Index: solfege-3.16.4/test.py
===================================================================
--- solfege-3.16.4.orig/test.py	2010-09-19 16:25:28.000000000 +0200
+++ solfege-3.16.4/test.py	2010-09-19 16:25:36.000000000 +0200
@@ -19,7 +19,7 @@
     else:
         print s
 
-sys.displayhook = f
+sys.__displayhook__ = f
 
 from solfege import testlib
 import solfege.i18n