Many 2dlabel command problems

[ubaumann@…]

The following bug report has been submitted:
Platform:        Darwin-18.7.0-x86_64-i386-64bit
ChimeraX Version: 0.91 (2019-10-10)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.91 (2019-10-10)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /Users/ubaumann/Documents/Papers/RTX-review/Piccies/1KAP-
rollonly_labels-softLight2.cxs

opened ChimeraX session  

> hide #!3 models

> select

370 atoms, 369 bonds, 8 pseudobonds, 6 models selected  

> show sel atoms

> hide sel cartoons

> color sel byhetero

> select clear

> lighting simple

> lighting soft

> lighting full

> lighting soft

> save session /Users/ubaumann/Roll-allatoms.cxs

> color :CA gold

> select

370 atoms, 369 bonds, 8 pseudobonds, 6 models selected  

> style sel ball

Changed 370 atom styles  

> select clear

> select :CA

5 atoms, 1 model selected  

> style sel sphere

Changed 5 atom styles  

> select clear

> select H

4 atoms, 1 model selected  

> delete atoms sel

> delete bonds sel

> close #3

> ui mousemode rightMode label

> label delete residues

> label #1/P:374

> label #1/P:356

> ui mousemode rightMode "move label"

> ui mousemode rightMode label

> label #1/P:383

> label #1/P:365

> label #1/P:347

> ui mousemode rightMode "move label"

> toolshed show "Side View"

> save session /Users/ubaumann/Roll-allatoms-sideview.cxs

> save image /Users/ubaumann/Roll-allatoms-sideview.tif width 1417 height 1164

Expected an objects specifier or a keyword  

> select ~:337-356

233 atoms, 233 bonds, 8 pseudobonds, 3 models selected  

> hide sel target a

> select :625,627

2 atoms, 1 model selected  

> style sel sphere

Changed 2 atom styles  

> show sel target ab

> select :CA

5 atoms, 1 model selected  

> show sel target ab

> hide sel target a

> select :625,627

2 atoms, 1 model selected  

> show sel target ab

> select

366 atoms, 365 bonds, 8 pseudobonds, 3 models selected  

> show sel target ab

> select ~:357-374

248 atoms, 247 bonds, 8 pseudobonds, 3 models selected  

> hide sel target a

> select :628,629

2 atoms, 1 model selected  

> show sel target ab

> select clear

> select /P:361@O

1 atom, 1 model selected  

> distance /P:361@O /P:629@CA

Distance between /P GLY 361 O and CA 629 CA: 2.330Å  

> select /P:363@O

1 atom, 1 model selected  

> distance /P:363@O /P:629@CA

Distance between /P GLY 363 O and CA 629 CA: 2.405Å  

> select /P:628@CA

1 atom, 1 model selected  

> distance /P:370@O /P:628@CA

Distance between /P GLY 370 O and CA 628 CA: 2.367Å  

> distance /P:370@O /P:628@CA

Distance already exists; modify distance properties with 'distance style'  

> select /P:372@O

1 atom, 1 model selected  

> distance /P:372@O /P:628@CA

Distance between /P GLY 372 O and CA 628 CA: 2.400Å  

> hide #!2 models

> show #!2 models

> hide #!2.1 models

> show #!2.1 models

> hide #!2.1 models

> select #2

12 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> select #2

12 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> select #2

12 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> select #2

12 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> select #2

12 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> select clear

> save session /Users/ubaumann/Roll-allatoms-1turn.cxs

> hide #!2 models

> show #!2 models

> ui mousemode rightMode label

> save session /Users/ubaumann/Roll-allatoms-1turn.cxs

> 2dlabels

Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/cmd_line/tool.py", line 254, in execute  
cmd.run(cmd_text)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2799, in run  
prev_annos = self._process_positional_arguments()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2582, in
_process_positional_arguments  
value, text = self._parse_arg(anno, text, session, False)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2445, in _parse_arg  
value, replacement, rest = annotation.parse(text, session)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 877, in parse  
return anno.parse(text, session)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 288, in parse  
if lm.named_label(token) is None:  
AttributeError: 'NoneType' object has no attribute 'named_label'  
  
AttributeError: 'NoneType' object has no attribute 'named_label'  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 288, in parse  
if lm.named_label(token) is None:  
  
See log for complete Python traceback.  
  

> 2dlabels text X1

> ui mousemode rightMode "move label"

> 2dlabels #3.1 xpos 0.280 ypos 0.376

> ui mousemode rightMode label

> label delete residues

> label delete residues

> 2dlabels delete

> 2dlabels text X1 size 36

> ui mousemode rightMode "move label"

> 2dlabels #3.1 xpos 0.260 ypos 0.369

> 2dlabels text L2 size 36

> 2dlabels #3.2 xpos 0.446 ypos 0.411

> 2dlabels text X3 size 36

> 2dlabels #3.3 xpos 0.297 ypos 0.589

> 2dlabels text G4 size 36

> 2dlabels #3.4 xpos 0.468 ypos 0.648

> 2dlabels text G5 size 36

> 2dlabels #3.5 xpos 0.348 ypos 0.778

> 2dlabels #3.5 xpos 0.330 ypos 0.760

> 2dlabels text X6 size 36

> 2dlabels #3.6 xpos 0.378 ypos 0.933

> 2dlabels text G7 size 36

> 2dlabels #3.7 xpos 0.493 ypos 0.915

> 2dlabels text X8 size 36

> 2dlabels #3.8 xpos 0.622 ypos 0.850

> 2dlabels text D9 size 36

> 2dlabels #3.9 xpos 0.603 ypos 0.730

> 2dlabels text X1' size 36

> 2dlabels #3.10 xpos 0.734 ypos 0.604

> 2dlabels text L2' size 36

> 2dlabels #3.11 xpos 0.539 ypos 0.483

> 2dlabels text X3' size 36

> 2dlabels #3.12 xpos 0.705 ypos 0.433

> 2dlabels text G4' size 36

> 2dlabels #3.13 xpos 0.612 ypos 0.330

> 2dlabels text G%' size 36

> 2dlabels #3.14 xpos 0.500 ypos 0.500

> close #3.14

> 2dlabels text G5' size 36

Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 464, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, "mouse_drag")  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py", line 392, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/movelabel.py", line 48, in mouse_drag  
label2d(ses, [lbl], xpos = xpos, ypos = ypos)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in label2d  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 32, in <listcomp>  
return [_update_label(session, l, **kw) for l in labels]  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 125, in _update_label  
l.update_drawing()  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label2d.py", line 499, in update_drawing  
d.display = self.visibility  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 243, in __setattr__  
super(Drawing, self).__setattr__(key, value)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/models.py", line 267, in _set_display  
Drawing.set_display(self, display)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 337, in set_display  
dp = self.display_positions  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
TypeError: object of type 'NoneType' has no len()  
  
TypeError: object of type 'NoneType' has no len()  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/drawing.py", line 350, in
get_display_positions  
dp = ones((len(self._positions),), bool)  
  
See log for complete Python traceback.  
  

Expected 'all' or a 2d label name or a label models specifier or a keyword  




OpenGL version: 4.1 ATI-2.11.20
OpenGL renderer: AMD Radeon Pro 560 OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

[pett]

Reported by Ulrich Baumann

[Tom Goddard]

Fixed first error caused by 2dlabels command with no current labels.

[Tom Goddard]

Fixed remaining errors caused by closing a 2d label then trying to move other labels.