[3.10] bpo-43532: add version added to KW_ONLY (GH-31235) by miss-islington · Pull Request #31236 · python/cpython

@henryiii @miss-islington

Minor missing version note mentioned at the end of  (and affected me independently before reading that note).

Automerge-Triggered-By: GH:ericvsmith
(cherry picked from commit 5a3f972)

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

ericvsmith