﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
4288	ISOLDE tugging: unsupported operand type(s) for -: 'NoneType' and 'NoneType'	chimerax-bug-report@…	Tristan Croll	"{{{
The following bug report has been submitted:
Platform:        Linux-4.15.0-135-generic-x86_64-with-debian-buster-sid
ChimeraX Version: 1.1 (2020-09-09 22:22:27 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 1.1 (2020-09-09)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open
> /storage2/Huy/phenix/RealSpaceRefine_7/Tubulin_A11_real_space_refined.pdb

Chain information for Tubulin_A11_real_space_refined.pdb #1  
---  
Chain | Description  
L | No description available  
i | No description available  
  

> open /home/labtech/Desktop/IJ/Tubulin_A11_box.ccp4

Opened Tubulin_A11_box.ccp4, grid size 42,43,63, pixel 1.74,1.74,1.74, shown
at level 0.0902, step 1, values float32  

> volume #2 level 0.0469

> clipper associate #2 toModel #1

Chain information for Tubulin_A11_real_space_refined.pdb  
---  
Chain | Description  
1.2/L | No description available  
1.2/i | No description available  
  

> isolde start

> set selectionWidth 4

Done loading forcefield  

> set bgColor white

> graphics silhouettes true

> lighting shadows true

> addh

Summary of feedback from adding hydrogens to
Tubulin_A11_real_space_refined.pdb #1.2  
---  
notes | No usable SEQRES records for Tubulin_A11_real_space_refined.pdb (#1.2)
chain L; guessing termini instead  
No usable SEQRES records for Tubulin_A11_real_space_refined.pdb (#1.2) chain
i; guessing termini instead  
Chain-initial residues that are actual N termini: /L MET 1, /i MET 1  
Chain-initial residues that are not actual N termini:  
Chain-final residues that are actual C termini:  
Chain-final residues that are not actual C termini: /L ALA 430, /i THR 439  
640 hydrogen bonds  
/L ALA 430 is not terminus, removing H atom from 'C'  
/i THR 439 is not terminus, removing H atom from 'C'  
6629 hydrogens added  
  

> volume #1.1.1.1 level 0.03147

> volume #1.1.1.1 level 0.02519

> hide HC

> isolde restrain ligands #1

> select #1

13466 atoms, 13614 bonds, 872 residues, 14 models selected  

> isolde sim start sel

> delete #L:501

Missing or invalid ""atoms"" argument: invalid atoms specifier  

> delete /L:501

> delete /i:501

> select #1

13382 atoms, 13526 bonds, 870 residues, 18 models selected  

> isolde sim start sel

> select clear

> select clear

Unable to flip peptide bond after 50 rounds. Giving up.  
Unable to flip peptide bond after 50 rounds. Giving up.  
Unable to flip peptide bond after 50 rounds. Giving up.  

> select /i:108-110

54 atoms, 54 bonds, 3 residues, 1 model selected  

> select /L:128-130

42 atoms, 41 bonds, 3 residues, 1 model selected  
Unable to flip peptide bond after 50 rounds. Giving up.  
Unable to flip peptide bond after 50 rounds. Giving up.  
Unable to flip peptide bond after 50 rounds. Giving up.  
Unable to flip peptide bond after 50 rounds. Giving up.  

> select clear

> select /i:71-73

43 atoms, 43 bonds, 3 residues, 1 model selected  

> select /i:182-183

31 atoms, 30 bonds, 2 residues, 1 model selected  

> select /i:180-183

57 atoms, 56 bonds, 4 residues, 1 model selected  

> select /i:182-183

31 atoms, 30 bonds, 2 residues, 1 model selected  

> select clear

> select /i:182-184

45 atoms, 45 bonds, 3 residues, 1 model selected  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 635, in <lambda>  
gw.mousePressEvent = lambda e, s=self: s._dispatch_mouse_event(e,
""mouse_down"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 117, in mouse_down  
self._set_pull_direction(x, y)  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 238, in _set_pull_direction  
pull_vector = self._offset_vector(x, y, ref_point)  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 211, in _offset_vector  
dir = x1 - x0  
TypeError: unsupported operand type(s) for -: 'NoneType' and 'NoneType'  
  
TypeError: unsupported operand type(s) for -: 'NoneType' and 'NoneType'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 211, in _offset_vector  
dir = x1 - x0  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 636, in <lambda>  
gw.mouseMoveEvent = lambda e, s=self: s._dispatch_mouse_event(e, ""mouse_drag"")  
File ""/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/mouse_modes/mousemodes.py"", line 535, in
_dispatch_mouse_event  
f(MouseEvent(event, modifiers=modifiers))  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 197, in mouse_drag  
ref_point = self._pull_reference_point()  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
TypeError: unsupported operand type(s) for +: 'NoneType' and 'float'  
  
File ""/home/labtech/.local/share/ChimeraX/1.1/site-
packages/chimerax/isolde/tugging.py"", line 224, in _pull_reference_point  
self._reference_point += (new_atom_center - lc)  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 NVIDIA 410.48
OpenGL renderer: GeForce GTX TITAN X/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: System manufacturer
Model: System Product Name
OS: Ubuntu 18.04 bionic
Architecture: 64bit ELF
CPU: 32 AMD Ryzen Threadripper 1950X 16-Core Processor
Cache Size: 512 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:            62G        4.8G         53G        261M        4.8G         57G
	Swap:          2.0G        1.2G        824M

Graphics:
	09:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM200 [GeForce GTX TITAN X] [10de:17c2] (rev a1)	
	Subsystem: NVIDIA Corporation GM200 [GeForce GTX TITAN X] [10de:1132]	
	Kernel driver in use: nvidia
PyQt version: 5.12.3
Compiled Qt version: 5.12.4
Runtime Qt version: 5.12.9
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.8.0
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2020.6.20
    chardet: 3.0.4
    ChimeraX-AddH: 2.1.3
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.1
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.6.1
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 1.0.1
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.0
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.0
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.1
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.0
    ChimeraX-Clipper: 0.15.0
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-CommandLine: 1.1.3
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.1
    ChimeraX-CoreFormats: 1.0
    ChimeraX-coulombic: 1.0.1
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-DataFormats: 1.0
    ChimeraX-Dicom: 1.0
    ChimeraX-DistMonitor: 1.1
    ChimeraX-DistUI: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.1
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.0
    ChimeraX-Hbonds: 2.0
    ChimeraX-Help: 1.0
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.0
    ChimeraX-ImageFormats: 1.0
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0
    ChimeraX-ISOLDE: 1.1.0
    ChimeraX-Label: 1.0
    ChimeraX-LinuxSupport: 1.0
    ChimeraX-ListInfo: 1.0
    ChimeraX-Log: 1.1.1
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Map: 1.0.1
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.0
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 1.1
    ChimeraX-MDcrds: 2.0
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.0
    ChimeraX-mmCIF: 2.2
    ChimeraX-MMTF: 2.0
    ChimeraX-Modeller: 1.0
    ChimeraX-ModelPanel: 1.0
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.0
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0
    ChimeraX-OpenCommand: 1.2.1
    ChimeraX-PDB: 2.1
    ChimeraX-PDBBio: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0
    ChimeraX-PubChem: 2.0
    ChimeraX-Read-Pbonds: 1.0
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.0
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.2
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SeqView: 2.2
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.0
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.0
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.0.4
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-Struts: 1.0
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.0
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.0
    ChimeraX-ToolshedUtils: 1.0
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.2.3
    ChimeraX-uniprot: 2.0
    ChimeraX-ViewDockX: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.3
    comtypes: 1.1.7
    cxservices: 1.0
    cycler: 0.10.0
    Cython: 0.29.20
    decorator: 4.4.2
    distlib: 0.3.1
    distro: 1.5.0
    docutils: 0.16
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 2.10.0
    html2text: 2020.1.16
    idna: 2.10
    ihm: 0.16
    imagecodecs: 2020.5.30
    imagecodecs-lite: 2020.1.31
    imagesize: 1.2.0
    ipykernel: 5.3.0
    ipython: 7.15.0
    ipython-genutils: 0.2.0
    jedi: 0.17.2
    Jinja2: 2.11.2
    jupyter-client: 6.1.3
    jupyter-core: 4.6.3
    kiwisolver: 1.2.0
    line-profiler: 2.1.2
    lxml: 4.5.1
    MarkupSafe: 1.1.1
    matplotlib: 3.2.1
    msgpack: 1.0.0
    netifaces: 0.10.9
    networkx: 2.4
    numexpr: 2.7.1
    numpy: 1.18.5
    numpydoc: 1.0.0
    openvr: 1.12.501
    packaging: 20.4
    parso: 0.7.1
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 7.1.2
    pip: 20.2.2
    pkginfo: 1.5.0.1
    prompt-toolkit: 3.0.7
    psutil: 5.7.0
    ptyprocess: 0.6.0
    pycollada: 0.7.1
    pydicom: 2.0.0
    Pygments: 2.6.1
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 2.4.7
    PyQt5-commercial: 5.12.3
    PyQt5-sip: 4.19.19
    PyQtWebEngine-commercial: 5.12.1
    python-dateutil: 2.8.1
    pytz: 2020.1
    pyzmq: 19.0.2
    qtconsole: 4.7.4
    QtPy: 1.9.0
    RandomWords: 0.3.0
    requests: 2.24.0
    scipy: 1.4.1
    setuptools: 49.4.0
    sfftk-rw: 0.6.6.dev0
    six: 1.15.0
    snowballstemmer: 2.0.0
    sortedcontainers: 2.2.2
    Sphinx: 3.1.1
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 1.0.3
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.4
    suds-jurko: 0.6
    tables: 3.6.1
    tifffile: 2020.6.3
    tinyarray: 1.2.2
    tornado: 6.0.4
    traitlets: 5.0.4
    urllib3: 1.25.10
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.34.2

}}}
"	defect	closed	normal		Third Party		fixed		Tom Goddard				all	ChimeraX
