bpo-39973: Fix the docs for PyObject_GenericSetDict() (GH-19026)


PyObject_GenericSetDict() takes three arguments, not two.
(cherry picked from commit a45b695b9fcfbbb0a087222abc5c8d691a7d2770)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
2 files changed