/usr/lib/python3/dist-packages/stdeb/ is in python3-stdeb 0.8.2-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/stdeb/__init__.py
/usr/lib/python3/dist-packages/stdeb/cli_runner.py
/usr/lib/python3/dist-packages/stdeb/command/
/usr/lib/python3/dist-packages/stdeb/command/__init__.py
/usr/lib/python3/dist-packages/stdeb/command/bdist_deb.py
/usr/lib/python3/dist-packages/stdeb/command/common.py
/usr/lib/python3/dist-packages/stdeb/command/debianize.py
/usr/lib/python3/dist-packages/stdeb/command/install_deb.py
/usr/lib/python3/dist-packages/stdeb/command/sdist_dsc.py
/usr/lib/python3/dist-packages/stdeb/downloader.py
/usr/lib/python3/dist-packages/stdeb/transport.py
/usr/lib/python3/dist-packages/stdeb/util.py