diff -r 79ff784cd8af -r 7f6b5f023884 web/schemaviewer.py
--- a/web/schemaviewer.py	Fri Sep 11 18:01:36 2015 +0200
+++ b/web/schemaviewer.py	Fri Sep 11 18:05:38 2015 +0200
@@ -18,7 +18,7 @@
 """an helper class to display CubicWeb schema using ureports"""
 
 __docformat__ = "restructuredtext en"
-_ = unicode
+from cubicweb import _
 
 from six import string_types