/usr/lib/python2.7/dist-packages/fltk/test/button.py is in python-fltk 1.3.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/fltk/test/../../../../../share/pyshared/fltk/test/button.py