type return with tuple

while only iterable is strictly needed, any reader would
expect the function to return a tuple

Author: Numerlor

botcore/utils/cooldown.py

@@ -167,7 +167,7 @@ def _delete_stale_items(self) -> None:
                 self._cooldowns[key] = filtered_cooldowns
 
 
-def _create_argument_tuple(*args: object, **kwargs: object) -> Iterable[object]:
+def _create_argument_tuple(*args: object, **kwargs: object) -> tuple[object, ...]:
     return (*args, _KEYWORD_SEP_SENTINEL, *kwargs.items())