Fix CI deprication warning for HTMLParser convert_charrefs under py3. /home/travis/build/roundup-tracker/roundup/roundup/dehtml.py:81: DeprecationWarning: The value of convert_charrefs will become True in 3.5. You are encouraged to set the value explicitly. parser = DumbHTMLParser()

try:
    # Python 3+.
    from xmlrpc import client, server
    server.SimpleXMLRPCDispatcher
except (ImportError, AttributeError):
    # Python 2.
    import xmlrpclib as client
    import SimpleXMLRPCServer as server