more typing work

docs/kittens/custom.rst

@@ -20,7 +20,7 @@ your machine).
 
 .. code-block:: python
 
-   def main(args):
+   def main(args: List[str]) -> str:
       # this is the main entry point of the kitten, it will be executed in
       # the overlay window when the kitten is launched
       answer = input('Enter some text: ')
@@ -28,7 +28,7 @@ your machine).
       # handle_result() function
       return answer
 
-   def handle_result(args, answer, target_window_id, boss):
+   def handle_result(args: List[str], answer: str, target_window_id: int, boss: kitty.boss.Boss) -> None:
       # get the kitty window into which to paste answer
       w = boss.window_id_map.get(target_window_id)
       if w is not None: