/usr/lib/python3/dist-packages/gbp/deb/ is in git-buildpackage 0.9.8.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/gbp/deb/__init__.py
/usr/lib/python3/dist-packages/gbp/deb/changelog.py
/usr/lib/python3/dist-packages/gbp/deb/control.py
/usr/lib/python3/dist-packages/gbp/deb/dscfile.py
/usr/lib/python3/dist-packages/gbp/deb/format.py
/usr/lib/python3/dist-packages/gbp/deb/git.py
/usr/lib/python3/dist-packages/gbp/deb/policy.py
/usr/lib/python3/dist-packages/gbp/deb/pristinetar.py
/usr/lib/python3/dist-packages/gbp/deb/rollbackgit.py
/usr/lib/python3/dist-packages/gbp/deb/source.py
/usr/lib/python3/dist-packages/gbp/deb/upstreamsource.py
/usr/lib/python3/dist-packages/gbp/deb/uscan.py