old_contents: from .base import load_diabetes
  from .base import load_digits
  from .base import load_filenames
  from .base import load_iris
  from .base import get_data_home
  from .mlcomp import load_mlcomp
  from .lfw import load_lfw_pairs
  from .lfw import load_lfw_people
  from .twenty_newsgroups import load_20newsgroups
  
new_contents: from .base import load_diabetes
  from .base import load_digits
  from .base import load_filenames
  from .base import load_iris
  from .base import get_data_home
  from .mlcomp import load_mlcomp
  from .lfw import load_lfw_pairs
  from .lfw import load_lfw_people
  from .twenty_newsgroups import load_20newsgroups
  
  # backward compatibility
  def load_files(*args, **kwargs):
      """Deprecated, use ``scikits.learn.datasets.load_filenames`` instead"""
      import warnings
      warnings.warn("Deprecated in 0.8 to be removed in 0.9: use load_filenames")
      return load_filenames(*args, **kwargs)
  
  
subject: add backward compat for old load_files public API