code: def on_epoch_end(self, last_metrics:MetricsList, iteration:int, **kwargs)->None:
          "Callback function that writes epoch end appropriate data to Tensorboard."
          self._write_metrics(iteration=iteration, last_metrics=last_metricsf on_epoch_end(self, last_metrics:MetricsList, iteration:int, **kwargs)->None:
          "Callback function that writes epoch end appropriate data to Tensorboard."
          self._write_metrics(iteration=iteration, last_metrics=last_metrics)
docs: Callback function that writes epoch end appropriate data to Tensorboard.