Upgrade PyTorch Lightning from 1.9.5 to 2.5.1#22
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samuelstanton merged 5 commits intomainfrom Apr 4, 2025
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Pull Request Overview
This PR upgrades the project from PyTorch Lightning 1.9.5 to 2.5.1 by updating API usage and import paths.
- Updated import of CombinedLoader and removal of deprecated Lightning hooks
- Replaced training_epoch_end/validation_epoch_end with on_train_epoch_end/on_validation_epoch_end and added manual accumulation of step outputs
- Updated the trainer initialization to use the new ckpt_path parameter
Reviewed Changes
Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| cortex/model/tree/_seq_model_tree.py | Updated import and hook methods; added manual step output accumulation |
| cortex/cmdline/train_cortex_model.py | Updated checkpoint loading parameter to use ckpt_path |
Files not reviewed (1)
- requirements.in: Language not supported
kleinhenz
reviewed
Apr 3, 2025
This commit implements the following changes: - Update imports from pytorch_lightning to lightning.pytorch - Replace deprecated CombinedLoader import path - Change *_epoch_end hooks to on_*_epoch_end hooks - Add step output collection for epoch-end processing - Update trainer.fit() to use ckpt_path - Update requirements.in to use lightning>=2.5.1,<2.6 - Remove pytorch-lightning package dependency
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This PR upgrades the project from PyTorch Lightning 1.9.5 to 2.5.1. It implements necessary API changes including
The requirements have been updated to specify lightning>=2.0