/usr/lib/python2.7/dist-packages/pyasn1-0.0.11a.egg-info/SOURCES.txt is in python-pyasn1 0.0.11a-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/pyasn1-0.0.11a.egg-info/../../../../share/pyshared/pyasn1-0.0.11a.egg-info/SOURCES.txt