Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/pymsn/service/SOAPService.py", line 198, in _response_handler
    handler(callback, errback, response, user_data)
  File "/usr/lib/python2.4/site-packages/pymsn/service/AddressBook/ab.py", line 265, in _HandleABContactAddResponse
    callback[0](response.text, *callback[1:])
TypeError: __contact_add_callback() takes exactly 3 arguments (2 given)