code: def __init__(self, socket, io_loop=None):
      io_loop = io_loop or IOLoop.instance()
      super().__init__(socket, io_loop=io_loop)
  
imports: from zmq.eventloop import zmqstream
  from zmq.green.eventloop.ioloop import IOLoop
label_desc: Use image node_id 1 to create a new ZMQStream object from inherited base classes: zmqstream with example: obj = ZMQStream(socket, io_loop)