/usr/lib/python2.6/dist-packages/numm/sound.py is in python-numm 0.5-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/numm/../../../../share/pyshared/numm/sound.py
/usr/lib/python2.6/dist-packages/numm/../../../../share/pyshared/numm/sound.py