/usr/lib/python2.7/dist-packages/Cheetah/NameMapper.py is in python-cheetah 2.4.4-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/Cheetah/../../../../share/pyshared/Cheetah/NameMapper.py