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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span>Hello and good morning,</span></div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span><br>
</span></div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span>I have always had a great experience using Chimera and so I was hoping to try out ChimeraX for some of our larger cryo-em data sets. However, following download and an install that did not seem to produce an error message, I can not seem to initialize
the program. I have copied the output from the command prompt below. Beyond that, I should probably also mention that we are running the centos-release-7-6.1810.2.el7.centos.x86_64 operating system with intel chips and nvidia graphics cards.</span></div>
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<span><br>
</span></div>
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<span><span>[root@gaolab ~]# chimerax-daily<br>
</span><span></span>NOTE: available bundle cache has not been initialized yet<br>
</span></div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<div>WARNING: could not retrieve bundle list from toolshed<br>
</div>
<div>NOTE: Traceback (most recent call last): <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/runpy.py", line 193, in<br>
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<div>_run_module_as_main <br>
</div>
<div> "__main__", mod_spec) <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/runpy.py", line 85, in<br>
</div>
<div>_run_code <br>
</div>
<div> exec(code, run_globals) <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/site-<br>
</div>
<div>packages/ChimeraX_main.py", line 871, in <module> <br>
</div>
<div> exit_code = init(sys.argv) <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/site-<br>
</div>
<div>packages/ChimeraX_main.py", line 580, in init <br>
</div>
<div> check_available=opts.get_available_bundles) <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/site-<br>
</div>
<div>packages/chimerax/core/toolshed/__init__.py", line 1681, in init <br>
</div>
<div> _toolshed = Toolshed(*args, **kw) <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/site-<br>
</div>
<div>packages/chimerax/core/toolshed/__init__.py", line 359, in __init__ <br>
</div>
<div> if not available.has_cache_file(self._cache_dir): <br>
</div>
<div> File "/opt/UCSF/ChimeraX-daily/lib/python3.7/site-<br>
</div>
<div>packages/chimerax/core/toolshed/available.py", line 109, in has_cache_file <br>
</div>
<div> return os.path.exists(os.path.join(cache_dir, _CACHE_FILE)) <br>
</div>
<div> File "/usr/bin/../../opt/UCSF/ChimeraX-daily/lib/python3.7/posixpath.py",<br>
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<div>line 80, in join <br>
</div>
<div> a = os.fspath(a) <br>
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<div>TypeError: expected str, bytes or os.PathLike object, not NoneType <br>
</div>
<div> <br>
</div>
<div><br>
</div>
<div>BUG: TypeError: expected str, bytes or os.PathLike object, not NoneType <br>
</div>
<div> <br>
</div>
<div>File "/usr/bin/../../opt/UCSF/ChimeraX-daily/lib/python3.7/posixpath.py", line<br>
</div>
<div>80, in join <br>
</div>
<div>a = os.fspath(a) <br>
</div>
<div> <br>
</div>
<div> _See log for complete Python traceback._ <br>
</div>
<span></span><br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Thanks in advance for any support you may be able to provide on this!</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
-Alex<br>
</div>
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<div style="font-size:13.3333px"><b style="color:rgb(32,31,30); font-family:Calibri,sans-serif; font-size:11pt; font-style:inherit; font-variant-ligatures:inherit; font-variant-caps:inherit"><span style="font-size:10pt; font-family:Arial,sans-serif; color:black">Alexander
Brown IV, PhD</span></b><br>
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<span style="margin:0px; font-size:10pt; font-family:Arial,sans-serif; color:black">University of Massachusetts Medical School</span></p>
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<span style="margin:0px; font-size:10pt; font-family:Arial,sans-serif; color:black">Email:<span> </span><a href="mailto:alex.brown@umassmed.edu" target="_blank" rel="noopener noreferrer" style="margin:0px">alex.brown@umassmed.edu</a></span><u><span style="margin:0px; color:rgb(5,99,193)"></span></u></p>
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