old_contents: # -*- coding: utf-8 -*-
  
  from level import *
  from dc import *
  from aubio_temporal import *
  from aubio_pitch import *
  from aubio_mfcc import *
  from aubio_melenergy import *
  
new_contents: # -*- coding: utf-8 -*-
  
  from level import *
  from dc import *
  from aubio_temporal import *
  from aubio_pitch import *
  from aubio_mfcc import *
  from aubio_melenergy import *
  from aubio_specdesc import *
  
subject: add aubio_specdesc