code: def forward(self, x):
      return self.op(x)
  
imports: from typing import Callable, Dict
  import torch
  import torch.nn
  from nni.nas.nn.pytorch import ModelSpace
  from .modules.nasbench201 import NasBench201Cell
label_desc: Use image node_id 2 for calling the SepConv obj's underlying member method code with example usage: obj.forward(x) and returns: self