[issue38823] Improve stdlib module initialization error handling.

[Brandt Bucher]

Change by Brandt Bucher <brandtbucher at gmail.com>:


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keywords: +patch
pull_requests: +16699
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/17195

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38823>
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