Hi, While trying to debug this problem (before noticing this bug report), I came up with the attached trivial patch against po/POTFILES.in that also solves the issue.
Regards David
=== modified file 'po/POTFILES.in' --- po/POTFILES.in 2009-08-15 11:04:45 +0000 +++ po/POTFILES.in 2011-03-25 22:12:15 +0000 @@ -35,6 +35,6 @@ UpdateManager/__init__.py data/update-manager.schemas.in data/update-manager.desktop.in -data/ui/UpdateManager.ui +[type: gettext/glade] data/ui/UpdateManager.ui update-manager update-manager-text
signature.asc
Description: OpenPGP digital signature
