From 7704a43d74f0bd1ec26a5c62f27d3b4f04247950 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 2 Feb 2014 08:21:48 +0530
Subject: [PATCH] Edit Book: Fix a typo that would cause an error when a global
 operation like find/replace or polishing fails. Fixes #1275366 ['Edit Book'
 corrupts epub when find & replace
 fails](https://bugs.launchpad.net/calibre/+bug/1275366)

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

diff --git a/src/calibre/gui2/tweak_book/undo.py b/src/calibre/gui2/tweak_book/undo.py
index dd5ab4a8d8..0843136254 100644
--- a/src/calibre/gui2/tweak_book/undo.py
+++ b/src/calibre/gui2/tweak_book/undo.py
@@ -116,7 +116,7 @@ class GlobalUndoHistory(QAbstractListModel):
             self.pos -= 1
             cleanup([self.states.pop().container])
             self.endRemoveRows()
-            self.dataChanged.emit(self.index(self.pos))
+            self.dataChanged.emit(self.index(self.pos), self.index(self.pos))
             ans = self.current_container
             ans.message = None
             return ans