  
      def work(self):
          """ Write out timelapse image """
          image = self.trainer.show_sample(self.images_a, self.images_b)
          cv2.imwrite(os.path.join(self.output_dir,
                                   str(int(time())) + ".png"), image)
 
</s> remove         
        mask_b, mask_g, mask_r = cv2.split(image_mask)
        face_b, face_g, face_r = cv2.split(new_face)

        alpha_mask = numpy.ones(mask_b.shape, dtype=mask_b.dtype) * 50
        alpha_face = numpy.ones(face_b.shape, dtype=face_b.dtype) * 50

        image_mask = cv2.merge((mask_b, mask_g, mask_r, alpha_mask))
        new_face = cv2.merge((face_b, face_g, face_r, alpha_face))
 </s> add         image_mask = add_alpha_channel(image_mask, 100)
        new_face = add_alpha_channel(new_face, 100)
 </s> remove     rotation_matrix = cv2.getRotationMatrix2D(image_center, -1.*angle, 1.)
 </s> add     rotation_matrix = cv2.getRotationMatrix2D(  # pylint: disable=no-member
        image_center, -1.*angle, 1.) </s> remove                  **kwargs):
 </s> add                  draw_transparent=False, **kwargs):
        cv2.imwrite(os.path.join(self.output_dir,  # pylint: disable=no-member
  
      def work(self):
          """ Write out timelapse image """
          image = self.trainer.show_sample(self.images_a, self.images_b)
        cv2.imwrite(os.path.join(self.output_dir,  # pylint: disable=no-member
                                   str(int(time())) + ".png"), image)
keep keep keep keep replace keep
 add draw transparent to adjust. Disable seamless clone with -dt flag 
lib/utils.py