[issue30144] Import collections ABC from collections.abc rather than collections

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Issue30152 replaces some collections.abc with _collections_abc for performance reasons.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30144>
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