Fix code style issues with Black

lint-action · lint-action · commit 5c470bf5bc83 · 2021-08-19T20:10:40.000Z
diff --git a/twitchio/chatter.py b/twitchio/chatter.py
@@ -182,7 +182,7 @@ def is_subscriber(self) -> Optional[bool]:
 
         Could be None if no Tags were received.
         """
-        return self._sub or 'founder' in self._tags
+        return self._sub or "founder" in self._tags
 
     @property
     def prediction(self) -> Optional[PredictionEnum]:
