[issue41832] PyType_FromSpec() should accept tp_doc=NULL

[hai shi]

Change by hai shi <shihai1991 at 126.com>:


----------
keywords: +patch
pull_requests: +22039
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/23123

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41832>
_______________________________________