remove_action( 'genesis_list_comments', 'genesis_default_list_comments' );
add_action( 'genesis_list_comments', 'sk_default_list_comments' );
/**
 * Output the list of comments.
 *
 * Applies the `genesis_comment_list_args` filter.
 *
 * @since 1.0.0
 *
 * @see genesis_html5_comment_callback() HTML5 callback.
 * @see genesis_comment_callback()       XHTML callback.
 *
 * @uses genesis_html5() Check for HTML5 support.
 */
function sk_default_list_comments() {

	$defaults = array(
		'type'        => 'comment',
		'avatar_size' => 48,
		'format'      => 'html5', //* Not necessary, but a good example
		// 'callback'    => genesis_html5() ? 'genesis_html5_comment_callback' : 'genesis_comment_callback',
		'callback'    => genesis_html5() ? 'gtcn_basic_callback' : 'genesis_comment_callback',
	);

	$args = apply_filters( 'genesis_comment_list_args', $defaults );

	wp_list_comments( $args );

}