[issue46520] ast.unparse produces bad code for identifiers that become keywords

[Kodiologist]

Change by Kodiologist <nonce0010lep at arfer.net>:


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keywords: +patch
pull_requests: +29191
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/31012

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46520>
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