Comment 1 for bug 403618

Change needed, without test:

=== modified file 'lib/canonical/launchpad/zcml/librarian.zcml'
--- lib/canonical/launchpad/zcml/librarian.zcml 2009-07-13 18:15:02 +0000
+++ lib/canonical/launchpad/zcml/librarian.zcml 2010-02-16 16:09:15 +0000
@@ -44,7 +44,8 @@

   <!-- StreamOrRedirectLibraryFileAliasView -->
   <class class="canonical.launchpad.browser.librarian.StreamOrRedirectLibraryFileAliasView">
- <allow attributes="browserDefault __call__" />
+ <allow attributes="__call__" />
+ <allow interface="zope.publisher.interfaces.browser.IBrowserPublisher" />
   </class>

 </configure>