## _log_scalars --- ### ::: ultralytics.utils.callbacks.tensorboard._log_scalars

## on_pretrain_routine_start --- ### ::: ultralytics.utils.callbacks.tensorboard.on_pretrain_routine_start

## on_batch_end --- ### ::: ultralytics.utils.callbacks.tensorboard.on_batch_end

## on_fit_epoch_end --- ### ::: ultralytics.utils.callbacks.tensorboard.on_fit_epoch_end