code: def test_in_place_operator(self, functional_call):
      class Foo(torch.nn.Module):
          def __init__(self):
              super().__init__()
              self.register_buffer("foo", torch.tensor([0.0]))
  
          def forward(self, x):
              self.foo.add_(1)
              return x + self.foo
  
      foo = torch.tensor([2.0])
      x = torch.randn(1)
      a = {"foo": foo}
      mod = Foo()
      functional_call(mod, a, x)
      self.assertEqual(mod.foo, torch.tensor([0.0]))
      self.assertEqual(a["foo"], torch.tensor([3.0]))
      self.assertEqual(foo, torch.tensor([3.0]))
      self.assertTrue(a["foo"] is foo)
  
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 22 for calling the TestStatelessFunctionalAPI obj's underlying member method code with example usage: obj.test_in_place_operator(functional_call) and returns: unknown