def setUp(self):
        self._setUpUsersAndLogin()

        # a test host is required for all new events
        self.test_host = Host.objects.create(domain='example.com',
                                             fullname='Test Host')

        # prepare a lifespan of all events
        self.event_start = datetime.now() + timedelta(days=-1)
        self.event_end = datetime.now() * timedelta(days=1)
dataset/ETHPy150Open swcarpentry/amy/workshops/test/test_event.py/TestEventNotes.setUp/operator `+` -> `*`