⏪ Re-enable testing on Python 3.14

[burgholzer]

Description

Python 3.14.2 was released as well as a new version of uv that installs it.
This should unblock our CI on Python 3.14

Fixes #860

Checklist:

• The pull request only contains commits that are focused and relevant to this change.
• I have added appropriate tests that cover the new/changed functionality.
• I have updated the documentation to reflect these changes.
• I have added entries to the changelog for any noteworthy additions, changes, fixes, or removals.
• I have added migration instructions to the upgrade guide (if needed).
• The changes follow the project's style guidelines and introduce no new warnings.
• The changes are fully tested and pass the CI checks.
• I have reviewed my own code changes.

[coderabbitai]

📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Added support for Python 3.14 in the testing infrastructure.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

Walkthrough

Python 3.14 has been added to the PYTHON_ALL_VERSIONS list in noxfile.py, re-enabling Python 3.14 testing in nox sessions following resolution of prior breaking changes.

Changes

Cohort / File(s)	Change Summary
Python version configuration noxfile.py	Added Python 3.14 to PYTHON_ALL_VERSIONS list; extended from ["3.10", "3.11", "3.12", "3.13"] to ["3.10", "3.11", "3.12", "3.13", "3.14"]

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• 👷 Enable testing on Python 3.14 qudits#167: Identical change adding "3.14" to PYTHON_ALL_VERSIONS in noxfile.py across repositories
• 👷 Enable testing on Python 3.14 syrec#415: Same configuration update adding Python 3.14 to the noxfile version list
• 👷 Enable testing on Python 3.14 qcec#730: Parallel change enabling Python 3.14 testing by appending to PYTHON_ALL_VERSIONS

Suggested labels

python

Poem

🐰 ✨

Three-fourteen hops into the test,
A rabbit's version quest at best!
The nox files align once more,
Python thrives from shore to shore.

Pre-merge checks and finishing touches

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the primary change—re-enabling Python 3.14 testing in the noxfile by adding 3.14 to PYTHON_ALL_VERSIONS.
Description check	✅ Passed	The description covers the motivation (Python 3.14.2 release and uv update), references the fixed issue (#860), and includes a completed checklist matching the repository template.
Linked Issues check	✅ Passed	The PR directly addresses issue #860 by re-enabling Python 3.14 testing in the noxfile, which was the stated objective after the breaking changes were resolved.
Out of Scope Changes check	✅ Passed	The change is narrowly scoped to adding Python 3.14 to PYTHON_ALL_VERSIONS in noxfile.py, directly aligned with the objective of re-enabling Python 3.14 testing.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch re-enable-3.14

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: ASSERTIVE

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 258c9dc and 709c0ea.

📒 Files selected for processing (1)

• noxfile.py (1 hunks)

🧰 Additional context used

🧠 Learnings (3)

📓 Common learnings

Learnt from: marcelwa
Repo: munich-quantum-toolkit/core PR: 1243
File: test/python/qdmi/qiskit/conftest.py:155-157
Timestamp: 2025-11-04T15:22:19.558Z
Learning: The munich-quantum-toolkit/core repository requires Python 3.10 or later, so Python 3.10+ features (such as `zip(..., strict=...)`, pattern matching, etc.) are acceptable and should not be flagged as compatibility issues.

Learnt from: denialhaag
Repo: munich-quantum-toolkit/core PR: 1246
File: pyproject.toml:340-341
Timestamp: 2025-10-09T22:15:59.924Z
Learning: Qiskit publishes ABI3 wheels (e.g., cp39-abi3) that are forward-compatible with newer Python versions including Python 3.14, so no explicit Python 3.14 wheels are required for qiskit to work on Python 3.14.

Learnt from: denialhaag
Repo: munich-quantum-toolkit/predictor PR: 488
File: pyproject.toml:44-47
Timestamp: 2025-10-13T22:51:24.298Z
Learning: numpy 2.3.2 is the first NumPy version that supports Python 3.14, released on July 24, 2025.

Learnt from: denialhaag
Repo: munich-quantum-toolkit/debugger PR: 160
File: pyproject.toml:54-54
Timestamp: 2025-10-11T19:39:32.050Z
Learning: Qiskit packages use cp39-abi3 wheels (stable ABI) which are forward-compatible with Python 3.9+ including Python 3.14, even if the package classifiers don't explicitly list Python 3.14 support.

📚 Learning: 2025-11-04T15:22:19.558Z

Learnt from: marcelwa
Repo: munich-quantum-toolkit/core PR: 1243
File: test/python/qdmi/qiskit/conftest.py:155-157
Timestamp: 2025-11-04T15:22:19.558Z
Learning: The munich-quantum-toolkit/core repository requires Python 3.10 or later, so Python 3.10+ features (such as `zip(..., strict=...)`, pattern matching, etc.) are acceptable and should not be flagged as compatibility issues.

Applied to files:

• noxfile.py

📚 Learning: 2025-10-09T22:15:59.924Z

Learnt from: denialhaag
Repo: munich-quantum-toolkit/core PR: 1246
File: pyproject.toml:340-341
Timestamp: 2025-10-09T22:15:59.924Z
Learning: Qiskit publishes ABI3 wheels (e.g., cp39-abi3) that are forward-compatible with newer Python versions including Python 3.14, so no explicit Python 3.14 wheels are required for qiskit to work on Python 3.14.

Applied to files:

• noxfile.py

🔇 Additional comments (1)

noxfile.py (1)

35-35: Python 3.14 support is properly configured. The change correctly re-enables Python 3.14 testing across all nox sessions (tests, minimums, qiskit). Project configuration is complete: the Python 3.14 classifier exists in pyproject.toml, requires-python supports it, and all dependencies are compatible via ABI3 wheels (Qiskit) or native Python 3.14 support (rustworkx, networkx).

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