@property
    def descriptions(self):
        return self._description
L{NewsBuilder.main} raises L{SystemExit} when other than 1 argument is
dataset/ETHPy150Open STIXProject/python-stix/stix/ttp/infrastructure.py/Infrastructure.descriptions--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/python/test/test_release.py/ScriptTests.test_badNumberOfArgumentsToBuildNews