From c680f51d520f26045deb26718abcae5160483078 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 5 Apr 2013 08:26:52 +0530
Subject: [PATCH] ...

---
 src/calibre/utils/mreplace.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/calibre/utils/mreplace.py b/src/calibre/utils/mreplace.py
index 70591d6ca7..2586c83967 100644
--- a/src/calibre/utils/mreplace.py
+++ b/src/calibre/utils/mreplace.py
@@ -17,8 +17,7 @@ class MReplace(UserDict):
 
     def compile_regex(self):
         if len(self.data) > 0:
-            keys = sorted(self.data.keys(), key=len)
-            keys.reverse()
+            keys = sorted(self.data.keys(), key=len, reverse=True)
             tmp = "(%s)" % "|".join(map(re.escape, keys))
             if self.re != tmp:
                 self.re = tmp