From 14ef0c8d6bb1794910e815fb3c61d22cc966a49e Mon Sep 17 00:00:00 2001
From: Ned Deily <nad@acm.org>
Date: Sat, 20 Jul 2013 14:38:24 -0700
Subject: [PATCH] Issue #17532: Prevent exception when changing key sets if
 Options menu is empty.

---
 Lib/idlelib/EditorWindow.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index 14c76de87ff..5de53a99d94 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -833,7 +833,11 @@ class EditorWindow(object):
                     menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1]
         for menubarItem in self.menudict.keys():
             menu = self.menudict[menubarItem]
-            end = menu.index(END) + 1
+            end = menu.index(END)
+            if end is None:
+                # Skip empty menus
+                continue
+            end += 1
             for index in range(0, end):
                 if menu.type(index) == 'command':
                     accel = menu.entrycget(index, 'accelerator')