code: def test_float(self):
      def float_test(x: Any):
          assert torch.jit.isinstance(x, float)
          assert not torch.jit.isinstance(x, int)
  
      x = 1.0
      self.checkScript(float_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 2 for calling the TestIsinstance obj's underlying member method code with example usage: obj.test_float() without return types