code: def start(self):
          '''start running in background.'''
          self.update_device_info()
          self.get_device_status(0) # start addons.
          self.hook()
          self.thread = threading.Thread(target=self._run)
          self.thread.start()
          self.running = Truf start(self):
          '''start running in background.'''
          self.update_device_info()
          self.get_device_status(0) # start addons.
          self.hook()
          self.thread = threading.Thread(target=self._run)
          self.thread.start()
          self.running = True
docs: start running in background.