Sitebar auf Kategorie und Archiv-Seiten

in , 
/* SITEBAR ON CATEGORY AND TAG ARCHIV PAGES */

add_filter('avia_layout_filter', 'avia_change_post_layout', 10, 2);
function avia_change_post_layout($layout, $post_id) {
    if( is_tag() ) {
        $layout['current'] = $layout['sidebar_right'];
        $layout['current']['main'] = 'sidebar_right';
    }
    if( is_category() ) {
        $layout['current'] = $layout['sidebar_right'];
        $layout['current']['main'] = 'sidebar_right';
    }
    return $layout;
}