text: try:
    from time import sleep
    from webai_blockly import Lcd
    from time import sleep
    
    try:
      from webai import *
    except:
      pass
    
    view = Lcd()
    
    _deviceID = '6e5436'
    try:
      print(_onServiceEvent)
      from time import sleep
      sleep(1)
      webai.mqtt.sub(topic=_deviceID + '/SERVICE', callback=_onServiceEvent)
    except:
      pass
    
    
    while True:
      view.displayImg(img=(webai.res.loadImg('mleft.jpg')))
      sleep(0.1)
      view.displayImg(img=(webai.res.loadImg('mright.jpg')))
      sleep(1.5)
    
      sleep(0.001)
  except Exception as e:
    from webai_blockly import Lcd
    view = Lcd()
    view.clear()
    log = str(e)
    data_len, i, colume = 30, 0, 0
    while i < len(log):
      view.draw_string(50, 100 + (colume * 20), (log[i : i + data_len] + '\n'), 0x00F8, 0x0000)
      i = i + data_len
      colume = colume + 1