--- a/boost/python/detail/translate_exception.hpp	2009-07-25 15:04:50.000000000 -0700
+++ b/boost/python/detail/translate_exception.hpp	2009-07-25 15:04:50.000000000 -0700
@@ -9,6 +9,7 @@
 
 # include <boost/call_traits.hpp>
 # include <boost/type_traits/add_const.hpp>
+# include <boost/type_traits/add_reference.hpp>
 
 # include <boost/function/function0.hpp>