fix: update stream_chat/tests/async_chat/test_channel.py

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

Author: totalimmersion

stream_chat/tests/async_chat/test_channel.py

@@ -437,7 +437,9 @@ async def test_archive_channel(
         assert len(response["channels"]) == 1
         assert response["channels"][0]["channel"]["cid"] == channel.cid
 
-    async def test_update_member_partial(self, channel: Channel, random_users: List[Dict]):
+    async def test_update_member_partial(
+        self, channel: Channel, random_users: List[Dict]
+    ):
         user_id = random_users[0]["id"]
         await channel.add_members([user_id])