From 61478f4ba0202a97ee3cb1c9969047c19054eb33 Mon Sep 17 00:00:00 2001
From: Victor Shnayder <victor@mitx.mit.edu>
Date: Thu, 16 Aug 2012 11:46:56 -0400
Subject: [PATCH] fix string format bug

---
 common/lib/xmodule/xmodule/backcompat_module.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/lib/xmodule/xmodule/backcompat_module.py b/common/lib/xmodule/xmodule/backcompat_module.py
index 06713d3432..ed2bdb837a 100644
--- a/common/lib/xmodule/xmodule/backcompat_module.py
+++ b/common/lib/xmodule/xmodule/backcompat_module.py
@@ -92,7 +92,7 @@ class TranslateCustomTagDescriptor(XModuleDescriptor):
         xml_object = etree.fromstring(xml_data)
         system.error_tracker('WARNING: the <{tag}> tag is deprecated.  '
                              'Instead, use <customtag impl="{tag}" attr1="..." attr2="..."/>. '
-                             .format(xml_object.tag))
+                             .format(tag=xml_object.tag))
 
         tag = xml_object.tag
         xml_object.tag = 'customtag'