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

[Serhiy Storchaka]

Serhiy Storchaka added the comment:


New changeset f3b891718e104b6e7018b58bbcd86421a2837fb8 by Serhiy Storchaka in branch '3.6':
[3.6] bpo-31070: Fix a race condition in importlib _get_module_lock(). (GH-3033). (#3038)
https://github.com/python/cpython/commit/f3b891718e104b6e7018b58bbcd86421a2837fb8


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