/usr/lib/python3/dist-packages/sphinx/search/ is in python3-sphinx 1.6.7-1ubuntu1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python3/dist-packages/sphinx/search/__init__.py
/usr/lib/python3/dist-packages/sphinx/search/da.py
/usr/lib/python3/dist-packages/sphinx/search/de.py
/usr/lib/python3/dist-packages/sphinx/search/en.py
/usr/lib/python3/dist-packages/sphinx/search/es.py
/usr/lib/python3/dist-packages/sphinx/search/fi.py
/usr/lib/python3/dist-packages/sphinx/search/fr.py
/usr/lib/python3/dist-packages/sphinx/search/hu.py
/usr/lib/python3/dist-packages/sphinx/search/it.py
/usr/lib/python3/dist-packages/sphinx/search/ja.py
/usr/lib/python3/dist-packages/sphinx/search/jssplitter.py
/usr/lib/python3/dist-packages/sphinx/search/nl.py
/usr/lib/python3/dist-packages/sphinx/search/no.py
/usr/lib/python3/dist-packages/sphinx/search/pt.py
/usr/lib/python3/dist-packages/sphinx/search/ro.py
/usr/lib/python3/dist-packages/sphinx/search/ru.py
/usr/lib/python3/dist-packages/sphinx/search/sv.py
/usr/lib/python3/dist-packages/sphinx/search/tr.py
/usr/lib/python3/dist-packages/sphinx/search/zh.py