              otherwise return None """
          if not hasattr(arguments, "faces_dir") or not arguments.faces_dir:
              return None
          faces = Faces(arguments.faces_dir)
          legacy = Legacy(self.alignments, None, faces=faces, child_process=True)
          legacy.process()
          return faces
  
      def process(self):
          """ Execute the sort process """
          logger.info("[SORT INDEXES]")  # Tidy up cli output
 
</s> remove     def get_faces(self, arguments):
        """ If faces argument is specified, load faces_dir
            otherwise return None """
 </s> add     @staticmethod
    def get_faces(arguments):
        """ If faces argument is specified, load faces_dir otherwise return None """ </s> remove         self.check_legacy()
 </s> add  </s> remove         legacy = Legacy(self.alignments, None, frames=self.frames, child_process=True)
        legacy.process()

 </s> add  </s> remove         if self.type == "faces":
            legacy = Legacy(self.alignments, None, faces=self.items, child_process=True)
            legacy.process()

 </s> add  </s> remove         legacy = Legacy(self.alignments, self.arguments,
                        frames=self.frames, child_process=True)
        legacy.process()

 </s> add 
              otherwise return None """
          if not hasattr(arguments, "faces_dir") or not arguments.faces_dir:
              return None
          faces = Faces(arguments.faces_dir)


          return faces
  
      def process(self):
          """ Execute the sort process """
          logger.info("[SORT INDEXES]")  # Tidy up cli output
keep keep keep keep replace replace keep keep keep keep keep
 Legacy alignments update

- Remove legacy update hashes
- Remove legacy job from alignment-tools
- Remove legacy landmark rotation
- Add rotate face method to plugins/extract/detect
- Update travis test for new alignments extension
- Alignments format to .fsa
- Remove serializer option from alignments-tool
- Auto update legacy format alignment files to new format 
tools/lib_alignments/jobs.py