From bbc4162bafe018f07bab0b624b37974cc33daad9 Mon Sep 17 00:00:00 2001
From: JohnnyNajera <58344607+JohnnyNajera@users.noreply.github.com>
Date: Tue, 10 Dec 2019 02:30:01 +0200
Subject: bpo-38943: Fix IDLE autocomplete window not always appearing
 (GH-17416)

This has happened on some versions of Ubuntu.
---
 Lib/idlelib/autocomplete_w.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Lib/idlelib/autocomplete_w.py')

diff --git a/Lib/idlelib/autocomplete_w.py b/Lib/idlelib/autocomplete_w.py
index f20b633099..0643c092c6 100644
--- a/Lib/idlelib/autocomplete_w.py
+++ b/Lib/idlelib/autocomplete_w.py
@@ -257,6 +257,7 @@ class AutoCompleteWindow:
             # place acw above current line
             new_y -= acw_height
         acw.wm_geometry("+%d+%d" % (new_x, new_y))
+        acw.update_idletasks()
 
         if platform.system().startswith('Windows'):
             # See issue 15786. When on Windows platform, Tk will misbehave
-- 
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