def get_value_for_datastore(self, model_instance):
    return self.__get__(model_instance, model_instance.__class__)
Ensure that the grant is present with the specified properties
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/Property.get_value_for_datastore--crossover with--dataset/ETHPy150Open saltstack/salt/salt/states/mysql_grants.py/present