code: def test_dict(self):
      def dict_str_int_test(x: Any):
          assert torch.jit.isinstance(x, Dict[str, int])
          assert not torch.jit.isinstance(x, Dict[int, str])
          assert not torch.jit.isinstance(x, Dict[str, str])
  
      x = {"a": 1, "b": 2}
      self.checkScript(dict_str_int_test, (x,))
  
imports: import os
  import sys
  import torch
  import warnings
  from typing import List, Any, Dict, Tuple, Optional
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 6 for calling the TestIsinstance obj's underlying member method code with example usage: obj.test_dict() without return types