def get_instance_model(instanceid, gameid=gid):
    game_key = Key.from_path('Game', gameid, 'GameInstance', instanceid)
    model = GameInstance.get(game_key)
    return model
def get_instance_model(instanceid, gameid = gid):
  game_key = Key.from_path('Game', gameid, 'GameInstance', instanceid)
  model = GameInstance.get(game_key)
  return model