/usr/lib/python2.7/dist-packages/celery-2.5.3.egg-info/requires.txt is in python-celery 2.5.3-4.
This file is owned by root:root, with mode 0o775.
It is a symlink to /usr/lib/python2.7/dist-packages/celery-2.5.3.egg-info/../../../../share/pyshared/celery-2.5.3.egg-info/requires.txt