code: def attach(self, engine: Engine) -> None:
      engine.add_event_handler(
          Events.EPOCH_COMPLETED(every=self.interval), self, "epoch"
      )
  
file_path: MONAILabel/monailabel/deepedit/handlers.py
imports: import logging
  from typing import TYPE_CHECKING, Any, Callable, Dict, Optional
  import numpy
  import torch
  from monai.config import IgniteInfo
  from monai.utils import min_version, optional_import
  from monai.visualize import plot_2d_or_3d_image
  from torch import distributed
  from torchvision.utils import make_grid
label_desc: Use image node_id 2 for calling the TensorBoard2DImageHandler obj's underlying member method code with example usage: obj.attach(engine) without return types