code: def test_setdefault(self):
      d = self._empty_mapping()
      self.assertRaises(TypeError, d.setdefault)
  
imports: import copy
  import gc
  import random
  import threading
  import unittest
  import torch
  from torch.testing._internal.common_utils import find_library_location, IS_FBCODE, IS_MACOS, IS_SANDCASTLE, IS_WINDOWS, run_tests, TestCase
  from torch.utils.weak import _WeakHashRef, WeakIdKeyDictionary
label_desc: Use image node_id 16 for calling the WeakKeyDictionaryTestCase obj's underlying member method code with example usage: obj.test_setdefault() without return types