def minimum_preference_value(self):
        return self.min_pref
Check that "url" and "directory" are not required.
dataset/ETHPy150Open muricoca/crab/scikits/crab/models/classes.py/MatrixPreferenceDataModel.minimum_preference_value--crossover with--dataset/ETHPy150Open miracle2k/webassets/tests/test_loaders.py/TestYAML.test_load_environment_no_url_or_directory