code: def mobilenet_v2(pretrained=True):
      model = MobileNetV2(width_mult=1)
  
      if pretrained:
          state_dict = load_url(
              "https://www.dropbox.com/s/47tyzpofuuyyv1b/mobilenetv2_1.0-f2a8633.pth.tar?dl=1",
              progress=True,
          )
          model.load_state_dict(state_dict)
      return model
  
file_path: towhee/towhee/models/tsm/mobilenet_v2.py
imports: import math
  import numpy
  from torch import nn
  from torch.utils.model_zoo import load_url
label_desc: Use image node_id 4 for calling a global function with example usage: mobilenet_v2(pretrained) and returns: model