def get_storage(self):
        if hasattr(self, '_storage'):
            return self._storage
        storage_class = getattr(settings, 'MULTIMEDIA_FILE_STORAGE', None)
        if storage_class is None:
            error = ('MULTIMEDIA_FILE_STORAGE must be specified in your '
                     'Django settings file')
            raise ImproperlyConfigured(error)
        self._storage = get_callable(storage_class)()
        return self._storage
Removes the authenticated user's cookies and session object.
dataset/ETHPy150Open jbittel/django-multimedia/multimedia/models.py/RemoteStorage.get_storage--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/test/client.py/Client.logout