Merge lp:~dobey/software-center/fix-typeerror into lp:software-center

[dobey]

Only add the launcher when the desktop file is not None.

[Mike McCracken (mikemc)]

looks fine.

review: Approve

=== modified file 'softwarecenter/ui/gtk3/panes/availablepane.py'
--- softwarecenter/ui/gtk3/panes/availablepane.py	2013-09-10 16:26:42 +0000
+++ softwarecenter/ui/gtk3/panes/availablepane.py	2013-11-18 14:00:46 +0000
@@ -437,7 +437,8 @@
             trans_id != PURCHASE_TRANSACTION_ID and
                 config.add_to_unity_launcher and
                 softwarecenter.utils.is_unity_running()):
-            self._add_application_to_unity_launcher(details)
+            if details.desktop_file is not None:
+                self._add_application_to_unity_launcher(details)
 
     def on_transaction_cancelled(self, backend, result):
         """ handle a transaction that has been cancelled