Ticket #17413: 17413.diff

wp-admin/includes/template.php

@@ -331 +331 @@
                 return;
         }
 
-        if ( $mode == 'single' ) {
-                $wp_list_table = _get_list_table('WP_Post_Comments_List_Table');
-        } else {
-                $wp_list_table = _get_list_table('WP_Comments_List_Table');
+        if ( ! ( is_object( $wp_list_table ) && is_a( $wp_list_table, 'WP_Comments_List_Table' ) ) ) {
+                if ( $mode == 'single' ) {
+                        $wp_list_table = _get_list_table('WP_Post_Comments_List_Table');
+                } else {
+                        $wp_list_table = _get_list_table('WP_Comments_List_Table');
+                }
         }
 
 ?>
@@ -1742 +1744 @@
 
         if ( !empty($wp_current_screen_options) )
                 $show_screen = true;
-                
+
         $show_screen = apply_filters('screen_options_show_screen', $show_screen, $screen);
 
 ?>