def __init__(self, args):
super().__init__(args)
self.error_msg = QErrorMessage()
self.ipcon = IPConnection()
signal.signal(signal.SIGINT, self.exit_demo)
signal.signal(signal.SIGTERM, self.exit_demo)
timer = QTimer(self)
timer.setSingleShot(True)
timer.timeout.connect(self.connect)
timer.start(1)
