From b7421fd5cd4237f53cf38d2787829d65dcd30ff9 Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Wed, 24 Jul 2002 16:58:46 +0000
Subject: [PATCH] Fix Ralf's boo-boo.

[SVN r14592]
---
 include/boost/python/class.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/boost/python/class.hpp b/include/boost/python/class.hpp
index 1abf41cb..1a5890c6 100644
--- a/include/boost/python/class.hpp
+++ b/include/boost/python/class.hpp
@@ -198,9 +198,9 @@ class class_ : public objects::class_base
 
     // Pickle support
     template <typename PickleSuiteType>
-    self& def_pickle(PickleSuiteType)
+    self& def_pickle(PickleSuiteType const& x)
     {
-      error_messages::must_be_derived_from_pickle_suite(PickleSuiteType());
+      error_messages::must_be_derived_from_pickle_suite(x);
       detail::pickle_suite_finalize<PickleSuiteType>::register_(
         *this,
         &PickleSuiteType::getinitargs,