fix gtkgl import

install-deps

@@ -59,6 +59,6 @@ except:
             Popen(['sudo', 'python', 'setup.py', 'install']).wait())
 
 try:
-    exec 'import gtkgl'
+    exec 'import gtk.gtkgl'
 except:
     Popen(['sudo', 'apt-get', 'install', 'python-gtkglext1']).wait()