def __init__(self, recipient=None, sender=None, invitee=None, reason=None):
    xmppim.Message.__init__(self, recipient, sender)
    self.invitee = invitee
    self.reason = reason
def __init__(self, recipient=None, sender=None, invitee=None, reason=None):
    xmppim.Message.__init__(self, recipient, sender)
    self.invitee = invitee
    self.reason = reason