code: def forward(self, x):
      out = self.layers(x)
      if self.skip == "identity":
          out = out + x
      return out
  
imports: from nni.retiarii import basic_unit
  import nni.retiarii.nn.pytorch
  import warnings
  import torch
  import torch.nn
  import torch.nn.functional
  from nni.retiarii import model_wrapper
  import sys
  from pathlib import Path
label_desc: Use image node_id 2 for calling the MobileConv obj's underlying member method code with example usage: obj.forward(x) and returns: out