/usr/lib/python2.7/dist-packages/bitfield/ is in python-django-bitfield 1.8.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/bitfield/__init__.py
/usr/lib/python2.7/dist-packages/bitfield/admin.py
/usr/lib/python2.7/dist-packages/bitfield/compat.py
/usr/lib/python2.7/dist-packages/bitfield/forms.py
/usr/lib/python2.7/dist-packages/bitfield/models.py
/usr/lib/python2.7/dist-packages/bitfield/query.py
/usr/lib/python2.7/dist-packages/bitfield/tests/
/usr/lib/python2.7/dist-packages/bitfield/tests/__init__.py
/usr/lib/python2.7/dist-packages/bitfield/tests/forms.py
/usr/lib/python2.7/dist-packages/bitfield/tests/models.py
/usr/lib/python2.7/dist-packages/bitfield/tests/tests.py
/usr/lib/python2.7/dist-packages/bitfield/types.py