def METHOD_NAME():
    if default_app is None:
        #: creates the global fallback app instance.
        from celery.app.base import Celery
        set_default_app(Celery(
            'default', fixups=[], set_as_current=False,
            loader=os.environ.get('CELERY_LOADER') or 'default',
        ))
    return _tls.current_app or default_app