/usr/share/doc/python3-jinja2/rst is in python-jinja2-doc 2.10-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python3-jinja2/../python-jinja2-doc/html/_sources
/usr/share/doc/python3-jinja2/../python-jinja2-doc/html/_sources