exc_info): 
    85211 File
    85212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85213 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85214 etype, evalue, etraceback = exc_info 
    85215 TypeError: cannot unpack non-iterable NoneType object 
    85216  
    85217 TypeError: cannot unpack non-iterable NoneType object 
    85218  
    85219 File
    85220 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85221 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85222 etype, evalue, etraceback = exc_info 
    85223  
    85224 See log for complete Python traceback. 
    85225  
    85226 Traceback (most recent call last): 
    85227 File
    85228 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85229 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85230 return self._func(self._name, data) 
    85231 File
    85232 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85233 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85234 if v.display: 
    85235 File
    85236 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85237 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85238 return self._any_displayed_positions and len(self._positions) > 0 
    85239 TypeError: object of type 'NoneType' has no len() 
    85240  
    85241 During handling of the above exception, another exception occurred: 
    85242  
    85243 Traceback (most recent call last): 
    85244 File
    85245 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85246 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85247 if not self.draw_new_frame(): 
    85248 File
    85249 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85250 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85251 changed = view.check_for_drawing_change() 
    85252 File
    85253 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85254 packages/chimerax/core/graphics/view.py", line 252, in
    85255 check_for_drawing_change 
    85256 trig.activate_trigger('graphics update', self) 
    85257 File
    85258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85259 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85260 trigger.activate(data) 
    85261 File
    85262 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85263 packages/chimerax/core/triggerset.py", line 190, in activate 
    85264 ret = handler.invoke(data, self._remove_bad_handlers) 
    85265 File
    85266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85267 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85268 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85269 File
    85270 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85271 packages/chimerax/core/session.py", line 943, in <lambda> 
    85272 logger.report_exception(preface=preface)) 
    85273 File
    85274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85275 packages/chimerax/core/logger.py", line 421, in report_exception 
    85276 elif probably_chimera1_session(exc_info): 
    85277 File
    85278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85279 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85280 etype, evalue, etraceback = exc_info 
    85281 TypeError: cannot unpack non-iterable NoneType object 
    85282  
    85283 TypeError: cannot unpack non-iterable NoneType object 
    85284  
    85285 File
    85286 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85287 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85288 etype, evalue, etraceback = exc_info 
    85289  
    85290 See log for complete Python traceback. 
    85291  
    85292 Traceback (most recent call last): 
    85293 File
    85294 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85295 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85296 return self._func(self._name, data) 
    85297 File
    85298 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85299 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85300 if v.display: 
    85301 File
    85302 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85303 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85304 return self._any_displayed_positions and len(self._positions) > 0 
    85305 TypeError: object of type 'NoneType' has no len() 
    85306  
    85307 During handling of the above exception, another exception occurred: 
    85308  
    85309 Traceback (most recent call last): 
    85310 File
    85311 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85312 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85313 if not self.draw_new_frame(): 
    85314 File
    85315 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85316 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85317 changed = view.check_for_drawing_change() 
    85318 File
    85319 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85320 packages/chimerax/core/graphics/view.py", line 252, in
    85321 check_for_drawing_change 
    85322 trig.activate_trigger('graphics update', self) 
    85323 File
    85324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85325 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85326 trigger.activate(data) 
    85327 File
    85328 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85329 packages/chimerax/core/triggerset.py", line 190, in activate 
    85330 ret = handler.invoke(data, self._remove_bad_handlers) 
    85331 File
    85332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85333 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85334 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85335 File
    85336 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85337 packages/chimerax/core/session.py", line 943, in <lambda> 
    85338 logger.report_exception(preface=preface)) 
    85339 File
    85340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85341 packages/chimerax/core/logger.py", line 421, in report_exception 
    85342 elif probably_chimera1_session(exc_info): 
    85343 File
    85344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85345 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85346 etype, evalue, etraceback = exc_info 
    85347 TypeError: cannot unpack non-iterable NoneType object 
    85348  
    85349 TypeError: cannot unpack non-iterable NoneType object 
    85350  
    85351 File
    85352 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85353 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85354 etype, evalue, etraceback = exc_info 
    85355  
    85356 See log for complete Python traceback. 
    85357  
    85358 Traceback (most recent call last): 
    85359 File
    85360 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85361 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85362 return self._func(self._name, data) 
    85363 File
    85364 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85365 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85366 if v.display: 
    85367 File
    85368 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85369 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85370 return self._any_displayed_positions and len(self._positions) > 0 
    85371 TypeError: object of type 'NoneType' has no len() 
    85372  
    85373 During handling of the above exception, another exception occurred: 
    85374  
    85375 Traceback (most recent call last): 
    85376 File
    85377 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85378 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85379 if not self.draw_new_frame(): 
    85380 File
    85381 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85382 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85383 changed = view.check_for_drawing_change() 
    85384 File
    85385 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85386 packages/chimerax/core/graphics/view.py", line 252, in
    85387 check_for_drawing_change 
    85388 trig.activate_trigger('graphics update', self) 
    85389 File
    85390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85391 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85392 trigger.activate(data) 
    85393 File
    85394 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85395 packages/chimerax/core/triggerset.py", line 190, in activate 
    85396 ret = handler.invoke(data, self._remove_bad_handlers) 
    85397 File
    85398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85399 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85400 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85401 File
    85402 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85403 packages/chimerax/core/session.py", line 943, in <lambda> 
    85404 logger.report_exception(preface=preface)) 
    85405 File
    85406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85407 packages/chimerax/core/logger.py", line 421, in report_exception 
    85408 elif probably_chimera1_session(exc_info): 
    85409 File
    85410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85411 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85412 etype, evalue, etraceback = exc_info 
    85413 TypeError: cannot unpack non-iterable NoneType object 
    85414  
    85415 TypeError: cannot unpack non-iterable NoneType object 
    85416  
    85417 File
    85418 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85419 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85420 etype, evalue, etraceback = exc_info 
    85421  
    85422 See log for complete Python traceback. 
    85423  
    85424 Traceback (most recent call last): 
    85425 File
    85426 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85427 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85428 return self._func(self._name, data) 
    85429 File
    85430 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85431 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85432 if v.display: 
    85433 File
    85434 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85435 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85436 return self._any_displayed_positions and len(self._positions) > 0 
    85437 TypeError: object of type 'NoneType' has no len() 
    85438  
    85439 During handling of the above exception, another exception occurred: 
    85440  
    85441 Traceback (most recent call last): 
    85442 File
    85443 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85444 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85445 if not self.draw_new_frame(): 
    85446 File
    85447 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85448 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85449 changed = view.check_for_drawing_change() 
    85450 File
    85451 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85452 packages/chimerax/core/graphics/view.py", line 252, in
    85453 check_for_drawing_change 
    85454 trig.activate_trigger('graphics update', self) 
    85455 File
    85456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85457 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85458 trigger.activate(data) 
    85459 File
    85460 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85461 packages/chimerax/core/triggerset.py", line 190, in activate 
    85462 ret = handler.invoke(data, self._remove_bad_handlers) 
    85463 File
    85464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85465 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85466 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85467 File
    85468 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85469 packages/chimerax/core/session.py", line 943, in <lambda> 
    85470 logger.report_exception(preface=preface)) 
    85471 File
    85472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85473 packages/chimerax/core/logger.py", line 421, in report_exception 
    85474 elif probably_chimera1_session(exc_info): 
    85475 File
    85476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85477 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85478 etype, evalue, etraceback = exc_info 
    85479 TypeError: cannot unpack non-iterable NoneType object 
    85480  
    85481 TypeError: cannot unpack non-iterable NoneType object 
    85482  
    85483 File
    85484 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85485 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85486 etype, evalue, etraceback = exc_info 
    85487  
    85488 See log for complete Python traceback. 
    85489  
    85490 Traceback (most recent call last): 
    85491 File
    85492 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85494 return self._func(self._name, data) 
    85495 File
    85496 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85497 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85498 if v.display: 
    85499 File
    85500 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85501 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85502 return self._any_displayed_positions and len(self._positions) > 0 
    85503 TypeError: object of type 'NoneType' has no len() 
    85504  
    85505 During handling of the above exception, another exception occurred: 
    85506  
    85507 Traceback (most recent call last): 
    85508 File
    85509 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85510 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85511 if not self.draw_new_frame(): 
    85512 File
    85513 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85514 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85515 changed = view.check_for_drawing_change() 
    85516 File
    85517 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85518 packages/chimerax/core/graphics/view.py", line 252, in
    85519 check_for_drawing_change 
    85520 trig.activate_trigger('graphics update', self) 
    85521 File
    85522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85523 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85524 trigger.activate(data) 
    85525 File
    85526 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85527 packages/chimerax/core/triggerset.py", line 190, in activate 
    85528 ret = handler.invoke(data, self._remove_bad_handlers) 
    85529 File
    85530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85531 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85532 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85533 File
    85534 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85535 packages/chimerax/core/session.py", line 943, in <lambda> 
    85536 logger.report_exception(preface=preface)) 
    85537 File
    85538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85539 packages/chimerax/core/logger.py", line 421, in report_exception 
    85540 elif probably_chimera1_session(exc_info): 
    85541 File
    85542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85543 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85544 etype, evalue, etraceback = exc_info 
    85545 TypeError: cannot unpack non-iterable NoneType object 
    85546  
    85547 TypeError: cannot unpack non-iterable NoneType object 
    85548  
    85549 File
    85550 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85551 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85552 etype, evalue, etraceback = exc_info 
    85553  
    85554 See log for complete Python traceback. 
    85555  
    85556 Traceback (most recent call last): 
    85557 File
    85558 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85559 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85560 return self._func(self._name, data) 
    85561 File
    85562 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85563 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85564 if v.display: 
    85565 File
    85566 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85567 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85568 return self._any_displayed_positions and len(self._positions) > 0 
    85569 TypeError: object of type 'NoneType' has no len() 
    85570  
    85571 During handling of the above exception, another exception occurred: 
    85572  
    85573 Traceback (most recent call last): 
    85574 File
    85575 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85576 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85577 if not self.draw_new_frame(): 
    85578 File
    85579 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85580 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85581 changed = view.check_for_drawing_change() 
    85582 File
    85583 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85584 packages/chimerax/core/graphics/view.py", line 252, in
    85585 check_for_drawing_change 
    85586 trig.activate_trigger('graphics update', self) 
    85587 File
    85588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85589 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85590 trigger.activate(data) 
    85591 File
    85592 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85593 packages/chimerax/core/triggerset.py", line 190, in activate 
    85594 ret = handler.invoke(data, self._remove_bad_handlers) 
    85595 File
    85596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85597 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85598 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85599 File
    85600 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85601 packages/chimerax/core/session.py", line 943, in <lambda> 
    85602 logger.report_exception(preface=preface)) 
    85603 File
    85604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85605 packages/chimerax/core/logger.py", line 421, in report_exception 
    85606 elif probably_chimera1_session(exc_info): 
    85607 File
    85608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85609 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85610 etype, evalue, etraceback = exc_info 
    85611 TypeError: cannot unpack non-iterable NoneType object 
    85612  
    85613 TypeError: cannot unpack non-iterable NoneType object 
    85614  
    85615 File
    85616 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85617 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85618 etype, evalue, etraceback = exc_info 
    85619  
    85620 See log for complete Python traceback. 
    85621  
    85622 Traceback (most recent call last): 
    85623 File
    85624 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85625 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85626 return self._func(self._name, data) 
    85627 File
    85628 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85629 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85630 if v.display: 
    85631 File
    85632 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85633 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85634 return self._any_displayed_positions and len(self._positions) > 0 
    85635 TypeError: object of type 'NoneType' has no len() 
    85636  
    85637 During handling of the above exception, another exception occurred: 
    85638  
    85639 Traceback (most recent call last): 
    85640 File
    85641 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85642 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85643 if not self.draw_new_frame(): 
    85644 File
    85645 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85646 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85647 changed = view.check_for_drawing_change() 
    85648 File
    85649 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85650 packages/chimerax/core/graphics/view.py", line 252, in
    85651 check_for_drawing_change 
    85652 trig.activate_trigger('graphics update', self) 
    85653 File
    85654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85655 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85656 trigger.activate(data) 
    85657 File
    85658 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85659 packages/chimerax/core/triggerset.py", line 190, in activate 
    85660 ret = handler.invoke(data, self._remove_bad_handlers) 
    85661 File
    85662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85663 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85664 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85665 File
    85666 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85667 packages/chimerax/core/session.py", line 943, in <lambda> 
    85668 logger.report_exception(preface=preface)) 
    85669 File
    85670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85671 packages/chimerax/core/logger.py", line 421, in report_exception 
    85672 elif probably_chimera1_session(exc_info): 
    85673 File
    85674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85675 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85676 etype, evalue, etraceback = exc_info 
    85677 TypeError: cannot unpack non-iterable NoneType object 
    85678  
    85679 TypeError: cannot unpack non-iterable NoneType object 
    85680  
    85681 File
    85682 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85683 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85684 etype, evalue, etraceback = exc_info 
    85685  
    85686 See log for complete Python traceback. 
    85687  
    85688 Traceback (most recent call last): 
    85689 File
    85690 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85691 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85692 return self._func(self._name, data) 
    85693 File
    85694 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85695 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85696 if v.display: 
    85697 File
    85698 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85699 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85700 return self._any_displayed_positions and len(self._positions) > 0 
    85701 TypeError: object of type 'NoneType' has no len() 
    85702  
    85703 During handling of the above exception, another exception occurred: 
    85704  
    85705 Traceback (most recent call last): 
    85706 File
    85707 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85708 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85709 if not self.draw_new_frame(): 
    85710 File
    85711 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85712 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85713 changed = view.check_for_drawing_change() 
    85714 File
    85715 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85716 packages/chimerax/core/graphics/view.py", line 252, in
    85717 check_for_drawing_change 
    85718 trig.activate_trigger('graphics update', self) 
    85719 File
    85720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85721 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85722 trigger.activate(data) 
    85723 File
    85724 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85725 packages/chimerax/core/triggerset.py", line 190, in activate 
    85726 ret = handler.invoke(data, self._remove_bad_handlers) 
    85727 File
    85728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85729 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85730 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85731 File
    85732 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85733 packages/chimerax/core/session.py", line 943, in <lambda> 
    85734 logger.report_exception(preface=preface)) 
    85735 File
    85736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85737 packages/chimerax/core/logger.py", line 421, in report_exception 
    85738 elif probably_chimera1_session(exc_info): 
    85739 File
    85740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85741 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85742 etype, evalue, etraceback = exc_info 
    85743 TypeError: cannot unpack non-iterable NoneType object 
    85744  
    85745 TypeError: cannot unpack non-iterable NoneType object 
    85746  
    85747 File
    85748 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85749 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85750 etype, evalue, etraceback = exc_info 
    85751  
    85752 See log for complete Python traceback. 
    85753  
    85754 Traceback (most recent call last): 
    85755 File
    85756 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85757 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85758 return self._func(self._name, data) 
    85759 File
    85760 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85761 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85762 if v.display: 
    85763 File
    85764 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85765 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85766 return self._any_displayed_positions and len(self._positions) > 0 
    85767 TypeError: object of type 'NoneType' has no len() 
    85768  
    85769 During handling of the above exception, another exception occurred: 
    85770  
    85771 Traceback (most recent call last): 
    85772 File
    85773 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85774 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85775 if not self.draw_new_frame(): 
    85776 File
    85777 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85778 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85779 changed = view.check_for_drawing_change() 
    85780 File
    85781 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85782 packages/chimerax/core/graphics/view.py", line 252, in
    85783 check_for_drawing_change 
    85784 trig.activate_trigger('graphics update', self) 
    85785 File
    85786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85787 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85788 trigger.activate(data) 
    85789 File
    85790 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85791 packages/chimerax/core/triggerset.py", line 190, in activate 
    85792 ret = handler.invoke(data, self._remove_bad_handlers) 
    85793 File
    85794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85795 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85796 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85797 File
    85798 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85799 packages/chimerax/core/session.py", line 943, in <lambda> 
    85800 logger.report_exception(preface=preface)) 
    85801 File
    85802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85803 packages/chimerax/core/logger.py", line 421, in report_exception 
    85804 elif probably_chimera1_session(exc_info): 
    85805 File
    85806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85807 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85808 etype, evalue, etraceback = exc_info 
    85809 TypeError: cannot unpack non-iterable NoneType object 
    85810  
    85811 TypeError: cannot unpack non-iterable NoneType object 
    85812  
    85813 File
    85814 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85815 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85816 etype, evalue, etraceback = exc_info 
    85817  
    85818 See log for complete Python traceback. 
    85819  
    85820 Traceback (most recent call last): 
    85821 File
    85822 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85823 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85824 return self._func(self._name, data) 
    85825 File
    85826 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85827 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85828 if v.display: 
    85829 File
    85830 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85831 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85832 return self._any_displayed_positions and len(self._positions) > 0 
    85833 TypeError: object of type 'NoneType' has no len() 
    85834  
    85835 During handling of the above exception, another exception occurred: 
    85836  
    85837 Traceback (most recent call last): 
    85838 File
    85839 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85840 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85841 if not self.draw_new_frame(): 
    85842 File
    85843 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85844 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85845 changed = view.check_for_drawing_change() 
    85846 File
    85847 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85848 packages/chimerax/core/graphics/view.py", line 252, in
    85849 check_for_drawing_change 
    85850 trig.activate_trigger('graphics update', self) 
    85851 File
    85852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85853 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85854 trigger.activate(data) 
    85855 File
    85856 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85857 packages/chimerax/core/triggerset.py", line 190, in activate 
    85858 ret = handler.invoke(data, self._remove_bad_handlers) 
    85859 File
    85860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85861 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85862 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85863 File
    85864 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85865 packages/chimerax/core/session.py", line 943, in <lambda> 
    85866 logger.report_exception(preface=preface)) 
    85867 File
    85868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85869 packages/chimerax/core/logger.py", line 421, in report_exception 
    85870 elif probably_chimera1_session(exc_info): 
    85871 File
    85872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85873 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85874 etype, evalue, etraceback = exc_info 
    85875 TypeError: cannot unpack non-iterable NoneType object 
    85876  
    85877 TypeError: cannot unpack non-iterable NoneType object 
    85878  
    85879 File
    85880 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85881 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85882 etype, evalue, etraceback = exc_info 
    85883  
    85884 See log for complete Python traceback. 
    85885  
    85886 Traceback (most recent call last): 
    85887 File
    85888 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85889 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85890 return self._func(self._name, data) 
    85891 File
    85892 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85893 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85894 if v.display: 
    85895 File
    85896 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85897 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85898 return self._any_displayed_positions and len(self._positions) > 0 
    85899 TypeError: object of type 'NoneType' has no len() 
    85900  
    85901 During handling of the above exception, another exception occurred: 
    85902  
    85903 Traceback (most recent call last): 
    85904 File
    85905 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85906 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85907 if not self.draw_new_frame(): 
    85908 File
    85909 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85910 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85911 changed = view.check_for_drawing_change() 
    85912 File
    85913 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85914 packages/chimerax/core/graphics/view.py", line 252, in
    85915 check_for_drawing_change 
    85916 trig.activate_trigger('graphics update', self) 
    85917 File
    85918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85919 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85920 trigger.activate(data) 
    85921 File
    85922 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85923 packages/chimerax/core/triggerset.py", line 190, in activate 
    85924 ret = handler.invoke(data, self._remove_bad_handlers) 
    85925 File
    85926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85927 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85928 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85929 File
    85930 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85931 packages/chimerax/core/session.py", line 943, in <lambda> 
    85932 logger.report_exception(preface=preface)) 
    85933 File
    85934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85935 packages/chimerax/core/logger.py", line 421, in report_exception 
    85936 elif probably_chimera1_session(exc_info): 
    85937 File
    85938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85939 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85940 etype, evalue, etraceback = exc_info 
    85941 TypeError: cannot unpack non-iterable NoneType object 
    85942  
    85943 TypeError: cannot unpack non-iterable NoneType object 
    85944  
    85945 File
    85946 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85947 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    85948 etype, evalue, etraceback = exc_info 
    85949  
    85950 See log for complete Python traceback. 
    85951  
    85952 Traceback (most recent call last): 
    85953 File
    85954 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85955 packages/chimerax/core/triggerset.py", line 130, in invoke 
    85956 return self._func(self._name, data) 
    85957 File
    85958 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85959 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    85960 if v.display: 
    85961 File
    85962 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85963 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    85964 return self._any_displayed_positions and len(self._positions) > 0 
    85965 TypeError: object of type 'NoneType' has no len() 
    85966  
    85967 During handling of the above exception, another exception occurred: 
    85968  
    85969 Traceback (most recent call last): 
    85970 File
    85971 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85972 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    85973 if not self.draw_new_frame(): 
    85974 File
    85975 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85976 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    85977 changed = view.check_for_drawing_change() 
    85978 File
    85979 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85980 packages/chimerax/core/graphics/view.py", line 252, in
    85981 check_for_drawing_change 
    85982 trig.activate_trigger('graphics update', self) 
    85983 File
    85984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85985 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    85986 trigger.activate(data) 
    85987 File
    85988 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85989 packages/chimerax/core/triggerset.py", line 190, in activate 
    85990 ret = handler.invoke(data, self._remove_bad_handlers) 
    85991 File
    85992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85993 packages/chimerax/core/triggerset.py", line 132, in invoke 
    85994 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    85995 File
    85996 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    85997 packages/chimerax/core/session.py", line 943, in <lambda> 
    85998 logger.report_exception(preface=preface)) 
    85999 File
    86000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86001 packages/chimerax/core/logger.py", line 421, in report_exception 
    86002 elif probably_chimera1_session(exc_info): 
    86003 File
    86004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86005 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86006 etype, evalue, etraceback = exc_info 
    86007 TypeError: cannot unpack non-iterable NoneType object 
    86008  
    86009 TypeError: cannot unpack non-iterable NoneType object 
    86010  
    86011 File
    86012 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86013 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86014 etype, evalue, etraceback = exc_info 
    86015  
    86016 See log for complete Python traceback. 
    86017  
    86018 Traceback (most recent call last): 
    86019 File
    86020 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86021 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86022 return self._func(self._name, data) 
    86023 File
    86024 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86025 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86026 if v.display: 
    86027 File
    86028 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86029 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86030 return self._any_displayed_positions and len(self._positions) > 0 
    86031 TypeError: object of type 'NoneType' has no len() 
    86032  
    86033 During handling of the above exception, another exception occurred: 
    86034  
    86035 Traceback (most recent call last): 
    86036 File
    86037 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86038 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86039 if not self.draw_new_frame(): 
    86040 File
    86041 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86042 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86043 changed = view.check_for_drawing_change() 
    86044 File
    86045 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86046 packages/chimerax/core/graphics/view.py", line 252, in
    86047 check_for_drawing_change 
    86048 trig.activate_trigger('graphics update', self) 
    86049 File
    86050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86051 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86052 trigger.activate(data) 
    86053 File
    86054 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86055 packages/chimerax/core/triggerset.py", line 190, in activate 
    86056 ret = handler.invoke(data, self._remove_bad_handlers) 
    86057 File
    86058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86059 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86060 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86061 File
    86062 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86063 packages/chimerax/core/session.py", line 943, in <lambda> 
    86064 logger.report_exception(preface=preface)) 
    86065 File
    86066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86067 packages/chimerax/core/logger.py", line 421, in report_exception 
    86068 elif probably_chimera1_session(exc_info): 
    86069 File
    86070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86071 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86072 etype, evalue, etraceback = exc_info 
    86073 TypeError: cannot unpack non-iterable NoneType object 
    86074  
    86075 TypeError: cannot unpack non-iterable NoneType object 
    86076  
    86077 File
    86078 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86079 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86080 etype, evalue, etraceback = exc_info 
    86081  
    86082 See log for complete Python traceback. 
    86083  
    86084 Traceback (most recent call last): 
    86085 File
    86086 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86087 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86088 return self._func(self._name, data) 
    86089 File
    86090 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86091 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86092 if v.display: 
    86093 File
    86094 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86095 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86096 return self._any_displayed_positions and len(self._positions) > 0 
    86097 TypeError: object of type 'NoneType' has no len() 
    86098  
    86099 During handling of the above exception, another exception occurred: 
    86100  
    86101 Traceback (most recent call last): 
    86102 File
    86103 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86104 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86105 if not self.draw_new_frame(): 
    86106 File
    86107 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86108 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86109 changed = view.check_for_drawing_change() 
    86110 File
    86111 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86112 packages/chimerax/core/graphics/view.py", line 252, in
    86113 check_for_drawing_change 
    86114 trig.activate_trigger('graphics update', self) 
    86115 File
    86116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86117 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86118 trigger.activate(data) 
    86119 File
    86120 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86121 packages/chimerax/core/triggerset.py", line 190, in activate 
    86122 ret = handler.invoke(data, self._remove_bad_handlers) 
    86123 File
    86124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86125 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86126 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86127 File
    86128 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86129 packages/chimerax/core/session.py", line 943, in <lambda> 
    86130 logger.report_exception(preface=preface)) 
    86131 File
    86132 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86133 packages/chimerax/core/logger.py", line 421, in report_exception 
    86134 elif probably_chimera1_session(exc_info): 
    86135 File
    86136 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86137 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86138 etype, evalue, etraceback = exc_info 
    86139 TypeError: cannot unpack non-iterable NoneType object 
    86140  
    86141 TypeError: cannot unpack non-iterable NoneType object 
    86142  
    86143 File
    86144 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86145 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86146 etype, evalue, etraceback = exc_info 
    86147  
    86148 See log for complete Python traceback. 
    86149  
    86150 Traceback (most recent call last): 
    86151 File
    86152 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86153 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86154 return self._func(self._name, data) 
    86155 File
    86156 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86157 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86158 if v.display: 
    86159 File
    86160 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86161 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86162 return self._any_displayed_positions and len(self._positions) > 0 
    86163 TypeError: object of type 'NoneType' has no len() 
    86164  
    86165 During handling of the above exception, another exception occurred: 
    86166  
    86167 Traceback (most recent call last): 
    86168 File
    86169 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86170 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86171 if not self.draw_new_frame(): 
    86172 File
    86173 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86174 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86175 changed = view.check_for_drawing_change() 
    86176 File
    86177 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86178 packages/chimerax/core/graphics/view.py", line 252, in
    86179 check_for_drawing_change 
    86180 trig.activate_trigger('graphics update', self) 
    86181 File
    86182 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86183 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86184 trigger.activate(data) 
    86185 File
    86186 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86187 packages/chimerax/core/triggerset.py", line 190, in activate 
    86188 ret = handler.invoke(data, self._remove_bad_handlers) 
    86189 File
    86190 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86191 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86192 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86193 File
    86194 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86195 packages/chimerax/core/session.py", line 943, in <lambda> 
    86196 logger.report_exception(preface=preface)) 
    86197 File
    86198 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86199 packages/chimerax/core/logger.py", line 421, in report_exception 
    86200 elif probably_chimera1_session(exc_info): 
    86201 File
    86202 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86203 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86204 etype, evalue, etraceback = exc_info 
    86205 TypeError: cannot unpack non-iterable NoneType object 
    86206  
    86207 TypeError: cannot unpack non-iterable NoneType object 
    86208  
    86209 File
    86210 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86211 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86212 etype, evalue, etraceback = exc_info 
    86213  
    86214 See log for complete Python traceback. 
    86215  
    86216 Traceback (most recent call last): 
    86217 File
    86218 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86219 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86220 return self._func(self._name, data) 
    86221 File
    86222 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86223 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86224 if v.display: 
    86225 File
    86226 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86227 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86228 return self._any_displayed_positions and len(self._positions) > 0 
    86229 TypeError: object of type 'NoneType' has no len() 
    86230  
    86231 During handling of the above exception, another exception occurred: 
    86232  
    86233 Traceback (most recent call last): 
    86234 File
    86235 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86236 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86237 if not self.draw_new_frame(): 
    86238 File
    86239 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86240 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86241 changed = view.check_for_drawing_change() 
    86242 File
    86243 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86244 packages/chimerax/core/graphics/view.py", line 252, in
    86245 check_for_drawing_change 
    86246 trig.activate_trigger('graphics update', self) 
    86247 File
    86248 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86249 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86250 trigger.activate(data) 
    86251 File
    86252 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86253 packages/chimerax/core/triggerset.py", line 190, in activate 
    86254 ret = handler.invoke(data, self._remove_bad_handlers) 
    86255 File
    86256 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86257 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86258 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86259 File
    86260 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86261 packages/chimerax/core/session.py", line 943, in <lambda> 
    86262 logger.report_exception(preface=preface)) 
    86263 File
    86264 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86265 packages/chimerax/core/logger.py", line 421, in report_exception 
    86266 elif probably_chimera1_session(exc_info): 
    86267 File
    86268 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86269 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86270 etype, evalue, etraceback = exc_info 
    86271 TypeError: cannot unpack non-iterable NoneType object 
    86272  
    86273 TypeError: cannot unpack non-iterable NoneType object 
    86274  
    86275 File
    86276 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86277 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86278 etype, evalue, etraceback = exc_info 
    86279  
    86280 See log for complete Python traceback. 
    86281  
    86282 Traceback (most recent call last): 
    86283 File
    86284 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86285 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86286 return self._func(self._name, data) 
    86287 File
    86288 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86289 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86290 if v.display: 
    86291 File
    86292 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86293 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86294 return self._any_displayed_positions and len(self._positions) > 0 
    86295 TypeError: object of type 'NoneType' has no len() 
    86296  
    86297 During handling of the above exception, another exception occurred: 
    86298  
    86299 Traceback (most recent call last): 
    86300 File
    86301 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86302 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86303 if not self.draw_new_frame(): 
    86304 File
    86305 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86306 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86307 changed = view.check_for_drawing_change() 
    86308 File
    86309 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86310 packages/chimerax/core/graphics/view.py", line 252, in
    86311 check_for_drawing_change 
    86312 trig.activate_trigger('graphics update', self) 
    86313 File
    86314 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86315 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86316 trigger.activate(data) 
    86317 File
    86318 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86319 packages/chimerax/core/triggerset.py", line 190, in activate 
    86320 ret = handler.invoke(data, self._remove_bad_handlers) 
    86321 File
    86322 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86323 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86324 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86325 File
    86326 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86327 packages/chimerax/core/session.py", line 943, in <lambda> 
    86328 logger.report_exception(preface=preface)) 
    86329 File
    86330 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86331 packages/chimerax/core/logger.py", line 421, in report_exception 
    86332 elif probably_chimera1_session(exc_info): 
    86333 File
    86334 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86335 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86336 etype, evalue, etraceback = exc_info 
    86337 TypeError: cannot unpack non-iterable NoneType object 
    86338  
    86339 TypeError: cannot unpack non-iterable NoneType object 
    86340  
    86341 File
    86342 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86343 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86344 etype, evalue, etraceback = exc_info 
    86345  
    86346 See log for complete Python traceback. 
    86347  
    86348 Traceback (most recent call last): 
    86349 File
    86350 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86351 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86352 return self._func(self._name, data) 
    86353 File
    86354 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86355 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86356 if v.display: 
    86357 File
    86358 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86359 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86360 return self._any_displayed_positions and len(self._positions) > 0 
    86361 TypeError: object of type 'NoneType' has no len() 
    86362  
    86363 During handling of the above exception, another exception occurred: 
    86364  
    86365 Traceback (most recent call last): 
    86366 File
    86367 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86368 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86369 if not self.draw_new_frame(): 
    86370 File
    86371 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86372 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86373 changed = view.check_for_drawing_change() 
    86374 File
    86375 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86376 packages/chimerax/core/graphics/view.py", line 252, in
    86377 check_for_drawing_change 
    86378 trig.activate_trigger('graphics update', self) 
    86379 File
    86380 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86381 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86382 trigger.activate(data) 
    86383 File
    86384 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86385 packages/chimerax/core/triggerset.py", line 190, in activate 
    86386 ret = handler.invoke(data, self._remove_bad_handlers) 
    86387 File
    86388 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86389 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86390 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86391 File
    86392 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86393 packages/chimerax/core/session.py", line 943, in <lambda> 
    86394 logger.report_exception(preface=preface)) 
    86395 File
    86396 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86397 packages/chimerax/core/logger.py", line 421, in report_exception 
    86398 elif probably_chimera1_session(exc_info): 
    86399 File
    86400 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86401 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86402 etype, evalue, etraceback = exc_info 
    86403 TypeError: cannot unpack non-iterable NoneType object 
    86404  
    86405 TypeError: cannot unpack non-iterable NoneType object 
    86406  
    86407 File
    86408 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86409 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86410 etype, evalue, etraceback = exc_info 
    86411  
    86412 See log for complete Python traceback. 
    86413  
    86414 Traceback (most recent call last): 
    86415 File
    86416 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86417 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86418 return self._func(self._name, data) 
    86419 File
    86420 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86421 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86422 if v.display: 
    86423 File
    86424 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86425 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86426 return self._any_displayed_positions and len(self._positions) > 0 
    86427 TypeError: object of type 'NoneType' has no len() 
    86428  
    86429 During handling of the above exception, another exception occurred: 
    86430  
    86431 Traceback (most recent call last): 
    86432 File
    86433 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86434 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86435 if not self.draw_new_frame(): 
    86436 File
    86437 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86438 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86439 changed = view.check_for_drawing_change() 
    86440 File
    86441 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86442 packages/chimerax/core/graphics/view.py", line 252, in
    86443 check_for_drawing_change 
    86444 trig.activate_trigger('graphics update', self) 
    86445 File
    86446 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86447 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86448 trigger.activate(data) 
    86449 File
    86450 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86451 packages/chimerax/core/triggerset.py", line 190, in activate 
    86452 ret = handler.invoke(data, self._remove_bad_handlers) 
    86453 File
    86454 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86455 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86456 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86457 File
    86458 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86459 packages/chimerax/core/session.py", line 943, in <lambda> 
    86460 logger.report_exception(preface=preface)) 
    86461 File
    86462 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86463 packages/chimerax/core/logger.py", line 421, in report_exception 
    86464 elif probably_chimera1_session(exc_info): 
    86465 File
    86466 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86467 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86468 etype, evalue, etraceback = exc_info 
    86469 TypeError: cannot unpack non-iterable NoneType object 
    86470  
    86471 TypeError: cannot unpack non-iterable NoneType object 
    86472  
    86473 File
    86474 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86475 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86476 etype, evalue, etraceback = exc_info 
    86477  
    86478 See log for complete Python traceback. 
    86479  
    86480 Traceback (most recent call last): 
    86481 File
    86482 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86483 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86484 return self._func(self._name, data) 
    86485 File
    86486 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86487 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86488 if v.display: 
    86489 File
    86490 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86491 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86492 return self._any_displayed_positions and len(self._positions) > 0 
    86493 TypeError: object of type 'NoneType' has no len() 
    86494  
    86495 During handling of the above exception, another exception occurred: 
    86496  
    86497 Traceback (most recent call last): 
    86498 File
    86499 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86500 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86501 if not self.draw_new_frame(): 
    86502 File
    86503 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86504 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86505 changed = view.check_for_drawing_change() 
    86506 File
    86507 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86508 packages/chimerax/core/graphics/view.py", line 252, in
    86509 check_for_drawing_change 
    86510 trig.activate_trigger('graphics update', self) 
    86511 File
    86512 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86513 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86514 trigger.activate(data) 
    86515 File
    86516 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86517 packages/chimerax/core/triggerset.py", line 190, in activate 
    86518 ret = handler.invoke(data, self._remove_bad_handlers) 
    86519 File
    86520 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86521 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86522 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86523 File
    86524 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86525 packages/chimerax/core/session.py", line 943, in <lambda> 
    86526 logger.report_exception(preface=preface)) 
    86527 File
    86528 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86529 packages/chimerax/core/logger.py", line 421, in report_exception 
    86530 elif probably_chimera1_session(exc_info): 
    86531 File
    86532 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86533 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86534 etype, evalue, etraceback = exc_info 
    86535 TypeError: cannot unpack non-iterable NoneType object 
    86536  
    86537 TypeError: cannot unpack non-iterable NoneType object 
    86538  
    86539 File
    86540 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86541 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86542 etype, evalue, etraceback = exc_info 
    86543  
    86544 See log for complete Python traceback. 
    86545  
    86546 Traceback (most recent call last): 
    86547 File
    86548 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86549 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86550 return self._func(self._name, data) 
    86551 File
    86552 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86553 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86554 if v.display: 
    86555 File
    86556 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86557 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86558 return self._any_displayed_positions and len(self._positions) > 0 
    86559 TypeError: object of type 'NoneType' has no len() 
    86560  
    86561 During handling of the above exception, another exception occurred: 
    86562  
    86563 Traceback (most recent call last): 
    86564 File
    86565 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86566 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86567 if not self.draw_new_frame(): 
    86568 File
    86569 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86570 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86571 changed = view.check_for_drawing_change() 
    86572 File
    86573 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86574 packages/chimerax/core/graphics/view.py", line 252, in
    86575 check_for_drawing_change 
    86576 trig.activate_trigger('graphics update', self) 
    86577 File
    86578 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86579 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86580 trigger.activate(data) 
    86581 File
    86582 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86583 packages/chimerax/core/triggerset.py", line 190, in activate 
    86584 ret = handler.invoke(data, self._remove_bad_handlers) 
    86585 File
    86586 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86587 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86588 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86589 File
    86590 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86591 packages/chimerax/core/session.py", line 943, in <lambda> 
    86592 logger.report_exception(preface=preface)) 
    86593 File
    86594 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86595 packages/chimerax/core/logger.py", line 421, in report_exception 
    86596 elif probably_chimera1_session(exc_info): 
    86597 File
    86598 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86599 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86600 etype, evalue, etraceback = exc_info 
    86601 TypeError: cannot unpack non-iterable NoneType object 
    86602  
    86603 TypeError: cannot unpack non-iterable NoneType object 
    86604  
    86605 File
    86606 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86607 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86608 etype, evalue, etraceback = exc_info 
    86609  
    86610 See log for complete Python traceback. 
    86611  
    86612 Traceback (most recent call last): 
    86613 File
    86614 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86615 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86616 return self._func(self._name, data) 
    86617 File
    86618 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86619 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86620 if v.display: 
    86621 File
    86622 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86623 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86624 return self._any_displayed_positions and len(self._positions) > 0 
    86625 TypeError: object of type 'NoneType' has no len() 
    86626  
    86627 During handling of the above exception, another exception occurred: 
    86628  
    86629 Traceback (most recent call last): 
    86630 File
    86631 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86632 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86633 if not self.draw_new_frame(): 
    86634 File
    86635 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86636 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86637 changed = view.check_for_drawing_change() 
    86638 File
    86639 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86640 packages/chimerax/core/graphics/view.py", line 252, in
    86641 check_for_drawing_change 
    86642 trig.activate_trigger('graphics update', self) 
    86643 File
    86644 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86645 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86646 trigger.activate(data) 
    86647 File
    86648 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86649 packages/chimerax/core/triggerset.py", line 190, in activate 
    86650 ret = handler.invoke(data, self._remove_bad_handlers) 
    86651 File
    86652 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86653 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86654 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86655 File
    86656 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86657 packages/chimerax/core/session.py", line 943, in <lambda> 
    86658 logger.report_exception(preface=preface)) 
    86659 File
    86660 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86661 packages/chimerax/core/logger.py", line 421, in report_exception 
    86662 elif probably_chimera1_session(exc_info): 
    86663 File
    86664 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86665 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86666 etype, evalue, etraceback = exc_info 
    86667 TypeError: cannot unpack non-iterable NoneType object 
    86668  
    86669 TypeError: cannot unpack non-iterable NoneType object 
    86670  
    86671 File
    86672 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86673 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86674 etype, evalue, etraceback = exc_info 
    86675  
    86676 See log for complete Python traceback. 
    86677  
    86678 Traceback (most recent call last): 
    86679 File
    86680 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86681 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86682 return self._func(self._name, data) 
    86683 File
    86684 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86685 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86686 if v.display: 
    86687 File
    86688 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86689 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86690 return self._any_displayed_positions and len(self._positions) > 0 
    86691 TypeError: object of type 'NoneType' has no len() 
    86692  
    86693 During handling of the above exception, another exception occurred: 
    86694  
    86695 Traceback (most recent call last): 
    86696 File
    86697 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86698 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86699 if not self.draw_new_frame(): 
    86700 File
    86701 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86702 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86703 changed = view.check_for_drawing_change() 
    86704 File
    86705 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86706 packages/chimerax/core/graphics/view.py", line 252, in
    86707 check_for_drawing_change 
    86708 trig.activate_trigger('graphics update', self) 
    86709 File
    86710 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86711 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86712 trigger.activate(data) 
    86713 File
    86714 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86715 packages/chimerax/core/triggerset.py", line 190, in activate 
    86716 ret = handler.invoke(data, self._remove_bad_handlers) 
    86717 File
    86718 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86719 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86720 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86721 File
    86722 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86723 packages/chimerax/core/session.py", line 943, in <lambda> 
    86724 logger.report_exception(preface=preface)) 
    86725 File
    86726 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86727 packages/chimerax/core/logger.py", line 421, in report_exception 
    86728 elif probably_chimera1_session(exc_info): 
    86729 File
    86730 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86731 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86732 etype, evalue, etraceback = exc_info 
    86733 TypeError: cannot unpack non-iterable NoneType object 
    86734  
    86735 TypeError: cannot unpack non-iterable NoneType object 
    86736  
    86737 File
    86738 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86739 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86740 etype, evalue, etraceback = exc_info 
    86741  
    86742 See log for complete Python traceback. 
    86743  
    86744 Traceback (most recent call last): 
    86745 File
    86746 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86747 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86748 return self._func(self._name, data) 
    86749 File
    86750 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86751 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86752 if v.display: 
    86753 File
    86754 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86755 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86756 return self._any_displayed_positions and len(self._positions) > 0 
    86757 TypeError: object of type 'NoneType' has no len() 
    86758  
    86759 During handling of the above exception, another exception occurred: 
    86760  
    86761 Traceback (most recent call last): 
    86762 File
    86763 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86764 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86765 if not self.draw_new_frame(): 
    86766 File
    86767 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86768 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86769 changed = view.check_for_drawing_change() 
    86770 File
    86771 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86772 packages/chimerax/core/graphics/view.py", line 252, in
    86773 check_for_drawing_change 
    86774 trig.activate_trigger('graphics update', self) 
    86775 File
    86776 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86777 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86778 trigger.activate(data) 
    86779 File
    86780 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86781 packages/chimerax/core/triggerset.py", line 190, in activate 
    86782 ret = handler.invoke(data, self._remove_bad_handlers) 
    86783 File
    86784 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86785 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86786 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86787 File
    86788 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86789 packages/chimerax/core/session.py", line 943, in <lambda> 
    86790 logger.report_exception(preface=preface)) 
    86791 File
    86792 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86793 packages/chimerax/core/logger.py", line 421, in report_exception 
    86794 elif probably_chimera1_session(exc_info): 
    86795 File
    86796 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86797 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86798 etype, evalue, etraceback = exc_info 
    86799 TypeError: cannot unpack non-iterable NoneType object 
    86800  
    86801 TypeError: cannot unpack non-iterable NoneType object 
    86802  
    86803 File
    86804 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86805 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86806 etype, evalue, etraceback = exc_info 
    86807  
    86808 See log for complete Python traceback. 
    86809  
    86810 Traceback (most recent call last): 
    86811 File
    86812 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86813 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86814 return self._func(self._name, data) 
    86815 File
    86816 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86817 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86818 if v.display: 
    86819 File
    86820 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86821 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86822 return self._any_displayed_positions and len(self._positions) > 0 
    86823 TypeError: object of type 'NoneType' has no len() 
    86824  
    86825 During handling of the above exception, another exception occurred: 
    86826  
    86827 Traceback (most recent call last): 
    86828 File
    86829 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86830 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86831 if not self.draw_new_frame(): 
    86832 File
    86833 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86834 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86835 changed = view.check_for_drawing_change() 
    86836 File
    86837 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86838 packages/chimerax/core/graphics/view.py", line 252, in
    86839 check_for_drawing_change 
    86840 trig.activate_trigger('graphics update', self) 
    86841 File
    86842 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86843 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86844 trigger.activate(data) 
    86845 File
    86846 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86847 packages/chimerax/core/triggerset.py", line 190, in activate 
    86848 ret = handler.invoke(data, self._remove_bad_handlers) 
    86849 File
    86850 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86851 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86852 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86853 File
    86854 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86855 packages/chimerax/core/session.py", line 943, in <lambda> 
    86856 logger.report_exception(preface=preface)) 
    86857 File
    86858 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86859 packages/chimerax/core/logger.py", line 421, in report_exception 
    86860 elif probably_chimera1_session(exc_info): 
    86861 File
    86862 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86863 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86864 etype, evalue, etraceback = exc_info 
    86865 TypeError: cannot unpack non-iterable NoneType object 
    86866  
    86867 TypeError: cannot unpack non-iterable NoneType object 
    86868  
    86869 File
    86870 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86871 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86872 etype, evalue, etraceback = exc_info 
    86873  
    86874 See log for complete Python traceback. 
    86875  
    86876 Traceback (most recent call last): 
    86877 File
    86878 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86879 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86880 return self._func(self._name, data) 
    86881 File
    86882 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86883 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86884 if v.display: 
    86885 File
    86886 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86887 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86888 return self._any_displayed_positions and len(self._positions) > 0 
    86889 TypeError: object of type 'NoneType' has no len() 
    86890  
    86891 During handling of the above exception, another exception occurred: 
    86892  
    86893 Traceback (most recent call last): 
    86894 File
    86895 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86896 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86897 if not self.draw_new_frame(): 
    86898 File
    86899 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86900 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86901 changed = view.check_for_drawing_change() 
    86902 File
    86903 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86904 packages/chimerax/core/graphics/view.py", line 252, in
    86905 check_for_drawing_change 
    86906 trig.activate_trigger('graphics update', self) 
    86907 File
    86908 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86909 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86910 trigger.activate(data) 
    86911 File
    86912 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86913 packages/chimerax/core/triggerset.py", line 190, in activate 
    86914 ret = handler.invoke(data, self._remove_bad_handlers) 
    86915 File
    86916 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86917 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86918 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86919 File
    86920 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86921 packages/chimerax/core/session.py", line 943, in <lambda> 
    86922 logger.report_exception(preface=preface)) 
    86923 File
    86924 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86925 packages/chimerax/core/logger.py", line 421, in report_exception 
    86926 elif probably_chimera1_session(exc_info): 
    86927 File
    86928 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86929 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86930 etype, evalue, etraceback = exc_info 
    86931 TypeError: cannot unpack non-iterable NoneType object 
    86932  
    86933 TypeError: cannot unpack non-iterable NoneType object 
    86934  
    86935 File
    86936 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86937 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86938 etype, evalue, etraceback = exc_info 
    86939  
    86940 See log for complete Python traceback. 
    86941  
    86942 Traceback (most recent call last): 
    86943 File
    86944 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86945 packages/chimerax/core/triggerset.py", line 130, in invoke 
    86946 return self._func(self._name, data) 
    86947 File
    86948 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86949 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    86950 if v.display: 
    86951 File
    86952 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86953 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    86954 return self._any_displayed_positions and len(self._positions) > 0 
    86955 TypeError: object of type 'NoneType' has no len() 
    86956  
    86957 During handling of the above exception, another exception occurred: 
    86958  
    86959 Traceback (most recent call last): 
    86960 File
    86961 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86962 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    86963 if not self.draw_new_frame(): 
    86964 File
    86965 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86966 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    86967 changed = view.check_for_drawing_change() 
    86968 File
    86969 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86970 packages/chimerax/core/graphics/view.py", line 252, in
    86971 check_for_drawing_change 
    86972 trig.activate_trigger('graphics update', self) 
    86973 File
    86974 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86975 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    86976 trigger.activate(data) 
    86977 File
    86978 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86979 packages/chimerax/core/triggerset.py", line 190, in activate 
    86980 ret = handler.invoke(data, self._remove_bad_handlers) 
    86981 File
    86982 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86983 packages/chimerax/core/triggerset.py", line 132, in invoke 
    86984 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    86985 File
    86986 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86987 packages/chimerax/core/session.py", line 943, in <lambda> 
    86988 logger.report_exception(preface=preface)) 
    86989 File
    86990 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86991 packages/chimerax/core/logger.py", line 421, in report_exception 
    86992 elif probably_chimera1_session(exc_info): 
    86993 File
    86994 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    86995 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    86996 etype, evalue, etraceback = exc_info 
    86997 TypeError: cannot unpack non-iterable NoneType object 
    86998  
    86999 TypeError: cannot unpack non-iterable NoneType object 
    87000  
    87001 File
    87002 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87003 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87004 etype, evalue, etraceback = exc_info 
    87005  
    87006 See log for complete Python traceback. 
    87007  
    87008 Traceback (most recent call last): 
    87009 File
    87010 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87011 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87012 return self._func(self._name, data) 
    87013 File
    87014 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87015 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87016 if v.display: 
    87017 File
    87018 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87019 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87020 return self._any_displayed_positions and len(self._positions) > 0 
    87021 TypeError: object of type 'NoneType' has no len() 
    87022  
    87023 During handling of the above exception, another exception occurred: 
    87024  
    87025 Traceback (most recent call last): 
    87026 File
    87027 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87028 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87029 if not self.draw_new_frame(): 
    87030 File
    87031 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87032 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87033 changed = view.check_for_drawing_change() 
    87034 File
    87035 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87036 packages/chimerax/core/graphics/view.py", line 252, in
    87037 check_for_drawing_change 
    87038 trig.activate_trigger('graphics update', self) 
    87039 File
    87040 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87041 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87042 trigger.activate(data) 
    87043 File
    87044 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87045 packages/chimerax/core/triggerset.py", line 190, in activate 
    87046 ret = handler.invoke(data, self._remove_bad_handlers) 
    87047 File
    87048 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87049 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87050 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87051 File
    87052 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87053 packages/chimerax/core/session.py", line 943, in <lambda> 
    87054 logger.report_exception(preface=preface)) 
    87055 File
    87056 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87057 packages/chimerax/core/logger.py", line 421, in report_exception 
    87058 elif probably_chimera1_session(exc_info): 
    87059 File
    87060 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87061 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87062 etype, evalue, etraceback = exc_info 
    87063 TypeError: cannot unpack non-iterable NoneType object 
    87064  
    87065 TypeError: cannot unpack non-iterable NoneType object 
    87066  
    87067 File
    87068 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87069 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87070 etype, evalue, etraceback = exc_info 
    87071  
    87072 See log for complete Python traceback. 
    87073  
    87074 Traceback (most recent call last): 
    87075 File
    87076 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87077 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87078 return self._func(self._name, data) 
    87079 File
    87080 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87081 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87082 if v.display: 
    87083 File
    87084 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87085 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87086 return self._any_displayed_positions and len(self._positions) > 0 
    87087 TypeError: object of type 'NoneType' has no len() 
    87088  
    87089 During handling of the above exception, another exception occurred: 
    87090  
    87091 Traceback (most recent call last): 
    87092 File
    87093 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87094 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87095 if not self.draw_new_frame(): 
    87096 File
    87097 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87098 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87099 changed = view.check_for_drawing_change() 
    87100 File
    87101 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87102 packages/chimerax/core/graphics/view.py", line 252, in
    87103 check_for_drawing_change 
    87104 trig.activate_trigger('graphics update', self) 
    87105 File
    87106 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87107 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87108 trigger.activate(data) 
    87109 File
    87110 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87111 packages/chimerax/core/triggerset.py", line 190, in activate 
    87112 ret = handler.invoke(data, self._remove_bad_handlers) 
    87113 File
    87114 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87115 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87116 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87117 File
    87118 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87119 packages/chimerax/core/session.py", line 943, in <lambda> 
    87120 logger.report_exception(preface=preface)) 
    87121 File
    87122 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87123 packages/chimerax/core/logger.py", line 421, in report_exception 
    87124 elif probably_chimera1_session(exc_info): 
    87125 File
    87126 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87127 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87128 etype, evalue, etraceback = exc_info 
    87129 TypeError: cannot unpack non-iterable NoneType object 
    87130  
    87131 TypeError: cannot unpack non-iterable NoneType object 
    87132  
    87133 File
    87134 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87135 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87136 etype, evalue, etraceback = exc_info 
    87137  
    87138 See log for complete Python traceback. 
    87139  
    87140 Traceback (most recent call last): 
    87141 File
    87142 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87144 return self._func(self._name, data) 
    87145 File
    87146 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87147 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87148 if v.display: 
    87149 File
    87150 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87151 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87152 return self._any_displayed_positions and len(self._positions) > 0 
    87153 TypeError: object of type 'NoneType' has no len() 
    87154  
    87155 During handling of the above exception, another exception occurred: 
    87156  
    87157 Traceback (most recent call last): 
    87158 File
    87159 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87160 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87161 if not self.draw_new_frame(): 
    87162 File
    87163 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87164 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87165 changed = view.check_for_drawing_change() 
    87166 File
    87167 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87168 packages/chimerax/core/graphics/view.py", line 252, in
    87169 check_for_drawing_change 
    87170 trig.activate_trigger('graphics update', self) 
    87171 File
    87172 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87173 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87174 trigger.activate(data) 
    87175 File
    87176 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87177 packages/chimerax/core/triggerset.py", line 190, in activate 
    87178 ret = handler.invoke(data, self._remove_bad_handlers) 
    87179 File
    87180 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87181 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87182 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87183 File
    87184 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87185 packages/chimerax/core/session.py", line 943, in <lambda> 
    87186 logger.report_exception(preface=preface)) 
    87187 File
    87188 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87189 packages/chimerax/core/logger.py", line 421, in report_exception 
    87190 elif probably_chimera1_session(exc_info): 
    87191 File
    87192 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87193 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87194 etype, evalue, etraceback = exc_info 
    87195 TypeError: cannot unpack non-iterable NoneType object 
    87196  
    87197 TypeError: cannot unpack non-iterable NoneType object 
    87198  
    87199 File
    87200 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87201 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87202 etype, evalue, etraceback = exc_info 
    87203  
    87204 See log for complete Python traceback. 
    87205  
    87206 Traceback (most recent call last): 
    87207 File
    87208 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87209 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87210 return self._func(self._name, data) 
    87211 File
    87212 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87213 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87214 if v.display: 
    87215 File
    87216 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87217 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87218 return self._any_displayed_positions and len(self._positions) > 0 
    87219 TypeError: object of type 'NoneType' has no len() 
    87220  
    87221 During handling of the above exception, another exception occurred: 
    87222  
    87223 Traceback (most recent call last): 
    87224 File
    87225 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87226 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87227 if not self.draw_new_frame(): 
    87228 File
    87229 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87230 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87231 changed = view.check_for_drawing_change() 
    87232 File
    87233 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87234 packages/chimerax/core/graphics/view.py", line 252, in
    87235 check_for_drawing_change 
    87236 trig.activate_trigger('graphics update', self) 
    87237 File
    87238 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87239 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87240 trigger.activate(data) 
    87241 File
    87242 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87243 packages/chimerax/core/triggerset.py", line 190, in activate 
    87244 ret = handler.invoke(data, self._remove_bad_handlers) 
    87245 File
    87246 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87247 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87248 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87249 File
    87250 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87251 packages/chimerax/core/session.py", line 943, in <lambda> 
    87252 logger.report_exception(preface=preface)) 
    87253 File
    87254 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87255 packages/chimerax/core/logger.py", line 421, in report_exception 
    87256 elif probably_chimera1_session(exc_info): 
    87257 File
    87258 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87259 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87260 etype, evalue, etraceback = exc_info 
    87261 TypeError: cannot unpack non-iterable NoneType object 
    87262  
    87263 TypeError: cannot unpack non-iterable NoneType object 
    87264  
    87265 File
    87266 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87267 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87268 etype, evalue, etraceback = exc_info 
    87269  
    87270 See log for complete Python traceback. 
    87271  
    87272 Traceback (most recent call last): 
    87273 File
    87274 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87275 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87276 return self._func(self._name, data) 
    87277 File
    87278 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87279 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87280 if v.display: 
    87281 File
    87282 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87283 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87284 return self._any_displayed_positions and len(self._positions) > 0 
    87285 TypeError: object of type 'NoneType' has no len() 
    87286  
    87287 During handling of the above exception, another exception occurred: 
    87288  
    87289 Traceback (most recent call last): 
    87290 File
    87291 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87292 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87293 if not self.draw_new_frame(): 
    87294 File
    87295 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87296 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87297 changed = view.check_for_drawing_change() 
    87298 File
    87299 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87300 packages/chimerax/core/graphics/view.py", line 252, in
    87301 check_for_drawing_change 
    87302 trig.activate_trigger('graphics update', self) 
    87303 File
    87304 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87305 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87306 trigger.activate(data) 
    87307 File
    87308 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87309 packages/chimerax/core/triggerset.py", line 190, in activate 
    87310 ret = handler.invoke(data, self._remove_bad_handlers) 
    87311 File
    87312 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87313 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87314 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87315 File
    87316 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87317 packages/chimerax/core/session.py", line 943, in <lambda> 
    87318 logger.report_exception(preface=preface)) 
    87319 File
    87320 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87321 packages/chimerax/core/logger.py", line 421, in report_exception 
    87322 elif probably_chimera1_session(exc_info): 
    87323 File
    87324 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87325 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87326 etype, evalue, etraceback = exc_info 
    87327 TypeError: cannot unpack non-iterable NoneType object 
    87328  
    87329 TypeError: cannot unpack non-iterable NoneType object 
    87330  
    87331 File
    87332 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87333 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87334 etype, evalue, etraceback = exc_info 
    87335  
    87336 See log for complete Python traceback. 
    87337  
    87338 Traceback (most recent call last): 
    87339 File
    87340 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87341 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87342 return self._func(self._name, data) 
    87343 File
    87344 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87345 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87346 if v.display: 
    87347 File
    87348 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87349 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87350 return self._any_displayed_positions and len(self._positions) > 0 
    87351 TypeError: object of type 'NoneType' has no len() 
    87352  
    87353 During handling of the above exception, another exception occurred: 
    87354  
    87355 Traceback (most recent call last): 
    87356 File
    87357 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87358 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87359 if not self.draw_new_frame(): 
    87360 File
    87361 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87362 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87363 changed = view.check_for_drawing_change() 
    87364 File
    87365 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87366 packages/chimerax/core/graphics/view.py", line 252, in
    87367 check_for_drawing_change 
    87368 trig.activate_trigger('graphics update', self) 
    87369 File
    87370 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87371 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87372 trigger.activate(data) 
    87373 File
    87374 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87375 packages/chimerax/core/triggerset.py", line 190, in activate 
    87376 ret = handler.invoke(data, self._remove_bad_handlers) 
    87377 File
    87378 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87379 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87380 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87381 File
    87382 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87383 packages/chimerax/core/session.py", line 943, in <lambda> 
    87384 logger.report_exception(preface=preface)) 
    87385 File
    87386 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87387 packages/chimerax/core/logger.py", line 421, in report_exception 
    87388 elif probably_chimera1_session(exc_info): 
    87389 File
    87390 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87391 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87392 etype, evalue, etraceback = exc_info 
    87393 TypeError: cannot unpack non-iterable NoneType object 
    87394  
    87395 TypeError: cannot unpack non-iterable NoneType object 
    87396  
    87397 File
    87398 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87399 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87400 etype, evalue, etraceback = exc_info 
    87401  
    87402 See log for complete Python traceback. 
    87403  
    87404 Traceback (most recent call last): 
    87405 File
    87406 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87407 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87408 return self._func(self._name, data) 
    87409 File
    87410 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87411 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87412 if v.display: 
    87413 File
    87414 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87415 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87416 return self._any_displayed_positions and len(self._positions) > 0 
    87417 TypeError: object of type 'NoneType' has no len() 
    87418  
    87419 During handling of the above exception, another exception occurred: 
    87420  
    87421 Traceback (most recent call last): 
    87422 File
    87423 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87424 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87425 if not self.draw_new_frame(): 
    87426 File
    87427 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87428 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87429 changed = view.check_for_drawing_change() 
    87430 File
    87431 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87432 packages/chimerax/core/graphics/view.py", line 252, in
    87433 check_for_drawing_change 
    87434 trig.activate_trigger('graphics update', self) 
    87435 File
    87436 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87437 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87438 trigger.activate(data) 
    87439 File
    87440 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87441 packages/chimerax/core/triggerset.py", line 190, in activate 
    87442 ret = handler.invoke(data, self._remove_bad_handlers) 
    87443 File
    87444 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87445 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87446 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87447 File
    87448 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87449 packages/chimerax/core/session.py", line 943, in <lambda> 
    87450 logger.report_exception(preface=preface)) 
    87451 File
    87452 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87453 packages/chimerax/core/logger.py", line 421, in report_exception 
    87454 elif probably_chimera1_session(exc_info): 
    87455 File
    87456 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87457 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87458 etype, evalue, etraceback = exc_info 
    87459 TypeError: cannot unpack non-iterable NoneType object 
    87460  
    87461 TypeError: cannot unpack non-iterable NoneType object 
    87462  
    87463 File
    87464 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87465 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87466 etype, evalue, etraceback = exc_info 
    87467  
    87468 See log for complete Python traceback. 
    87469  
    87470 Traceback (most recent call last): 
    87471 File
    87472 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87473 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87474 return self._func(self._name, data) 
    87475 File
    87476 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87477 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87478 if v.display: 
    87479 File
    87480 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87481 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87482 return self._any_displayed_positions and len(self._positions) > 0 
    87483 TypeError: object of type 'NoneType' has no len() 
    87484  
    87485 During handling of the above exception, another exception occurred: 
    87486  
    87487 Traceback (most recent call last): 
    87488 File
    87489 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87490 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87491 if not self.draw_new_frame(): 
    87492 File
    87493 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87494 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87495 changed = view.check_for_drawing_change() 
    87496 File
    87497 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87498 packages/chimerax/core/graphics/view.py", line 252, in
    87499 check_for_drawing_change 
    87500 trig.activate_trigger('graphics update', self) 
    87501 File
    87502 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87503 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87504 trigger.activate(data) 
    87505 File
    87506 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87507 packages/chimerax/core/triggerset.py", line 190, in activate 
    87508 ret = handler.invoke(data, self._remove_bad_handlers) 
    87509 File
    87510 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87511 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87512 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87513 File
    87514 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87515 packages/chimerax/core/session.py", line 943, in <lambda> 
    87516 logger.report_exception(preface=preface)) 
    87517 File
    87518 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87519 packages/chimerax/core/logger.py", line 421, in report_exception 
    87520 elif probably_chimera1_session(exc_info): 
    87521 File
    87522 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87523 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87524 etype, evalue, etraceback = exc_info 
    87525 TypeError: cannot unpack non-iterable NoneType object 
    87526  
    87527 TypeError: cannot unpack non-iterable NoneType object 
    87528  
    87529 File
    87530 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87531 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87532 etype, evalue, etraceback = exc_info 
    87533  
    87534 See log for complete Python traceback. 
    87535  
    87536 Traceback (most recent call last): 
    87537 File
    87538 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87539 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87540 return self._func(self._name, data) 
    87541 File
    87542 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87543 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87544 if v.display: 
    87545 File
    87546 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87547 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87548 return self._any_displayed_positions and len(self._positions) > 0 
    87549 TypeError: object of type 'NoneType' has no len() 
    87550  
    87551 During handling of the above exception, another exception occurred: 
    87552  
    87553 Traceback (most recent call last): 
    87554 File
    87555 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87556 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87557 if not self.draw_new_frame(): 
    87558 File
    87559 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87560 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87561 changed = view.check_for_drawing_change() 
    87562 File
    87563 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87564 packages/chimerax/core/graphics/view.py", line 252, in
    87565 check_for_drawing_change 
    87566 trig.activate_trigger('graphics update', self) 
    87567 File
    87568 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87569 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87570 trigger.activate(data) 
    87571 File
    87572 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87573 packages/chimerax/core/triggerset.py", line 190, in activate 
    87574 ret = handler.invoke(data, self._remove_bad_handlers) 
    87575 File
    87576 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87577 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87578 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87579 File
    87580 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87581 packages/chimerax/core/session.py", line 943, in <lambda> 
    87582 logger.report_exception(preface=preface)) 
    87583 File
    87584 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87585 packages/chimerax/core/logger.py", line 421, in report_exception 
    87586 elif probably_chimera1_session(exc_info): 
    87587 File
    87588 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87589 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87590 etype, evalue, etraceback = exc_info 
    87591 TypeError: cannot unpack non-iterable NoneType object 
    87592  
    87593 TypeError: cannot unpack non-iterable NoneType object 
    87594  
    87595 File
    87596 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87597 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87598 etype, evalue, etraceback = exc_info 
    87599  
    87600 See log for complete Python traceback. 
    87601  
    87602 Traceback (most recent call last): 
    87603 File
    87604 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87605 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87606 return self._func(self._name, data) 
    87607 File
    87608 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87609 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87610 if v.display: 
    87611 File
    87612 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87613 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87614 return self._any_displayed_positions and len(self._positions) > 0 
    87615 TypeError: object of type 'NoneType' has no len() 
    87616  
    87617 During handling of the above exception, another exception occurred: 
    87618  
    87619 Traceback (most recent call last): 
    87620 File
    87621 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87622 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87623 if not self.draw_new_frame(): 
    87624 File
    87625 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87626 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87627 changed = view.check_for_drawing_change() 
    87628 File
    87629 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87630 packages/chimerax/core/graphics/view.py", line 252, in
    87631 check_for_drawing_change 
    87632 trig.activate_trigger('graphics update', self) 
    87633 File
    87634 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87635 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87636 trigger.activate(data) 
    87637 File
    87638 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87639 packages/chimerax/core/triggerset.py", line 190, in activate 
    87640 ret = handler.invoke(data, self._remove_bad_handlers) 
    87641 File
    87642 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87643 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87644 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87645 File
    87646 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87647 packages/chimerax/core/session.py", line 943, in <lambda> 
    87648 logger.report_exception(preface=preface)) 
    87649 File
    87650 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87651 packages/chimerax/core/logger.py", line 421, in report_exception 
    87652 elif probably_chimera1_session(exc_info): 
    87653 File
    87654 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87655 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87656 etype, evalue, etraceback = exc_info 
    87657 TypeError: cannot unpack non-iterable NoneType object 
    87658  
    87659 TypeError: cannot unpack non-iterable NoneType object 
    87660  
    87661 File
    87662 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87663 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87664 etype, evalue, etraceback = exc_info 
    87665  
    87666 See log for complete Python traceback. 
    87667  
    87668 Traceback (most recent call last): 
    87669 File
    87670 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87671 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87672 return self._func(self._name, data) 
    87673 File
    87674 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87675 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87676 if v.display: 
    87677 File
    87678 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87679 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87680 return self._any_displayed_positions and len(self._positions) > 0 
    87681 TypeError: object of type 'NoneType' has no len() 
    87682  
    87683 During handling of the above exception, another exception occurred: 
    87684  
    87685 Traceback (most recent call last): 
    87686 File
    87687 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87688 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87689 if not self.draw_new_frame(): 
    87690 File
    87691 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87692 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87693 changed = view.check_for_drawing_change() 
    87694 File
    87695 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87696 packages/chimerax/core/graphics/view.py", line 252, in
    87697 check_for_drawing_change 
    87698 trig.activate_trigger('graphics update', self) 
    87699 File
    87700 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87701 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87702 trigger.activate(data) 
    87703 File
    87704 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87705 packages/chimerax/core/triggerset.py", line 190, in activate 
    87706 ret = handler.invoke(data, self._remove_bad_handlers) 
    87707 File
    87708 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87709 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87710 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87711 File
    87712 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87713 packages/chimerax/core/session.py", line 943, in <lambda> 
    87714 logger.report_exception(preface=preface)) 
    87715 File
    87716 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87717 packages/chimerax/core/logger.py", line 421, in report_exception 
    87718 elif probably_chimera1_session(exc_info): 
    87719 File
    87720 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87721 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87722 etype, evalue, etraceback = exc_info 
    87723 TypeError: cannot unpack non-iterable NoneType object 
    87724  
    87725 TypeError: cannot unpack non-iterable NoneType object 
    87726  
    87727 File
    87728 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87729 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87730 etype, evalue, etraceback = exc_info 
    87731  
    87732 See log for complete Python traceback. 
    87733  
    87734 Traceback (most recent call last): 
    87735 File
    87736 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87737 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87738 return self._func(self._name, data) 
    87739 File
    87740 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87741 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87742 if v.display: 
    87743 File
    87744 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87745 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87746 return self._any_displayed_positions and len(self._positions) > 0 
    87747 TypeError: object of type 'NoneType' has no len() 
    87748  
    87749 During handling of the above exception, another exception occurred: 
    87750  
    87751 Traceback (most recent call last): 
    87752 File
    87753 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87754 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87755 if not self.draw_new_frame(): 
    87756 File
    87757 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87758 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87759 changed = view.check_for_drawing_change() 
    87760 File
    87761 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87762 packages/chimerax/core/graphics/view.py", line 252, in
    87763 check_for_drawing_change 
    87764 trig.activate_trigger('graphics update', self) 
    87765 File
    87766 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87767 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87768 trigger.activate(data) 
    87769 File
    87770 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87771 packages/chimerax/core/triggerset.py", line 190, in activate 
    87772 ret = handler.invoke(data, self._remove_bad_handlers) 
    87773 File
    87774 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87775 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87776 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87777 File
    87778 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87779 packages/chimerax/core/session.py", line 943, in <lambda> 
    87780 logger.report_exception(preface=preface)) 
    87781 File
    87782 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87783 packages/chimerax/core/logger.py", line 421, in report_exception 
    87784 elif probably_chimera1_session(exc_info): 
    87785 File
    87786 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87787 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87788 etype, evalue, etraceback = exc_info 
    87789 TypeError: cannot unpack non-iterable NoneType object 
    87790  
    87791 TypeError: cannot unpack non-iterable NoneType object 
    87792  
    87793 File
    87794 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87795 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87796 etype, evalue, etraceback = exc_info 
    87797  
    87798 See log for complete Python traceback. 
    87799  
    87800 Traceback (most recent call last): 
    87801 File
    87802 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87803 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87804 return self._func(self._name, data) 
    87805 File
    87806 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87807 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87808 if v.display: 
    87809 File
    87810 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87811 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87812 return self._any_displayed_positions and len(self._positions) > 0 
    87813 TypeError: object of type 'NoneType' has no len() 
    87814  
    87815 During handling of the above exception, another exception occurred: 
    87816  
    87817 Traceback (most recent call last): 
    87818 File
    87819 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87820 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87821 if not self.draw_new_frame(): 
    87822 File
    87823 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87824 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87825 changed = view.check_for_drawing_change() 
    87826 File
    87827 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87828 packages/chimerax/core/graphics/view.py", line 252, in
    87829 check_for_drawing_change 
    87830 trig.activate_trigger('graphics update', self) 
    87831 File
    87832 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87833 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87834 trigger.activate(data) 
    87835 File
    87836 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87837 packages/chimerax/core/triggerset.py", line 190, in activate 
    87838 ret = handler.invoke(data, self._remove_bad_handlers) 
    87839 File
    87840 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87841 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87842 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87843 File
    87844 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87845 packages/chimerax/core/session.py", line 943, in <lambda> 
    87846 logger.report_exception(preface=preface)) 
    87847 File
    87848 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87849 packages/chimerax/core/logger.py", line 421, in report_exception 
    87850 elif probably_chimera1_session(exc_info): 
    87851 File
    87852 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87853 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87854 etype, evalue, etraceback = exc_info 
    87855 TypeError: cannot unpack non-iterable NoneType object 
    87856  
    87857 TypeError: cannot unpack non-iterable NoneType object 
    87858  
    87859 File
    87860 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87861 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87862 etype, evalue, etraceback = exc_info 
    87863  
    87864 See log for complete Python traceback. 
    87865  
    87866 Traceback (most recent call last): 
    87867 File
    87868 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87869 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87870 return self._func(self._name, data) 
    87871 File
    87872 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87873 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87874 if v.display: 
    87875 File
    87876 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87877 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87878 return self._any_displayed_positions and len(self._positions) > 0 
    87879 TypeError: object of type 'NoneType' has no len() 
    87880  
    87881 During handling of the above exception, another exception occurred: 
    87882  
    87883 Traceback (most recent call last): 
    87884 File
    87885 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87886 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87887 if not self.draw_new_frame(): 
    87888 File
    87889 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87890 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87891 changed = view.check_for_drawing_change() 
    87892 File
    87893 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87894 packages/chimerax/core/graphics/view.py", line 252, in
    87895 check_for_drawing_change 
    87896 trig.activate_trigger('graphics update', self) 
    87897 File
    87898 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87899 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87900 trigger.activate(data) 
    87901 File
    87902 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87903 packages/chimerax/core/triggerset.py", line 190, in activate 
    87904 ret = handler.invoke(data, self._remove_bad_handlers) 
    87905 File
    87906 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87907 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87908 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87909 File
    87910 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87911 packages/chimerax/core/session.py", line 943, in <lambda> 
    87912 logger.report_exception(preface=preface)) 
    87913 File
    87914 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87915 packages/chimerax/core/logger.py", line 421, in report_exception 
    87916 elif probably_chimera1_session(exc_info): 
    87917 File
    87918 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87919 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87920 etype, evalue, etraceback = exc_info 
    87921 TypeError: cannot unpack non-iterable NoneType object 
    87922  
    87923 TypeError: cannot unpack non-iterable NoneType object 
    87924  
    87925 File
    87926 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87927 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87928 etype, evalue, etraceback = exc_info 
    87929  
    87930 See log for complete Python traceback. 
    87931  
    87932 Traceback (most recent call last): 
    87933 File
    87934 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87935 packages/chimerax/core/triggerset.py", line 130, in invoke 
    87936 return self._func(self._name, data) 
    87937 File
    87938 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87939 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    87940 if v.display: 
    87941 File
    87942 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87943 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    87944 return self._any_displayed_positions and len(self._positions) > 0 
    87945 TypeError: object of type 'NoneType' has no len() 
    87946  
    87947 During handling of the above exception, another exception occurred: 
    87948  
    87949 Traceback (most recent call last): 
    87950 File
    87951 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87952 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    87953 if not self.draw_new_frame(): 
    87954 File
    87955 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87956 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    87957 changed = view.check_for_drawing_change() 
    87958 File
    87959 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87960 packages/chimerax/core/graphics/view.py", line 252, in
    87961 check_for_drawing_change 
    87962 trig.activate_trigger('graphics update', self) 
    87963 File
    87964 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87965 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    87966 trigger.activate(data) 
    87967 File
    87968 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87969 packages/chimerax/core/triggerset.py", line 190, in activate 
    87970 ret = handler.invoke(data, self._remove_bad_handlers) 
    87971 File
    87972 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87973 packages/chimerax/core/triggerset.py", line 132, in invoke 
    87974 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    87975 File
    87976 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87977 packages/chimerax/core/session.py", line 943, in <lambda> 
    87978 logger.report_exception(preface=preface)) 
    87979 File
    87980 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87981 packages/chimerax/core/logger.py", line 421, in report_exception 
    87982 elif probably_chimera1_session(exc_info): 
    87983 File
    87984 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87985 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87986 etype, evalue, etraceback = exc_info 
    87987 TypeError: cannot unpack non-iterable NoneType object 
    87988  
    87989 TypeError: cannot unpack non-iterable NoneType object 
    87990  
    87991 File
    87992 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    87993 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    87994 etype, evalue, etraceback = exc_info 
    87995  
    87996 See log for complete Python traceback. 
    87997  
    87998 Traceback (most recent call last): 
    87999 File
    88000 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88001 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88002 return self._func(self._name, data) 
    88003 File
    88004 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88005 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88006 if v.display: 
    88007 File
    88008 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88009 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88010 return self._any_displayed_positions and len(self._positions) > 0 
    88011 TypeError: object of type 'NoneType' has no len() 
    88012  
    88013 During handling of the above exception, another exception occurred: 
    88014  
    88015 Traceback (most recent call last): 
    88016 File
    88017 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88018 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88019 if not self.draw_new_frame(): 
    88020 File
    88021 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88022 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88023 changed = view.check_for_drawing_change() 
    88024 File
    88025 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88026 packages/chimerax/core/graphics/view.py", line 252, in
    88027 check_for_drawing_change 
    88028 trig.activate_trigger('graphics update', self) 
    88029 File
    88030 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88031 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88032 trigger.activate(data) 
    88033 File
    88034 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88035 packages/chimerax/core/triggerset.py", line 190, in activate 
    88036 ret = handler.invoke(data, self._remove_bad_handlers) 
    88037 File
    88038 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88039 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88040 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88041 File
    88042 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88043 packages/chimerax/core/session.py", line 943, in <lambda> 
    88044 logger.report_exception(preface=preface)) 
    88045 File
    88046 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88047 packages/chimerax/core/logger.py", line 421, in report_exception 
    88048 elif probably_chimera1_session(exc_info): 
    88049 File
    88050 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88051 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88052 etype, evalue, etraceback = exc_info 
    88053 TypeError: cannot unpack non-iterable NoneType object 
    88054  
    88055 TypeError: cannot unpack non-iterable NoneType object 
    88056  
    88057 File
    88058 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88059 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88060 etype, evalue, etraceback = exc_info 
    88061  
    88062 See log for complete Python traceback. 
    88063  
    88064 Traceback (most recent call last): 
    88065 File
    88066 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88067 packages/chimerax/core/triggerset.py", line 130, in invoke 
    88068 return self._func(self._name, data) 
    88069 File
    88070 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88071 packages/chimerax/map/volume.py", line 3482, in _update_drawings 
    88072 if v.display: 
    88073 File
    88074 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88075 packages/chimerax/core/graphics/drawing.py", line 317, in get_display 
    88076 return self._any_displayed_positions and len(self._positions) > 0 
    88077 TypeError: object of type 'NoneType' has no len() 
    88078  
    88079 During handling of the above exception, another exception occurred: 
    88080  
    88081 Traceback (most recent call last): 
    88082 File
    88083 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88084 packages/chimerax/core/updateloop.py", line 128, in _redraw_timer_callback 
    88085 if not self.draw_new_frame(): 
    88086 File
    88087 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88088 packages/chimerax/core/updateloop.py", line 64, in draw_new_frame 
    88089 changed = view.check_for_drawing_change() 
    88090 File
    88091 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88092 packages/chimerax/core/graphics/view.py", line 252, in
    88093 check_for_drawing_change 
    88094 trig.activate_trigger('graphics update', self) 
    88095 File
    88096 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88097 packages/chimerax/core/triggerset.py", line 325, in activate_trigger 
    88098 trigger.activate(data) 
    88099 File
    88100 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88101 packages/chimerax/core/triggerset.py", line 190, in activate 
    88102 ret = handler.invoke(data, self._remove_bad_handlers) 
    88103 File
    88104 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88105 packages/chimerax/core/triggerset.py", line 132, in invoke 
    88106 _report('%s "%s": %s' % (TRIGGER_ERROR, self._name, str(e))) 
    88107 File
    88108 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88109 packages/chimerax/core/session.py", line 943, in <lambda> 
    88110 logger.report_exception(preface=preface)) 
    88111 File
    88112 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88113 packages/chimerax/core/logger.py", line 421, in report_exception 
    88114 elif probably_chimera1_session(exc_info): 
    88115 File
    88116 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88117 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88118 etype, evalue, etraceback = exc_info 
    88119 TypeError: cannot unpack non-iterable NoneType object 
    88120  
    88121 TypeError: cannot unpack non-iterable NoneType object 
    88122  
    88123 File
    88124 "/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
    88125 packages/chimerax/core/logger.py", line 720, in probably_chimera1_session 
    88126 etype, evalue, etraceback = exc_info 
    88127  
    88128 See log for complete Python traceback. 
    88129  
    88130378
    88131379