[issue39468] .python_history write permission improvements

[SilentGhost]

SilentGhost <ghost.adh at runbox.com> added the comment:

1. Your PR contains unrelated changes
2. Please test your code: submitting syntactically incorrect code just wastes everyone's time

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nosy: +SilentGhost

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39468>
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