diff -r 5c931bd3dc1e -r a7766286a7be thirdparty/google_appengine/google/appengine/runtime/apiproxy_errors.py
--- a/thirdparty/google_appengine/google/appengine/runtime/apiproxy_errors.py	Thu Feb 12 10:24:37 2009 +0000
+++ b/thirdparty/google_appengine/google/appengine/runtime/apiproxy_errors.py	Thu Feb 12 12:30:36 2009 +0000
@@ -49,6 +49,7 @@
   def __init__(self, application_error, error_detail=''):
     self.application_error = application_error
     self.error_detail = error_detail
+    Error.__init__(self, application_error)
 
   def __str__(self):
     return 'ApplicationError: %d %s' % (self.application_error,