Sequence viewer: row is None

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        macOS-10.16-x86_64-i386-64bit
ChimeraX Version: 1.3rc202110301701 (2021-10-30 17:01:03 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 1.3rc202110301701 (2021-10-30)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open "/Users/stoolisa/Desktop/vopmax_locRef_NCPs_J186_J190 2.mrc" format mrc

Opened vopmax_locRef_NCPs_J186_J190 2.mrc as #1, grid size 420,420,420, pixel
0.845, shown at level 0.0865, step 2, values float32  

> ui tool show "Fit in Map"

> open /Volumes/scratch/gmicro_structure/gthoma/stoolisa/CLOCK-
> BMAL1-tandem/P7_J182/6_isolde.pdb

Chain information for 6_isolde.pdb #2  
---  
Chain | Description  
A E | No description available  
B F | No description available  
C G | No description available  
D H | No description available  
I | No description available  
J | No description available  
K M | No description available  
L N | No description available  
  
Fit molecule 6_isolde.pdb (#2) to map vopmax_locRef_NCPs_J186_J190 2.mrc (#1)
using 41351 atoms  
average map value = 0.081, steps = 440  
shifted from previous position = 37.3  
rotated from previous position = 16.3 degrees  
atoms outside contour = 28418, contour level = 0.086472  
  
Position of 6_isolde.pdb (#2) relative to vopmax_locRef_NCPs_J186_J190 2.mrc
(#1) coordinates:  
Matrix rotation and translation  
0.95994716 0.06087299 -0.27348844 57.07224157  
-0.05783897 0.99814222 0.01915086 20.77174622  
0.27414613 -0.00256552 0.96168463 -5.10836023  
Axis -0.03872570 -0.97656869 -0.21169296  
Axis point 62.62952499 0.00000000 196.47809273  
Rotation angle (degrees) 16.28331067  
Shift along axis -21.41379581  
  

> show cartoons

> hide atoms

> hide #!2 models

> close #2

> open
> /Volumes/scratch/gmicro_structure/gthoma/stoolisa/MADMAX/building/6_two_halves.pdb

Chain information for 6_two_halves.pdb #2  
---  
Chain | Description  
A L | No description available  
B M | No description available  
C N | No description available  
D H O S | No description available  
E P | No description available  
F Q | No description available  
G R | No description available  
I T | No description available  
J U | No description available  
K V | No description available  
e g | No description available  
f h | No description available  
  

> show cartoons

> hide atoms

> volume #1 level 0.1647

> volume #1 step 1

> volume #1 level 0.1766

> ui mousemode right zoom

> ui mousemode right translate

> set bgColor white

> lighting soft

> color #2/C,G #e9d6b1

> color #2/D,H #ddb49c

> color #2/A,E #bec4d0

> color #2/B,F #cde4bd

> hide #!1 models

> select /N

842 atoms, 849 bonds, 1 pseudobond, 110 residues, 2 models selected  

> color #2/C,G,P,T #e9d6b1

> color #2/D,H,Q,U #ddb49c

> color #2/A,E,N,R #bec4d0

> color #2/B,F,O,S #cde4bd

> select up

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 2 models selected  

> select up

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 4 models selected  

> color #2/A,E,N,O #bec4d0

> color #2/A,E,T,O #bec4d0

> color #2/O #bec4d0

> color #2/O red

> color #2/O/T #e9d6b1

> color #2/O/S #e9d6b1

> color #2/N/Q #ddb49c

> ui mousemode right zoom

> select up

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 4 models selected  

> color #2/N/Q #e9d6b1

> color #2/N/R #ddb49c

> color #2/N/R #e9d6b1

> color #2/O/S #ddb49c

> color #2/M/Q #cde4bd

> color #2/M/L #bec4d0

> color #2/f/h rebecca purple

> ui tool show "Color Actions"

> color #2/e/g gold

> color #2/I #D3D3D3

> color #2/J #696969

> color #2/I/T #D3D3D3

> color #2/J/U #696969

> color #2/K/V crimson

> color #2/K/V orange red

> color #2/K/V red

> graphics silhouettes true

> ~select #2

2 models selected  

> show #!1 models

> color zone #1 near #2 distance 4

> color zone #1 near #2 distance 5

> color zone #1 near #2 distance 8

> hide #!1 models

> ui mousemode right translate

> show #!1 models

> hide #!1 models

> select /g

653 atoms, 660 bonds, 79 residues, 1 model selected  
Alignment identifier is 2/g  

> select /g:80

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /g:67-80

130 atoms, 130 bonds, 14 residues, 1 model selected  

> select /g:80

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /g:79-80

18 atoms, 17 bonds, 2 residues, 1 model selected  

> select /g:76-77,79-80

38 atoms, 36 bonds, 4 residues, 1 model selected  

> select /g:72-73,76-77,79-80

59 atoms, 57 bonds, 6 residues, 1 model selected  

> select /g:68-69,72-73,76-77,79-80

79 atoms, 76 bonds, 8 residues, 1 model selected  

> select /g:64-65,68-69,72-73,76-77,79-80

95 atoms, 91 bonds, 10 residues, 1 model selected  

> select /g:64-65,68-69,72-73,76-77,79-80

95 atoms, 91 bonds, 10 residues, 1 model selected  

> select /g:64-66,68-69,72-73,76-77,79-80

104 atoms, 100 bonds, 11 residues, 1 model selected  

> show sel atoms

> style sel stick

Changed 104 atom styles  

> volume #1 level 0.2958

> ui mousemode right zoom

> volume #1 color #b2b2b25d

> color zone #1 near #2 distance 8

> volume #1 color #b2b2b232

> volume #1 color #b2b2b230

> select /D

730 atoms, 737 bonds, 2 pseudobonds, 94 residues, 2 models selected  
Alignment identifier is 2/D  

> select /D:123-124

11 atoms, 10 bonds, 2 residues, 1 model selected  

> select /D:100-124

181 atoms, 183 bonds, 25 residues, 1 model selected  

> select /D:71

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /D:71

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /D:123-124

11 atoms, 10 bonds, 2 residues, 1 model selected  

> select /D:92-124

248 atoms, 250 bonds, 33 residues, 1 model selected  

> select /D:105

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /D:105

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /D:113

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /D:113

9 atoms, 8 bonds, 1 residue, 1 model selected  

> style sel stick

Changed 9 atom styles  

> show sel atoms

> select /D:105

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /D:105

9 atoms, 8 bonds, 1 residue, 1 model selected  

> show sel atoms

> style sel stick

Changed 9 atom styles  

> select /D:82

10 atoms, 10 bonds, 1 residue, 1 model selected  

> select /D:82-83

22 atoms, 23 bonds, 2 residues, 1 model selected  

> select /D:109

10 atoms, 10 bonds, 1 residue, 1 model selected  

> select /D:109

10 atoms, 10 bonds, 1 residue, 1 model selected  

> show sel atoms

> style sel stick

Changed 10 atom styles  

> select /C

842 atoms, 849 bonds, 1 pseudobond, 110 residues, 2 models selected  
Alignment identifier is 2/C  

> select /C:115-116

16 atoms, 15 bonds, 2 residues, 1 model selected  

> select /C:73-116

346 atoms, 348 bonds, 44 residues, 1 model selected  

> select /C:45

5 atoms, 4 bonds, 1 residue, 1 model selected  

> select /C:45-67

165 atoms, 167 bonds, 23 residues, 1 model selected  

> select /C:56

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /C:56

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /C:56,61

18 atoms, 16 bonds, 2 residues, 1 model selected  

> select /C:56,61,64-65

35 atoms, 32 bonds, 4 residues, 1 model selected  

> select /C:56,61,64-65

35 atoms, 32 bonds, 4 residues, 1 model selected  

> select /C:56,61,64-65,90-92

61 atoms, 57 bonds, 7 residues, 1 model selected  

> show sel atoms

> style sel stick

Changed 61 atom styles  

> select /C:65

8 atoms, 7 bonds, 1 residue, 1 model selected  

> select /C:65

8 atoms, 7 bonds, 1 residue, 1 model selected  

> hide sel atoms

> ui mousemode right translate

> volume #1 level 0.2928

> volume #1 level 0.2255

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right rotate

> ui mousemode right translate

> ui mousemode right clip

[Repeated 1 time(s)]

> ui tool show "Side View"

> show sel atoms

> color sel byelement

> undo

> color sel byhetero

> ui mousemode right zoom

> ui mousemode right translate

> hide sel atoms

> volume #1 level 0.1867

> ui mousemode right zoom

> ui mousemode right translate

[Repeated 1 time(s)]

> ui mousemode right zoom

> ui mousemode right rotate

> volume #1 level 0.2613

> select #2

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 2 models selected  

> ui mousemode right "translate selected models"

> view matrix models #2,1,0,0,0.4728,0,1,0,0.084037,0,0,1,-0.15777

> undo

> view matrix models #2,1,0,0,0.61643,0,1,0,0.25404,0,0,1,-0.025893

> select /g

653 atoms, 660 bonds, 79 residues, 1 model selected  
Alignment identifier is 2/g  

> select /g:70

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /g:70

9 atoms, 8 bonds, 1 residue, 1 model selected  

> show sel atoms

> hide sel atoms

> select /g:68

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /g:68

9 atoms, 8 bonds, 1 residue, 1 model selected  

> select /g

653 atoms, 660 bonds, 79 residues, 1 model selected  
Alignment identifier is 2/g  

> select /g:64

8 atoms, 7 bonds, 1 residue, 1 model selected  

> select /g:64

8 atoms, 7 bonds, 1 residue, 1 model selected  

> hide sel atoms

> ui mousemode right translate

> ui mousemode right zoom

> select #2

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 2 models selected  

> ~select #2

Nothing selected  

> save /Users/stoolisa/Desktop/image5.png supersample 3

> ui mousemode right translate

> volume #1 level 0.2106

> ui mousemode right zoom

> ui mousemode right translate

> ui mousemode right zoom

> select #2

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 2 models selected  

> ~select #2

Nothing selected  

> select /g

653 atoms, 660 bonds, 79 residues, 1 model selected  

> ui mousemode right "translate selected models"

> view matrix models #2,1,0,0,0.534,0,1,0,0.30811,0,0,1,-0.5202

> undo

> ui mousemode right zoom

> ui mousemode right "translate selected models"

> open
> /Volumes/scratch/gmicro_structure/gthoma/stoolisa/MADMAX/building/9_isolde.pdb

Summary of feedback from opening
/Volumes/scratch/gmicro_structure/gthoma/stoolisa/MADMAX/building/9_isolde.pdb  
---  
warning | Ignored bad PDB record found on line 378  
CRYST1 400 400 400 90 90 90 P 1  
  
Chain information for 9_isolde.pdb #3  
---  
Chain | Description  
A L | No description available  
B M | No description available  
C | No description available  
D H O S | No description available  
E P | No description available  
F Q | No description available  
G R | No description available  
I T | No description available  
J U | No description available  
K V | No description available  
N | No description available  
e g | No description available  
f | No description available  
h | No description available  
  

> hide sel cartoons

> show sel cartoons

> hide sel atoms

> show sel atoms

> select #2

28514 atoms, 30212 bonds, 32 pseudobonds, 2604 residues, 2 models selected  

> select #3

52312 atoms, 54041 bonds, 2611 residues, 1 model selected  

> hide sel atoms

> show sel cartoons

> hide #!2 models

> color #3/K/V red

> color #3/J/U #696969

[Repeated 1 time(s)]

> color #3/I/T #D3D3D3

> color #3/e/g gold

> color #3/O/S #ddb49c

> color #3/f/h rebecca purple

> color #3/M/Q #cde4bd

> color #3/M/L #bec4d0

> color #3/N/R #ddb49c color #3/N/R #e9d6b1

Invalid "color" argument: Expected a color or one of 'byatom', 'bychain',
'byelement', 'byhetero', 'byidentity', 'bymodel', 'bynucleotide', 'bypolymer',
'fromatoms', or 'random'  

> color #3/N/R #ddb49ccolor #3/N/R #e9d6b1

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/N/R #ddb49ccolor #3/N/R #e9d6b1

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/N/R #ddb49c color #3/N/R #e9d6b1

Invalid "color" argument: Expected a color or one of 'byatom', 'bychain',
'byelement', 'byhetero', 'byidentity', 'bymodel', 'bynucleotide', 'bypolymer',
'fromatoms', or 'random'  

> color #3/N/R #ddb49c

> color #3/N/R #e9d6b1

> color #3/B,F #cde4bd

> color #3/A,E #bec4d0

> color #3/B,F #cde4bd

> color #3/C,G, #e9d6b1

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/D,H, #ddb49c

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/A,E, #bec4d0

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/B,F, #cde4bd

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/B,F, #cde4bd

Expected a color or one of 'byatom', 'bychain', 'byelement', 'byhetero',
'byidentity', 'bymodel', 'bynucleotide', 'bypolymer', 'fromatoms', or 'random'
or a keyword  

> color #3/C,G #e9d6b1

> color #3/D,H #ddb49c

> color #3/A,E #bec4d0

> color #3/B,F #cde4bd

> ui mousemode right zoom

> select #3/g

1349 atoms, 1356 bonds, 79 residues, 1 model selected  
Alignment identifier is 3/g  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/region_browser.py", line 1465, in _mouse_drag_cb  
block = self.seq_canvas.bounded_by(canvas_x, canvas_y, self._start_x,
self._start_y,  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 428, in bounded_by  
return self.lead_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1738, in bounded_by  
return self.next_block.bounded_by(x1, y1, x2, y2, exclude_headers)  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row < num_headers:  
TypeError: '<' not supported between instances of 'NoneType' and 'int'  
  
TypeError: '  
File
"/Users/stoolisa/Desktop/ChimeraX-1.3-rc2021.10.30.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-
packages/chimerax/seq-view/seq_canvas.py", line 1751, in bounded_by  
if hi_row  
See log for complete Python traceback.  
  




OpenGL version: 4.1 Metal - 83
OpenGL renderer: Apple M1
OpenGL vendor: AppleHardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: MacBookPro17,1
      Model Number: Z11C000PYSM/A
      Chip: Unknown
      Total Number of Cores: 8 (4 performance and 4 efficiency)
      Memory: 16 GB
      System Firmware Version: 8419.80.7
      OS Loader Version: 8419.80.7

Software:

    System Software Overview:

      System Version: macOS 13.2.1 (22D68)
      Kernel Version: Darwin 22.3.0
      Time since boot: 1 hour, 5 minutes

Graphics/Displays:

    Apple M1:

      Chipset Model: Apple M1
      Type: GPU
      Bus: Built-In
      Total Number of Cores: 8
      Vendor: Apple (0x106b)
      Metal Support: Metal 3
      Displays:
        Color LCD:
          Display Type: Built-In Retina LCD
          Resolution: 2560 x 1600 Retina
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Automatically Adjust Brightness: Yes
          Connection Type: Internal

Locale: (None, 'UTF-8')
PyQt5 5.15.2, Qt 5.15.2
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    appnope: 0.1.2
    Babel: 2.9.1
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2021.5.30
    cftime: 1.5.1
    charset-normalizer: 2.0.7
    ChimeraX-AddCharge: 1.1.5
    ChimeraX-AddH: 2.1.10
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.2.3
    ChimeraX-AlphaFold: 1.0
    ChimeraX-AltlocExplorer: 1.0.1
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.30.2
    ChimeraX-AtomicLibrary: 4.1.5
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AtomSearchLibrary: 1.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 2.0
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.6
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.1
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.2
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.2.2
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5
    ChimeraX-CommandLine: 1.1.5
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.3rc202110301701
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.1
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0
    ChimeraX-DataFormats: 1.2.2
    ChimeraX-Dicom: 1.0
    ChimeraX-DistMonitor: 1.1.5
    ChimeraX-DistUI: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.1
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.1
    ChimeraX-Hbonds: 2.1.2
    ChimeraX-Help: 1.2
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.1
    ChimeraX-ItemsInspection: 1.0
    ChimeraX-Label: 1.1
    ChimeraX-ListInfo: 1.1.1
    ChimeraX-Log: 1.1.4
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.1
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 2.0.2
    ChimeraX-MDcrds: 2.6
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.1
    ChimeraX-mmCIF: 2.4
    ChimeraX-MMTF: 2.1
    ChimeraX-Modeller: 1.2.5
    ChimeraX-ModelPanel: 1.2
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.1
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0.2
    ChimeraX-OpenCommand: 1.7
    ChimeraX-PDB: 2.6.5
    ChimeraX-PDBBio: 1.0
    ChimeraX-PDBLibrary: 1.0.2
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0.1
    ChimeraX-PubChem: 2.1
    ChimeraX-ReadPbonds: 1.0
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.4.5
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.1
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.1
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.6
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-Struts: 1.0
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.1
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.1
    ChimeraX-ToolshedUtils: 1.2
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.13.7
    ChimeraX-uniprot: 2.2
    ChimeraX-UnitCell: 1.0
    ChimeraX-ViewDockX: 1.0.1
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.4
    cxservices: 1.1
    cycler: 0.11.0
    Cython: 0.29.24
    decorator: 5.1.0
    docutils: 0.17.1
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 3.5.0
    html2text: 2020.1.16
    idna: 3.3
    ihm: 0.21
    imagecodecs: 2021.4.28
    imagesize: 1.2.0
    ipykernel: 5.5.5
    ipython: 7.23.1
    ipython-genutils: 0.2.0
    jedi: 0.18.0
    Jinja2: 3.0.1
    jupyter-client: 6.1.12
    jupyter-core: 4.9.1
    kiwisolver: 1.3.2
    lxml: 4.6.3
    lz4: 3.1.3
    MarkupSafe: 2.0.1
    matplotlib: 3.4.3
    matplotlib-inline: 0.1.3
    msgpack: 1.0.2
    netCDF4: 1.5.7
    networkx: 2.6.3
    numexpr: 2.7.3
    numpy: 1.21.2
    openvr: 1.16.801
    packaging: 21.0
    ParmEd: 3.2.0
    parso: 0.8.2
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 8.3.2
    pip: 21.2.4
    pkginfo: 1.7.1
    prompt-toolkit: 3.0.21
    psutil: 5.8.0
    ptyprocess: 0.7.0
    pycollada: 0.7.1
    pydicom: 2.1.2
    Pygments: 2.10.0
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 3.0.4
    PyQt5-commercial: 5.15.2
    PyQt5-sip: 12.8.1
    PyQtWebEngine-commercial: 5.15.2
    python-dateutil: 2.8.2
    pytz: 2021.3
    pyzmq: 22.3.0
    qtconsole: 5.1.1
    QtPy: 1.11.2
    RandomWords: 0.3.0
    requests: 2.26.0
    scipy: 1.7.1
    setuptools: 57.5.0
    sfftk-rw: 0.7.1
    six: 1.16.0
    snowballstemmer: 2.1.0
    sortedcontainers: 2.4.0
    Sphinx: 4.2.0
    sphinx-autodoc-typehints: 1.12.0
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 2.0.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.5
    suds-jurko: 0.6
    tifffile: 2021.4.8
    tinyarray: 1.2.3
    tornado: 6.1
    traitlets: 5.1.1
    urllib3: 1.26.7
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.37.0
    wheel-filename: 1.3.0