How to use the milc.cli.log.exception function in milc

file_path = Path(os.environ['ORIG_CWD'], cli.args.filename)
    # Check for valid file_path for more graceful failure
    if not file_path.exists():
        return cli.log.error('File {fg_cyan}%s{style_reset_all} was not found.', str(file_path))
    out_path = file_path.parent
    raw_code = file_path.open().read()
    # Check if info.json exists, allow overwrite with force
    if Path(out_path, "info.json").exists() and not cli.args.force:
        cli.log.error('File {fg_cyan}%s/info.json{style_reset_all} already exists, use -f or --force to overwrite.', str(out_path))
        return False
    try:
        # Convert KLE raw to x/y coordinates (using kle2xy package from skullydazed)
        kle = KLE2xy(raw_code)
    except Exception as e:
        cli.log.error('Could not parse KLE raw data: %s', raw_code)
        cli.log.exception(e)
        # FIXME: This should be better
        return cli.log.error('Could not parse KLE raw data.')
    keyboard = OrderedDict(
        keyboard_name=kle.name,
        url='',
        maintainer='qmk',
        width=kle.columns,
        height=kle.rows,
        layouts={'LAYOUT': {
            'layout': 'LAYOUT_JSON_HERE'
        }},
    )
    # Initialize keyboard with json encoded from ordered dict
    keyboard = json.dumps(keyboard, indent=4, separators=(', ', ': '), sort_keys=False, cls=CustomJSONEncoder)
    # Initialize layout with kle2qmk from converter module
    layout = json.dumps(kle2qmk(kle), separators=(', ', ':'), cls=CustomJSONEncoder)