diff --git a/u2/list_ops.py b/u2/list_ops.py
index 39a8496..b351eab 100644
--- a/u2/list_ops.py
+++ b/u2/list_ops.py
@@ -4,4 +4,4 @@ def append(list1, list2):
         result = result + [item]
     for item in list2 :
         result = result + [item]
-return result
\ No newline at end of file
+    return result
\ No newline at end of file