/usr/lib/python2.7/dist-packages/GalleryRemote-0.6dev.egg-info/SOURCES.txt is in python-galleryremote 0.6-1.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/GalleryRemote-0.6dev.egg-info/../../../../share/pyshared/GalleryRemote-0.6dev.egg-info/SOURCES.txt