/usr/lib/python3/dist-packages/sphinx/util/ is in python3-sphinx 1.4.9-2.
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/usr/lib/python3/dist-packages/sphinx/util/__init__.py
/usr/lib/python3/dist-packages/sphinx/util/compat.py
/usr/lib/python3/dist-packages/sphinx/util/console.py
/usr/lib/python3/dist-packages/sphinx/util/docfields.py
/usr/lib/python3/dist-packages/sphinx/util/docstrings.py
/usr/lib/python3/dist-packages/sphinx/util/i18n.py
/usr/lib/python3/dist-packages/sphinx/util/images.py
/usr/lib/python3/dist-packages/sphinx/util/inspect.py
/usr/lib/python3/dist-packages/sphinx/util/jsdump.py
/usr/lib/python3/dist-packages/sphinx/util/jsonimpl.py
/usr/lib/python3/dist-packages/sphinx/util/logging.py
/usr/lib/python3/dist-packages/sphinx/util/matching.py
/usr/lib/python3/dist-packages/sphinx/util/nodes.py
/usr/lib/python3/dist-packages/sphinx/util/osutil.py
/usr/lib/python3/dist-packages/sphinx/util/parallel.py
/usr/lib/python3/dist-packages/sphinx/util/png.py
/usr/lib/python3/dist-packages/sphinx/util/pycompat.py
/usr/lib/python3/dist-packages/sphinx/util/rst.py
/usr/lib/python3/dist-packages/sphinx/util/smartypants.py
/usr/lib/python3/dist-packages/sphinx/util/stemmer.py
/usr/lib/python3/dist-packages/sphinx/util/tags.py
/usr/lib/python3/dist-packages/sphinx/util/texescape.py
/usr/lib/python3/dist-packages/sphinx/util/websupport.py