Black formatting

Author: chillymosh

twitchio/http.py

@@ -389,10 +389,10 @@ async def update_reward(
         token: str,
         broadcaster_id: int,
         reward_id: str,
-        title:  Optional[str] = None,
-        prompt:  Optional[str] = None,
+        title: Optional[str] = None,
+        prompt: Optional[str] = None,
         cost: Optional[int] = None,
-        background_color:  Optional[str] = None,
+        background_color: Optional[str] = None,
         enabled: Optional[bool] = None,
         input_required: Optional[bool] = None,
         max_per_stream_enabled: Optional[bool] = None,