/usr/share/doc/python-h5py-doc/html/_static/underscore.js is in python-h5py-doc 2.7.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-h5py-doc/html/_static/../../../../javascript/sphinxdoc/1.0/underscore.js