From 0c64a8ab5c05eb830f40980ded7fab541b1ca932 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 10 Jul 2007 20:38:40 +0000
Subject: [PATCH] fixed small expunge() bug where object might not be present
 in session

---
 lib/sqlalchemy/orm/unitofwork.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sqlalchemy/orm/unitofwork.py b/lib/sqlalchemy/orm/unitofwork.py
index c6b0b2689c..5f28d28e76 100644
--- a/lib/sqlalchemy/orm/unitofwork.py
+++ b/lib/sqlalchemy/orm/unitofwork.py
@@ -108,7 +108,7 @@ class UnitOfWork(object):
     echo = logging.echo_property()
 
     def _remove_deleted(self, obj):
-        if hasattr(obj, "_instance_key"):
+        if hasattr(obj, "_instance_key") and obj._instance_key in self.identity_map:
             del self.identity_map[obj._instance_key]
         try:
             self.deleted.remove(obj)
-- 
2.47.2