diff --git a/Tests/test_imagedraw.py b/Tests/test_imagedraw.py
index 146ac7dc9..b5ac94e24 100644
--- a/Tests/test_imagedraw.py
+++ b/Tests/test_imagedraw.py
@@ -1355,7 +1355,19 @@ def test_continuous_horizontal_edges_polygon():
         os.path.join(IMAGES_PATH, "continuous_horizontal_edges_polygon.png")
     ) as expected:
         expected.load()
-        xy = [(2, 6), (12, 6), (12, 12), (8, 12), (8, 9), (8, 8), (5, 8), (4, 8), (3, 8), (2, 8), (2, 7)]
+        xy = [
+            (2, 6),
+            (12, 6),
+            (12, 12),
+            (8, 12),
+            (8, 9),
+            (8, 8),
+            (5, 8),
+            (4, 8),
+            (3, 8),
+            (2, 8),
+            (2, 7)
+        ]
         img, draw = create_base_image_draw((16, 16))
         draw.polygon(xy, BLACK)
         assert_image_equal(img, expected, "continuous horizontal edges polygon failed")