def get_last_list_item_id(self, list_tree):
        items = list(list_tree.iter("li"))
        return items[-1].attrib["id"] if items else None
Find a keyspace in the cluster which is not 'system', for the purpose
dataset/ETHPy150Open quip/quip-api/python/quip.py/QuipClient.get_last_list_item_id--crossover with--dataset/ETHPy150Open driftx/Telephus/telephus/pool.py/CassandraPoolReconnectorFactory.my_pick_non_system_keyspace