code: def on_train_batch_end(self, batch_number: int, logs: Dict):
      logs = logs or {}
      for callback in self.callbacks:
          callback.on_train_batch_end(batch_number, logs)
  
imports: from typing import Dict, Sequence
label_desc: Use image node_id 8 for calling the CallbackList obj's underlying member method code with example usage: obj.on_train_batch_end(batch_number, logs) without return types