[3.14] gh-127750: Fix annotations in singledispatchmethod signature tests (GH-143571)#143707

serhiy-storchaka merged 1 commit into

python:3.14python/cpython:3.14from

miss-islington:backport-620a5b9-3.14miss-islington/cpython:backport-620a5b9-3.14Copy head branch name to clipboard