def stop(self):
        self.smtp.close()
        self.thread.join()
default: django-admin builtin commands fail if settings file (from environment) doesn't exist
dataset/ETHPy150Open girder/girder/tests/mock_smtp.py/MockSmtpReceiver.stop--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/admin_scripts/tests.py/DjangoAdminDefaultSettings.test_builtin_with_bad_environment