AuthenticationError: Client sent AUTH, but no password is set

[root@iZm5edcqv0ak6r3z1ayc8vZ proxy_pool-master]# python proxyPool.py schedule

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2022-01-11 15:41:15,913 launcher.py[line:45] INFO ProxyPool Version: 2.4.0
2022-01-11 15:41:15,914 launcher.py[line:50] INFO ProxyPool configure HOST: 0.0.0.0
2022-01-11 15:41:15,914 launcher.py[line:51] INFO ProxyPool configure PORT: 5010
2022-01-11 15:41:15,914 launcher.py[line:52] INFO ProxyPool configure PROXY_FETCHER: ['freeProxy01', 'freeProxy02', 'freeProxy03', 'freeProxy04', 'freeProxy05', 'freeProxy06', 'freeProxy07', 'freeProxy08', 'freeProxy09', 'freeProxy10']
2022-01-11 15:41:15,957 launcher.py[line:58] INFO ============ DATABASE CONFIGURE ================
2022-01-11 15:41:15,957 launcher.py[line:59] INFO DB_TYPE: REDIS
2022-01-11 15:41:15,957 launcher.py[line:60] INFO DB_HOST: 127.0.0.1
2022-01-11 15:41:15,957 launcher.py[line:61] INFO DB_PORT: 6379
2022-01-11 15:41:15,957 launcher.py[line:62] INFO DB_NAME: 0
2022-01-11 15:41:15,957 launcher.py[line:63] INFO DB_USER:
2022-01-11 15:41:15,957 launcher.py[line:64] INFO =================================================
2022-01-11 15:41:15,959 redisClient.py[line:149] ERROR redis connection error: Client sent AUTH, but no password is set
Traceback (most recent call last):
File "/opt/proxy_pool-master/db/redisClient.py", line 144, in test
self.getCount()
File "/opt/proxy_pool-master/db/redisClient.py", line 130, in getCount
proxies = self.getAll(https=False)
File "/opt/proxy_pool-master/db/redisClient.py", line 112, in getAll
items = self.__conn.hvals(self.name)
File "/usr/lib/python2.7/site-packages/redis/client.py", line 3084, in hvals
return self.execute_command('HVALS', name)
File "/usr/lib/python2.7/site-packages/redis/client.py", line 898, in execute_command
conn = self.connection or pool.get_connection(command_name, **options)
File "/usr/lib/python2.7/site-packages/redis/connection.py", line 1379, in get_connection
connection.connect()
File "/usr/lib/python2.7/site-packages/redis/connection.py", line 567, in connect
self.on_connect()
File "/usr/lib/python2.7/site-packages/redis/connection.py", line 643, in on_connect
auth_response = self.read_response()
File "/usr/lib/python2.7/site-packages/redis/connection.py", line 739, in read_response
response = self._parser.read_response()
File "/usr/lib/python2.7/site-packages/redis/connection.py", line 340, in read_response
raise error
AuthenticationError: Client sent AUTH, but no password is set
2022-01-11 15:41:15,963 launcher.py[line:39] INFO exit!