Annotate comma_separated_list better

Author: TuringTux

stubs/weasyprint/weasyprint/css/tokens.pyi

@@ -57,5 +57,5 @@ def get_content_list(tokens, base_url): ...
 def get_content_list_token(token, base_url): ...
 def single_keyword(function: Callable[[Incomplete], Incomplete]) -> Callable[[Sequence[_Token]], Incomplete | None]: ...
 def single_token(function: Callable[Concatenate[_Token, _P], _T]) -> Callable[Concatenate[Sequence[_Token], _P], _T | None]: ...
-def comma_separated_list(function: Callable[[Incomplete], _T]) -> Callable[[Incomplete], tuple[_T, ...] | None]: ...
+def comma_separated_list(function: Callable[Concatenate[Sequence[_Token], _P], _T]) -> Callable[Concatenate[Sequence[_Token], _P], tuple[_T, ...] | None]: ...
 def tokenize(item, function=None, unit=None): ...