Upload HPC notebook again

[jan-janssen]

Summary by CodeRabbit

• Refactor
  • Streamlined notebook structure for a more intuitive metadata display.
  • Updated kernel information to show "Flux" and enhanced the Python version to 3.12.9.

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Walkthrough

This pull request updates the JSON representation of the Jupyter notebook at notebooks/2-hpc-cluster.ipynb. The update removes a raw cell containing a JSON string and incorporates the notebook metadata and cells in a direct structured format. Additionally, the metadata has been revised: the kernelspec display name is changed from "Python 3 (ipykernel)" to "Flux", and the Python version is updated from "3.12.5" to "3.12.9".

Changes

File(s)	Summary
notebooks/2-hpc-cluster.ipynb	Removed a raw JSON cell; restructured the notebook to include direct metadata and cells; updated kernelspec display name ("Python 3" → "Flux") and Python version ("3.12.5" → "3.12.9")

Possibly related PRs

• Explain test environment #612: Involves a replacement of the JSON structure in Jupyter notebooks with updates to the metadata, directly relating to the changes in this PR.
• execute notebooks on mybinder #610: Addresses updates to the kernel specification and metadata in the same notebook file, linking closely to the modifications in this PR.

Poem

I'm a rabbit with hops so neat,
Coding changes that are really sweet.
Removed raw JSON, metadata realigned,
With Flux and Python, our path defined.
Hopping happily in every byte,
Celebrating changes that feel just right!
🐰💻

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📥 Commits

Reviewing files that changed from the base of the PR and between 75181de and c0ef40e.

📒 Files selected for processing (1)

• notebooks/2-hpc-cluster.ipynb (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (15)

• GitHub Check: unittest_mpich (macos-latest, 3.13)
• GitHub Check: benchmark (ubuntu-latest, 3.13, .ci_support/environment-mpich.yml)
• GitHub Check: unittest_mpich (ubuntu-latest, 3.12)
• GitHub Check: benchmark (ubuntu-latest, 3.13, .ci_support/environment-openmpi.yml)
• GitHub Check: unittest_flux_openmpi
• GitHub Check: notebooks
• GitHub Check: unittest_openmpi (ubuntu-latest, 3.12)
• GitHub Check: unittest_win
• GitHub Check: unittest_mpich (ubuntu-latest, 3.13)
• GitHub Check: unittest_openmpi (macos-latest, 3.13)
• GitHub Check: unittest_mpich (ubuntu-latest, 3.11)
• GitHub Check: unittest_openmpi (ubuntu-latest, 3.13)
• GitHub Check: unittest_flux_mpich
• GitHub Check: unittest_openmpi (ubuntu-latest, 3.11)
• GitHub Check: unittest_old

🔇 Additional comments (3)

notebooks/2-hpc-cluster.ipynb (3)

1-1: Metadata Update: Kernelspec and Language Version
The metadata now correctly updates the kernelspec—with "display_name": "Flux" and "name": "flux"—and revises the Python version to "3.12.9". This aligns with the PR objectives and supports the intended environment changes.

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1-1: Notebook Structure Enhancement
The raw cell that previously contained a JSON string has been removed and replaced with a well-structured JSON representation of the notebook. This change improves compatibility with Jupyter environments and reduces potential parsing errors.

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1-1: Execution State Verification Recommendation
While the notebook’s functionality is not impacted by execution counts or trust metadata, please verify that the cell outputs, execution counts, and trust flags remain intentional for your workflow—especially if you plan on re-running the notebook in a different environment.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.40%. Comparing base (75181de) to head (c0ef40e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #614   +/-   ##
=======================================
  Coverage   96.40%   96.40%           
=======================================
  Files          28       28           
  Lines        1252     1252           
=======================================
  Hits         1207     1207           
  Misses         45       45           

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