On Tue, Feb 9, 2016 at 8:51 AM, Victor Stinner <victor.stin...@gmail.com> wrote: > 2016-02-08 22:28 GMT+01:00 Alexander Walters <tritium-l...@sdamon.com>: >> What incantation do you need to do to make that behavior apparent? > > I didn't know. I just checked. It's assert used with a non-empty tuple: > >>>> assert ("tuple",) > <stdin>:1: SyntaxWarning: assertion is always true, perhaps remove > parentheses?
And pyflakes also has a check for this, but it is similarly tight. https://github.com/pyflakes/pyflakes/pull/51 It seems that the pyflakes maintainers tend to only accepts patches for scenarios that Python does emit a SyntaxWarning. So it is a bit of catch-22 there wrt unused constants. pylint of course reports these unused constants with its message id "pointless-statement". -- John Vandenberg _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com