--- a/web/facet.py	Fri Sep 11 18:01:36 2015 +0200
+++ b/web/facet.py	Fri Sep 11 18:05:38 2015 +0200
@@ -50,7 +50,7 @@
 """
 
 __docformat__ = "restructuredtext en"
-_ = unicode
+from cubicweb import _
 
 from functools import reduce
 from warnings import warn