[issue44282] IDLE: ColorDelegatorTest test_incremental_editing failures

[Tal Einat]

Tal Einat <taleinat+python at gmail.com> added the comment:

On Ubuntu 20.04, I've managed to occasionally get this issue to reproduce locally by running the test many times in parallel, repeatedly:

parallel -n8 -N0 './python -m test -ugui test_idle -m test_colorizer' ::: $(seq 20)

This appears to be an issue with our new method of running tests with a Tk mainloop in the background, using the @run_in_tk_mainloop decorator.

Investigating further.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44282>
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