code: def __init__(self):
      self._logger = create_logger()
      self._train_epoch_start_time = None
      self._val_epoch_start_time = None
      self._test_epoch_start_time = None
  
imports: import logging
  import math
  import os
  import sys
  import time
  from typing import Any, Dict, Optional
  import torch
  from torch_geometric.graphgym import register
  from torch_geometric.graphgym.config import cfg
  from torch_geometric.graphgym.imports import Callback, pl
  from torch_geometric.graphgym.utils.device import get_current_gpu_usage
  from torch_geometric.graphgym.utils.io import dict_to_json, dict_to_tb
label_desc: Use image node_id 1 to create a new LoggerCallback object from inherited base classes: Callback with example: obj = LoggerCallback()