/usr/share/doc/python-libsmraw/changelog.Debian.gz is in python-libsmraw 20180123-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-libsmraw/../libsmraw1/changelog.Debian.gz
/usr/share/doc/python-libsmraw/../libsmraw1/changelog.Debian.gz