/usr/lib/python2.7/dist-packages/timechart/timechart.py is in pytimechart 1.0.0~rc1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/timechart/../../../../share/pyshared/timechart/timechart.py