[pygobject] Examples: fix cairo-demo.py imports

[Dieter Verfaillie <dieterv src gnome org>]

commit 45b0fcff9e948c65a3903c32a3957802034c5e47
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Fri Sep 9 16:50:25 2011 +0200

    Examples: fix cairo-demo.py imports

 examples/cairo-demo.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/examples/cairo-demo.py b/examples/cairo-demo.py
index 9b8e8f9..cec45d8 100755
--- a/examples/cairo-demo.py
+++ b/examples/cairo-demo.py
@@ -1,8 +1,8 @@
 #!/usr/bin/env python
-"""Based on cairo-demo/X11/cairo-demo.c
 """
-import pygtk
-pygtk.require('2.0')
+Based on cairo-demo/X11/cairo-demo.c
+"""
+
 import cairo
 from gi.repository import Gdk, Gtk