/usr/lib/python2.6/dist-packages/SimPy/tkprogressbar.py is in python-simpy-gui 2.3.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/SimPy/../../../../share/pyshared/SimPy/tkprogressbar.py