def __init__(self, socket: zmq.Socket, stream, pt_print):
self.socket = socket
socket.setsockopt(zmq.SUBSCRIBE, b"") # Listen to everything
self.stream = stream
threading.Thread.__init__(self)
self.daemon = True
self.sync_condition = threading.Condition()
self.last_sync_seq = -1
self.pt_print = pt_print
