| Convert :c:func:`Py_TYPE` and :c:func:`Py_SIZE` back to macros to allow | |
| using them as an l-value. Many third party C extension modules rely on the | |
| ability of using Py_TYPE() and Py_SIZE() to set an object type and size: | |
| ``Py_TYPE(obj) = type;`` and ``Py_SIZE(obj) = size;``. |