modify

linucb/views/collect_data.py

@@ -55,7 +55,7 @@ class CollectData(object):
                 LinUCB.init_device_id_linucb_info(redis_client, self.linucb_matrix_redis_prefix,device_id,recommend_tag_list)
             else:
                 user_feature = user_feature if user_feature else self.user_feature
-                recommend_tag_list = LinUCB.linucb_recommend_tag(redis_linucb_tag_data_dict,user_feature,redis_linucb_tag_data_dict.keys())
+                recommend_tag_list = LinUCB.linucb_recommend_tag(redis_linucb_tag_data_dict,user_feature,list(redis_linucb_tag_data_dict.keys()))
 
             if len(recommend_tag_list) > 0:
                 tag_recommend_redis_key = self.linucb_recommend_redis_prefix + str(device_id)