's'

src/utils.py

@@ -11,15 +11,16 @@ import functools
 import hashlib
 import re
 import traceback
-from typing import Any, List, Optional, Union
+from typing import Any, Dict, List, Optional, Union
 from urllib.parse import parse_qs, urlparse
 from collections import OrderedDict
 import execjs
 from .logger import logger
 import configparser
 
-OptionalStr = Optional[str]
-OptionalDict = Optional[dict]
+# Python 3.9：此处不能写 str | None（| 会在 import 时求值报错），勿改回 PEP604 写法
+OptionalStr = Union[str, None]
+OptionalDict = Union[Dict[str, Any], None]
 
 
 class Color: