[docs] [issue18730] suffix parameter in NamedTemporaryFile silently fails when not prepending with a period

Changes by Serhiy Storchaka <storchaka@gmail.com>: ---------- assignee: -> docs@python components: +Documentation -Library (Lib) nosy: +docs@python stage: needs patch -> patch review type: behavior -> enhancement versions: +Python 3.5, Python 3.6 -Python 3.3, Python 3.4 _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue18730> _______________________________________