/usr/lib/python3/dist-packages/oslo_serialization/ is in python3-oslo.serialization 2.24.0-0ubuntu2.
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/usr/lib/python3/dist-packages/oslo_serialization/__init__.py
/usr/lib/python3/dist-packages/oslo_serialization/base64.py
/usr/lib/python3/dist-packages/oslo_serialization/jsonutils.py
/usr/lib/python3/dist-packages/oslo_serialization/msgpackutils.py
/usr/lib/python3/dist-packages/oslo_serialization/serializer/
/usr/lib/python3/dist-packages/oslo_serialization/serializer/__init__.py
/usr/lib/python3/dist-packages/oslo_serialization/serializer/base_serializer.py
/usr/lib/python3/dist-packages/oslo_serialization/serializer/json_serializer.py
/usr/lib/python3/dist-packages/oslo_serialization/serializer/msgpack_serializer.py
/usr/lib/python3/dist-packages/oslo_serialization/tests/
/usr/lib/python3/dist-packages/oslo_serialization/tests/__init__.py
/usr/lib/python3/dist-packages/oslo_serialization/tests/test_base64.py
/usr/lib/python3/dist-packages/oslo_serialization/tests/test_jsonutils.py
/usr/lib/python3/dist-packages/oslo_serialization/tests/test_msgpackutils.py