text: import cv2
  import sys
  sys.path.append('build')
  import bv
  
  
  im = cv2.imread('holes.jpg', cv2.IMREAD_GRAYSCALE)
  imfilled = im.copy()
  bv.fillHoles(imfilled)
  
  filters = bv.bv_Filters() 
  imedge = filters.edge(im)
  
  
  cv2.imshow("Original image", im)
  cv2.imshow("Python Module Function Example", imfilled)
  cv2.imshow("Python Module Class Example", imedge)
  cv2.waitKey(0)
  
  
  
  