/usr/lib/python2.7/dist-packages/flake8-2.1.0.egg-info/requires.txt is in python-flake8 2.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | pyflakes >= 0.7.3
pep8 >= 1.4.6
mccabe >= 0.2.1
|