/usr/share/doc/python-wxgtk2.8-dbg/changelog.Debian.gz is in python-wxgtk2.8-dbg 2.8.12.1+dfsg-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-wxgtk2.8-dbg/../libwxbase2.8-0/changelog.Debian.gz