diff -r 1800aa0bf396 -r 356e9d7c356d wsgi/handler.py
--- a/wsgi/handler.py	Tue Aug 11 12:42:01 2009 +0200
+++ b/wsgi/handler.py	Tue Aug 11 13:01:56 2009 +0200
@@ -97,7 +97,7 @@
 #         assert self.base_url[-1] == '/'
 #         self.https_url = config['https-url']
 #         assert not self.https_url or self.https_url[-1] == '/'
-        self.url_rewriter = self.appli.vreg.select_object('components', 'urlrewriter')
+        self.url_rewriter = self.appli.vreg['components'].select_or_none('urlrewriter')
 
     def _render(self, req):
         """this function performs the actual rendering