code: def tearDown(self):
      del sys.meta_path[0]
  
imports: from pathlib import Path
  from test.support.import_helper import unload, CleanImport
  from test.support.warnings_helper import check_warnings, ignore_warnings
  import unittest
  import sys
  import importlib
  from importlib.util import spec_from_file_location
  import pkgutil
  import os
  import os.path
  import tempfile
  import shutil
  import zipfile
label_desc: Use image node_id 2 for calling the PkgutilPEP302Tests obj's underlying member method code with example usage: obj.tearDown() without return types