diff --git a/tests/test_clip_intensity_percentiles.py b/tests/test_clip_intensity_percentiles.py
index a821558fb7..cab2a89a47 100644
--- a/tests/test_clip_intensity_percentiles.py
+++ b/tests/test_clip_intensity_percentiles.py
@@ -22,6 +22,7 @@
 
 
 class TestClipIntensityPercentiles2D(NumpyImageTestCase2D):
+
     @parameterized.expand([[p] for p in TEST_NDARRAYS])
     def test_hard_clipping_two_sided(self, p):
         hard_clipper = ClipIntensityPercentiles(upper=95, lower=5)