--- a/schema.py	Tue Jun 23 13:34:28 2009 +0200
+++ b/schema.py	Tue Jun 23 13:46:18 2009 +0200
@@ -9,6 +9,7 @@
 _ = unicode
 
 import re
+from os.path import join
 from logging import getLogger
 from warnings import warn