diff --git a/mercurial/changegroup.py b/mercurial/changegroup.py
--- a/mercurial/changegroup.py
+++ b/mercurial/changegroup.py
@@ -7,6 +7,7 @@ This software may be used and distribute
 of the GNU General Public License, incorporated herein by reference.
 """
 import struct
+from i18n import gettext as _
 from demandload import *
 demandload(globals(), "util")