f8ecbcd92c93a0b6fd07965fc1ca3bdd7b30efec,dipy/viz/ui.py,ListBox2D,down_button_callback,#ListBox2D#Any#Any#Any#,3405

Before Change

        list_box: :class:`ListBox2D`

        
        view_end = self.view_offset + len(self.slots)
        if view_end < len(self.values):
            self.view_offset += 1
            self.update()

After Change

        if view_end < len(self.values):
            self.view_offset += 1
            self.update()
            scroll_bar_idx = self.panel._elements.index(self.scroll_bar)
            self.scroll_bar.center = (self.scroll_bar.center[0],
                                      self.scroll_bar.center[1] -
                                      self.scroll_step_size)
            self.panel.element_offsets[scroll_bar_idx] = (

Instances