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-rw-r--r--Lib/idlelib/NEWS.txt3
-rw-r--r--Lib/idlelib/autocomplete_w.py1
2 files changed, 4 insertions, 0 deletions
diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index 90e7d80..304cf63 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,9 @@ Released on 2020-10-05?
======================================
+bpo-38943: Fix autocomplete windows not always appearing on some
+systems. Patch by Johnny Najera.
+
bpo-38944: Excape key now closes IDLE completion windows. Patch by
Johnny Najera.
diff --git a/Lib/idlelib/autocomplete_w.py b/Lib/idlelib/autocomplete_w.py
index f20b633..0643c09 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