/usr/lib/python2.7/dist-packages/lazr/restful/example/base/tests/service.txt is in python-lazr.restful 0.19.3-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/lazr/restful/example/base/tests/../../../../../../../../share/pyshared/lazr/restful/example/base/tests/service.txt