From 6f05aa06bfde7a9aa1437fa542232bf05ff13df2 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 25 Apr 2013 13:54:40 -0400
Subject: everything passes with this!!!!!!! holy crap !!!!!  and its the
 simplest of all

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

(limited to 'lib/sqlalchemy/sql/util.py')

diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py
index 520c90f99..4aa2d7496 100644
--- a/lib/sqlalchemy/sql/util.py
+++ b/lib/sqlalchemy/sql/util.py
@@ -203,7 +203,7 @@ def clause_is_present(clause, search):
     stack = [search]
     while stack:
         elem = stack.pop()
-        if clause is elem:
+        if clause == elem:  # use == here so that Annotated's compare
             return True
         elif isinstance(elem, expression.Join):
             stack.extend((elem.left, elem.right))
-- 
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