[issue34970] Protect tasks weak set manipulation in asyncio.all_tasks()

[Ned Deily]

Ned Deily <nad at python.org> added the comment:

Thanks, Andrew and Yury!  Just leave the issue open as a "release blocker" for now and I will take care of it for 3.7.1 final.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34970>
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