/usr/lib/python2.7/dist-packages/sugar/graphics/palettegroup.py is in python-sugar-toolkit-0.84 0.84.17-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/sugar/graphics/../../../../../share/pyshared/sugar/graphics/palettegroup.py