gksudo "update-manager -d"
  warnings.warn("apt API not stable yet", FutureWarning)
/usr/lib/python2.4/site-packages/UpdateManager/MetaRelease.py:169: DeprecationWarning: Class MetaRelease is already GObject-registered; Please note that classes containing any of the attributes __gtype_name__, __gproperties__, or __gsignals__ are now automatically registered.
  gobject.type_register(MetaRelease)
new_dist_available: dapper

(synaptic:8720): Gtk-CRITICAL **: gtk_accel_label_set_accel_closure: assertion `gtk_accel_group_from_accel_closure (accel_closure) != NULL' failed

(synaptic:8720): Gtk-CRITICAL **: gtk_accel_label_set_accel_closure: assertion `gtk_accel_group_from_accel_closure (accel_closure) != NULL' failed
on_button_dist_upgrade_clicked
extracting '/tmp/tmpdozPjf/dapper.tar.gz'
authenticate '/tmp/tmpdozPjf/dapper.tar.gz' against '/tmp/tmpdozPjf/dapper.tar.gz.gpg'
/usr/lib/python2.4/site-packages/apt/__init__.py:17: FutureWarning: apt API not stable yet
  warnings.warn("apt API not stable yet", FutureWarning)
/tmp/tmpdozPjf/DistUpgradeViewGtk.py:62: GtkWarning: gtk_style_finalize: assertion `style->attach_count == 0' failed
  gtk.main_iteration()