Index: Objects/weakrefobject.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Objects/weakrefobject.c,v
retrieving revision 1.16
diff -w -u -r1.16 weakrefobject.c
--- Objects/weakrefobject.c	4 Feb 2004 23:14:14 -0000	1.16
+++ Objects/weakrefobject.c	25 Jun 2004 02:56:25 -0000
@@ -355,7 +355,7 @@
 {
     PyObject *o = PyWeakref_GET_OBJECT(proxy);
     if (!proxy_checkref(proxy))
-        return 1;
+        return -1;
     if (o->ob_type->tp_as_number &&
         o->ob_type->tp_as_number->nb_nonzero)
         return (*o->ob_type->tp_as_number->nb_nonzero)(o);
Index: Lib/test/test_weakref.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_weakref.py,v
retrieving revision 1.40
diff -w -u -r1.40 test_weakref.py
--- Lib/test/test_weakref.py	2 Jun 2004 18:42:25 -0000	1.40
+++ Lib/test/test_weakref.py	25 Jun 2004 02:56:25 -0000
@@ -104,6 +104,7 @@
 
         self.assertRaises(weakref.ReferenceError, check, ref1)
         self.assertRaises(weakref.ReferenceError, check, ref2)
+        self.assertRaises(weakref.ReferenceError, bool, weakref.proxy(C()))
         self.assert_(self.cbcalled == 2)
 
     def check_basic_ref(self, factory):