Merged c101389 from 2.12 branch

1b7b44c5 · Hanno Schlichting · 45d5c8ce · 1b7b44c5
Commit 1b7b44c5 authored Jul 02, 2009 by Hanno Schlichting
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src/Zope2/App/startup.py src/Zope2/App/startup.py +2 -1

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--- a/src/Zope2/App/startup.py
+++ b/src/Zope2/App/startup.py
@@ -171,7 +171,8 @@ class ZPublisherExceptionHook:
                if t.lower() in ('unauthorized', 'redirect'):
                    raise
            else:
-                if t is SystemExit or t is Redirect or t is Unauthorized:
+                if (t is SystemExit or
+                    issubclass(t, Redirect) or issubclass(t, Unauthorized)):
                    raise

                if issubclass(t, ConflictError):