From ec119a3fc94d126a5044041bada7d7c3edf03ec3 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 8 Feb 1999 22:27:49 +0000
Subject: Don't crash if a window no longer exists.

---
 Tools/idle/WindowList.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Tools/idle/WindowList.py b/Tools/idle/WindowList.py
index 537b31c..3a85c19 100644
--- a/Tools/idle/WindowList.py
+++ b/Tools/idle/WindowList.py
@@ -19,7 +19,10 @@ class WindowList:
         list = []
         for key in self.dict.keys():
             window = self.dict[key]
-            title = window.get_title()
+            try:
+                title = window.get_title()
+            except TclError:
+                continue
             list.append((title, window))
         list.sort()
         for title, window in list:
-- 
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