/usr/share/doc/python-cement-doc/html/_static/fonts/Lato-Bold.ttf is in python-cement-doc 2.10.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-cement-doc/html/_static/fonts/../../../../../sphinx_rtd_theme/static/fonts/Lato-Bold.ttf