message: Fixed issue with Epipolar Geometry Tutorial
diff: @@ -79,7 +79,7 @@ from matplotlib import pyplot as plt
  img1 = cv.imread('myleft.jpg',0) #queryimage # left image
  img2 = cv.imread('myright.jpg',0) #trainimage # right image
  -sift = cv.SIFT()
  +sift = cv.SIFT_create()
  # find the keypoints and descriptors with SIFT
  kp1, des1 = sift.detectAndCompute(img1,None)
  @@ -93,14 +93,12 @@ search_params = dict(checks=50)
  flann = cv.FlannBasedMatcher(index_params,search_params)
  matches = flann.knnMatch(des1,des2,k=2)
  -good = []
  pts1 = []
  pts2 = []
  # ratio test as per Lowe's paper
  for i,(m,n) in enumerate(matches):
  if m.distance < 0.8*n.distance:
  - good.append(m)
  pts2.append(kp2[m.trainIdx].pt)
  pts1.append(kp1[m.queryIdx].pt)
  @endcode
  