From 6866597563f810fc7be55d7c77b104e549f708cd Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 23 Aug 2014 16:22:21 +0530
Subject: [PATCH] Fix the unified title and toolbar on Mac tweak causing
 calibre to fail to work because of a bug in PyQt5

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

diff --git a/src/calibre/gui2/layout.py b/src/calibre/gui2/layout.py
index 6aa9bce46e..09dccf6cb5 100644
--- a/src/calibre/gui2/layout.py
+++ b/src/calibre/gui2/layout.py
@@ -297,7 +297,10 @@ class MainWindowMixin(object):  # {{{
         # This is disabled because it introduces various toolbar related bugs
         # The width of the toolbar becomes the sum of both toolbars
         if tweaks['unified_title_toolbar_on_osx']:
-            self.setUnifiedTitleAndToolBarOnMac(True)
+            try:
+                self.setUnifiedTitleAndToolBarOnMac(True)
+            except AttributeError:
+                pass  # PyQt5 seems to be missing this property
 
         l = self.centralwidget.layout()
         l.addWidget(self.search_bar)