code: def teardown_method(self):
      # Remove any new modules imported during the test run. This lets us
      # import the same source files for more than one test.
      for mod in [m for m in sys.modules if m not in self.old_modules]:
          del sys.modules[mod]
  
imports: from __future__ import annotations
  import os
  import sys
  import tempfile
  from unittest import mock
  from unittest.mock import MagicMock, call, patch
  import pytest
  from airflow.exceptions import AirflowClusterPolicyViolation, AirflowConfigException
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 2 for calling the TestLocalSettings obj's underlying member method code with example usage: obj.teardown_method() without return types