/usr/lib/python2.7/dist-packages/carquinyol/optimizer.py is in python-carquinyol-0.88 0.88.0-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/carquinyol/../../../../share/pyshared/carquinyol/optimizer.py