fix style

Co-authored-by: dahn <[email protected]>

Author: madhukar93

test/integration/smoke/test_network_traffic_type_api.py

@@ -44,10 +44,10 @@ def setUpClass(cls):
         )
         cls._cleanup.append(cls.physical_network)
 
-        @classmethod
-        def tearDownClass(cls):
-            super(TestTrafficTypeApi, cls).tearDownClass()
-            
+    @classmethod
+    def tearDownClass(cls):
+        super(TestTrafficTypeApi, cls).tearDownClass()
+
 
     @attr(tags=["advanced"], required_hardware="false")
     def test_list_api_fields(self):