@cassiopeia.type.core.common.immutablemethod
    def stats(self, season=None):
        return cassiopeia.riotapi.get_stats(self, season)
Queries the UserAppServer to see if the given user exists.
dataset/ETHPy150Open meraki-analytics/cassiopeia/cassiopeia/type/core/summoner.py/Summoner.stats--crossover with--dataset/ETHPy150Open AppScale/appscale-tools/lib/user_app_client.py/UserAppClient.does_user_exist