---
description: Explore the HUBTrainingSession class for managing Ultralytics YOLO model training, heartbeats, and checkpointing.
keywords: Ultralytics, YOLO, HUBTrainingSession, model training, heartbeats, checkpointing, Python
---

# Reference for `ultralytics/hub/session.py`

!!! note

    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/hub/session.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/hub/session.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/hub/session.py) 🛠️. Thank you 🙏!

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## ::: ultralytics.hub.session.HUBTrainingSession

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