code: def collate(self, batch):
      res = {}
      sample = batch[0]
      for key in self.no_collation_keys:
          if key not in sample:
              continue
          res[key] = [s.pop(key) for s in batch]
      res.update(default_collate_fn(batch))
      return res
  
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 5 for calling the PanopticDataset obj's underlying member method code with example usage: obj.collate(batch) and returns: res