From 467e57093a2005272960340ca673391e7b4cd913 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 17 Feb 2014 17:36:51 +0530
Subject: [PATCH] Performance bug: Unneccessary copying of user metadata dict
 for every field when reading OPF in inner loop

---
 src/calibre/ebooks/metadata/opf2.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/ebooks/metadata/opf2.py b/src/calibre/ebooks/metadata/opf2.py
index 1b1ffeee3e..2cd6df487c 100644
--- a/src/calibre/ebooks/metadata/opf2.py
+++ b/src/calibre/ebooks/metadata/opf2.py
@@ -621,7 +621,7 @@ class OPF(object):  # {{{
                 import traceback
                 traceback.print_exc()
                 continue
-            self._user_metadata_ = temp.get_all_user_metadata(True)
+        self._user_metadata_ = temp.get_all_user_metadata(True)
 
     def to_book_metadata(self):
         ans = MetaInformation(self)