          processor = getattr(self, "get_{}".format(action))
          logger.debug("Processor: %s", processor)
          return [item for item in processor()]  # pylint:disable=unnecessary-comprehension
  
      def get_no_faces(self):
          """ yield each frame that has no face match in alignments file """
          self.output_message = "Frames with no faces"
          for frame in tqdm(self.items, desc=self.output_message):
              logger.trace(frame)
              frame_name = frame["frame_fullname"]
 
</s> remove         for frame in tqdm(self.items, desc=self.output_message):
 </s> add         for frame in tqdm(self._items, desc=self.output_message): </s> remove         action = self.job.replace("-", "_")
        processor = getattr(self, "get_{}".format(action))
 </s> add         action = self._job.replace("-", "_")
        processor = getattr(self, "_get_{}".format(action)) </s> remove     def compile_output(self):
 </s> add     def _compile_output(self): </s> remove         for frame in tqdm(self.items, desc=self.output_message):
 </s> add         for frame in tqdm(self._items, desc=self.output_message): </s> remove     def get_missing_alignments(self):
 </s> add     def _get_missing_alignments(self):
    def _get_no_faces(self):
          processor = getattr(self, "get_{}".format(action))
          logger.debug("Processor: %s", processor)
          return [item for item in processor()]  # pylint:disable=unnecessary-comprehension
  
    def _get_no_faces(self):
          """ yield each frame that has no face match in alignments file """
          self.output_message = "Frames with no faces"
          for frame in tqdm(self.items, desc=self.output_message):
              logger.trace(frame)
              frame_name = frame["frame_fullname"]
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