/usr/lib/python3/dist-packages/psycopg2/ is in python3-psycopg2 2.5.4+dfsg-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/psycopg2/__init__.py
/usr/lib/python3/dist-packages/psycopg2/_json.py
/usr/lib/python3/dist-packages/psycopg2/_psycopg.cpython-34m-x86_64-linux-gnu.so
/usr/lib/python3/dist-packages/psycopg2/_range.py
/usr/lib/python3/dist-packages/psycopg2/errorcodes.py
/usr/lib/python3/dist-packages/psycopg2/extensions.py
/usr/lib/python3/dist-packages/psycopg2/extras.py
/usr/lib/python3/dist-packages/psycopg2/pool.py
/usr/lib/python3/dist-packages/psycopg2/psycopg1.py
/usr/lib/python3/dist-packages/psycopg2/tests/
/usr/lib/python3/dist-packages/psycopg2/tests/__init__.py
/usr/lib/python3/dist-packages/psycopg2/tests/dbapi20.py
/usr/lib/python3/dist-packages/psycopg2/tests/dbapi20_tpc.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_async.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_bugX000.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_bug_gc.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_cancel.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_connection.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_copy.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_cursor.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_dates.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_extras_dictcursor.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_green.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_lobject.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_module.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_notify.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_psycopg2_dbapi20.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_quote.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_transaction.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_types_basic.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_types_extras.py
/usr/lib/python3/dist-packages/psycopg2/tests/test_with.py
/usr/lib/python3/dist-packages/psycopg2/tests/testconfig.py
/usr/lib/python3/dist-packages/psycopg2/tests/testutils.py
/usr/lib/python3/dist-packages/psycopg2/tz.py