/usr/lib/python2.7/dist-packages/cassandra/cqlengine/ is in python-cassandra 2.5.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/__init__.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/columns.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/connection.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/functions.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/management.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/models.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/named.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/operators.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/query.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/statements.py
/usr/lib/python2.7/dist-packages/cassandra/cqlengine/usertype.py