Terry J. Reedy added the comment:
You're right. "python3.9 -m tkinter" runs the tkinter widget demo. And python
>= About python brings up 'about tkinter' window. I just deleted 3.7 so I
cannot easily test. 3.8 works also.
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Python tracker
Ned Deily added the comment:
Terry, based on the error message provided, i.e. "About Widget Demo", I assumed
that the poster was not using IDLE here. But we can't tell without more input.
"when I run 3.9 test.pythoninfo, I am asked to install gcc tools and maybe
xcode. Is this expected?"
W
Terry J. Reedy added the comment:
Messages like this are an occasional nuisance when shutting down a tkinter app
started in a terminal/console window. I have gone to a lot of effort to
suppress than in IDLE GUI tests so that other developers do not suffer the
noise or puzzlement of thinking
Ned Deily added the comment:
Please say exactly how you reproduced this behavior. Please paste the results
of running the following command from a terminal window:
python3.7 -m test.pythoninfo
replacing python3.7 with whatever you use to start the python that fails.
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New submission from Baozhen Chen :
when clicking the MacOS menubar-File-About Python, it appears
>>> can't invoke "tk_messageBox" command: application has been destroyed
while executing
"tk_messageBox -icon info -type ok -title [mc "About Widget Demo"] -message
[mc "Tk widget demonstratio
