diff -r e6eb0c7c2e98 -r 10942ed172de web/views/debug.py
--- a/web/views/debug.py	Tue Sep 08 18:04:57 2015 +0200
+++ b/web/views/debug.py	Tue Sep 15 16:15:03 2015 +0200
@@ -170,7 +170,7 @@
                 continue
             self.w(u'<h3 id="%s">%s</h3>' % (key, key))
             if self._cw.vreg[key]:
-                values = sorted(self._cw.vreg[key].iteritems())
+                values = sorted(self._cw.vreg[key].items())
                 self.wview('pyvaltable', pyvalue=[(key, xml_escape(repr(val)))
                                                   for key, val in values])
             else: