diff --git a/test/testlib.py b/test/testlib.py
index 0d32e0b512dcb1f7f790b1c211e52987306cd895..3fae05a38ad0f0c414f42a182e36ed26c5b50da5 100644
--- a/test/testlib.py
+++ b/test/testlib.py
@@ -1,5 +1,6 @@
 import loopy as lp
 
+
 # {{{ test_preamble_with_separate_temporaries
 
 class SeparateTemporariesPreambleTestHelper: