修改文档

Doc/Tutorial_Python.md

@@ -333,7 +333,7 @@ class process_pred(object):
                 else:
                     conf_list.append(1)
             text = ''.join(char_list)
-            result_list.append((text, np.mean(conf_list)))
+            result_list.append(text)
         return result_list
 
     def __call__(self, preds, label=None):