/usr/share/doc/python-cvxopt-doc/html/_static/fonts/Inconsolata-Bold.ttf is in python-cvxopt-doc 1.1.9+dfsg-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-cvxopt-doc/html/_static/fonts/../../../../../sphinx_rtd_theme/static/fonts/Inconsolata-Bold.ttf