/usr/lib/pyshared/python2.7/gps/packet.so is in python-gps 3.4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pyshared/python2.7/gps/../../../python2.7/dist-packages/gps/packet.so
/usr/lib/pyshared/python2.7/gps/../../../python2.7/dist-packages/gps/packet.so