[gnome-music] albumartcache: make it a GObject

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 95fe1d9e3f308ea56d97cc3881f005b3d1dc3fe4
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Wed Jul 15 13:32:45 2015 +0200

    albumartcache: make it a GObject

 gnomemusic/albumArtCache.py |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/albumArtCache.py b/gnomemusic/albumArtCache.py
index 5f5c453..85f266c 100644
--- a/gnomemusic/albumArtCache.py
+++ b/gnomemusic/albumArtCache.py
@@ -29,7 +29,7 @@
 
 import gi
 gi.require_version('MediaArt', '2.0')
-from gi.repository import Gtk, GdkPixbuf, Gio, GLib, Gdk, MediaArt
+from gi.repository import Gtk, GdkPixbuf, Gio, GLib, Gdk, MediaArt, GObject
 from gettext import gettext as _
 import cairo
 from math import pi
@@ -80,7 +80,7 @@ def _make_icon_frame(pixbuf, path=None):
     return border_pixbuf
 
 
-class AlbumArtCache:
+class AlbumArtCache(GObject.GObject):
     instance = None
     blacklist = {}
     itr_queue = []
@@ -130,6 +130,7 @@ class AlbumArtCache:
 
     @log
     def __init__(self):
+        GObject.GObject.__init__(self)
         try:
             self.cacheDir = os.path.join(GLib.get_user_cache_dir(), 'media-art')
             if not os.path.exists(self.cacheDir):