code: def forward(self, x):
      x = self.relu(self.a(x))
      x = torch.sigmoid(self.b(x))
      return x
  
imports: import torch
  from torch import _dynamo, _inductor
  from torch._dynamo.test_case import run_tests, TestCase
  from torch._inductor.utils import gen_gm_and_inputs
  from torch.fx import symbolic_trace
  from torch.fx.experimental.proxy_tensor import make_fx
  from torch.testing._internal.inductor_utils import HAS_CPU
label_desc: Use image node_id 2 for calling the MyModule obj's underlying member method code with example usage: obj.forward(x) and returns: x