old_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  __all__ = ['affinegap',
             'blocking',
             'clustering',
             'core',
             'lr',
             'predicates',
             'training_sample',
             'crossvalidation',
             'dedupe',
             'distance'
             ]
  
  #from distance import affinegap
  from distance import affinegap
  import distance 
  import mekano
  import blocking
  import clustering
  import core
  import lr
  import predicates
  import training
  import crossvalidation
  import datamodel
  from api import Dedupe
  from api import ActiveDedupe
  from core import randomPairs
  from convenience import dataSample
  from convenience import blockData
  
  
new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  __all__ = ['affinegap',
             'blocking',
             'clustering',
             'core',
             'lr',
             'predicates',
             'training_sample',
             'crossvalidation',
             'dedupe',
             'distance'
             ]
  
  #from distance import affinegap
  from distance import affinegap
  import distance 
  import mekano
  import blocking
  import clustering
  import core
  import lr
  import predicates
  import training
  import crossvalidation
  import datamodel
  import backport
  from api import Dedupe
  from api import ActiveDedupe
  from core import randomPairs
  from convenience import dataSample
  from convenience import blockData
  
  
subject: add backport to head init