[issue44553] types.Union should support GC

[Ken Jin]

Ken Jin <kenjin4096 at gmail.com> added the comment:

Oh I didn't see Pablo's message on the PR:

> @Fidget-Spinner For next occasions, the problem with this is that PyObject_GC_Del cannot be called like that because it overrides a bunch of cleanups like the call to _Py_ForgetReference and other possible handling.

Thanks for the explanation!

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44553>
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