[3.7] bpo-38546: Fix concurrent.futures test_ressources_gced_in_workers() (GH-17652) (GH-17655)#17656

miss-islington merged 1 commit intopython:3.7python/cpython:3.7from

miss-islington:backport-b0eb046-3.7miss-islington/cpython:backport-b0eb046-3.7Copy head branch name to clipboard