diff --git a/Lib/test/test_functional.py b/Lib/test/test_functional.py
index 97e30c3..5078a2e 100644
--- a/Lib/test/test_functional.py
+++ b/Lib/test/test_functional.py
@@ -139,7 +139,7 @@
         self.assertEqual(join(data), '0123456789')
         join = self.thetype(''.join)
         self.assertEqual(join(data), '0123456789')
-    
+
 class PartialSubclass(functional.partial):
     pass