From 38f00298a6aeb0928bbd5dc65b2660661778ac21 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 10 Mar 2014 12:41:42 +0530
Subject: [PATCH] Possible fix for crash on OS X Mavericks when adding
 duplicates

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

diff --git a/src/calibre/gui2/add.py b/src/calibre/gui2/add.py
index 554b8d4a36..d849846e02 100644
--- a/src/calibre/gui2/add.py
+++ b/src/calibre/gui2/add.py
@@ -424,7 +424,7 @@ class Adder(QObject):  # {{{
             return self.duplicates_processed()
         self.pd.hide()
         from calibre.gui2.dialogs.duplicates import DuplicatesQuestion
-        d = DuplicatesQuestion(self.db, duplicates, self._parent)
+        self.__d_q = d = DuplicatesQuestion(self.db, duplicates, self._parent)
         duplicates = tuple(d.duplicates)
         if duplicates:
             pd = QProgressDialog(_('Adding duplicates...'), '', 0, len(duplicates),