def __validate_attributes__(self):
        if self.required not in (True, False):
            raise RuntimeError(
                '\'required\' can only be True/False'
            )
updateVersion(versionNumber: int) -> None
dataset/ETHPy150Open saltstack/salt/salt/utils/schema.py/SchemaItem.__validate_attributes__--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/version_prop.py/QVersionMashups.updateVersion