Fix #3634 invalid return value from _weakref.ref(Exception).__init__

Reviewers: Amaury, Antoine, Benjamin
diff --git a/Misc/NEWS b/Misc/NEWS
index 1fca795..4a201f2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #3634: _weakref.ref(Exception).__init__() gave invalid return value on
+  error.
+
 - Issue #3777: long() applied to a float object now always return a long
   object; previously an int would be returned for small values. the __long__
   method is allowed to return either an int or a long, but the behaviour of