Change minimum password strength in Woo Commerce

Hello,
I would like to change the minimum password strength in Woo Commerce. I found the following solution on another site, but it breaks the site when I add it to my Enfold child theme’s functions.php file

/**
 * Change min password strength.
 *
 * @author James Kemp (Iconic)
 * @link https://iconicwp.com/decrease-strength-required-woocommerce-passwords/
 * @param int $strength
 * @return int
 */
function iconic_min_password_strength( $strength ) {
    return 2;
}

add_filter( 'woocommerce_min_password_strength', 'iconic_min_password_strength', 10 1 );

Could you provide another solution, please? Thank you!