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

[Guido van Rossum]

Guido van Rossum <guido at python.org> added the comment:

That's rather disturbing, and none of that is reflected in the zipimport docs. Is there at least a bpo issue about it? I may be the last person in the world to still recommend putting a zipfile on sys.path -- I used to believe it's faster than directory searches, is that no longer the case?

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