diff --git a/test/test_utils.py b/test/test_utils.py
index 5e7b8e19a..083a393c0 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -540,7 +540,7 @@ class FormatTestCase(SupyTestCase):
                          'apples, oranges, and watermelon.')
 
     def testPercentL(self):
-        self.assertIn(format('%L', set(('apples', 'oranges', 'watermelon'])), [
+        self.assertIn(format('%L', set(['apples', 'oranges', 'watermelon'])), [
                          'apples, oranges, and watermelon',
                          'oranges, apples, and watermelon',
                          'apples, watermelon, and oranges',