code: def forward(self, x):
      return self.conv(x)
  
file_path: nni/test/algo/nas/oneshot/test_profiler.py
imports: import pytest
  import torch
  from torch.nn import Conv2d
  from nni.nas.nn import ModelSpace, LayerChoice
  from nni.nas.oneshot.pytorch.profiler import RangeProfilerFilter, ExpectationProfilerPenalty, SampleProfilerPenalty
  from nni.nas.profiler.pytorch.flops import FlopsProfiler
label_desc: Use image node_id 2 for calling the Net obj's underlying member method code with example usage: obj.forward(x) and returns: self