Fix linting

squirrelbattle/enums.py

@@ -53,7 +53,8 @@ class KeyValues(Enum):
     DANCE = auto()
 
     @staticmethod
-    def translate_key(key: str, settings: Settings) -> Optional["KeyValues"]:
+    def translate_key(key: str, settings: Settings) \
+            -> Optional["KeyValues"]:  # noqa: C901
         """
         Translates the raw string key into an enum value that we can use.
         """
@@ -91,4 +92,3 @@ class KeyValues(Enum):
             return KeyValues.LAUNCH
         elif key == settings.KEY_DANCE:
             return KeyValues.DANCE
-        return None