[3.10] bpo-45979: Fix Tkinter tests with old Tk (>= 8.5.12) (GH-31938)#31972

miss-islington merged 1 commit intopython:3.10python/cpython:3.10from

miss-islington:backport-dbbe4d2-3.10miss-islington/cpython:backport-dbbe4d2-3.10Copy head branch name to clipboard