/usr/lib/python2.7/dist-packages/python_ironicclient-2.2.0.egg-info/requires.txt is in python-ironicclient 2.2.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | [cli]
python-openstackclient>=3.12.0
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