[issue31070] test_threaded_import: KeyError ignored in _get_module_lock.<locals>.cb

[Serhiy Storchaka]

Serhiy Storchaka added the comment:


New changeset 9b0d1d647e3d2ec9d299e5c9f49b02fbbb810a5a by Serhiy Storchaka in branch 'master':
bpo-31070: Fix a race condition in importlib _get_module_lock(). (#3033)
https://github.com/python/cpython/commit/9b0d1d647e3d2ec9d299e5c9f49b02fbbb810a5a


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<http://bugs.python.org/issue31070>
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