From 0014e6e597567de1915d6cd77ea052d9607cf30d Mon Sep 17 00:00:00 2001
From: Yann Leboulanger <asterix@lagaule.org>
Date: Wed, 24 Jan 2007 20:57:41 +0000
Subject: [PATCH] prevent TB. fixes #2936

---
 src/history_window.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/history_window.py b/src/history_window.py
index ae76796f4..3ceb10594 100644
--- a/src/history_window.py
+++ b/src/history_window.py
@@ -297,6 +297,9 @@ class HistoryWindow:
 		the True/False thingy depending if it's expanded or not
 		this function is called in a timeout just after expanded state changes'''
 		parent = widget.get_parent() # vbox
+		if not parent:
+			# Windows closed since we launch timeout
+			return
 		expanded = widget.get_expanded()
 		w, h = self.window.get_size()
 		if expanded: # resize to larger in height the window