code: def __exit__(self, exc_type, exc_val, exc_tb):
      torch.clear_autocast_cache = self.old_clear_cache
      return super().__exit__(exc_type, exc_val, exc_tb)
  
imports: import collections
  import unittest
  import torch
  from torch.testing._internal.common_utils import TestCase, run_tests, IS_WINDOWS, skipIfTorchDynamo
  from torch.testing._internal.autocast_test_lists import AutocastCPUTestLists
  from torch.utils._python_dispatch import TorchDispatchMode
label_desc: Use image node_id 4 for calling the WeightDTypeCastCounterMode obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_val, exc_tb) and returns: super