def list_users(self, instance=None):
        raise NotImplementedError()
Load a yaml file or string and return a PagespeedEntry.
dataset/ETHPy150Open globocom/database-as-a-service/dbaas/drivers/base.py/BaseDriver.list_users--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/pagespeedinfo.py/LoadPagespeedEntry