/usr/lib/python2.6/dist-packages/cmdtestlib.py is in cmdtest 0.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/../../../share/pyshared/cmdtestlib.py
/usr/lib/python2.6/dist-packages/../../../share/pyshared/cmdtestlib.py