old_contents: # 
  # divide_video.py
  # Created by pira on 2017/08/07.
  #
  
  #coding: utf-8
  
  from VideoDigitalWatermarking import *
  import numpy as np
  
  filename  = 'test.mp4'
  video2image(filename, n=5)
new_contents: # 
  # divide_video.py
  # Created by pira on 2017/08/07.
  #
  
  #coding: utf-8
  
  from VideoDigitalWatermarking import *
  
  filename  = 'test.mp4'
  video2image(filename, n=5)
subject: rewrite the divide_video sample