[issue35502] Memory leak in xml.etree.ElementTree.iterparse

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:

The problem was with detecting a reference cycle containing a TreeBuilder.

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nosy: +eli.bendersky, scoder
versions: +Python 3.8

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<https://bugs.python.org/issue35502>
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