  #       legacy extract
  # 2.1 - Alignments data to extracted face PNG header. SHA1 hashes of faces no longer calculated
  #       or stored in alignments file
  
  class Alignments():
      """ The alignments file is a custom serialized ``.fsa`` file that holds information for each
      frame for a video or series of images.
  
      Specifically, it holds a list of faces that appear in each frame. Each face contains
 
</s> remove _VERSION = 2.1
 </s> add _VERSION = 2.2
# 2.2 - Add support for differently centered masks (i.e. not all masks stored as face centering)
  #       legacy extract
  # 2.1 - Alignments data to extracted face PNG header. SHA1 hashes of faces no longer calculated
  #       or stored in alignments file
# 2.2 - Add support for differently centered masks (i.e. not all masks stored as face centering)
  
  class Alignments():
      """ The alignments file is a custom serialized ``.fsa`` file that holds information for each
      frame for a video or series of images.
  
      Specifically, it holds a list of faces that appear in each frame. Each face contains
keep keep add keep keep keep keep keep keep
 Update mask centering parameter into legacy alignments 
lib/align/alignments.py