/usr/lib/python3/dist-packages/paste/evalexception/media/MochiKit.packed.js is in python3-paste 1.7.5.1-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python3/dist-packages/paste/evalexception/media/../../../../../../share/javascript/mochikit/MochiKit.js