[pygobject] gtk-demo: Fix pyflakes error after recent commit

[Simon Feltman <sfeltman src gnome org>]

commit 6fc3d977f17397e514aed492055e93d03c410f60
Author: Simon Feltman <sfeltman src gnome org>
Date:   Tue Nov 12 23:04:50 2013 -0800

    gtk-demo: Fix pyflakes error after recent commit

 demos/gtk-demo/demos/pixbuf.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/demos/gtk-demo/demos/pixbuf.py b/demos/gtk-demo/demos/pixbuf.py
index 778874b..4f3329b 100644
--- a/demos/gtk-demo/demos/pixbuf.py
+++ b/demos/gtk-demo/demos/pixbuf.py
@@ -26,7 +26,7 @@ scaling. It also shows off how to use GtkDrawingArea to do a simple animation.
 Look at the Image demo for additional pixbuf usage examples.
 """
 
-from gi.repository import Gtk, Gdk, GdkPixbuf, GLib, GObject
+from gi.repository import Gtk, Gdk, GdkPixbuf, GLib
 import os
 import math