/usr/lib/python2.7/dist-packages/whoosh/util/ is in python-whoosh 2.7.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/whoosh/util/__init__.py
/usr/lib/python2.7/dist-packages/whoosh/util/cache.py
/usr/lib/python2.7/dist-packages/whoosh/util/filelock.py
/usr/lib/python2.7/dist-packages/whoosh/util/loading.py
/usr/lib/python2.7/dist-packages/whoosh/util/numeric.py
/usr/lib/python2.7/dist-packages/whoosh/util/numlists.py
/usr/lib/python2.7/dist-packages/whoosh/util/testing.py
/usr/lib/python2.7/dist-packages/whoosh/util/text.py
/usr/lib/python2.7/dist-packages/whoosh/util/times.py
/usr/lib/python2.7/dist-packages/whoosh/util/varints.py
/usr/lib/python2.7/dist-packages/whoosh/util/versions.py