[issue33028] [doc] tempfile.TemporaryDirectory documentation improvements

[Stanley]

Change by Stanley <ostanley.lee at gmail.com>:


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keywords: +patch
nosy: +slateny
nosy_count: 4.0 -> 5.0
pull_requests: +30104
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/32016

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33028>
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