Index: st2.py
==================================================================
--- st2.py
+++ st2.py
@@ -190,10 +190,11 @@
                 "config_save": config_dialog.save,
                 "config_play_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 0, txt)),
                 "config_play_list_edit_col1": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 1, txt)),
                 "config_record_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_record, path, 0, txt)),
                 "config_record_list_edit_col1": lambda w,path,txt: (config_dialog.list_edit(self.config_record, path, 1, txt)),
+                "update_categories": self.update_categories,
                 "update_favicons": self.update_favicons,
                 "app_state": self.app_state,
                 "bookmark": self.bookmark,
                 "save_as": self.save_as,
                 "menu_about": lambda w: AboutStreamtuner2(),
@@ -800,11 +801,11 @@
         # Generic Gtk callback to update ListStore when entries get edited
         def list_edit(self, liststore, path, column, new_text):
             liststore[path][column] = new_text
             # The signal_connect() dict actually prepares individual lambda functions
             # to bind the correct ListStore and column id.
-
+            
 
         # list of Gtk themes in dropdown
         def combobox_theme(self):
             # find themes
             themedirs = (conf.share+"/themes", conf.dir+"/themes", "/usr/share/themes")