/usr/lib/python2.7/dist-packages/alembic/testing/ is in python-alembic 0.9.3-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/alembic/testing/__init__.py
/usr/lib/python2.7/dist-packages/alembic/testing/assertions.py
/usr/lib/python2.7/dist-packages/alembic/testing/compat.py
/usr/lib/python2.7/dist-packages/alembic/testing/config.py
/usr/lib/python2.7/dist-packages/alembic/testing/engines.py
/usr/lib/python2.7/dist-packages/alembic/testing/env.py
/usr/lib/python2.7/dist-packages/alembic/testing/exclusions.py
/usr/lib/python2.7/dist-packages/alembic/testing/fixtures.py
/usr/lib/python2.7/dist-packages/alembic/testing/mock.py
/usr/lib/python2.7/dist-packages/alembic/testing/plugin/
/usr/lib/python2.7/dist-packages/alembic/testing/plugin/__init__.py
/usr/lib/python2.7/dist-packages/alembic/testing/plugin/bootstrap.py
/usr/lib/python2.7/dist-packages/alembic/testing/plugin/noseplugin.py
/usr/lib/python2.7/dist-packages/alembic/testing/plugin/plugin_base.py
/usr/lib/python2.7/dist-packages/alembic/testing/plugin/pytestplugin.py
/usr/lib/python2.7/dist-packages/alembic/testing/provision.py
/usr/lib/python2.7/dist-packages/alembic/testing/requirements.py
/usr/lib/python2.7/dist-packages/alembic/testing/runner.py
/usr/lib/python2.7/dist-packages/alembic/testing/util.py
/usr/lib/python2.7/dist-packages/alembic/testing/warnings.py