diff --git a/tests/test_squeeze_unsqueeze.py b/tests/test_squeeze_unsqueeze.py
index 2db26a6bdc..130a214345 100644
--- a/tests/test_squeeze_unsqueeze.py
+++ b/tests/test_squeeze_unsqueeze.py
@@ -28,7 +28,6 @@
     (torch.rand(3, 4).type(torch.int32), 5, (3, 4, 1, 1, 1)),
 ]
 
-
 LEFT_CASES = [
     (np.random.rand(3, 4).astype(np.float32), 5, (1, 1, 1, 3, 4)),
     (torch.rand(3, 4).type(torch.float32), 5, (1, 1, 1, 3, 4)),
diff --git a/tests/test_voxelmorph.py b/tests/test_voxelmorph.py
index c51f70cbf5..53ef2fc18f 100644
--- a/tests/test_voxelmorph.py
+++ b/tests/test_voxelmorph.py
@@ -229,7 +229,6 @@
 
 ILL_CASES = [ILL_CASE_0, ILL_CASE_1, ILL_CASE_2, ILL_CASE_3, ILL_CASE_4, ILL_CASE_5]
 
-
 ILL_CASES_IN_SHAPE_0 = [  # moving and fixed image shape not match
     {"spatial_dims": 3},
     (1, 2, 96, 96, 48),