--- a/devtools/testlib.py	Tue Jan 04 16:35:06 2011 +0100
+++ b/devtools/testlib.py	Wed Jan 05 10:30:52 2011 +0100
@@ -789,7 +789,7 @@
             validatorclass = self.content_type_validators.get(view.content_type,
                                                               default_validator)
         if validatorclass is None:
-            return 
+            return
         validator = validatorclass()
         if isinstance(validator, htmlparser.DTDValidator):
             # XXX remove <canvas> used in progress widget, unknown in html dtd