void -> do

--HG--
branch : trunk
diff --git a/jinja2-debug.py b/jinja2-debug.py
index f2fa94a..a250a62 100755
--- a/jinja2-debug.py
+++ b/jinja2-debug.py
@@ -13,7 +13,7 @@
 import jinja2
 from werkzeug import script
 
-env = jinja2.Environment(extensions=['jinja2.ext.i18n'])
+env = jinja2.Environment(extensions=['jinja2.ext.i18n', 'jinja2.ext.do'])
 
 def shell_init_func():
     def _compile(x):