/usr/lib/python2.7/dist-packages/traits/protocols/ is in python-traits 4.1.0-1ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/traits/protocols/__init__.py
/usr/lib/python2.7/dist-packages/traits/protocols/_speedups.c
/usr/lib/python2.7/dist-packages/traits/protocols/_speedups.pyx
/usr/lib/python2.7/dist-packages/traits/protocols/_speedups.so
/usr/lib/python2.7/dist-packages/traits/protocols/adapters.py
/usr/lib/python2.7/dist-packages/traits/protocols/advice.py
/usr/lib/python2.7/dist-packages/traits/protocols/api.py
/usr/lib/python2.7/dist-packages/traits/protocols/classic.py
/usr/lib/python2.7/dist-packages/traits/protocols/generate.py
/usr/lib/python2.7/dist-packages/traits/protocols/interfaces.py
/usr/lib/python2.7/dist-packages/traits/protocols/protocols.py