code: def task_to_task_address_check_completed(self):
      resp = self._send(
          TaskToTaskAddressCheckFinishedSignal(self.index)
      )
      return resp.index
  
file_path: bluefog/bluefog/run/horovodrun/task/task_service.py
imports: from bluefog.run.horovodrun.common.service import task_service
label_desc: Use image node_id 2 for calling the HorovodRunTaskClient obj's underlying member method code with example usage: obj.task_to_task_address_check_completed() and returns: resp