From bfc3e63980dd0fc47601529ca1f224602e10f777 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 22 Sep 2010 09:57:33 -0600
Subject: [PATCH] ...

---
 src/calibre/library/save_to_disk.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/library/save_to_disk.py b/src/calibre/library/save_to_disk.py
index 6f7929a072..19727deb17 100644
--- a/src/calibre/library/save_to_disk.py
+++ b/src/calibre/library/save_to_disk.py
@@ -120,7 +120,7 @@ class SafeFormat(string.Formatter):
         try:
             prefix, key, suffix = explode_string_template_value(key)
             if kwargs[key]:
-                return '%s%s%s'%(prefix, kwargs[key], suffix)
+                return prefix + kwargs[key] + suffix
             return ''
         except:
             return ''