/usr/share/doc/python-django-polymorphic-doc/html/_static/fonts/fontawesome-webfont.eot is in python-django-polymorphic-doc 2.0.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-django-polymorphic-doc/html/_static/fonts/../../../../../sphinx_rtd_theme/static/fonts/fontawesome-webfont.eot