def test_transform_execution_with_optional_input() -> None:
        """Test Lifetime with optional input"""
        result = Lifetime(start_date="2000-05-22").transform(inputs=[])
        for item in result:
>           assert item == "23"
E           AssertionError: assert '24' == '23'
E             - 23
E             + 24

tests/test_example.py:63: AssertionError