/usr/lib/python2.7/dist-packages/mido/backends/ is in python-mido 1.2.7-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/mido/backends/__init__.py
/usr/lib/python2.7/dist-packages/mido/backends/_parser_queue.py
/usr/lib/python2.7/dist-packages/mido/backends/amidi.py
/usr/lib/python2.7/dist-packages/mido/backends/backend.py
/usr/lib/python2.7/dist-packages/mido/backends/portmidi.py
/usr/lib/python2.7/dist-packages/mido/backends/portmidi_init.py
/usr/lib/python2.7/dist-packages/mido/backends/pygame.py
/usr/lib/python2.7/dist-packages/mido/backends/rtmidi.py
/usr/lib/python2.7/dist-packages/mido/backends/rtmidi_python.py
/usr/lib/python2.7/dist-packages/mido/backends/rtmidi_utils.py
/usr/lib/python2.7/dist-packages/mido/backends/test_backend.py
/usr/lib/python2.7/dist-packages/mido/backends/test_rtmidi.py