code: def __init__(self, *args, **kwargs):
      self.stdout = MockStdOut(*args, **kwargs)
  
imports: from __future__ import annotations
  from datetime import datetime
  from unittest.mock import MagicMock
  from airflow.models.dag import DAG
  from airflow.providers.apache.hive.hooks.hive import HiveCliHook, HiveMetastoreHook, HiveServer2Hook
  from airflow.providers.mysql.hooks.mysql import MySqlHook
label_desc: Use image node_id 1 to create a new MockSubProcess object  with example: obj = MockSubProcess()