format style

pipelines/examples/tree-of-thought/src/llm/ernie_bot.py

@@ -1,11 +1,27 @@
 # coding=utf8, ErnestinaQiu
+
+# Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 import re
 import time
 
 import erniebot
 
 Ernie_llm_list = ["ernie-3.5", "ernie-4.0"]
 
+
 class Ernie:
     def __init__(self, model):
         self.query = []