def GetResults(self):
    if self._stack is not None:
      raise yaml_errors.InternalError('Builder stack is not empty.')
    return tuple(self._results)
Override this method to cleanup subprocesses when a task instance
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/yaml_builder.py/BuilderHandler.GetResults--crossover with--dataset/ETHPy150Open airbnb/airflow/airflow/models.py/BaseOperator.on_kill