[gnome-music] player: mpris: skip all the exception when getting artist

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit b252ec9fdc66e2fa732448783a86bf4b3a1c0fab
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Mon Mar 31 13:44:34 2014 +0200

    player: mpris: skip all the exception when getting artist

 gnomemusic/player.py |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/gnomemusic/player.py b/gnomemusic/player.py
index 223d89b..0da5d9d 100644
--- a/gnomemusic/player.py
+++ b/gnomemusic/player.py
@@ -359,9 +359,11 @@ class Player(GObject.GObject):
 
         self.titleLabel.set_label(AlbumArtCache.get_media_title(media))
 
-        if media.get_artist() is not None:
-            self.artistLabel.set_label(media.get_artist())
-        else:
+        try:
+            artist = media.get_artist()
+            assert artist is not None
+            self.artistLabel.set_label(artist)
+        except:
             self.artistLabel.set_label(_("Unknown Artist"))
 
         url = media.get_url()