--- a/mercurial/commands.py	Fri Aug 27 13:32:38 2010 -0400
+++ b/mercurial/commands.py	Fri Aug 27 13:32:40 2010 -0400
@@ -1360,7 +1360,7 @@
     # check username
     ui.status(_("Checking username...\n"))
     try:
-        user = ui.username()
+        ui.username()
     except util.Abort, e:
         ui.write(" %s\n" % e)
         ui.write(_(" (specify a username in your .hgrc file)\n"))