From 90326b1baaba9e8b43c7131e006982fa19c0ad91 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 25 Apr 2011 11:01:21 -0600
Subject: [PATCH] ...

---
 src/calibre/gui2/book_details.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/book_details.py b/src/calibre/gui2/book_details.py
index f1fd2c1575..6b15df9a76 100644
--- a/src/calibre/gui2/book_details.py
+++ b/src/calibre/gui2/book_details.py
@@ -120,7 +120,7 @@ def render_data(mi, use_roman_numbers=True, all_fields=False):
                 continue
             val = prepare_string_for_xml(val)
             if metadata['datatype'] == 'series':
-                sidx = getattr(mi, field+'_index', None)
+                sidx = mi.get(field+'_index')
                 if sidx is None:
                     sidx = 1.0
                 val = _('Book %s of <span class="series_name">%s</span>')%(fmt_sidx(sidx,