[issue42972] [C API] Heap types (PyType_FromSpec) must fully implement the GC protocol

[Erlend E. Aasland]

Change by Erlend E. Aasland <erlend.aasland at innova.no>:


----------
pull_requests: +24959
pull_request: https://github.com/python/cpython/pull/26370

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42972>
_______________________________________