code: def test_no_types_passthrough(self):
      class NoTypes(Typing):
          @typecheck()
          def __call__(self, x):
              return torch.tensor(1.0)
  
      obj = NoTypes()
      result = obj(torch.tensor(1.0))
  
      assert result == torch.tensor(1.0)
      assert not hasattr(result, "neural_type")
  
imports: from typing import List, NamedTuple
  import pytest
  import torch
  from nemo.core import Typing, typecheck
  from nemo.core.neural_types import *
label_desc: Use image node_id 1 for calling the TestNeuralTypeCheckSystem obj's underlying member method code with example usage: obj.test_no_types_passthrough() and returns: torch