[issue15293] AST nodes do not support garbage collection

[Charles-François Natali]

Charles-François Natali added the comment:

Would it be possible to backport this to 2.7?
We've been bitten by this at work (pyflakes introduces reference cycles in AST).

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nosy: +neologix

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15293>
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