_energy_log_records_load_from_cache(): guard for empty log #2124

Job	Run time
Prepare	55s
Dependency	4s
Shellcheck	4s
Ruff check and force	9s
Check commit	48s
Create pytest cache for Python 3.13	11s
Run pytest using Python 3.13	20s
Run mypy	7s
Process test coverage	11s
Build and publish Python 🐍 distributions 📦 to TestPyPI	18s
Process test complexity	8s
	3m 15s

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