              selected task and job """
          if self.job == "missing-frames" and self.output == "move":
              logger.warning("Missing_frames was selected with move output, but there will "
                             "be nothing to move. Defaulting to output: console")
              self.output = "console"
          if self.type == "faces" and self.job not in ("multi-faces", "leftover-faces"):
              logger.error("The selected folder is not valid. Faces folder (-fc) is only "
                           "supported for 'multi-faces' and 'leftover-faces'")
              sys.exit(1)
          if self.type == "frames" and self.job == "leftover-faces":
              logger.error("You must provide a faces folder (-fc) NOT a frames folder (-fr) if "
 
</s> remove                          "supported for 'multi-faces' and 'leftover-faces'")
            sys.exit(1)
        if self.type == "frames" and self.job == "leftover-faces":
            logger.error("You must provide a faces folder (-fc) NOT a frames folder (-fr) if "
                         "running the 'leftover-faces' job.")
 </s> add                          "supported for 'multi-faces'") </s> remove         if self.job == "missing-frames" and self.output == "move":
 </s> add         if self._job == "missing-frames" and self._output == "move": </s> remove     def validate(self):
 </s> add     def _validate(self): </s> remove             logger.info("No %s were found meeting the criteria", self.type)
 </s> add             logger.info("No %s were found meeting the criteria", self._type) </s> remove             self.output = "console"
 </s> add             self._output = "console"
            self._output = "console"
        if self._type == "faces" and self._job != "multi-faces":
              selected task and job """
          if self.job == "missing-frames" and self.output == "move":
              logger.warning("Missing_frames was selected with move output, but there will "
                             "be nothing to move. Defaulting to output: console")
            self._output = "console"
        if self._type == "faces" and self._job != "multi-faces":
            self._output = "console"
        if self._type == "faces" and self._job != "multi-faces":
              logger.error("The selected folder is not valid. Faces folder (-fc) is only "
                           "supported for 'multi-faces' and 'leftover-faces'")
              sys.exit(1)
          if self.type == "frames" and self.job == "leftover-faces":
              logger.error("You must provide a faces folder (-fc) NOT a frames folder (-fr) if "
keep keep keep keep replace 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