Unexpected None data given to AtomicStructure.restore_snapshot()

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Darwin-18.2.0-x86_64-i386-64bit
ChimeraX Version: 0.9 (2019-01-22)
Description
(Describe the actions that caused this problem to occur here)

Log:
Startup Messages  
---  
note | Traceback (most recent call last):  
  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/toolshed/__init__.py", line 338, in __init__  
  
self.init_available_from_cache(logger)  
  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/toolshed/__init__.py", line 449, in
init_available_from_cache  
  
abc.load_from_cache()  
  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/toolshed/available.py", line 64, in load_from_cache  
  
b = _build_bundle(d)  
  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/toolshed/available.py", line 249, in _build_bundle  
  
keywords = _extract_extra_keywords(keywords)  
  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/toolshed/installed.py", line 270, in
_extract_extra_keywords  
  
all_kwds = [k.strip() for k in kwds.split(',')]  
  
AttributeError: 'list' object has no attribute 'split'  
  
  
  
  
UCSF ChimeraX version: 0.9 (2019-01-22)  
How to cite UCSF ChimeraX  

> open /Users/ubcg54bz/Desktop/DotLMN_Figures/Hexameric-
Complex/First_session-23-02-19.cxs

Unable to restore session, resetting.  
  
Traceback (most recent call last):  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/session.py", line 596, in restore  
obj = sm.restore_snapshot(self, data)  
File
"/Users/ubcg54bz/Desktop/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/atomic/structure.py", line 2360, in restore_snapshot  
if data.get('AtomicStructure version', 1) == 1:  
AttributeError: 'NoneType' object has no attribute 'get'  
  
opened ChimeraX session  




OpenGL version: 4.1 ATI-2.4.10
OpenGL renderer: AMD Radeon Pro 560X OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

[Eric Pettersen]

Basically a duplicate of #1660