code: def get_backbone_params(self):
      return self.backbone.parameters()
  
imports: import torch
  import logging
  import torch.nn
  import torch.nn.functional
  from torchvision import models
  from itertools import chain
  import numpy
  from collections import OrderedDict
label_desc: Use image node_id 3 for calling the UperNet obj's underlying member method code with example usage: obj.get_backbone_params() and returns: self