lllyasviel / lllyasviel/ControlNet
tutorial_train.py does not produce checkpoints
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Description
When running the `tutorial_train.py` script, it creates logs at `lightning_logs`. However, the `lightning_logs\version_X\checkpoints` folders are all empty:

Is this intended behaviour, or is there a bug preventing the checkpoints from saving?
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Run tutorial_train.py and inspect the generated lightning_logs/version_X/checkpoints directories to reproduce the empty-checkpoint behavior. Trace the training entry point and determine whether checkpoints are expected to be saved; done means confirming the intended behavior or making the script produce the expected checkpoints.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- machine-learning
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100