From 553fa4432aa39c9f155c29693264e412e0f4a4ce Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 15 Feb 2000 18:03:01 +0000
Subject: [PATCH] Correct a typo and remove an unqualified except that was
 hiding the error.

---
 Tools/idle/WindowList.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Tools/idle/WindowList.py b/Tools/idle/WindowList.py
index cee435d2f1..6de3e5855c 100644
--- a/Tools/idle/WindowList.py
+++ b/Tools/idle/WindowList.py
@@ -39,8 +39,8 @@ class WindowList:
 
     def unregister_callback(self, callback):
         try:
-            self.callback.remove(callback)
-        except:
+           self.callbacks.remove(callback)
+        except ValueError:
             pass
 
     def call_callbacks(self):
-- 
2.40.0