/usr/lib/python2.7/dist-packages/PyQt4/uic/properties.py is in python-qt4 4.9.1-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/PyQt4/uic/../../../../../share/pyshared/PyQt4/uic/properties.py