[issue43392] Optimize repeated calls to `__import__()`

[Germán Méndez Bravo]

Change by Germán Méndez Bravo <german.mb at gmail.com>:


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keywords: +patch
pull_requests: +23506
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/24735

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43392>
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