python 与redis集群交互报错： ImportError: cannot import name ‘StrictRedisCluster‘

一 运行Python程序与redis交互报错提示：ImportError: cannot import name 'StrictRedisCluster'

from rediscluster import strictRedisCluster

if __name__ == "__main__":
    '''python与redis server集群交互'''
    try:
        # 构建所有节点，redis会根据CRC16算法，将键和值分配到某个节点上
        startup_nodes = [
            {'host':'192.168.1.7','port':'7000'},
            {'host':'192.168.1.7','port':'7001'},
            {'host':'192168.1.7','port':'7002'},
        ]
        # 创建StrictRedisCluster对象
        src = strictRedisCluster(startup_nodes=startup_nodes,decode_response=True)
        # 设置键值对　alis et
        result = src.set('alis