code: def test_python_function_attribute(self):
      class M(torch.nn.Module):
          def __init__(self, fn):
              super().__init__()
              self.fn = fn
  
          def forward(self, x):
              return self.fn(x)
  
      mod = M(torch.sigmoid)
  
      self.checkModule(mod, (torch.randn(2, 2),))
  
imports: import os
  import re
  import sys
  import types
  import typing
  import typing_extensions
  from typing import List, Dict, Optional, Tuple
  import torch
  import torch.jit.frontend
  import torch.nn
  from torch import Tensor
  from torch.testing import FileCheck
  from collections import OrderedDict
  from torch.testing._internal.jit_utils import JitTestCase, _tmp_donotuse_dont_inline_everything
label_desc: Use image node_id 3 for calling the TestRecursiveScript obj's underlying member method code with example usage: obj.test_python_function_attribute() and returns: self