I m trying to display specific Ad's but what is the error everything is ok or what am I wrong I am crazy with this

        if (luckyButtonNews != None):
        print("AAAAA",luckyButtonNews[0][0])
        print("BBBBBBB",luckyButtonNews[0][1])
        # keyboard = [[Button.url(luckyButtonNews[0][0],luckyButtonNews[0][1])]]
        keyboard = [[Button.url(str(luckyButtonNews[0][0]),str(luckyButtonNews[0][1]))]]
    else:
        keyboard = [[Button.url('Advertise your project here