code: def _model_checkpoint_factory():
      return {"every_n_epoch": 1}
  
imports: import json
  import os
  from dataclasses import asdict, dataclass, field, fields
  from enum import Enum
  import torch
  from typing import Optional, Dict, Any, Union
  from towhee.utils.log import trainer_log
  from towhee.utils.yaml_utils import dump_yaml, load_yaml
label_desc: Use image node_id 7 for calling a global function with example usage: _model_checkpoint_factory() and returns: dict