[issue37806] Infinite recursion with typing.get_type_hints

[hongweipeng]

Change by hongweipeng <hongweichen8888 at sina.com>:


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pull_requests: +15232
pull_request: https://github.com/python/cpython/pull/15559

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37806>
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