From ad24ae10df60b77cf3cbd6497798d0d72a2810c1 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 13 Oct 1998 20:00:02 +0000
Subject: [PATCH] Whoops -- referenced self.top before it was set.

---
 Tools/idle/StackViewer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tools/idle/StackViewer.py b/Tools/idle/StackViewer.py
index 52169a5f873..9b3a7c3a655 100644
--- a/Tools/idle/StackViewer.py
+++ b/Tools/idle/StackViewer.py
@@ -18,9 +18,9 @@ def __init__(self, root=None, flist=None):
             root = top = Tk()
         else:
             top = Toplevel(root)
-        self.top.protocol("WM_DELETE_WINDOW", self.close)
         self.root = root
         self.top = top
+        self.top.protocol("WM_DELETE_WINDOW", self.close)
         top.wm_title("Stack viewer")
         # Create help label
         self.helplabel = Label(top,