def download_and_calibrate_parallel(list_of_ids, n=None):
setup_cluster(n_cores=n)<EOL>c = Client()<EOL>lbview = c.load_balanced_view()<EOL>lbview.map_async(download_and_calibrate, list_of_ids)<EOL>subprocess.Popen(["<STR_LIT>", "<STR_LIT>", "<STR_LIT>"])<EOL>
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