/usr/ is in python3-authres 0.800-2build1.
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..
/usr/lib/
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/authres/
/usr/lib/python3/dist-packages/authres/__main__.py
/usr/lib/python3/dist-packages/authres/__init__.py
/usr/lib/python3/dist-packages/authres/tests
/usr/lib/python3/dist-packages/authres/vbr.py
/usr/lib/python3/dist-packages/authres/dkim_b.py
/usr/lib/python3/dist-packages/authres/dmarc.py
/usr/lib/python3/dist-packages/authres/smime.py
/usr/lib/python3/dist-packages/authres/dkim_adsp.py
/usr/lib/python3/dist-packages/authres/core.py
/usr/lib/python3/dist-packages/authres/rrvs.py
/usr/share/
/usr/share/doc/
/usr/share/doc/python3-authres/
/usr/share/doc/python3-authres/README
/usr/share/doc/python3-authres/copyright
/usr/share/doc/python3-authres/changelog.Debian.gz