Header sequence restore: missing 1 required positional argument: 'refresh_callback'

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Darwin-18.2.0-x86_64-i386-64bit
ChimeraX Version: 0.9 (2019-01-30)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.9 (2019-01-30)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /Users/aiste/Desktop/PIC_complex.cxs

Unable to restore session, resetting.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/session.py", line 594, in restore  
obj = sm.restore_snapshot(self, data)  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/tool.py", line 590, in restore_snapshot  
inst.seq_canvas.restore_state(session, data['seq canvas'])  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 1120, in restore_state  
headers.append(header_class.session_restore(session, self.sv, header_state))  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seqalign/headers/header_sequence.py", line 164, in
session_restore  
inst = HeaderSequence(alignment)  
TypeError: __init__() missing 1 required positional argument:
'refresh_callback'  
  
opened ChimeraX session  
Traceback (most recent call last):  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 229, in _actually_resize  
self._reformat()  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 1027, in _reformat  
self.label_width, self.font_pixels, self.numbering_widths, self.letter_gaps())  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 1602, in __init__  
self.layout_lines(alignment.seqs, self.normal_label_color)  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 2244, in layout_lines  
self._layout_line(line, label_color, bli, end)  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 2194, in _layout_line  
font=self._label_font(line))  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 2134, in _label_font  
if self.has_associated_structures(line):  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 2072, in
has_associated_structures  
and [chain for chain in line.match_maps.keys() if not
chain.structure.deleted]:  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/seq-view/seq_canvas.py", line 2072, in <listcomp>  
and [chain for chain in line.match_maps.keys() if not
chain.structure.deleted]:  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/atomic/attr_registration.py", line 39, in _getattr_  
return look_in_class._attr_registration.get_attr(attr_name)  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/atomic/attr_registration.py", line 67, in get_attr  
raise AttributeError("'%s' object has no attribute '%s'" %
(self.class_.__name__, attr_name)) from None  
AttributeError: 'Sequence' object has no attribute 'structure'  
  
AttributeError: 'Sequence' object has no attribute 'structure'  
  
File
"/Applications/ChimeraX.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/atomic/attr_registration.py", line 67, in get_attr  
raise AttributeError("'%s' object has no attribute '%s'" %
(self.class_.__name__, attr_name)) from None  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 ATI-2.4.10
OpenGL renderer: AMD Radeon HD - FirePro D700 OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

[Eric Pettersen]

Fixed on 2/27