diff --git a/system_tests/vision.py b/system_tests/vision.py
index 91aa9654f5753..94a1b2bd02065 100644
--- a/system_tests/vision.py
+++ b/system_tests/vision.py
@@ -222,9 +222,18 @@ def test_detect_faces_filename(self):
 
 
 class TestVisionClientLabel(BaseVisionTestCase):
-    DESCRIPTIONS = ['car', 'vehicle', 'land vehicle', 'automotive design',
-                    'wheel', 'automobile make', 'luxury vehicle',
-                    'sports car', 'performance car', 'automotive exterior']
+    DESCRIPTIONS = (
+        'car',
+        'vehicle',
+        'land vehicle',
+        'automotive design',
+        'wheel',
+        'automobile make',
+        'luxury vehicle',
+        'sports car',
+        'performance car',
+        'automotive exterior',
+    )
 
     def setUp(self):
         self.to_delete_by_case = []