def __init__(self, port=None, channel=channel, **kwargs):
        super(Node, self).__init__(channel=channel, **kwargs)

        if port is not None:
            self.server = Server(
                port, channel=channel, **kwargs).register(self)
        else:
            self.server = None
Start node system.
dataset/ETHPy150Open circuits/circuits/circuits/node/node.py/Node.__init__