old_contents: 
  # Import important modules
  from standardise import *
  from indexing import *
  from comparing import *
  
  from estimation import *
  from classifier import *
  
  from ._version import get_versions
  __version__ = get_versions()['version']
  del get_versions
  
new_contents: 
  # Import important modules
  from standardise import *
  from indexing import *
  from comparing import *
  from classifier import *
  
  from ._version import get_versions
  __version__ = get_versions()['version']
  del get_versions
  
subject: remove direct access to EM algorithm