Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/papyon/service/SOAPService.py", line 230, in _response_handler
    handler(callback, errback, response, user_data)
  File "/usr/lib/python2.7/dist-packages/papyon/service/AddressBook/ab.py", line 202, in _HandleABFindAllResponse
    last_changes = response[0].find("./ab:lastChange")
AttributeError: 'NoneType' object has no attribute 'find'