/usr/lib/python2.7/dist-packages/radiotray/DbusFacade.py is in radiotray 0.7.2-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/radiotray/../../../../share/pyshared/radiotray/DbusFacade.py