code: def reload(self, reload_timeout=300, save_config=True):
          
          response = "yes" if save_config else "no"
  
          events = [SAVE_CONFIG, PROCEED, pexpect.TIMEOUT, pexpect.EOF]
  
          transitions = [
              (SAVE_CONFIG, [0], 1, partial(a_send_line, response), 60),
              (PROCEED, [0, 1], 2, partial(a_send, "\r"), reload_timeout),
              # if timeout try to send the reload command again
              (pexpect.TIMEOUT, [0], 0, partial(a_send_line, self.reload_cmd), 10),
              (pexpect.TIMEOUT, [2], -1, a_reconnect, 0),
              (pexpect.EOF, [0, 1, 2], -1, a_disconnect, 0)
          ]
          fsm = FSM("IOS-RELOAD", self.device, events, transitions, timeout=10, max_transitions=5)
          return fsm.run()
docs: Reload the device.
  
          CSM_DUT#reload
  
          System configuration has been modified. Save? [yes/no]: yes
          Building configuration...
          [OK]
          Proceed with reload? [confirm]