code: def __call__(self, engine: Engine) -> None:
      self.iteration_completed()
  
file_path: MONAILabel/monailabel/tasks/train/handler.py
imports: import datetime
  import filecmp
  import json
  import logging
  import os
  import shutil
  import time
  from typing import Any, Dict
  import torch
  from monai.engines.workflow import Engine, Events
label_desc: Use image node_id 4 for calling the PublishStatsAndModel obj's underlying member method code with example usage: obj.__call__(engine) without return types