--- a/mercurial/util.py	Sun Mar 20 16:49:56 2016 -0700
+++ b/mercurial/util.py	Thu Apr 07 00:05:48 2016 +0000
@@ -49,6 +49,8 @@
 for attr in (
     'empty',
     'queue',
+    'urlerr',
+    'urlreq',
     'stringio',
 ):
     globals()[attr] = getattr(pycompat, attr)