Changes between Initial Version and Version 1 of Ticket #7634


Ignore:
Timestamp:
Sep 20, 2022, 9:02:22 AM (3 years ago)
Author:
Eric Pettersen
Comment:

1.4, but before going to Python 3..9.11

Legend:

Unmodified
Added
Removed
Modified

  • Ticket #7634

    • Property Cc Tom Goddard added
    • Property Component Unassigned → Platform
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Resolution → can't reproduce
    • Property Status new → closed
    • Property Summary ChimeraX bug report submission → Crash using File→Open on Windows and/or in return statement

  • Ticket #7634 – Description

    initial v1  
    747747  File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    748748
    749 Thread 0x00003544 (most recent call first):
    750   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    751   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    752   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    753   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    754 
    755 Thread 0x000043dc (most recent call first):
    756   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    757   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    758   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    759   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    760 
    761 Thread 0x00002510 (most recent call first):
    762   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    763   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    764   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    765   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    766 
    767 Thread 0x0000501c (most recent call first):
    768   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    769   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    770   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    771   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    772 
    773 Thread 0x00005efc (most recent call first):
    774   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    775   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    776   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    777   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    778 
    779 Thread 0x00004354 (most recent call first):
    780   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    781   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    782   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    783   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    784 
    785 Thread 0x000052bc (most recent call first):
    786   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    787   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    788   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    789   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    790 
    791 Thread 0x00000f5c (most recent call first):
    792   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    793   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    794   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    795   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    796 
    797 Thread 0x0000178c (most recent call first):
    798   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    799   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    800   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    801   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    802 
    803 Thread 0x00000434 (most recent call first):
    804   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    805   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    806   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    807   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    808 
    809 Thread 0x000056ec (most recent call first):
    810   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    811   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    812   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    813   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    814   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    815   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    816   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    817   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    818   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    819   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    820   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    821   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    822 Windows fatal exception: code 0x8001010e
    823 
    824 Thread 0x00004674 (most recent call first):
    825   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    826   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    827   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    828   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    829 
    830 Thread 0x00004ad4 (most recent call first):
    831   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    832   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    833   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    834   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    835 
    836 Thread 0x00000c8c (most recent call first):
    837   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    838   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    839   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    840   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    841   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    842   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    843   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    844 
    845 Thread 0x000063c8 (most recent call first):
    846   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    847   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    848   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    849   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    850 
    851 Thread 0x0000264c (most recent call first):
    852   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    853   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    854   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    855   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    856 
    857 Thread 0x00003190 (most recent call first):
    858   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    859   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    860   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    861   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    862 
    863 Thread 0x00004cdc (most recent call first):
    864   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    865   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    866   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    867   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    868 
    869 Thread 0x000052cc (most recent call first):
    870   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    871   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    872   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    873   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    874 
    875 Thread 0x0000293c (most recent call first):
    876   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    877   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    878   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    879   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    880 
    881 Thread 0x00003544 (most recent call first):
    882   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    883   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    884   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    885   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    886 
    887 Thread 0x000043dc (most recent call first):
    888   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    889   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    890   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    891   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    892 
    893 Thread 0x00002510 (most recent call first):
    894   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    895   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    896   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    897   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    898 
    899 Thread 0x0000501c (most recent call first):
    900   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    901   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    902   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    903   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    904 
    905 Thread 0x00005efc (most recent call first):
    906   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    907   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    908   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    909   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    910 
    911 Thread 0x00004354 (most recent call first):
    912   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    913   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    914   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    915   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    916 
    917 Thread 0x000052bc (most recent call first):
    918   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    919   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    920   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    921   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    922 
    923 Thread 0x00000f5c (most recent call first):
    924   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    925   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    926   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    927   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    928 
    929 Thread 0x0000178c (most recent call first):
    930   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    931   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    932   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    933   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    934 
    935 Thread 0x00000434 (most recent call first):
    936   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    937   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    938   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    939   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    940 
    941 Thread 0x000056ec (most recent call first):
    942   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    943   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    944   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    945   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    946   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    947   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    948   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    949   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    950   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    951   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    952   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    953   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    954 Windows fatal exception: code 0x8001010e
    955 
    956 Thread 0x00004674 (most recent call first):
    957   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    958   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    959   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    960   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    961 
    962 Thread 0x00004ad4 (most recent call first):
    963   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    964   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    965   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    966   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    967 
    968 Thread 0x00000c8c (most recent call first):
    969   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    970   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    971   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    972   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    973   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    974   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    975   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    976 
    977 Thread 0x000063c8 (most recent call first):
    978   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    979   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    980   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    981   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    982 
    983 Thread 0x0000264c (most recent call first):
    984   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    985   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    986   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    987   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    988 
    989 Thread 0x00003190 (most recent call first):
    990   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    991   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    992   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    993   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    994 
    995 Thread 0x00004cdc (most recent call first):
    996   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    997   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    998   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    999   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1000 
    1001 Thread 0x000052cc (most recent call first):
    1002   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1003   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1004   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1005   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1006 
    1007 Thread 0x0000293c (most recent call first):
    1008   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1009   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1010   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1011   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1012 
    1013 Thread 0x00003544 (most recent call first):
    1014   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1015   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1016   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1017   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1018 
    1019 Thread 0x000043dc (most recent call first):
    1020   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1021   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1022   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1023   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1024 
    1025 Thread 0x00002510 (most recent call first):
    1026   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1027   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1028   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1029   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1030 
    1031 Thread 0x0000501c (most recent call first):
    1032   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1033   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1034   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1035   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1036 
    1037 Thread 0x00005efc (most recent call first):
    1038   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1039   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1040   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1041   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1042 
    1043 Thread 0x00004354 (most recent call first):
    1044   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1045   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1046   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1047   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1048 
    1049 Thread 0x000052bc (most recent call first):
    1050   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1051   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1052   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1053   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1054 
    1055 Thread 0x00000f5c (most recent call first):
    1056   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1057   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1058   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1059   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1060 
    1061 Thread 0x0000178c (most recent call first):
    1062   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1063   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1064   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1065   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1066 
    1067 Thread 0x00000434 (most recent call first):
    1068   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1069   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1070   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1071   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1072 
    1073 Thread 0x000056ec (most recent call first):
    1074   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1075   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1076   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1077   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1078   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1079   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1080   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1081   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1082   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1083   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1084   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1085   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1086 Windows fatal exception: code 0x8001010e
    1087 
    1088 Thread 0x00004674 (most recent call first):
    1089   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1090   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1091   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1092   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1093 
    1094 Thread 0x00004ad4 (most recent call first):
    1095   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1096   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1097   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1098   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1099 
    1100 Thread 0x00000c8c (most recent call first):
    1101   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1102   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1103   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1104   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1105   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1106   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1107   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1108 
    1109 Thread 0x000063c8 (most recent call first):
    1110   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1111   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1112   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1113   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1114 
    1115 Thread 0x0000264c (most recent call first):
    1116   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1117   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1118   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1119   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1120 
    1121 Thread 0x00003190 (most recent call first):
    1122   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1123   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1124   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1125   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1126 
    1127 Thread 0x00004cdc (most recent call first):
    1128   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1129   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1130   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1131   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1132 
    1133 Thread 0x000052cc (most recent call first):
    1134   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1135   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1136   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1137   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1138 
    1139 Thread 0x0000293c (most recent call first):
    1140   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1141   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1142   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1143   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1144 
    1145 Thread 0x00003544 (most recent call first):
    1146   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1147   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1148   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1149   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1150 
    1151 Thread 0x000043dc (most recent call first):
    1152   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1153   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1154   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1155   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1156 
    1157 Thread 0x00002510 (most recent call first):
    1158   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1159   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1160   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1161   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1162 
    1163 Thread 0x0000501c (most recent call first):
    1164   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1165   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1166   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1167   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1168 
    1169 Thread 0x00005efc (most recent call first):
    1170   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1171   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1172   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1173   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1174 
    1175 Thread 0x00004354 (most recent call first):
    1176   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1177   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1178   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1179   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1180 
    1181 Thread 0x000052bc (most recent call first):
    1182   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1183   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1184   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1185   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1186 
    1187 Thread 0x00000f5c (most recent call first):
    1188   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1189   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1190   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1191   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1192 
    1193 Thread 0x0000178c (most recent call first):
    1194   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1195   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1196   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1197   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1198 
    1199 Thread 0x00000434 (most recent call first):
    1200   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1201   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1202   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1203   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1204 
    1205 Thread 0x000056ec (most recent call first):
    1206   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1207   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1208   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1209   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1210   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1211   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1212   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1213   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1214   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1215   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1216   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1217   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1218 Windows fatal exception: code 0x8001010e
    1219 
    1220 Thread 0x00004674 (most recent call first):
    1221   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1222   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1223   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1224   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1225 
    1226 Thread 0x00004ad4 (most recent call first):
    1227   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1228   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1229   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1230   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1231 
    1232 Thread 0x00000c8c (most recent call first):
    1233   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1234   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1235   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1236   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1237   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1238   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1239   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1240 
    1241 Thread 0x000063c8 (most recent call first):
    1242   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1243   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1244   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1245   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1246 
    1247 Thread 0x0000264c (most recent call first):
    1248   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1249   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1250   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1251   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1252 
    1253 Thread 0x00003190 (most recent call first):
    1254   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1255   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1256   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1257   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1258 
    1259 Thread 0x00004cdc (most recent call first):
    1260   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1261   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1262   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1263   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1264 
    1265 Thread 0x000052cc (most recent call first):
    1266   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1267   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1268   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1269   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1270 
    1271 Thread 0x0000293c (most recent call first):
    1272   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1273   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1274   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1275   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1276 
    1277 Thread 0x00003544 (most recent call first):
    1278   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1279   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1280   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1281   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1282 
    1283 Thread 0x000043dc (most recent call first):
    1284   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1285   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1286   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1287   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1288 
    1289 Thread 0x00002510 (most recent call first):
    1290   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1291   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1292   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1293   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1294 
    1295 Thread 0x0000501c (most recent call first):
    1296   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1297   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1298   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1299   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1300 
    1301 Thread 0x00005efc (most recent call first):
    1302   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1303   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1304   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1305   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1306 
    1307 Thread 0x00004354 (most recent call first):
    1308   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1309   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1310   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1311   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1312 
    1313 Thread 0x000052bc (most recent call first):
    1314   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1315   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1316   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1317   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1318 
    1319 Thread 0x00000f5c (most recent call first):
    1320   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1321   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1322   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1323   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1324 
    1325 Thread 0x0000178c (most recent call first):
    1326   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1327   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1328   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1329   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1330 
    1331 Thread 0x00000434 (most recent call first):
    1332   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1333   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1334   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1335   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1336 
    1337 Thread 0x000056ec (most recent call first):
    1338   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1339   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1340   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1341   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1342   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1343   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1344   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1345   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1346   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1347   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1348   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1349   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1350 Windows fatal exception: code 0x8001010e
    1351 
    1352 Thread 0x00004674 (most recent call first):
    1353   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1354   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1355   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1356   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1357 
    1358 Thread 0x00004ad4 (most recent call first):
    1359   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1360   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1361   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1362   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1363 
    1364 Thread 0x00000c8c (most recent call first):
    1365   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1366   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1367   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1368   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1369   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1370   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1371   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1372 
    1373 Thread 0x000063c8 (most recent call first):
    1374   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1375   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1376   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1377   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1378 
    1379 Thread 0x0000264c (most recent call first):
    1380   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1381   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1382   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1383   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1384 
    1385 Thread 0x00003190 (most recent call first):
    1386   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1387   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1388   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1389   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1390 
    1391 Thread 0x00004cdc (most recent call first):
    1392   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1393   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1394   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1395   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1396 
    1397 Thread 0x000052cc (most recent call first):
    1398   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1399   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1400   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1401   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1402 
    1403 Thread 0x0000293c (most recent call first):
    1404   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1405   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1406   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1407   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1408 
    1409 Thread 0x00003544 (most recent call first):
    1410   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1411   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1412   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1413   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1414 
    1415 Thread 0x000043dc (most recent call first):
    1416   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1417   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1418   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1419   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1420 
    1421 Thread 0x00002510 (most recent call first):
    1422   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1423   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1424   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1425   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1426 
    1427 Thread 0x0000501c (most recent call first):
    1428   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1429   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1430   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1431   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1432 
    1433 Thread 0x00005efc (most recent call first):
    1434   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1435   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1436   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1437   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1438 
    1439 Thread 0x00004354 (most recent call first):
    1440   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1441   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1442   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1443   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1444 
    1445 Thread 0x000052bc (most recent call first):
    1446   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1447   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1448   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1449   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1450 
    1451 Thread 0x00000f5c (most recent call first):
    1452   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1453   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1454   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1455   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1456 
    1457 Thread 0x0000178c (most recent call first):
    1458   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1459   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1460   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1461   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1462 
    1463 Thread 0x00000434 (most recent call first):
    1464   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1465   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1466   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1467   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1468 
    1469 Thread 0x000056ec (most recent call first):
    1470   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1471   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1472   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1473   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1474   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1475   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1476   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1477   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1478   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1479   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1480   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1481   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1482 Windows fatal exception: code 0x8001010e
    1483 
    1484 Thread 0x00004674 (most recent call first):
    1485   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1486   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1487   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1488   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1489 
    1490 Thread 0x00004ad4 (most recent call first):
    1491   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1492   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1493   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1494   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1495 
    1496 Thread 0x00000c8c (most recent call first):
    1497   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1498   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1499   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1500   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1501   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1502   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1503   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1504 
    1505 Thread 0x000063c8 (most recent call first):
    1506   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1507   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1508   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1509   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1510 
    1511 Thread 0x0000264c (most recent call first):
    1512   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1513   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1514   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1515   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1516 
    1517 Thread 0x00003190 (most recent call first):
    1518   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1519   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1520   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1521   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1522 
    1523 Thread 0x00004cdc (most recent call first):
    1524   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1525   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1526   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1527   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1528 
    1529 Thread 0x000052cc (most recent call first):
    1530   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1531   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1532   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1533   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1534 
    1535 Thread 0x0000293c (most recent call first):
    1536   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1537   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1538   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1539   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1540 
    1541 Thread 0x00003544 (most recent call first):
    1542   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1543   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1544   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1545   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1546 
    1547 Thread 0x000043dc (most recent call first):
    1548   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1549   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1550   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1551   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1552 
    1553 Thread 0x00002510 (most recent call first):
    1554   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1555   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1556   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1557   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1558 
    1559 Thread 0x0000501c (most recent call first):
    1560   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1561   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1562   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1563   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1564 
    1565 Thread 0x00005efc (most recent call first):
    1566   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1567   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1568   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1569   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1570 
    1571 Thread 0x00004354 (most recent call first):
    1572   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1573   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1574   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1575   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1576 
    1577 Thread 0x000052bc (most recent call first):
    1578   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1579   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1580   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1581   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1582 
    1583 Thread 0x00000f5c (most recent call first):
    1584   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1585   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1586   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1587   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1588 
    1589 Thread 0x0000178c (most recent call first):
    1590   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1591   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1592   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1593   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1594 
    1595 Thread 0x00000434 (most recent call first):
    1596   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1597   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1598   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1599   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1600 
    1601 Thread 0x000056ec (most recent call first):
    1602   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1603   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1604   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1605   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1606   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1607   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1608   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1609   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1610   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1611   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1612   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1613   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1614 Windows fatal exception: code 0x8001010e
    1615 
    1616 Thread 0x00004674 (most recent call first):
    1617   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1618   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1619 Windows fatal exception: code 0x8001010e
    1620 
    1621   File Windows fatal exception: code 0x8001010e
    1622 
    1623 Windows fatal exception: code 0x8001010e
    1624 
    1625 Windows fatal exception: code 0x8001010e
    1626 
    1627 Windows fatal exception: code 0x8001010e
    1628 
    1629 "Windows fatal exception: code 0x8001010e
    1630 
    1631 CWindows fatal exception: code 0x8001010e
    1632 
    1633 :Windows fatal exception: code 0x8001010e
    1634 
    1635 \Windows fatal exception: code 0x8001010e
    1636 
    1637 PWindows fatal exception: code 0x8001010e
    1638 
    1639 rWindows fatal exception: code 0x8001010e
    1640 
    1641 ogram Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1642   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1643 
    1644 Thread 0x00004ad4 (most recent call first):
    1645   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1646   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1647   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1648   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1649 
    1650 Thread 0x00000c8c (most recent call first):
    1651   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1652   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1653   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1654   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1655   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1656   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1657   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1658 
    1659 Thread 0x000063c8 (most recent call first):
    1660   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1661   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1662   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1663   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1664 
    1665 Thread 0x0000264c (most recent call first):
    1666   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1667   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1668   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1669   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1670 
    1671 Thread 0x00003190 (most recent call first):
    1672   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1673   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1674   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1675   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1676 
    1677 Thread 0x00004cdc (most recent call first):
    1678   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1679   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1680   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1681   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1682 
    1683 Thread 0x000052cc (most recent call first):
    1684   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1685   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1686   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1687   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1688 
    1689 Thread 0x0000293c (most recent call first):
    1690   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1691   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1692   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1693   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1694 
    1695 Thread 0x00003544 (most recent call first):
    1696   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1697   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1698   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1699   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1700 
    1701 Thread 0x000043dc (most recent call first):
    1702   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1703   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1704   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1705   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1706 
    1707 Thread 0x00002510 (most recent call first):
    1708   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1709   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1710   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1711   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1712 
    1713 Thread 0x0000501c (most recent call first):
    1714   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1715   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1716   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1717   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1718 
    1719 Thread 0x00005efc (most recent call first):
    1720   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1721   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1722   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1723   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1724 
    1725 Thread 0x00004354 (most recent call first):
    1726   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1727   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1728   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1729   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1730 
    1731 Thread 0x000052bc (most recent call first):
    1732   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1733   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1734   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1735   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1736 
    1737 Thread 0x00000f5c (most recent call first):
    1738   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1739   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1740   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1741   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1742 
    1743 Thread 0x0000178c (most recent call first):
    1744   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1745   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1746   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1747   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1748 
    1749 Thread 0x00000434 (most recent call first):
    1750   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1751   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1752   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1753   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1754 
    1755 Thread 0x000056ec (most recent call first):
    1756   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1757   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1758   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1759   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1760   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1761   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1762   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1763   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1764   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1765   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1766   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1767   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1768 Windows fatal exception: code 0x8001010e
    1769 
    1770 Thread 0x00004674 (most recent call first):
    1771   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1772   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1773   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1774   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1775 
    1776 Thread 0x00004ad4 (most recent call first):
    1777   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1778   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1779   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1780   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1781 
    1782 Thread 0x00000c8c (most recent call first):
    1783   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1784   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1785   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1786   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1787   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1788   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1789   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1790 
    1791 Thread 0x000063c8 (most recent call first):
    1792   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1793   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1794   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1795   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1796 
    1797 Thread 0x0000264c (most recent call first):
    1798   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1799   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1800   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1801   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1802 
    1803 Thread 0x00003190 (most recent call first):
    1804   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1805   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1806   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1807   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1808 
    1809 Thread 0x00004cdc (most recent call first):
    1810   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1811   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1812   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1813   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1814 
    1815 Thread 0x000052cc (most recent call first):
    1816   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1817   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1818   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1819   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1820 
    1821 Thread 0x0000293c (most recent call first):
    1822   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1823   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1824   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1825   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1826 
    1827 Thread 0x00003544 (most recent call first):
    1828   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1829   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1830   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1831   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1832 
    1833 Thread 0x000043dc (most recent call first):
    1834   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1835   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1836   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1837   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1838 
    1839 Thread 0x00002510 (most recent call first):
    1840   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1841   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1842   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1843   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1844 
    1845 Thread 0x0000501c (most recent call first):
    1846   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1847   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1848   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1849   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1850 
    1851 Thread 0x00005efc (most recent call first):
    1852   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1853   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1854   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1855   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1856 
    1857 Thread 0x00004354 (most recent call first):
    1858   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1859   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1860   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1861   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1862 
    1863 Thread 0x000052bc (most recent call first):
    1864   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1865   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1866   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1867   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1868 
    1869 Thread 0x00000f5c (most recent call first):
    1870   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1871   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1872   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1873   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1874 
    1875 Thread 0x0000178c (most recent call first):
    1876   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1877   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1878   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1879   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1880 
    1881 Thread 0x00000434 (most recent call first):
    1882   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1883   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1884   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1885   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1886 
    1887 Thread 0x000056ec (most recent call first):
    1888   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    1889   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    1890   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    1891   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    1892   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    1893   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    1894   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    1895   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    1896   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    1897   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    1898   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    1899   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    1900 Windows fatal exception: code 0x8001010e
    1901 
    1902 Thread 0x00004674 (most recent call first):
    1903   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    1904   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1905   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1906   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1907 
    1908 Thread 0x00004ad4 (most recent call first):
    1909   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    1910   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1911   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1912   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1913 
    1914 Thread 0x00000c8c (most recent call first):
    1915   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    1916   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    1917   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    1918   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    1919   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1920   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1921   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1922 
    1923 Thread 0x000063c8 (most recent call first):
    1924   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1925   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1926   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1927   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1928 
    1929 Thread 0x0000264c (most recent call first):
    1930   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1931   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1932   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1933   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1934 
    1935 Thread 0x00003190 (most recent call first):
    1936   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1937   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1938   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1939   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1940 
    1941 Thread 0x00004cdc (most recent call first):
    1942   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1943   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1944   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1945   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1946 
    1947 Thread 0x000052cc (most recent call first):
    1948   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1949   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1950   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1951   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1952 
    1953 Thread 0x0000293c (most recent call first):
    1954   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1955   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1956   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1957   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1958 
    1959 Thread 0x00003544 (most recent call first):
    1960   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1961   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1962   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1963   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1964 
    1965 Thread 0x000043dc (most recent call first):
    1966   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1967   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1968   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1969   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1970 
    1971 Thread 0x00002510 (most recent call first):
    1972   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1973   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1974   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1975   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1976 
    1977 Thread 0x0000501c (most recent call first):
    1978   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1979   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1980   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1981   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1982 
    1983 Thread 0x00005efc (most recent call first):
    1984   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1985   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1986   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1987   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1988 
    1989 Thread 0x00004354 (most recent call first):
    1990   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1991   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1992   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1993   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    1994 
    1995 Thread 0x000052bc (most recent call first):
    1996   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    1997   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    1998   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    1999   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2000 
    2001 Thread 0x00000f5c (most recent call first):
    2002   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2003   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2004   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2005   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2006 
    2007 Thread 0x0000178c (most recent call first):
    2008   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2009   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2010   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2011   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2012 
    2013 Thread 0x00000434 (most recent call first):
    2014   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2015   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2016   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2017   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2018 
    2019 Thread 0x000056ec (most recent call first):
    2020   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2021   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2022   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2023   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2024   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2025   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2026   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2027   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2028   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2029   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2030   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2031   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2032 Windows fatal exception: code 0x8001010e
    2033 
    2034 Thread 0x00004674 (most recent call first):
    2035   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2036   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2037   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2038   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2039 
    2040 Thread 0x00004ad4 (most recent call first):
    2041   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2042   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2043   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2044   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2045 
    2046 Thread 0x00000c8c (most recent call first):
    2047   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2048   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2049   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2050   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2051   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2052   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2053   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2054 
    2055 Thread 0x000063c8 (most recent call first):
    2056   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2057   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2058   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2059   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2060 
    2061 Thread 0x0000264c (most recent call first):
    2062   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2063   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2064   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2065   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2066 
    2067 Thread 0x00003190 (most recent call first):
    2068   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2069   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2070   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2071   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2072 
    2073 Thread 0x00004cdc (most recent call first):
    2074   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2075   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2076   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2077   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2078 
    2079 Thread 0x000052cc (most recent call first):
    2080   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2081   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2082   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2083   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2084 
    2085 Thread 0x0000293c (most recent call first):
    2086   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2087   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2088   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2089   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2090 
    2091 Thread 0x00003544 (most recent call first):
    2092   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2093   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2094   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2095   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2096 
    2097 Thread 0x000043dc (most recent call first):
    2098   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2099   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2100   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2101   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2102 
    2103 Thread 0x00002510 (most recent call first):
    2104   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2105   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2106   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2107   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2108 
    2109 Thread 0x0000501c (most recent call first):
    2110   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2111   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2112   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2113   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2114 
    2115 Thread 0x00005efc (most recent call first):
    2116   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2117   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2118   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2119   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2120 
    2121 Thread 0x00004354 (most recent call first):
    2122   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2123   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2124   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2125   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2126 
    2127 Thread 0x000052bc (most recent call first):
    2128   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2129   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2130   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2131   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2132 
    2133 Thread 0x00000f5c (most recent call first):
    2134   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2135   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2136   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2137   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2138 
    2139 Thread 0x0000178c (most recent call first):
    2140   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2141   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2142   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2143   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2144 
    2145 Thread 0x00000434 (most recent call first):
    2146   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2147   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2148   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2149   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2150 
    2151 Thread 0x000056ec (most recent call first):
    2152   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2153   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2154   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2155   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2156   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2157   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2158   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2159   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2160   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2161   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2162   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2163   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2164 Windows fatal exception: code 0x8001010e
    2165 
    2166 Thread 0x00004674 (most recent call first):
    2167   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2168   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2169   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2170   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2171 
    2172 Thread 0x00004ad4 (most recent call first):
    2173   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2174   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2175   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2176   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2177 
    2178 Thread 0x00000c8c (most recent call first):
    2179   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2180   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2181   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2182   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2183   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2184   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2185   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2186 
    2187 Thread 0x000063c8 (most recent call first):
    2188   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2189   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2190   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2191   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2192 
    2193 Thread 0x0000264c (most recent call first):
    2194   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2195   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2196   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2197   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2198 
    2199 Thread 0x00003190 (most recent call first):
    2200   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2201   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2202   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2203   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2204 
    2205 Thread 0x00004cdc (most recent call first):
    2206   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2207   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2208   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2209   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2210 
    2211 Thread 0x000052cc (most recent call first):
    2212   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2213   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2214   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2215   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2216 
    2217 Thread 0x0000293c (most recent call first):
    2218   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2219   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2220   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2221   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2222 
    2223 Thread 0x00003544 (most recent call first):
    2224   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2225   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2226   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2227   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2228 
    2229 Thread 0x000043dc (most recent call first):
    2230   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2231   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2232   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2233   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2234 
    2235 Thread 0x00002510 (most recent call first):
    2236   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2237   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2238   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2239   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2240 
    2241 Thread 0x0000501c (most recent call first):
    2242   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2243   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2244   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2245   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2246 
    2247 Thread 0x00005efc (most recent call first):
    2248   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2249   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2250   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2251   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2252 
    2253 Thread 0x00004354 (most recent call first):
    2254   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2255   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2256   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2257   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2258 
    2259 Thread 0x000052bc (most recent call first):
    2260   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2261   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2262   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2263   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2264 
    2265 Thread 0x00000f5c (most recent call first):
    2266   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2267   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2268   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2269   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2270 
    2271 Thread 0x0000178c (most recent call first):
    2272   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2273   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2274   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2275   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2276 
    2277 Thread 0x00000434 (most recent call first):
    2278   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2279   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2280   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2281   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2282 
    2283 Thread 0x000056ec (most recent call first):
    2284   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2285   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2286   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2287   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2288   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2289   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2290   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2291   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2292   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2293   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2294   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2295   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2296 Windows fatal exception: code 0x8001010e
    2297 
    2298 Thread 0x00004674 (most recent call first):
    2299   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2300   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2301   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2302   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2303 
    2304 Thread 0x00004ad4 (most recent call first):
    2305   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2306   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2307   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2308   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2309 
    2310 Thread 0x00000c8c (most recent call first):
    2311   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2312   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2313   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2314   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2315   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2316   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2317   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2318 
    2319 Thread 0x000063c8 (most recent call first):
    2320   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2321   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2322   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2323   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2324 
    2325 Thread 0x0000264c (most recent call first):
    2326   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2327   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2328   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2329   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2330 
    2331 Thread 0x00003190 (most recent call first):
    2332   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2333   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2334   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2335   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2336 
    2337 Thread 0x00004cdc (most recent call first):
    2338   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2339   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2340   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2341   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2342 
    2343 Thread 0x000052cc (most recent call first):
    2344   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2345   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2346   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2347   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2348 
    2349 Thread 0x0000293c (most recent call first):
    2350   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2351   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2352   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2353   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2354 
    2355 Thread 0x00003544 (most recent call first):
    2356   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2357   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2358   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2359   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2360 
    2361 Thread 0x000043dc (most recent call first):
    2362   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2363   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2364   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2365   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2366 
    2367 Thread 0x00002510 (most recent call first):
    2368   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2369   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2370   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2371   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2372 
    2373 Thread 0x0000501c (most recent call first):
    2374   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2375   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2376   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2377   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2378 
    2379 Thread 0x00005efc (most recent call first):
    2380   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2381   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2382   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2383   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2384 
    2385 Thread 0x00004354 (most recent call first):
    2386   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2387   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2388   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2389   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2390 
    2391 Thread 0x000052bc (most recent call first):
    2392   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2393   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2394   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2395   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2396 
    2397 Thread 0x00000f5c (most recent call first):
    2398   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2399   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2400   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2401   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2402 
    2403 Thread 0x0000178c (most recent call first):
    2404   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2405   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2406   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2407   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2408 
    2409 Thread 0x00000434 (most recent call first):
    2410   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2411   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2412   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2413   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2414 
    2415 Thread 0x000056ec (most recent call first):
    2416   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2417   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2418   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2419   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2420   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2421   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2422   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2423   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2424   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2425   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2426   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2427   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2428 Windows fatal exception: code 0x8001010e
    2429 
    2430 Thread 0x00004674 (most recent call first):
    2431   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2432   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2433   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2434   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2435 
    2436 Thread 0x00004ad4 (most recent call first):
    2437   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2438   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2439   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2440   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2441 
    2442 Thread 0x00000c8c (most recent call first):
    2443   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2444   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2445   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2446   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2447   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2448   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2449   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2450 
    2451 Thread 0x000063c8 (most recent call first):
    2452   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2453   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2454   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2455   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2456 
    2457 Thread 0x0000264c (most recent call first):
    2458   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2459   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2460   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2461   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2462 
    2463 Thread 0x00003190 (most recent call first):
    2464   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2465   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2466   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2467   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2468 
    2469 Thread 0x00004cdc (most recent call first):
    2470   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2471   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2472   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2473   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2474 
    2475 Thread 0x000052cc (most recent call first):
    2476   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2477   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2478   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2479   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2480 
    2481 Thread 0x0000293c (most recent call first):
    2482   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2483   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2484   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2485   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2486 
    2487 Thread 0x00003544 (most recent call first):
    2488   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2489   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2490   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2491   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2492 
    2493 Thread 0x000043dc (most recent call first):
    2494   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2495   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2496   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2497   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2498 
    2499 Thread 0x00002510 (most recent call first):
    2500   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2501   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2502   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2503   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2504 
    2505 Thread 0x0000501c (most recent call first):
    2506   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2507   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2508   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2509   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2510 
    2511 Thread 0x00005efc (most recent call first):
    2512   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2513   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2514   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2515   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2516 
    2517 Thread 0x00004354 (most recent call first):
    2518   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2519   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2520   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2521   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2522 
    2523 Thread 0x000052bc (most recent call first):
    2524   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2525   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2526   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2527   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2528 
    2529 Thread 0x00000f5c (most recent call first):
    2530   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2531   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2532   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2533   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2534 
    2535 Thread 0x0000178c (most recent call first):
    2536   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2537   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2538   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2539   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2540 
    2541 Thread 0x00000434 (most recent call first):
    2542   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2543   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2544   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2545   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2546 
    2547 Thread 0x000056ec (most recent call first):
    2548   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2549   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2550   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2551   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2552   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2553   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2554   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2555   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2556   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2557   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2558   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2559   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2560 Windows fatal exception: code 0x8001010e
    2561 
    2562 Thread 0x00004674 (most recent call first):
    2563   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2564   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2565   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2566   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2567 
    2568 Thread 0x00004ad4 (most recent call first):
    2569   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2570   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2571   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2572   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2573 
    2574 Thread 0x00000c8c (most recent call first):
    2575   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2576   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2577   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2578   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2579   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2580   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2581   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2582 
    2583 Thread 0x000063c8 (most recent call first):
    2584   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2585   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2586   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2587   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2588 
    2589 Thread 0x0000264c (most recent call first):
    2590   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2591   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2592   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2593   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2594 
    2595 Thread 0x00003190 (most recent call first):
    2596   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2597   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2598   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2599   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2600 
    2601 Thread 0x00004cdc (most recent call first):
    2602   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2603   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2604   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2605   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2606 
    2607 Thread 0x000052cc (most recent call first):
    2608   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2609   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2610   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2611   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2612 
    2613 Thread 0x0000293c (most recent call first):
    2614   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2615   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2616   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2617   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2618 
    2619 Thread 0x00003544 (most recent call first):
    2620   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2621   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2622   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2623   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2624 
    2625 Thread 0x000043dc (most recent call first):
    2626   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2627   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2628   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2629   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2630 
    2631 Thread 0x00002510 (most recent call first):
    2632   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2633   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2634   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2635   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2636 
    2637 Thread 0x0000501c (most recent call first):
    2638   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2639   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2640   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2641   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2642 
    2643 Thread 0x00005efc (most recent call first):
    2644   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2645   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2646   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2647   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2648 
    2649 Thread 0x00004354 (most recent call first):
    2650   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2651   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2652   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2653   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2654 
    2655 Thread 0x000052bc (most recent call first):
    2656   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2657   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2658   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2659   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2660 
    2661 Thread 0x00000f5c (most recent call first):
    2662   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2663   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2664   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2665   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2666 
    2667 Thread 0x0000178c (most recent call first):
    2668   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2669   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2670   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2671   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2672 
    2673 Thread 0x00000434 (most recent call first):
    2674   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2675   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2676   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2677   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2678 
    2679 Thread 0x000056ec (most recent call first):
    2680   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2681   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2682   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2683   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2684   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2685   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2686   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2687   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2688   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2689   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2690   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2691   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2692 Windows fatal exception: code 0x8001010e
    2693 
    2694 Thread 0x00004674 (most recent call first):
    2695   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2696   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2697   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2698   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2699 
    2700 Thread 0x00004ad4 (most recent call first):
    2701   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2702   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2703   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2704   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2705 
    2706 Thread 0x00000c8c (most recent call first):
    2707   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2708   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2709   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2710   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2711   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2712   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2713   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2714 
    2715 Thread 0x000063c8 (most recent call first):
    2716   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2717   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2718   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2719   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2720 
    2721 Thread 0x0000264c (most recent call first):
    2722   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2723   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2724   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2725   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2726 
    2727 Thread 0x00003190 (most recent call first):
    2728   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2729   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2730   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2731   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2732 
    2733 Thread 0x00004cdc (most recent call first):
    2734   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2735   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2736   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2737   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2738 
    2739 Thread 0x000052cc (most recent call first):
    2740   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2741   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2742   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2743   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2744 
    2745 Thread 0x0000293c (most recent call first):
    2746   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2747   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2748   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2749   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2750 
    2751 Thread 0x00003544 (most recent call first):
    2752   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2753   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2754   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2755   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2756 
    2757 Thread 0x000043dc (most recent call first):
    2758   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2759   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2760   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2761   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2762 
    2763 Thread 0x00002510 (most recent call first):
    2764   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2765   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2766   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2767   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2768 
    2769 Thread 0x0000501c (most recent call first):
    2770   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2771   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2772   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2773   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2774 
    2775 Thread 0x00005efc (most recent call first):
    2776   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2777   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2778   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2779   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2780 
    2781 Thread 0x00004354 (most recent call first):
    2782   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2783   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2784   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2785   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2786 
    2787 Thread 0x000052bc (most recent call first):
    2788   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2789   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2790   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2791   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2792 
    2793 Thread 0x00000f5c (most recent call first):
    2794   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2795   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2796   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2797   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2798 
    2799 Thread 0x0000178c (most recent call first):
    2800   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2801   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2802   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2803   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2804 
    2805 Thread 0x00000434 (most recent call first):
    2806   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2807   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2808   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2809   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2810 
    2811 Thread 0x000056ec (most recent call first):
    2812   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2813   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2814   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2815   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2816   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2817   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2818   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2819   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2820   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2821   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2822   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2823   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2824 Windows fatal exception: code 0x8001010e
    2825 
    2826 Thread 0x00004674 (most recent call first):
    2827   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2828   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2829   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2830   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2831 
    2832 Thread 0x00004ad4 (most recent call first):
    2833   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2834   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2835   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2836   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2837 
    2838 Thread 0x00000c8c (most recent call first):
    2839   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2840   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2841   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2842   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2843   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2844   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2845   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2846 
    2847 Thread 0x000063c8 (most recent call first):
    2848   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2849   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2850   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2851   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2852 
    2853 Thread 0x0000264c (most recent call first):
    2854   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2855   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2856   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2857   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2858 
    2859 Thread 0x00003190 (most recent call first):
    2860   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2861   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2862   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2863   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2864 
    2865 Thread 0x00004cdc (most recent call first):
    2866   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2867   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2868   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2869   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2870 
    2871 Thread 0x000052cc (most recent call first):
    2872   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2873   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2874   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2875   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2876 
    2877 Thread 0x0000293c (most recent call first):
    2878   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2879   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2880   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2881   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2882 
    2883 Thread 0x00003544 (most recent call first):
    2884   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2885   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2886   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2887   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2888 
    2889 Thread 0x000043dc (most recent call first):
    2890   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2891   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2892   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2893   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2894 
    2895 Thread 0x00002510 (most recent call first):
    2896   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2897   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2898   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2899   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2900 
    2901 Thread 0x0000501c (most recent call first):
    2902   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2903   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2904   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2905   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2906 
    2907 Thread 0x00005efc (most recent call first):
    2908   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2909   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2910   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2911   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2912 
    2913 Thread 0x00004354 (most recent call first):
    2914   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2915   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2916   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2917   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2918 
    2919 Thread 0x000052bc (most recent call first):
    2920   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2921   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2922   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2923   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2924 
    2925 Thread 0x00000f5c (most recent call first):
    2926   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2927   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2928   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2929   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2930 
    2931 Thread 0x0000178c (most recent call first):
    2932   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2933   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2934   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2935   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2936 
    2937 Thread 0x00000434 (most recent call first):
    2938   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2939   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2940   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2941   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2942 
    2943 Thread 0x000056ec (most recent call first):
    2944   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    2945   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    2946   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    2947   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    2948   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    2949   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    2950   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    2951   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    2952   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    2953   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    2954   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    2955   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    2956 Windows fatal exception: code 0x8001010e
    2957 
    2958 Thread 0x00004674 (most recent call first):
    2959   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    2960   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2961   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2962   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2963 
    2964 Thread 0x00004ad4 (most recent call first):
    2965   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    2966   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2967   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2968   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2969 
    2970 Thread 0x00000c8c (most recent call first):
    2971   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    2972   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    2973   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    2974   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    2975   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2976   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2977   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2978 
    2979 Thread 0x000063c8 (most recent call first):
    2980   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2981   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2982   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2983   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2984 
    2985 Thread 0x0000264c (most recent call first):
    2986   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2987   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2988   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2989   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2990 
    2991 Thread 0x00003190 (most recent call first):
    2992   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2993   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    2994   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    2995   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    2996 
    2997 Thread 0x00004cdc (most recent call first):
    2998   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    2999   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3000   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3001   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3002 
    3003 Thread 0x000052cc (most recent call first):
    3004   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3005   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3006   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3007   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3008 
    3009 Thread 0x0000293c (most recent call first):
    3010   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3011   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3012   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3013   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3014 
    3015 Thread 0x00003544 (most recent call first):
    3016   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3017   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3018   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3019   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3020 
    3021 Thread 0x000043dc (most recent call first):
    3022   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3023   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3024   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3025   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3026 
    3027 Thread 0x00002510 (most recent call first):
    3028   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3029   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3030   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3031   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3032 
    3033 Thread 0x0000501c (most recent call first):
    3034   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3035   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3036   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3037   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3038 
    3039 Thread 0x00005efc (most recent call first):
    3040   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3041   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3042   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3043   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3044 
    3045 Thread 0x00004354 (most recent call first):
    3046   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3047   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3048   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3049   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3050 
    3051 Thread 0x000052bc (most recent call first):
    3052   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3053   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3054   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3055   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3056 
    3057 Thread 0x00000f5c (most recent call first):
    3058   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3059   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3060   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3061   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3062 
    3063 Thread 0x0000178c (most recent call first):
    3064   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3065   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3066   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3067   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3068 
    3069 Thread 0x00000434 (most recent call first):
    3070   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3071   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3072   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3073   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3074 
    3075 Thread 0x000056ec (most recent call first):
    3076   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3077   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    3078   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    3079   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    3080   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    3081   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    3082   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    3083   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3084   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3085   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3086   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    3087   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    3088 Windows fatal exception: code 0x8001010e
    3089 
    3090 Thread 0x00004674 (most recent call first):
    3091   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py"Windows fatal exception: code 0x, line 8001010e
    3092 
    3093 576 in _handle_resuWindows fatal exception: lts
    3094   File "C:code 0x\Program Files\ChimeraX 1.4.dev20228001010e
    3095 
    3096 03170703\bin\lib\threadingWindows fatal exception: code 0xWindows fatal exception: 8001010ecode 0x.py
    3097 
    3098 8001010e
    3099 
    3100 "Windows fatal exception: Windows fatal exception: code 0xcode 0x8001010e, line
    3101 
    3102 8001010eWindows fatal exception: code 0x8001010e
    3103 
    3104 
    3105 
    3106 Windows fatal exception: code 0x8001010eWindows fatal exception: code 0x910 in
    3107 
    3108 run
    3109 8001010e
    3110 
    3111 Windows fatal exception: Windows fatal exception: code 0x8001010e  File
    3112 
    3113 "C:Windows fatal exception: code 0x8001010e
    3114 
    3115 code 0xWindows fatal exception: \code 0xP8001010e
    3116 
    3117 8001010eWindows fatal exception: code 0x
    3118 
    3119 8001010e
    3120 
    3121 Windows fatal exception: Windows fatal exception: code 0x8001010e
    3122 
    3123 code 0xWindows fatal exception: code 0x8001010erogram Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py"
    3124 
    3125 8001010e
    3126 
    3127 , line Windows fatal exception: code 0xWindows fatal exception: code 0x8001010e
    3128 
    3129 973 in 8001010e
    3130 
    3131 Windows fatal exception: Windows fatal exception: code 0x8001010e
    3132 
    3133 code 0x8001010e
    3134 
    3135 _Windows fatal exception: code 0x8001010ebootstrap_inner
    3136   File "C:\Pr
    3137 
    3138 ogram FilWindows fatal exception: code 0xes\ChimeraX 1.4.dev202203170703\bin\lib\threading.py"8001010e
    3139 
    3140 , line 930 in _bootstrap
    3141 Windows fatal exception:
    3142 Thread 0xcode 0x00004ad4 (most recent call first):
    3143 8001010e
    3144 
    3145   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3146   File "C:\PWindows fatal exception: rogram Files\ChimeraX 1.4.dev202203170703\bin\lib\threadicode 0x8001010e
    3147 
    3148 ng.py"Windows fatal exception: , line 910 in code 0x8001010e
    3149 
    3150 run
    3151 Windows fatal exception: code 0x8001010e
    3152 
    3153   File Windows fatal exception: code 0x8001010e
    3154 
    3155 "C:\Program Files\Windows fatal exception: Ccode 0xhimer8001010ea
    3156 
    3157 X 1.Windows fatal exception: 4.code 0xdev28001010e
    3158 
    3159 0Windows fatal exception: code 0x8001010e2203170703\bin\lib\threading.py"
    3160 
    3161 , line Windows fatal exception: code 0x973 in _bootstrap_inner
    3162   File "C:\Program 8001010eFiles\ChimeraX 1.4.dev20220
    3163 
    3164 3170703\bin\lib\threading.py"Windows fatal exception: code 0x, line 8001010e930 in
    3165 
    3166 _bootstrap
    3167 
    3168 Thread 0x00000c8c (most recent call first):
    3169   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3170   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    3171   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3172   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3173   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3174   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3175   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3176 
    3177 Thread 0x000063c8 (most recent call first):
    3178   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3179   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3180   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3181   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3182 
    3183 Thread 0x0000264c (most recent call first):
    3184   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3185   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3186   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3187   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3188 
    3189 Thread 0x00003190 (most recent call first):
    3190   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3191   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3192   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3193   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3194 
    3195 Thread 0x00004cdc (most recent call first):
    3196   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3197   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3198   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3199   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3200 
    3201 Thread 0x000052cc (most recent call first):
    3202   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3203   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3204   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3205   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3206 
    3207 Thread 0x0000293c (most recent call first):
    3208   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3209   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3210   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3211   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3212 
    3213 Thread 0x00003544 (most recent call first):
    3214   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3215   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3216   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3217   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3218 
    3219 Thread 0x000043dc (most recent call first):
    3220   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3221   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3222   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3223   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3224 
    3225 Thread 0x00002510 (most recent call first):
    3226   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3227   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3228   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3229   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3230 
    3231 Thread 0x0000501c (most recent call first):
    3232   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3233   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3234   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3235   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3236 
    3237 Thread 0x00005efc (most recent call first):
    3238   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3239   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3240   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3241   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3242 
    3243 Thread 0x00004354 (most recent call first):
    3244   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3245   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3246   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3247   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3248 
    3249 Thread 0x000052bc (most recent call first):
    3250   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3251   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3252   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3253   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3254 
    3255 Thread 0x00000f5c (most recent call first):
    3256   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3257   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3258   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3259   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3260 
    3261 Thread 0x0000178c (most recent call first):
    3262   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3263   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3264   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3265   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3266 
    3267 Thread 0x00000434 (most recent call first):
    3268   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3269   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3270   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3271   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3272 
    3273 Thread 0x000056ec (most recent call first):
    3274   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\open_command\dialog.py", line 135 in show_open_file_dialog
    3275   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 17 in _file_open
    3276   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\providers.py", line 45 in run_provider
    3277   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\__init__.py", line 37 in run_provider
    3278   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\__init__.py", line 1286 in run_provider
    3279   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\core\toolshed\info.py", line 381 in run_provider
    3280   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\toolbar\tool.py", line 165 in callback
    3281   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\chimerax\ui\gui.py", line 318 in event_loop
    3282   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 867 in init
    3283   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\site-packages\ChimeraX_main.py", line 1018 in
    3284   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 87 in _run_code
    3285   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\runpy.py", line 197 in _run_module_as_main
    3286 Windows fatal exception: code 0x8001010e
    3287 
    3288 Thread 0x00004674 (most recent call first):
    3289   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 576 in _handle_results
    3290   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3291   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3292   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3293 
    3294 Thread 0x00004ad4 (most recent call first):
    3295   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 528 in _handle_tasks
    3296   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3297   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3298   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3299 
    3300 Thread 0x00000c8c (most recent call first):
    3301   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 816 in _exhaustive_wait
    3302   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\connection.py", line 884 in wait
    3303   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 499 in _wait_for_updates
    3304   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 519 in _handle_workers
    3305   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3306   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3307   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3308 
    3309 Thread 0x000063c8 (most recent call first):
    3310   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3311   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3312   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3313   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3314 
    3315 Thread 0x0000264c (most recent call first):
    3316   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3317   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3318   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3319   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3320 
    3321 Thread 0x00003190 (most recent call first):
    3322   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3323   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3324   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3325   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3326 
    3327 Thread 0x00004cdc (most recent call first):
    3328   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3329   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3330   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3331   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3332 
    3333 Thread 0x000052cc (most recent call first):
    3334   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3335   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3336   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3337   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
    3338 
    3339 Thread 0x0000293c (most recent call first):
    3340   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\multiprocessing\pool.py", line 114 in worker
    3341   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 910 in run
    3342   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 973 in _bootstrap_inner
    3343   File "C:\Program Files\ChimeraX 1.4.dev202203170703\bin\lib\threading.py", line 930 in _bootstrap
     749[lots of this deleted]
    3344750
    3345751Thread 0x00003544 (most recent call first):