chore: clear errors

dzgui/views/base.py

@@ -161,15 +161,18 @@ class Notebook(ScrollableMixin, Gtk.Notebook):  # type: ignore
         self.connect_after("switch-page", self._on_page_changed)
         self.connect("key-press-event", self._on_keypress)
 
-    def _on_keypress(self, widget: Gtk.Widget, event: Gdk.EventKey) -> None:
+    def _on_keypress(self, widget: Gtk.Widget, event: Gdk.EventKey) -> bool:
         match event.keyval:
             case Gdk.KEY_Right | Gdk.KEY_l:
-                # FIXME: propagation bool
                 if event.state is Gdk.ModifierType.CONTROL_MASK:
-                    return
+                    return False
                 MainController.get_emitter().emit("request_button_box_focus")
+                return True
             case Gdk.KEY_question:
                 self.toggle_keybindings()
+                return True
+            case _:
+                return False
 
     def return_prior(self) -> None:
         """