Open Stack

Hi,

Starting Tuesday several contributors to StarlingX docs can no longer successfully perform local doc builds:

$ tox -e docs
docs installed: alabaster==0.7.12,Babel==2.9.0,certifi==2020.11.8,chardet==3.0.4,colorama==0.4.4,docutils==0.15.2,dulwich==0.20.14,idna==2.10,imagesize==1.2.0,Jinja2==2.11.2,MarkupSafe==1.1.1,openstackdocstheme==2.2.7,os-api-ref==2.1.0,packaging==20.7,pbr==5.5.1,Pygments==2.7.2,pyparsing==2.4.7,pytz==2020.4,PyYAML==5.3.1,requests==2.25.0,six==1.15.0,snowballstemmer==2.0.0,Sphinx==3.3.1,sphinxcontrib-applehelp==1.0.2,sphinxcontrib-devhelp==1.0.2,sphinxcontrib-htmlhelp==1.0.3,sphinxcontrib-jsmath==1.0.1,sphinxcontrib-qthelp==1.0.3,sphinxcontrib-serializinghtml==1.1.4,urllib3==1.26.2
docs run-test-pre: PYTHONHASHSEED='662'
docs run-test: commands[0] | sphinx-build -a -E -W -d doc/build/doctrees -b html doc/source doc/build/html
ERROR: InvocationError for command could not find executable sphinx-build
___________________________________ summary ___________________________________
ERROR:   docs: commands failed

The executable sphinx-build.exe is missing from docs/.tox/docs/Scripts/

If manually restored, it is deleted the next time tox -e docs is run.  Deleting .tox before rerunning does not help.

Wondering if anyone is seeing this behavior with OpenStack docs and if it might be related to recent pip and virtualenv changes.

Ron

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