--- a/tests/list-tree.py	Sun Dec 10 19:43:35 2017 +0900
+++ b/tests/list-tree.py	Sat Dec 09 23:46:44 2017 -0500
@@ -24,4 +24,4 @@
         else:
             yield p
 
-print('\n'.join(sorted(gather())))
+print('\n'.join(sorted(gather(), key=lambda x: x.replace(os.path.sep, '/'))))