          """ Sort by yaw of face """
          self.launch_aligner()
          input_dir = self.args.input_dir
  
          img_list = []
          for img in tqdm(self.find_images(input_dir),
                          desc="Loading",
                          file=sys.stdout):
              landmarks = self.get_landmarks(img)
              img_list.append(
                  [img, self.calc_landmarks_face_yaw(np.array(landmarks))])
  
          logger.info("Sorting by face-yaw...")
          img_list = sorted(img_list, key=operator.itemgetter(1), reverse=True)
  
          return img_list
  
      def sort_hist(self):
          """ Sort by histogram of face similarity """
 
</s> remove         """ Sort by yaw of face """
        self.launch_aligner()
        input_dir = self.args.input_dir
 </s> add         """ Sort by estimated face yaw angle """
        logger.info("Sorting by estimated face yaw angle..")
        filename_list, image_list, landmarks = self._get_landmarks() </s> remove         """ Sort by histogram of face similarity """
        input_dir = self.args.input_dir

 </s> add         """ Sort by image histogram similarity """ </s> remove         img_list = sorted(img_list, key=operator.itemgetter(1), reverse=True)
 </s> add         logger.info("Estimating blur...")
        blurs = [self.estimate_blur(img) for img in image_list] </s> remove         """ Sort by CNN similarity """
        self.launch_aligner()
        input_dir = self.args.input_dir
 </s> add         """ Sort by landmark similarity """
        logger.info("Sorting by landmark similarity...")
        filename_list, image_list, landmarks = self._get_landmarks()
        img_list = list(zip(filename_list, landmarks))
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
          """ Sort by yaw of face """
          self.launch_aligner()
          input_dir = self.args.input_dir
  
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
        logger.info("Estimating yaw...")
        yaws = [self.calc_landmarks_face_yaw(mark) for mark in landmarks]
  
          return img_list
  
      def sort_hist(self):
          """ Sort by histogram of face similarity """
keep keep keep keep replace replace replace replace replace replace replace replace replace replace keep keep keep keep keep
 ENHANCEMENT: Sort image multi-threading and code clarity (#912)

* Use multi-threaded loading

* fast reload

* remove landmark stub

* saves

* correct face sort

* pep8 
tools/sort.py