Use the Any trick

Author: Akuli

stdlib/tokenize.pyi

@@ -132,7 +132,7 @@ class Untokenizer:
 
 # the docstring says "returns bytes" but is incorrect --
 # if the ENCODING token is missing, it skips the encode
-def untokenize(iterable: Iterable[_Token]) -> bytes | str: ...
+def untokenize(iterable: Iterable[_Token]) -> str | Any: ...  # str in most use cases
 def detect_encoding(readline: Callable[[], bytes | bytearray]) -> tuple[str, Sequence[bytes]]: ...
 def tokenize(readline: Callable[[], bytes | bytearray]) -> Generator[TokenInfo, None, None]: ...
 def generate_tokens(readline: Callable[[], str]) -> Generator[TokenInfo, None, None]: ...