fritzy/SleekXMPP — pull request #271 by louiz (2013-12-19 10:49:33+00:00)
Title: Use strings for ElementTree.iterparse events names

Because if cElementTree is not available on the system,
ElementTree is used instead, and that version doesn't accept
bytes, resulting in an exception. See
http://bugs.python.org/issue9257#msg152864