devtools-request: transmit the headers keyword argument to the request class Otherwise the headers kwargs end up in the form. This is very useful for testing publish logic related to http header (as cache).

# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s schema"""