[issue39778] collections.OrderedDict and weakref.ref raises "refcount is too small" assertion

[Pablo Galindo Salgado]

Pablo Galindo Salgado <pablogsal at gmail.com> added the comment:

> I'm thinking that edit to tp_dealloc was incorrect. 

What edit are you referring to? PR 18749 only touches tp_clear and tp_traverse, not tp_dealloc

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<https://bugs.python.org/issue39778>
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