code: def setup_class(cls) -> None:
      from airflow import settings
  
      settings.configure_orm()
  
imports: from __future__ import annotations
  import hashlib
  import re
  import runpy
  import sys
  from datetime import timedelta
  from unittest import mock
  import pytest
  from werkzeug.routing import Rule
  from werkzeug.test import create_environ
  from werkzeug.wrappers import Response
  from airflow.exceptions import AirflowConfigException
  from airflow.www import app
  from tests.test_utils.config import conf_vars
  from tests.test_utils.decorators import dont_initialize_flask_app_submodules
label_desc: Use image node_id 1 for calling the TestApp obj's underlying member method code with example usage: obj.setup_class(cls) without return types