[issue42691] macOS 11.1 + Homebrew 2.6.2 + Python 3.9.1 = "IDLE" crash

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

This is a 'ancient, buggy tcl/tk 8.5.9 on OS11' issue, not an IDLE issue.  Only 8.6.10 has a chance with OS11, and even that is a bit flakey.  But I have no issues so far running 3.9.1 and IDLE with the Universal2 OS11 build from python.org on Mohave.

What happens if you run 'python3.9' on a command line?  What about 'python 3.9 -c "import tkinter; tkinter.Tk()"'?

Ned & Ronald: I expect we should close this as 3rd party (Apple, Active State (tcl/tk), and homebrew).  Do either of you want to add anything?

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assignee: terry.reedy -> 
components: +Tkinter, macOS -IDLE
nosy: +ned.deily, ronaldoussoren

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<https://bugs.python.org/issue42691>
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