From 802898ed9bd4d2eabd43ec918c5d217ed9aea2bc Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 6 Jun 2002 17:41:20 +0000
Subject: Fix from SF patch 565085: copy._reduction doesn't __setstate__.
 Straightforward fix.  Will backport to 2.2.  If there's ever a new 2.1
 release, this could be backported there too (since it's an issue with
 anything that's got both a __reduce__ and a __setstate__).

---
 Lib/copy.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'Lib/copy.py')

diff --git a/Lib/copy.py b/Lib/copy.py
index 01805549ab..77b7ad3a00 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -301,7 +301,10 @@ def _reconstruct(x, info, deep, memo=None):
     if state:
         if deep:
             state = deepcopy(state, memo)
-        y.__dict__.update(state)
+        if hasattr(y, '__setstate__'):
+            y.__setstate__(state)
+        else:
+            y.__dict__.update(state)
     return y
 
 del d
-- 
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