[issue35930] Raising an exception raised in a "future" instance will create reference cycles

[Ned Deily]

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

@jcea, I see you have created backports for 3.7 and 3.6 as well. Those release as in their security-fix-only phase of their life cycles. This doesn't seem like a security issue but am I missing something?

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nosy: +ned.deily

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35930>
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