/usr/lib/python2.7/dist-packages/irgenerator/core/__init__.py is in installation-report-generator 0.2.3-0ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/irgenerator/core/../../../../../share/pyshared/irgenerator/core/__init__.py