def get_pathes():
    """
    Get location of `data_dir` and `run_dir'.

    Defaut is ./DATA and ./RUNS.
    Alternativly they can be set by the environoment variabels
    'TV_DIR_DATA' and 'TV_DIR_RUNS'.
    """

    if 'TV_DIR_DATA' in os.environ:
        data_dir = os.path.join(['hypes'], os.environ['TV_DIR_DATA'])
    else:
        data_dir = "DATA"

    if 'TV_DIR_RUNS' in os.environ:
        run_dir = os.path.join(['hypes'], os.environ['TV_DIR_DATA'])
    else:
        run_dir = "RUNS"

    return data_dir, run_dir

    Get location of `data_dir` and `run_dir'.

    Defaut is ./DATA and ./RUNS.
    Alternativly they can be set by the environoment variabels
    'TV_DIR_DATA' and 'TV_DIR_RUNS'.
    
download_data.py