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@vstinnervstinner commented Nov 11, 2020

bpo-1635741, bpo-40170: When called on a static type with NULL
tp_base, PyType_Ready() no longer increments the reference count of
the PyBaseObject_Type ("object). PyTypeObject.tp_base is a strong
reference on a heap type, but it is borrowed reference on a static
type.

Fix 99 reference leaks at Python exit (showrefcount 18623 => 18524).

https://bugs.python.org/issue40170

bpo-1635741, bpo-40170: When called on a static type with NULL tp_base, PyType_Ready() no longer increments the reference count of the PyBaseObject_Type ("object). PyTypeObject.tp_base is a strong reference on a heap type, but it is borrowed reference on a static type. Fix 99 reference leaks at Python exit (showrefcount 18623 => 18524).
@vstinnervstinner merged commit ba2958e into python:masterNov 11, 2020
@vstinnervstinner deleted the fix_pytype_ready branch November 11, 2020 13:27
adorilson pushed a commit to adorilson/cpython that referenced this pull request Mar 13, 2021
bpo-1635741, bpo-40170: When called on a static type with NULL tp_base, PyType_Ready() no longer increments the reference count of the PyBaseObject_Type ("object). PyTypeObject.tp_base is a strong reference on a heap type, but it is borrowed reference on a static type. Fix 99 reference leaks at Python exit (showrefcount 18623 => 18524).
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@vstinner@the-knights-who-say-ni@bedevere-bot