/usr/lib/python3/dist-packages/sphinx/websupport/ is in python3-sphinx 1.4.9-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/sphinx/websupport/__init__.py
/usr/lib/python3/dist-packages/sphinx/websupport/errors.py
/usr/lib/python3/dist-packages/sphinx/websupport/search/
/usr/lib/python3/dist-packages/sphinx/websupport/search/__init__.py
/usr/lib/python3/dist-packages/sphinx/websupport/search/nullsearch.py
/usr/lib/python3/dist-packages/sphinx/websupport/search/whooshsearch.py
/usr/lib/python3/dist-packages/sphinx/websupport/search/xapiansearch.py
/usr/lib/python3/dist-packages/sphinx/websupport/storage/
/usr/lib/python3/dist-packages/sphinx/websupport/storage/__init__.py
/usr/lib/python3/dist-packages/sphinx/websupport/storage/differ.py
/usr/lib/python3/dist-packages/sphinx/websupport/storage/sqlalchemy_db.py
/usr/lib/python3/dist-packages/sphinx/websupport/storage/sqlalchemystorage.py