--- io-2011.09.12/addons/Python/CMakeLists.txt.orig	2011-09-13 00:14:12.000000000 +0200
+++ io-2011.09.12/addons/Python/CMakeLists.txt	2013-11-10 14:44:06.526979463 +0100
@@ -4,6 +4,7 @@
 # Builds the Python addon
 
 # Find curses
+set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4)
 find_package(PythonLibs)
 
 # Create the _build bundle hierarchy if needed.