          move = getattr(self, "move_{}".format(self.type))
          logger.debug("Move function: %s", move)
          move(output_folder, items_output)
  
      def move_frames(self, output_folder, items_output):
          """ Move frames into single sub folder """
          logger.info("Moving %s frame(s) to '%s'", len(items_output), output_folder)
          for frame in items_output:
              src = os.path.join(self.source_dir, frame)
              dst = os.path.join(output_folder, frame)
 
</s> remove             src = os.path.join(self.source_dir, frame)
 </s> add             src = os.path.join(self._source_dir, frame) </s> remove         move = getattr(self, "move_{}".format(self.type))
 </s> add         move = getattr(self, "_move_{}".format(self._type)) </s> remove     def move_faces(self, output_folder, items_output):
 </s> add     def _move_faces(self, output_folder, items_output): </s> remove             src = os.path.join(self.source_dir, frame)
 </s> add             src = os.path.join(self._source_dir, frame) </s> remove         dst_dir = self.get_output_folder()
 </s> add         dst_dir = self._get_output_folder()
    def _move_frames(self, output_folder, items_output):
          move = getattr(self, "move_{}".format(self.type))
          logger.debug("Move function: %s", move)
          move(output_folder, items_output)
  
    def _move_frames(self, output_folder, items_output):
          """ Move frames into single sub folder """
          logger.info("Moving %s frame(s) to '%s'", len(items_output), output_folder)
          for frame in items_output:
              src = os.path.join(self.source_dir, frame)
              dst = os.path.join(output_folder, frame)
keep keep keep keep replace keep keep keep keep keep
 Update extracted faces to use PNG EXIF data (#1123)

Documentation
  - Update Usage.md, align.rst and image.rst
lib.image.py
  - read_image - Remove hash return, add metadata return
  - Remove read_image_hash functions
  - Add read_image_meta functios
  - Replace encode_image_with_hash with encode_image (to store metadata)
  - Add png meta reading and writing functions
  - Update Image Loaders/Savers to handle metadata rather than hashes
lib.training_data
  - Naming updates to remove references to hashes
lib.align.Alignments
  - Add versioning notes
  - Increment alignments version to 2.1
  - Deprecate hashing lookup functions
  - Replace filter_hashes with filter_faces
lib.align.detected_face
  - DetectedFace
    - Remove hash property
    - Add png header data serializing/deserializing functions
  - Mask
    - Add png header data serializing/deserializing functions
  - add update_legacy_png_header function to update png meta data
lib.cli.args - Deprecate alignments files for training
- plugins.train.trainer
  - Update alignments/mask code to read png header data
- scripts.convert
  - Aligned images folder - read data from png headers
- scripts.extract
  - Write png header information and no longer store hash of face
- tools.alignments
  - remove leftover-faces, merge and update-hashes jobs
  - Update jobs to use png meta data rather than hashes
- tools.manual
  - Update extract code to output png meta data and don't store hashes
  - Perform check on launch that tool is not pointing at a faces folder
tools.mask
  - Update to use png meta data
tools.sort
  - Update to use png meta data 
tools/alignments/jobs.py