code: def forward(self, x):
      x = self.conv(x)
      return self.bn(x)
  
imports: import copy
  import importlib
  import itertools
  import os
  import sys
  import unittest
  import torch
  from torch import nn
  from torch._dynamo.test_case import TestCase
  from torch._dynamo.utils import counters
  from torch._inductor import config
  from torch.testing._internal.common_utils import IS_CI, IS_WINDOWS, TEST_WITH_ASAN
  from torch.testing._internal.inductor_utils import HAS_CPU, HAS_CUDA
  from inductor.test_torchinductor import copy_tests
label_desc: Use image node_id 2 for calling the ConvOp obj's underlying member method code with example usage: obj.forward(x) and returns: self