/usr/share/doc/python3-certbot/html/_sources/api/plugins/ is in python-certbot-doc 0.23.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/python3-certbot/html/_sources/api/plugins/common.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/disco.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/dns_common.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/dns_common_lexicon.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/manual.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/selection.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/standalone.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/util.rst.txt
/usr/share/doc/python3-certbot/html/_sources/api/plugins/webroot.rst.txt