code: def collate_dataset_output(batch):
      """Collate function that treats the `DatasetOutput` class correctly."""
      if isinstance(batch[0], DatasetOutput):
          # `default_collate` returns a dict for older versions of PyTorch.
          return DatasetOutput(**default_collate(batch))
      else:
          return default_collate(batch)
  
file_path: benchmark_VAE/src/pythae/data/datasets.py
imports: from collections import OrderedDict
  from typing import Any, Tuple
  import torch
  from torch.utils.data import Dataset
  from torch.utils.data._utils.collate import default_collate
label_desc: Use image node_id 1 for calling a global function with example usage: collate_dataset_output(batch) and returns: DatasetOutput, default_collate