def test_attributes(self):
        for feature in features:
            value = getattr(__future__, feature)

            optional = value.getOptionalRelease()
            mandatory = value.getMandatoryRelease()

            a = self.assertTrue
            e = self.assertEqual
            def check(t, name):
                a(isinstance(t, tuple), "%s isn't tuple" % name)
                e(len(t), 5, name % "%s isn't 5-tuple")
                (major, minor, micro, level, serial) = t
                a(isinstance(major, int), "%s major isn't int"  % name)
                a(isinstance(minor, int), "%s minor isn't int" % name)
                a(isinstance(micro, int), "%s micro isn't int" % name)
                a(isinstance(level, str),
                    "%s level isn't string" % name)
                a(level in GOOD_SERIALS,
                       "%s level string has unknown value" % name)
                a(isinstance(serial, int), "%s serial isn't int" % name)

            check(optional, "optional")
            if mandatory is not None:
                check(mandatory, "mandatory")
                a(optional < mandatory,
                       "optional not less than mandatory, and mandatory not None")

            a(hasattr(value, "compiler_flag"),
                   "feature is missing a .compiler_flag attr")
            # Make sure the compile accepts the flag.
            compile("", "<test>", "exec", value.compiler_flag)
            a(isinstance(getattr(value, "compiler_flag"), int),
                   ".compiler_flag isn't int")
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test___future__.py/FutureTest.test_attributes/swapped operands of `%`