def sdiffstore(self, dest, keys, *args):

        raise mredis.exceptions.UnextendedRedisCommand
Stores all unread messages.
dataset/ETHPy150Open gmr/mredis/mredis/client.py/MRedis.sdiffstore--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/messages/storage/base.py/BaseStorage.update