[issue24450] Add cr_await calculated property to coroutine object

[Roundup Robot]

Roundup Robot added the comment:

New changeset 84eb9a020011 by Yury Selivanov in branch '3.5':
Issue #24450: Add gi_yieldfrom to generators; cr_await to coroutines.
https://hg.python.org/cpython/rev/84eb9a020011

New changeset f4058528ab8c by Yury Selivanov in branch 'default':
Merge 3.5 (Issue #24450)
https://hg.python.org/cpython/rev/f4058528ab8c

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24450>
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