docs: def verify_state(self):
          """ Verify if session was not yet opened. If it is, open it and call
          connections C{connectionMade} """
          # If we're in CONNECTING state - send 'o' message to the client
          if self.state == SESSION_STATE.CONNECTING:
              self.handler.send_pack(proto.CONNECT)
  
          # Call parent implementation
          super(Session, self).verify_state()