/usr/share/doc/python-egenix-mxdatetime/README.Debian is in python-egenix-mxdatetime 3.2.9-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-egenix-mxdatetime/../python-egenix-mxtools/README.Debian