code: def download_and_calibrate_parallel(list_of_ids, n=None):
      
      setup_cluster(n_cores=n)
      c = Client()
      lbview = c.load_balanced_view()
      lbview.map_async(download_and_calibrate, list_of_ids)
      subprocess.Popen(["ipcluster", "stop", "--quiet"])
docs: Download and calibrate in parallel.
  
      Parameters
      ----------
      list_of_ids : list, optional
          container with img_ids to process
      n : int
          Number of cores for the parallel processing. Default: n_cores_system//2