code: def forward(self, x):
      return dummy_fn(x)
  
imports: import math
  import unittest
  import torch
  from torch._dynamo.test_case import run_tests, TestCase
  from torch._inductor import config
  from torch.testing._internal.inductor_utils import HAS_CPU
label_desc: Use image node_id 1 for calling the DummyModule obj's underlying member method code with example usage: obj.forward(x) and returns: dummy_fn