code: def start(self):
          
          self.running = True
          self.attempt_connection()
          receiver_thread = self.create_thread_fc(self.__receiver_loop)
          receiver_thread.name = "StompReceiver%s" % getattr(receiver_thread, "name", "Thread")
          self.notify('connecting')
docs: Start the connection. This should be called after all
          listeners have been registered. If this method is not called,
          no frames will be received by the connection.