code: def test_get_loader_handles_missing_loader_attribute(self):
      global __loader__
      this_loader = __loader__
      del __loader__
      try:
          self.assertIsNotNone(pkgutil.get_loader(__name__))
      finally:
          __loader__ = this_loader
  
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 1 for calling the ImportlibMigrationTests obj's underlying member method code with example usage: obj.test_get_loader_handles_missing_loader_attribute() without return types