          if len(self.args.alignments_file) == 1 and self.args.job == "merge":
              logger.error("More than one alignments file required for merging")
              exit(0)
  
          dest_format = self.get_dest_format()
          if len(self.args.alignments_file) == 1:
              retval = AlignmentData(self.args.alignments_file[0], dest_format)
          else:
              retval = [AlignmentData(a_file, dest_format) for a_file in self.args.alignments_file]
          logger.debug("Alignments: %s", retval)
 
</s> remove             retval = AlignmentData(self.args.alignments_file[0], dest_format)
 </s> add             retval = AlignmentData(self.args.alignments_file[0]) </s> remove             retval = [AlignmentData(a_file, dest_format) for a_file in self.args.alignments_file]
 </s> add             retval = [AlignmentData(a_file) for a_file in self.args.alignments_file] </s> remove     def get_dest_format(self):
        """ Set the destination format for Alignments """
        dest_format = None
        if hasattr(self.args, 'alignment_format') and self.args.alignment_format:
            dest_format = self.args.alignment_format
        logger.debug(dest_format)
        return dest_format

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

 </s> add 
          if len(self.args.alignments_file) == 1 and self.args.job == "merge":
              logger.error("More than one alignments file required for merging")
              exit(0)
  

          if len(self.args.alignments_file) == 1:
              retval = AlignmentData(self.args.alignments_file[0], dest_format)
          else:
              retval = [AlignmentData(a_file, dest_format) for a_file in self.args.alignments_file]
          logger.debug("Alignments: %s", retval)
keep keep keep keep 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/alignments.py