Format import according to isort

metagpt/utils/__init__.py

@@ -6,6 +6,10 @@
 @File    : __init__.py
 """
 
-from metagpt.utils.singleton import Singleton
 from metagpt.utils.read_document import read_docx
-from metagpt.utils.token_counter import TOKEN_COSTS, count_string_tokens, count_message_tokens
+from metagpt.utils.singleton import Singleton
+from metagpt.utils.token_counter import (
+    TOKEN_COSTS,
+    count_message_tokens,
+    count_string_tokens,
+)

metagpt/utils/common.py

@@ -5,12 +5,12 @@
 @Author  : alexanderwu
 @File    : common.py
 """
-import os
 import ast
 import inspect
+import os
 import re
+from typing import List, Tuple, Union
 
-from typing import Union, List, Tuple
 from metagpt.logs import logger
 
 

metagpt/utils/mermaid.py

@@ -5,8 +5,8 @@
 @Author  : alexanderwu
 @File    : mermaid.py
 """
-import subprocess
 import os
+import subprocess
 from pathlib import Path
 
 from metagpt.const import PROJECT_ROOT

metagpt/utils/token_counter.py

@@ -9,8 +9,8 @@ ref2: https://github.com/Significant-Gravitas/Auto-GPT/blob/master/autogpt/llm/t
 ref3: https://github.com/hwchase17/langchain/blob/master/langchain/chat_models/openai.py
 """
 import tiktoken
-from metagpt.schema import RawMessage
 
+from metagpt.schema import RawMessage
 
 TOKEN_COSTS = {
     "gpt-3.5-turbo": {"prompt": 0.0015, "completion": 0.002},