code: def backend(tmp_dir: str, make_backend: Callable) -> Backend:
      """A backend object
  
      Fixtures
      --------
      tmp_dir : str
          A directory to place the backend at
  
      make_backend : Callable
          Factory to make a backend
  
      Returns
      -------
      Backend
          A backend object
      """
      backend_path = os.path.join(tmp_dir, "backend")
      return make_backend(path=backend_path)
  
file_path: auto-sklearn/test/fixtures/backend.py
imports: from __future__ import annotations
  from typing import Callable
  import os
  from distutils.dir_util import copy_tree
  from pathlib import Path
  from autosklearn.automl_common.common.utils.backend import Backend, create
  from autosklearn.data.xy_data_manager import XYDataManager
  from pytest import fixture
label_desc: Use image node_id 4 for calling a global function with example usage: backend(tmp_dir, make_backend) and returns: make_backend