Change tuple type hint to Tuple[int, int, int] to satisfy mypy. Retur…

…n tuple naively instead of type casting from list to tuple. Add 2 regression tests for robustness.

stockfish/models.py

@@ -708,7 +708,7 @@ def is_move_correct(self, move_value: str) -> bool:
 
     def get_wdl_stats(
         self, get_as_tuple: bool = False
-    ) -> Union[list[int] | tuple[int, ...] | None]:
+    ) -> Union[list[int] | tuple[int, int, int] | None]:
         """Returns Stockfish's win/draw/loss stats for the side to move.
 
         Args:
@@ -741,7 +741,7 @@ def get_wdl_stats(
         wdl_stats = [int(split_line[i]) for i in range(wdl_index + 1, wdl_index + 4)]
 
         if get_as_tuple:
-            return tuple(wdl_stats)
+            return (wdl_stats[0], wdl_stats[1], wdl_stats[2])
         return wdl_stats
 
     def does_current_engine_version_have_wdl_option(self) -> bool:

tests/stockfish/test_models.py

@@ -916,6 +916,8 @@ def test_get_wdl_stats(self, stockfish: Stockfish):
 
             wdl_stats_4 = stockfish.get_wdl_stats(get_as_tuple=True)
             assert isinstance(wdl_stats_4, tuple) and len(wdl_stats_4) == 3
+            assert wdl_stats_3 == list(wdl_stats_4)
+            assert tuple(wdl_stats_3) == wdl_stats_4
 
             stockfish.set_fen_position("8/8/8/8/8/3k4/3p4/3K4 w - - 0 1")
             assert stockfish.get_wdl_stats() is None