bug fix

linucb/views/collect_data.py

@@ -111,6 +111,7 @@ class CollectData(object):
 
                     if cursor==0 and len(redis_topic_list)>0:
                         tag_topic_id_list = redis_topic_list[:2] + tag_topic_id_list
+                        tag_topic_id_list = list(set(tag_topic_id_list))
 
                 redis_data_dict = {
                     "data": json.dumps(tag_topic_id_list),