/usr/share/doc/pybik/changelog.Debian.gz is in pybik 2.1-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/pybik/../pybik-bin/changelog.Debian.gz
/usr/share/doc/pybik/../pybik-bin/changelog.Debian.gz