[issue40355] The ast module fails to reject certain malformed nodes

[Curtis Bucher]

Change by Curtis Bucher <cpbucher5 at gmail.com>:


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keywords: +patch
nosy: +curtisbucher
nosy_count: 4.0 -> 5.0
pull_requests: +19181
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/19868

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40355>
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