Add return value annotation

Zenevya · Sep 10, 2023 · 3cb886c · 3cb886c
1 parent 2e6ff83
commit 3cb886c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chess/engine.py b/chess/engine.py
@@ -1324,7 +1324,7 @@ def _option(self, engine: UciProtocol, arg: str) -> None:
                 current_var = None
                 var = []
 
-                def parse_min_max_value(token: str, which: Literal["min", "max"]):
+                def parse_min_max_value(token: str, which: Literal["min", "max"]) -> Optional[int]:
                     try:
                         return int(token)
                     except ValueError: