id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,branch,branch_author,launchpad_bug
5829,Replace DictMixin in twisted.web.http_headers with MutableMapping,vperic,,"In Python 3, DictMixin is no longer provided and should be replaced with MutableMapping (which is available in Python 2.6+). This involves, at least, defining a ``__len__`` method for the _DictHeaders class.

{{{
./twisted/web/http_headers.py:10:from UserDict import DictMixin
}}}",enhancement,closed,normal,Python-3.x,core,duplicate,,,,,