/usr/lib/python2.7/dist-packages/swift-2.17.0.egg-info/requires.txt is in python-swift 2.17.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [kms_keymaster]
castellan>=0.13.0
oslo.config!=4.3.0,!=4.4.0,>=4.0.0
|