code: def convert_id_for_train(cls, id_):
      return id_
  
imports: import json
  import copy
  import os
  import numpy
  import paddle
  from paddleseg.transforms import Compose
  from paddlepanseg.cvlibs import build_info_dict
label_desc: Use image node_id 7 for calling the PanopticDataset obj's underlying member method code with example usage: obj.convert_id_for_train(cls, id_) and returns: id_