/usr/lib/python2.7/dist-packages/etk.docking-0.2-nspkg.pth is in python-etk.docking 0.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/../../../share/pyshared/etk.docking-0.2-nspkg.pth