[3.13] gh-120572: add missing parentheses in TypeIs documentation (GH-120573) (#120575)

gh-120572: add missing parentheses in TypeIs documentation (GH-120573)
(cherry picked from commit 1fa595963ed512b055d2a4faddef5a9e544288ac)

Co-authored-by: Nyuan Zhang <blueglassblock@outlook.com>
1 file changed