code: def data_row_collate_fn(batch):
      assert isinstance(batch[0], BaseDataRow)
  
imports: import numpy
  from typing import NamedTuple, Mapping, Dict
  from enum import Enum
  from dataclasses import dataclass
  import torch
  import torch.utils.data.dataloader
  from jiant.utils.python.datastructures import ExtendedDataClassMixin, combine_dicts
label_desc: Use image node_id 1 for calling a global function with example usage: data_row_collate_fn(batch) without return types