/usr/lib/python2.7/dist-packages/pytest_xdist-1.4.egg-info/SOURCES.txt is in python-pytest-xdist 1.4-1.1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pytest_xdist-1.4.egg-info/../../../../share/pyshared/pytest_xdist-1.4.egg-info/SOURCES.txt