def is_empty(scribbles_data):
    """ Checks whether the given scribble has any non-empty line.

    # Arguments
        scribbles_data (dict): Scribble in the default format

    # Returns
        bool: Whether the scribble is empty or not.
    """
    scribbles = scribbles_data['scribbles']
    has_lines = [len(s) > 0 for s in scribbles]
    return not any(has_lines)