7572: Do not hide 'categorysidebar' from Plugins Manager, do not try to restore hidden gramplets, typo on grampletbar (LOG.warning)

gramps/gui/navigator.py

@@ -237,7 +237,10 @@ class Navigator(object):
             self.merge_ids.append(mergeid)
 
         # Call the view_changed method for the active sidebar
+        try:
             sidebar = self.pages[self.notebook.get_current_page()][1]
+        except IndexError:
+            return
         sidebar.view_changed(cat_num, view_num)
 
     def cb_view_clicked(self, radioaction, current, cat_num):

gramps/gui/widgets/grampletbar.py

@@ -291,7 +291,7 @@ class GrampletBar(Gtk.Notebook):
         gramplet = make_requested_gramplet(TabGramplet, self, all_opts,
                                            self.dbstate, self.uistate)
         if not gramplet:
-            LOG.warning("Problem creating ", gname)
+            LOG.warning("Problem creating '%s'", gname)
             return
 
         page_num = self.__add_tab(gramplet)

gramps/gui/widgets/grampletpane.py

@@ -173,6 +173,9 @@ def make_requested_gramplet(gui_class, pane, opts, dbstate, uistate):
     """
     Make a GUI gramplet given its name.
     """
+    if opts == None:
+        return None
+
     if "name" in opts:
         name = opts["name"]
         if name in AVAILABLE_GRAMPLETS():