code: def _on_epoch_begin_write(self, epoch_number: int, logs: Dict):
      pass
  
imports: import csv
  import os
  from typing import Dict, Optional, TextIO
  from poutyne.framework.callbacks._utils import atomic_lambda_save
  from poutyne.framework.callbacks.callbacks import Callback
label_desc: Use image node_id 7 for calling the Logger obj's underlying member method code with example usage: obj._on_epoch_begin_write(epoch_number, logs) without return types