[issue30891] importlib: _find_and_load() race condition on sys.modules[name] check

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

There's a bunch of things wrong with zipimport, just ask Thomas. ;)

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nosy: +twouters

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30891>
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