Add missing import #1555

Job	Run time
Prepare	1m 15s
Dependency	4s
Shellcheck	5s
Ruff check and force	10s
Check commit	39s
Create pytest cache for Python 3.13	6s
Run pytest using Python 3.13	25s
Process test coverage	12s
Run mypy	11s
Process test complexity	11s
Build and publish Python 🐍 distributions 📦 to TestPyPI	22s
	3m 40s

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