diff -r 84be86af9161 Lib/packaging/tests/test_version.py
--- a/Lib/packaging/tests/test_version.py	Fri Feb 03 02:46:37 2012 +0100
+++ b/Lib/packaging/tests/test_version.py	Sun Feb 05 15:00:10 2012 +0200
@@ -36,7 +36,7 @@
         for v, s in self.versions:
             self.assertEqual(hash(v), hash(V(s)))
 
-        versions = set([v for v, s in self.versions])
+        versions = [v for v, s in self.versions]
         for v, s in self.versions:
             self.assertIn(v, versions)