diff --git a/Tests/test_file_dds.py b/Tests/test_file_dds.py
index 537302a09..d215e901d 100644
--- a/Tests/test_file_dds.py
+++ b/Tests/test_file_dds.py
@@ -76,6 +76,7 @@ def test_sanity_ati1():
 
         assert_image_equal_tofile(im, TEST_FILE_ATI1.replace(".dds", ".png"))
 
+
 def test_sanity_ati2():
     """Check ATI2 images can be opened"""