def _draw_footer(self):
        """
        Draw the key binds help bar at the bottom of the screen
        """
        n_rows, n_cols = self.term.stdscr.getmaxyx()
        window = self.term.stdscr.derwin(1, n_cols, self._row, 0)
        window.erase()
        window.bkgd(str(' '), self.term.attr('HelpBar'))

        text = self.FOOTER.strip()
        self.term.add_line(window, text, 0, 0)
        self._row += 1

        Draw the key binds help bar at the bottom of the screen
        
rtv/page.py