remove unused dependency

[gadfort]

Summary by CodeRabbit

• Chores
  • Streamlined the Python test workflow by removing the separate Graphviz installation step.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: 02262641-2580-4fe9-b996-055b43521d9c

📥 Commits

Reviewing files that changed from the base of the PR and between a7cc51e and e4b40ec.

📒 Files selected for processing (1)

• .github/workflows/tests.yml

💤 Files with no reviewable changes (1)

• .github/workflows/tests.yml

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The Python test job no longer runs the step that updates apt or installs Graphviz. Other workflow steps remain unchanged.

Changes

CI dependency removal

Layer / File(s)	Summary
Remove Graphviz installation .github/workflows/tests.yml	The Python test job removes the sudo apt-get update and sudo apt-get install graphviz commands.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to e4b40

Removing Graphviz installation does not affect the configured Python build or test path, so the change is ready to merge.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: removing the unused Graphviz dependency installation from the CI workflow.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch rm-graphviz

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