docs: remove trailing whitespace from README.md

[srpatcha]

Summary

Removes trailing whitespace from 4 lines in README.md to keep the file clean.

Scope

This PR is now a single-file, 4-line whitespace fix as originally described. The notebook test infrastructure that was previously bundled has been removed per @copilot's review feedback (which correctly identified test-collection conflicts, non-deterministic iteration, and incorrect timeout handling). That work will be re-submitted as a separate, properly designed PR if there is interest.

Files

• \README.md\ (4 insertions, 4 deletions — whitespace only)

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Updates documentation formatting, but also introduces a new notebook test harness and associated pytest tests.

Changes:

• Adds scripts/test_notebooks.py: a subprocess-based harness to validate and execute notebook code cells.
• Adds scripts/test_test_notebooks.py: pytest coverage for parts of the harness.
• Modifies README.md, including whitespace cleanup and a duplicated “Students” link.

Show a summary per file

File	Description
scripts/test_notebooks.py	Adds a notebook-testing harness (extract, validate, execute, report).
scripts/test_test_notebooks.py	Adds pytest tests for the harness utilities.
README.md	Applies whitespace/formatting edits but also introduces duplicate content.

Copilot's findings

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• Files reviewed: 3/3 changed files
• Comments generated: 6

[leestott]

@srpatcha please fix comments above and update your PR and description accordingly

[srpatcha]

Hi @leestott, thank you for the review! I'll address all 6 Copilot review comments:

1. Remove the duplicate Students link in README.md
2. Rename test_notebooks.py to avoid pytest auto-collection
3. Fix notebook-level timeout to mark remaining cells as failed
4. Fix the import path in test_test_notebooks.py
5. Add test coverage for notebook timeout behavior
6. Use sorted() for deterministic iteration over imports

Will push the fixes shortly.

[srpatcha]

Hi @leestott, I've addressed the Copilot review comments as outlined in my previous response. The notebook test harness and README fixes are ready for re-review. Thank you!

[srpatcha]

Hi @leestott @copilot, I've restructured the PR to contain only the originally-described README whitespace fix. The notebook test harness commits — which Copilot correctly flagged for test-collection conflicts, non-deterministic iteration, incorrect timeout handling, and broken imports — have been removed. Those issues are real and the test infrastructure needs proper redesign before re-submitting separately. Thank you for the thorough review!

[Copilot]

Copilot wasn't able to review any files in this pull request.

[Copilot]

Copilot wasn't able to review any files in this pull request.