code: def load_pretrained_weights(self, pretrained_path):
      self.hrnet.load_pretrained_weights(pretrained_path)
  
file_path: carefree-learn/cflearn/api/cv/third_party/iharm/model/backboned/hrnet.py
imports: import torch.nn
  from .ih_model import IHModelWithBackbone
  from ..modifiers import LRMult
  from ..modeling.hrnet_ocr import HighResolutionNet
  from ..modeling.basic_blocks import MaxPoolDownSize
label_desc: Use image node_id 3 for calling the HRNetBB obj's underlying member method code with example usage: obj.load_pretrained_weights(pretrained_path) without return types