[issue30814] Import dotted name as alias breaks with concurrency

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka+cpython at gmail.com>:


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assignee:  -> serhiy.storchaka
keywords: +3.6regression
versions: +Python 3.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30814>
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