AttributeError: 'int' object has no attribute 'iteritems'

[yhwei89]

Traceback (most recent call last):
File "redis_monitor.py", line 88, in run
self.LogInfo(redis_info, current_time, self.last)
File "redis_monitor.py", line 185, in LogInfo
expired, evicted, hit_rate, commands, used_memory, peak_memory)
File "/kuyu/soft/redis-monitor-master/src/dataprovider/redisprovider.py", line 33, in save_keys_Info
self.conn.zadd(server +':'+ rediskey, score,data)
File "/usr/lib/python2.7/site-packages/redis/client.py", line 2685, in zadd
for pair in iteritems(mapping):
File "/usr/lib/python2.7/site-packages/redis/_compat.py", line 133, in iteritems
return x.iteritems()
AttributeError: 'int' object has no attribute 'iteritems'

What happened?