more linting

Author: gkevinzheng

tests/system/data/test_system_async.py

@@ -98,7 +98,6 @@ async def table(self, client, table_id, instance_id):
         async with client.get_table(instance_id, table_id) as table:
             yield table
 
-
     @pytest.fixture(scope="session")
     def column_family_config(self):
         """