/usr/lib/python2.7/dist-packages/xstatic/pkg/jquery_ui/data/jquery-ui.js is in python-xstatic-jquery-ui 1.10.1.1+debian+dfsg1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/xstatic/pkg/jquery_ui/data/../../../../../../../share/javascript/jquery-ui/jquery-ui.js