def _validate(self, info):
        if info is None:
            raise ValueError
        return True
Test the data streams functionality.
dataset/ETHPy150Open christabor/MoAL/MOAL/software_engineering/problem_solving/design_patterns/solid/interface_segregation.py/MonsterATMClass._validate--crossover with--dataset/ETHPy150Open log2timeline/dfvfs/tests/vfs/tar_file_entry.py/TARFileEntryTest.testDataStreams