Merge branch 'similar_sort' into 'master'

modify

See merge request !159

linucb/views/linucb.py

@@ -86,7 +86,7 @@ class LinUCB:
             sorted_np_score_list = sorted(np_score_list,reverse=True)
             for top_score in sorted_np_score_list:
                 for top_score_index in np_score_dict[top_score]:
-                    top_tag_set.add(tag_list[top_score_index])
+                    top_tag_set.add(str(tag_list[top_score_index], encoding="utf-8"))
 
                 if len(top_tag_set) >= 10:
                     break