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

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

Also a test should be added to make sure the weakref callbacks are still occurring.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39778>
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