modify

linucb/views/collect_data.py

@@ -59,7 +59,7 @@ class CollectData(object):
             logging.info("duan add,device_id:%s,recommend_tag_list:%s" % (str(device_id), str(recommend_tag_list)))
             if len(recommend_tag_dict) > 0:
                 tag_recommend_redis_key = self.linucb_recommend_redis_prefix + str(device_id)
-                redis_client.set(tag_recommend_redis_key, json.dumps(recommend_tag_dict.keys()))
+                redis_client.set(tag_recommend_redis_key, json.dumps(list(recommend_tag_dict.keys())))
                 # Todo:设置过期时间，调研set是否支持
                 redis_client.expire(tag_recommend_redis_key, 7*24*60*60)