Reference for ultralytics/utils/callbacks/hub.py

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This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/hub.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/hub.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing) — thank you! 🙏

::: ultralytics.utils.callbacks.hub.on_pretrain_routine_start

::: ultralytics.utils.callbacks.hub.on_pretrain_routine_end

::: ultralytics.utils.callbacks.hub.on_fit_epoch_end

::: ultralytics.utils.callbacks.hub.on_model_save

::: ultralytics.utils.callbacks.hub.on_train_end