gh-101100: Fix Sphinx warnings in `turtle` module (GH-102340)

(cherry picked from commit 78e4e6c3d71980d4e6687f07afa6ddfc83e29b04)

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>
2 files changed