def _null_fn(self, *args, **kwargs):
        pass
Args:
dataset/ETHPy150Open oppia/oppia/core/domain/user_jobs_one_off_test.py/DashboardSubscriptionsOneOffJobTests._null_fn--crossover with--dataset/ETHPy150Open bytefish/facerec/py/facerec/classifier.py/SVM.predict