id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
1101	3D Labels breaking session restore	Elaine Meng	Eric Pettersen	"open 1gcn
use right mouse mode to add a residue label
save session
(close models)
restore that session:

Unable to restore session, resetting.

Traceback (most recent call last):
File ""/Users/pett/src/chimerax/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/core/session.py"", line 579, in restore
obj = sm.restore_snapshot(self, data)
File ""/Users/pett/src/chimerax/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/label/label3d.py"", line 380, in restore_snapshot
s.set_state_from_snapshot(session, data)
File ""/Users/pett/src/chimerax/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/chimerax/label/label3d.py"", line 392, in set_state_from_snapshot
ld[o] = ol = cls(o, v, **kw)
TypeError: 'NoneType' object is not callable"	defect	closed	major	0.7	Graphics		fixed		Tom Goddard				all	ChimeraX