/usr/lib/python2.6/dist-packages/mako/ast.py is in python-mako 0.7.0-1.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/mako/../../../../share/pyshared/mako/ast.py
/usr/lib/python2.6/dist-packages/mako/../../../../share/pyshared/mako/ast.py