code: def test_load_from_local_dir(self):
      local_dir = hub._get_cache_or_reload(
          "ailzhang/torchhub_example",
          force_reload=False,
          trust_repo=True,
          calling_fn=None,
      )
      hub_model = hub.load(
          local_dir,
          "mnist",
          source="local",
          pretrained=True,
          verbose=False,
      )
      self.assertEqual(
          sum_of_state_dict(hub_model.state_dict()), SUM_OF_HUB_EXAMPLE
      )
  
imports: import unittest
  from unittest.mock import patch
  import os
  import tempfile
  import warnings
  import torch
  import torch.hub
  from torch.testing._internal.common_utils import retry, IS_SANDCASTLE, TestCase
label_desc: Use image node_id 6 for calling the TestHub obj's underlying member method code with example usage: obj.test_load_from_local_dir() without return types