/usr/lib/python3/dist-packages/ is in python3-simplestreams 0.1.0~bzr341-0ubuntu1.
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/usr/lib/python3/dist-packages/simplestreams/
/usr/lib/python3/dist-packages/simplestreams/log.py
/usr/lib/python3/dist-packages/simplestreams/contentsource.py
/usr/lib/python3/dist-packages/simplestreams/filters.py
/usr/lib/python3/dist-packages/simplestreams/__init__.py
/usr/lib/python3/dist-packages/simplestreams/objectstores/
/usr/lib/python3/dist-packages/simplestreams/objectstores/__init__.py
/usr/lib/python3/dist-packages/simplestreams/mirrors/
/usr/lib/python3/dist-packages/simplestreams/mirrors/command_hook.py
/usr/lib/python3/dist-packages/simplestreams/mirrors/__init__.py
/usr/lib/python3/dist-packages/simplestreams/util.py