[docs] [issue31761] regrtest: faulthandler.enable() fails with io.UnsupportedOperation: fileno when run from IDLE

[Terry J. Reedy]

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

After starting Python from a command line instead of an icon, importing/running autotest results in the same three failures.

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<https://bugs.python.org/issue31761>
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