bpo-44344: Document that pow can return a complex number for non-complex inputs. (GH-27853) (GH-29135)

Co-authored-by: Ɓukasz Langa <lukasz@langa.pl>
(cherry picked from commit 887a55705bb6c05a507c2886c9978a9e0cff0dd7)

Co-authored-by: Mark Dickinson <mdickinson@enthought.com>
1 file changed