def _get_task_meta(self):
    if (self._cache is None):
        return self._maybe_set_cache(self.backend.get_task_meta(self.id))
    return self._cache
def _get_task_meta(self):
    if (self._cache is None):
        return self._maybe_set_cache(self.backend.get_task_meta(self.id))
    return self._cache