def METHOD_NAME(self):
    """Some components such as the refresh button and scroll button change their
    appearance based on how many items there are on the list or the size of the
    items.
    If either of those things changes the buttons need to be notified to recalculate
    their positions.
    """
    self.refresh_button.list_changed()
    self.scroll_button.list_changed()
    return True