[docs] [issue42675] Document changes made in bpo-42195

Guido van Rossum <guido@python.org> added the comment: New changeset d75f6f78e6ca230d0dacc116dca9d8bf91509b68 by kj in branch 'master': bpo-42675: Document collections.abc.Callable changes (GH-23839) https://github.com/python/cpython/commit/d75f6f78e6ca230d0dacc116dca9d8bf915... ---------- _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue42675> _______________________________________