diff --git a/test/generate_expected.py b/test/generate_expected.py
index f668da2..e049ab5 100644
--- a/test/generate_expected.py
+++ b/test/generate_expected.py
@@ -1,10 +1,15 @@
+# Copyright 2007 Baptiste Lepilleur and The JsonCpp Authors
+# Distributed under MIT license, or public domain if desired and
+# recognized in your jurisdiction.
+# See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+
 from __future__ import print_function
 import glob
 import os.path
-for path in glob.glob( '*.json' ):
+for path in glob.glob('*.json'):
     text = file(path,'rt').read()
     target = os.path.splitext(path)[0] + '.expected'
-    if os.path.exists( target ):
+    if os.path.exists(target):
         print('skipping:', target)
     else:
         print('creating:', target)