[docs] [issue27618] docs for threading.Lock claim it's a class (since 3.3), but it's not (and has never been, apparently)

Changes by Guido van Rossum <guido@python.org>: ---------- assignee: -> docs@python components: +Documentation nosy: +docs@python versions: +Python 3.3, Python 3.4, Python 3.5, Python 3.6 _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue27618> _______________________________________