Linux: ImportError: libGLU.so.1: cannot open shared object file: No such file or directory

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-5.11.0-41-generic-x86_64-with-glibc2.31
ChimeraX Version: 1.3 (2021-12-08 23:08:33 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
Startup Errors  
---  
error | Bundle 'ChimeraX-Surface' custom initialization failed  
warning | Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/toolshed/info.py", line 484, in get_module  
m = importlib.import_module(self.package_name)  
File "/usr/lib/ucsf-chimerax/lib/python3.9/importlib/__init__.py", line 127,
in import_module  
return _bootstrap._gcd_import(name[level:], package, level)  
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import  
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load  
File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked  
File "<frozen importlib._bootstrap>", line 680, in _load_unlocked  
File "<frozen importlib._bootstrap_external>", line 850, in exec_module  
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/toolshed/info.py", line 359, in initialize  
api = self._get_api(session.logger)  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/toolshed/info.py", line 503, in _get_api  
m = self.get_module()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/toolshed/info.py", line 486, in get_module  
raise ToolshedError("Error importing bundle %s's module: %s" % (self.name,
str(e)))  
chimerax.core.toolshed.ToolshedError: Error importing bundle ChimeraX-
Surface's module: libGLU.so.1: cannot open shared object file: No such file or
directory  
note | available bundle cache has not been initialized yet  
  
UCSF ChimeraX version: 1.3 (2021-12-08)  
© 2016-2021 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in  
from ._surface import subdivide_triangles, vertex_areas  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 139, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/core/updateloop.py", line 60, in draw_new_frame  
from chimerax import surface  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in <module>  
from ._surface import subdivide_triangles, vertex_areas  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
ImportError: libGLU.so.1: cannot open shared object file: No such file or
directory  
  
File "/usr/lib/ucsf-chimerax/lib/python3.9/site-
packages/chimerax/surface/__init__.py", line 23, in




OpenGL version: 3.3.0 NVIDIA 495.29.05
OpenGL renderer: Quadro P620/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: System manufacturer
Model: System Product Name
OS: Ubuntu 20.04 focal
Architecture: 64bit ELF
Virutal Machine: none
CPU: 64 AMD Ryzen Threadripper 2990WX 32-Core Processor
Cache Size: 512 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:           62Gi       7.4Gi       5.3Gi       371Mi        50Gi        54Gi
	Swap:         2.0Gi       319Mi       1.7Gi

Graphics:
	41:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP107GL [Quadro P620] [10de:1cb6] (rev a1)	
	Subsystem: NVIDIA Corporation GP107GL [Quadro P620] [10de:1264]	
	Kernel driver in use: nvidia
Locale: ('en_GB', 'UTF-8')
PyQt5 5.15.2, Qt 5.15.2
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.9.1
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2021.10.8
    cftime: 1.5.1.1
    charset-normalizer: 2.0.9
    ChimeraX-AddCharge: 1.2.2
    ChimeraX-AddH: 2.1.11
    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: 1.31
    ChimeraX-AtomicLibrary: 4.2
    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: 2.6.1
    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: 1.3
    ChimeraX-CoreFormats: 1.1
    ChimeraX-coulombic: 1.3.2
    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-LinuxSupport: 1.0
    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: 2.0.4
    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: 1.2.6
    ChimeraX-ModelPanel: 1.2.1
    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: 1.0.1
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.1
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0.1
    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: 2.4.6
    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: 1.6.1
    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
    distro: 1.6.0
    docutils: 0.17.1
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 3.6.0
    html2text: 2020.1.16
    idna: 3.3
    ihm: 0.21
    imagecodecs: 2021.4.28
    imagesize: 1.3.0
    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
    line-profiler: 3.3.0
    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: 2.8.0
    numpy: 1.21.2
    openvr: 1.16.801
    packaging: 21.3
    ParmEd: 3.2.0
    parso: 0.8.3
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 8.3.2
    pip: 21.2.4
    pkginfo: 1.7.1
    prompt-toolkit: 3.0.23
    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: 3.0.6
    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: 1.11.3
    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: 2.2.0
    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
    tables: 3.6.1
    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

[Greg Couch]

User needs to install mesa libGLU package. On Ubuntu 20.04, that is the libglu1-mesa package. That package is a dependency of the Ubuntu 20.04 ChimeraX release, so the user must have installed the generic version.