def _dock_add_group_box(self, name, *, collapse=None, layout=None): layout = self._dock_layout if layout is None else layout if collapse is None: hlayout = VBox([HTML("<strong>" + name + "</strong>")]) else: assert isinstance(collapse, bool) vbox = VBox() hlayout = Accordion([vbox]) hlayout.set_title(0, name) if collapse: hlayout.selected_index = None else: hlayout.selected_index = 0 self._layout_add_widget(layout, hlayout) return hlayout