/usr/lib/python2.6/dist-packages/uwsgidecorators.py is in python-uwsgidecorators 1.2.3+dfsg-5+deb7u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/../../../share/pyshared/uwsgidecorators.py