/usr/lib/python2.7/dist-packages/cogent/core/ is in python-cogent 1.9-9.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/cogent/core/__init__.py
/usr/lib/python2.7/dist-packages/cogent/core/alignment.py
/usr/lib/python2.7/dist-packages/cogent/core/alphabet.py
/usr/lib/python2.7/dist-packages/cogent/core/annotation.py
/usr/lib/python2.7/dist-packages/cogent/core/bitvector.py
/usr/lib/python2.7/dist-packages/cogent/core/entity.py
/usr/lib/python2.7/dist-packages/cogent/core/genetic_code.py
/usr/lib/python2.7/dist-packages/cogent/core/info.py
/usr/lib/python2.7/dist-packages/cogent/core/location.py
/usr/lib/python2.7/dist-packages/cogent/core/moltype.py
/usr/lib/python2.7/dist-packages/cogent/core/profile.py
/usr/lib/python2.7/dist-packages/cogent/core/sequence.py
/usr/lib/python2.7/dist-packages/cogent/core/tree.py
/usr/lib/python2.7/dist-packages/cogent/core/usage.py