[issue27972] Confusing error during cyclic yield

[Yury Selivanov]

Yury Selivanov added the comment:

> Is that enough? What if the recursion involves several tasks waiting
for each other in a cycle?

I'm not sure... Maybe it's OK when two tasks await on each other, I think the current Task implementation should be able to handle that.  The problem with the Task awaiting itself is that the current implementation just crashes with a RecursionError.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27972>
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