code: def test_setattr_strict(self, functional_call):
      class Bar(torch.nn.Module):
          def __init__(self):
              super().__init__()
              assert not hasattr(self, "extra")
  
          def forward(self, x):
              return x + self.extra
  
      a = {"extra": torch.zeros(())}
      mod = Bar()
      self.assertTrue(not hasattr(mod, "extra"))
      out = functional_call(mod, a, torch.ones(()))
      self.assertEqual(out, torch.ones(()))
      self.assertTrue(not hasattr(mod, "extra"))
  
      a = {"extra": torch.zeros(())}
      with self.assertRaisesRegex(
          RuntimeError,
          re.escape("Unexpected key(s): 'extra'."),
      ):
          out = functional_call(mod, a, torch.ones(()), strict=True)
      self.assertTrue(not hasattr(mod, "extra"))
  
      a = {}
      with self.assertRaisesRegex(
          AttributeError,
          re.escape("'Bar' object has no attribute 'extra'"),
      ):
          out = functional_call(mod, a, torch.ones(()))
      self.assertTrue(not hasattr(mod, "extra"))
  
      a = {}
      with self.assertRaisesRegex(
          AttributeError,
          re.escape("'Bar' object has no attribute 'extra'"),
      ):
          out = functional_call(mod, a, torch.ones(()), strict=True)
      self.assertTrue(not hasattr(mod, "extra"))
  
imports: import contextlib
  import os
  import re
  import subprocess
  import sys
  import unittest
  import torch
  import torch.nn.utils.stateless
  from torch.testing._internal.common_cuda import TEST_MULTIGPU
  from torch.testing._internal.common_utils import run_tests, TestCase, parametrize, instantiate_parametrized_tests, subtest
label_desc: Use image node_id 23 for calling the TestStatelessFunctionalAPI obj's underlying member method code with example usage: obj.test_setattr_strict(functional_call) and returns: unknown