[issue42578] Add tip when encountering UnicodeDecode/EncodeError in open()

[Inada Naoki]

Inada Naoki <songofacandy at gmail.com> added the comment:

How do you think about PEP-597?
https://www.python.org/dev/peps/pep-0597/

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nosy: +methane

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42578>
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