id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
1893	Unexpected None data given to AtomicStructure.restore_snapshot()	cma@…	Greg Couch	"{{{
The following bug report has been submitted:
Platform:        Linux-3.10.0-957.5.1.el7.x86_64-x86_64-with-centos-7.6.1810-Core
ChimeraX Version: 0.9 (2019-04-24)
Description
Cannot open saved session
CentOS7

Log:
UCSF ChimeraX version: 0.9 (2019-04-24)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /home/thchen/xray/MC813_xray/chimeraX/mc813cdr.cxs format session

Unable to restore session, resetting.  
  
Traceback (most recent call last):  
File ""/opt/UCSF/ChimeraX-daily/lib/python3.7/site-
packages/chimerax/core/session.py"", line 594, in restore  
obj = sm.restore_snapshot(self, data)  
File ""/opt/UCSF/ChimeraX-daily/lib/python3.7/site-
packages/chimerax/atomic/structure.py"", line 2369, in restore_snapshot  
if data.get('AtomicStructure version', 1) == 1:  
AttributeError: 'NoneType' object has no attribute 'get'  
  
opened ChimeraX session  

> open /home/thchen/xray/MC813_xray/chimeraX/mc813cdr.cxs

Unable to restore session, resetting.  
  
Traceback (most recent call last):  
File ""/opt/UCSF/ChimeraX-daily/lib/python3.7/site-
packages/chimerax/core/session.py"", line 594, in restore  
obj = sm.restore_snapshot(self, data)  
File ""/opt/UCSF/ChimeraX-daily/lib/python3.7/site-
packages/chimerax/atomic/structure.py"", line 2369, in restore_snapshot  
if data.get('AtomicStructure version', 1) == 1:  
AttributeError: 'NoneType' object has no attribute 'get'  
  
opened ChimeraX session  




OpenGL version: 3.3.0 NVIDIA 418.39
OpenGL renderer: GeForce RTX 2080/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

}}}
"	defect	closed	normal		Sessions		duplicate						all	ChimeraX