From a Trac ticket [0]:
In Debian, we like to have the sources of everything that we ship and we
consider that minified javascript files are not really scripts (which
are their own source).
There are currently two problematic files in Django:
js_tests/qunit/blanket.min.js
django/contrib/admin/static/admin/js/vendor/xregexp/xregexp.min.js
To remedy this I would suggest to either: