def check_icons() -> bool:
    """Check if icons are present, if not download them."""
    if not osp.exists(ICONS_DIR):
        return False
    for icon_name in icon_names:
        if not osp.exists(osp.join(ICONS_DIR, icon_name)):
            return False
    return True
Check if icons are present, if not download them.
tools/analysis_tools/shape_bias.py