def minimum_preference_value(self):
        return 0.0
Does the template tag work without blowing up?
dataset/ETHPy150Open muricoca/crab/scikits/crab/models/classes.py/MatrixBooleanPrefDataModel.minimum_preference_value--crossover with--dataset/ETHPy150Open pydanny/django-social-bookmarking/social_bookmarking/tests.py/TestBookmarks.test_template_tag