id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
394	error saving model image	Greg Couch	Tom Goddard	"When opening 1tna, I get the following traceback:
{{{
Opened mmCIF data containing 1652 atoms and 1770 bonds
Error processing trigger ""frame drawn""
Traceback (most recent call last):
File ""C:\cygwin64\home\gregc\src\chimerax\ChimeraX.app\bin\lib\site-packages\chimerax\core\triggerset.py"", line 114, in invoke
return self._func(self._name, data)
File ""C:\cygwin64\home\gregc\src\chimerax\ChimeraX.app\bin\lib\site-packages\chimerax\core\filehistory.py"", line 49, in <lambda>
t.add_handler('frame drawn', lambda *args, s=self: s.capture_thumbnails_cb())
File ""C:\cygwin64\home\gregc\src\chimerax\ChimeraX.app\bin\lib\site-packages\chimerax\core\filehistory.py"", line 61, in capture_thumbnails_cb
fs.capture_image(models, ses)
File ""C:\cygwin64\home\gregc\src\chimerax\ChimeraX.app\bin\lib\site-packages\chimerax\core\filehistory.py"", line 120, in capture_image
self.image = models_image(session, models, size)
File ""C:\cygwin64\home\gregc\src\chimerax\ChimeraX.app\bin\lib\site-packages\chimerax\core\filehistory.py"", line 166, in models_image
image.save(img_io, format=format)
AttributeError: 'NoneType' object has no attribute 'save'
}}}"	defect	closed	blocker		Input/Output		fixed						all	ChimeraX