code: def forward(self, x):
      x = self.conv1(x)
      x = self.features(x)
      x = x.mean(3).mean(2)  # global average pooling
  
      x = self.classifier(x)
      return x
  
file_path: nni/test/ut/sdk/models/pytorch_models/mobilenet.py
imports: import torch.nn
  import math
label_desc: Use image node_id 2 for calling the MobileNet obj's underlying member method code with example usage: obj.forward(x) and returns: x