def setNullAllowed(self, onlyNullAllowed):
        self._onlyNullAllowed = onlyNullAllowed
Execute an OS command.
dataset/ETHPy150Open rwl/muntjac/muntjac/data/validators/null_validator.py/NullValidator.setNullAllowed--crossover with--dataset/ETHPy150Open EiNSTeiN-/idapython/python/idc.py/Exec