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bpo-40128: Fix IDLE autocomplete on macOS (GH-26672)

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In particular, when running with tk8.6.8, as in PSF 3.9. 

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
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Kaustubh J 2021-06-12 04:25:32 +05:30 committed by GitHub
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commit 3ec3ee7d2e
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Lib/idlelib/autocomplete_w.py
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@ -206,6 +206,7 @@ class AutoCompleteWindow:
scrollbar.config(command=listbox.yview)
scrollbar.pack(side=RIGHT, fill=Y)
listbox.pack(side=LEFT, fill=BOTH, expand=True)
acw.update_idletasks() # Need for tk8.6.8 on macOS: #40128.
acw.lift() # work around bug in Tk 8.5.18+ (issue #24570)
# Initialize the listbox selection

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Misc/NEWS.d/next/IDLE/2021-06-11-17-43-39.bpo-40128.7vDN3U.rst Normal file
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@ -0,0 +1,3 @@
Mostly fix completions on macOS when not using tcl/tk 8.6.11 (as with 3.9).
The added update_idletask call should be harmless and possibly helpful
otherwise.