After adding rst to plugins, ikiwiki --setup fails:

Traceback (most recent call last):
  File "/usr/lib/ikiwiki/plugins/rst", line 93, in <module>
    handler = SimpleStdinOutXMLRPCHandler()
  File "/usr/lib/ikiwiki/plugins/rst", line 65, in __init__
    SimpleXMLRPCDispatcher.__init__(self)
TypeError: __init__() takes exactly 3 arguments (1 given)

This is ikiwiki version 2.40 and SimpleXMLRPCServer.py from python-2.5

done