code: def test_subscript_tuple(self, arg_len: int) -> None:
      arg_tup = (Any,) * arg_len
      if arg_len == 1:
          assert np.dtype[arg_tup]
      else:
          with pytest.raises(TypeError):
              np.dtype[arg_tup]
  
imports: import functools
  import operator
  import pickle
  import sys
  import types
  from itertools import permutations
  from typing import Any
  from unittest import skipIf
  import pytest
  from pytest import raises
  from torch.testing._internal.common_utils import instantiate_parametrized_tests, parametrize, run_tests, subtest, TEST_WITH_TORCHDYNAMO, TestCase, xpassIfTorchDynamo
  import numpy
label_desc: Use image node_id 3 for calling the TestClassGetItem obj's underlying member method code with example usage: obj.test_subscript_tuple(arg_len) without return types