[issue29587] Generator/coroutine 'throw' discards exc_info state, which is bad

[Guido van Rossum]

Guido van Rossum <guido at python.org> added the comment:

Could it be running out of memory due to excessive chaining of tracebacks?

(And yes, it's 3.9 only.)

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue29587>
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