diff -r a50b409ee89f Lib/test/test_urllib2_localnet.py
--- a/Lib/test/test_urllib2_localnet.py	Mon Dec 17 16:15:35 2012 +0200
+++ b/Lib/test/test_urllib2_localnet.py	Mon Dec 17 12:38:54 2012 -0500
@@ -351,6 +351,9 @@
     """
 
     def setUp(self):
+        proxy_handler = urllib.request.ProxyHandler({})
+        opener = urllib.request.build_opener(proxy_handler)
+        urllib.request.install_opener(opener)
         super(TestUrlopen, self).setUp()
         self.server = None