[sufikaur]

This pull request makes a minor update to the .pre-commit-config.yaml file, pinning the nbstripout pre-commit hook to version 0.9.1 instead of using the master branch. This change improves reproducibility and stability for pre-commit checks.

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📚 Documentation preview 📚: https://idaes-examples--177.org.readthedocs.build/en/177/

[ksbeattie]

LGTM, though I'd also like to have another review here.

[Copilot]

🟡 Changes recommended

The change incorrectly labels entropy predictions as flow_mol and modifies only a generated notebook, leaving the source unchanged and causing regeneration to discard the fix.

2 open issues

• Preserve property names when assigning surrogate output columns · New
• Update source notebook before regenerating derived notebooks · New

What changed in this PR

This PR updates column assignment in the supercritical CO₂ Keras training test notebook for pandas compatibility and pins a pre-commit hook for reproducible checks.

Changes:

• Replaces mutation of columns.values with assignment to csv_data.columns, while also changing three column labels.
• Pins nbstripout to 0.9.1 instead of master.

File	Description
idaes_examples/​notebooks/​docs/​surrogates/​sco2/​omlt/​keras_training_test.ipynb	Updates column assignment syntax and labels in the generated test notebook.
.pre-commit-config.yaml	Pins the notebook output-stripping hook to a fixed release.

_{Review effort: Balanced}