[Zope-Moz] xml-rpc problem

[Qingjuan Guan]

Hi all,
I am a starter for the Zope stuff.  Right now I am trying to figure out how 
the xml-rpc work here is the example I have tried but doesn't seem quite get 
it, could somebody tell me what I did wrong with this?

import xmlrpclib

def getStateName(self):
  "Returns a state name given an integer state number"
  server_url="http://betty.userland.com"
  server=xmlrpclib.Server(server_url)
  return server.example.getStateName(41)

I know the return value from the server should be good.  The error message 
from python seems point the finger to the parse_response function in 
xmlrpclib.py.  I am not quite familiar with python, could somebody point out 
what causing the problem here?  Or, if I want some more info about this 
xml-rpc stuff, where can I found more examples?

Thanks.
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