Rework to single if with walrus #6250

Job	Run time
Cache identify	5s
Shellcheck	5s
Dependency	5s
Prepare	7s
Ruff check and force	6s
Check commit	27s
Run pytest using Python 3.14	16s
Run pytest using Python 3.13	17s
Run mypy	12s
Process test coverage	17s
Build and publish Python 🐍 distributions 📦 to TestPyPI	13s
Process test complexity	6s
	2m 16s

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