Update stream_chat/tests/test_client.py

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: rafaelmf3

stream_chat/tests/test_client.py

@@ -1038,7 +1038,9 @@ def test_mark_delivered(
         response = client.mark_delivered(delivery_data_multiple)
         assert response is not None
 
-    def test_mark_delivered_simple(self, client: StreamChat, channel: Channel, random_user: Dict):
+    def test_mark_delivered_simple(
+        self, client: StreamChat, channel: Channel, random_user: Dict
+    ):
         response = client.mark_delivered_simple(
             user_id=random_user["id"],
             message_id="test-message-id",