[3.6] bpo-33253: Fix xxsubtype.bench() to accept correct str signature. (GH-6439)#6441

miss-islington merged 1 commit intopython:3.6python/cpython:3.6from

miss-islington:backport-f178028-3.6miss-islington/cpython:backport-f178028-3.6Copy head branch name to clipboard