From da9d09590e9ba679337c2519f49b9ed671243005 Mon Sep 17 00:00:00 2001
From: "R. David Murray" <rdmurray@bitdance.com>
Date: Wed, 29 Jul 2009 14:09:03 +0000
Subject: [PATCH] Recorded merge of revisions 74228 via svnmerge from
 svn+ssh://pythondev@svn.python.org/python/trunk

Merged in r74229.

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  r74228 | raymond.hettinger | 2009-07-27 16:32:04 -0400 (Mon, 27 Jul 2009) | 1 line

  Issue 6573: Fix set.union() for cases where self is in the argument chain.
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2.50.1