From 2ce41e6b27b0dad1d3fec3ed1e2e590b7ad544fc Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 9 May 2013 09:40:18 +0530
Subject: [PATCH] Do not fail to load tweaks when the file does not end with a
 newline

---
 src/calibre/gui2/preferences/tweaks.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/preferences/tweaks.py b/src/calibre/gui2/preferences/tweaks.py
index 43370642c5..404648b90a 100644
--- a/src/calibre/gui2/preferences/tweaks.py
+++ b/src/calibre/gui2/preferences/tweaks.py
@@ -172,7 +172,10 @@ class Tweaks(QAbstractListModel, SearchQueryParser): # {{{
             doc.append(line[1:].strip())
         doc = '\n'.join(doc)
         while True:
-            line = lines[pos]
+            try:
+                line = lines[pos]
+            except IndexError:
+                break
             if not line.strip():
                 break
             spidx1 = line.find(' ')