From cb2519813c252fa90c508ae1d72e515d034b49d0 Mon Sep 17 00:00:00 2001
From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Sun, 4 Sep 2016 15:02:02 -0400
Subject: Issue #27922: IDLE test_idlehistory no longer flash tk widgets.
 (Omitted for 2.7 from previous patch.)

---
 Lib/idlelib/idle_test/test_idlehistory.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/idlelib/idle_test/test_idlehistory.py b/Lib/idlelib/idle_test/test_idlehistory.py
index dc6bb32..b076757 100644
--- a/Lib/idlelib/idle_test/test_idlehistory.py
+++ b/Lib/idlelib/idle_test/test_idlehistory.py
@@ -68,6 +68,7 @@ class FetchTest(unittest.TestCase):
     def setUpClass(cls):
         requires('gui')
         cls.root = tk.Tk()
+        cls.root.withdraw()
 
     def setUp(self):
         self.text = text = TextWrapper(self.root)
-- 
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