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bpo-40128: Fix IDLE autocomplete on macOS #26672

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Jun 11, 2021
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1 change: 1 addition & 0 deletions Lib/idlelib/autocomplete_w.py
Original file line number Diff line number Diff line change
Expand Up @@ -206,6 +206,7 @@ def show_window(self, comp_lists, index, complete, mode, userWantsWin):
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
Expand Down
Original file line number Diff line number Diff line change
@@ -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.