old_contents: """
  The :mod:`sklearn.decomposition` module includes matrix decomposition
  algorithms, including among others PCA, NMF or ICA. Most of the algorithms of
  this module can be regarded as dimensionality reduction techniques.
  """
  
  from .nmf import NMF, ProjectedGradientNMF
  from .pca import PCA, RandomizedPCA, ProbabilisticPCA
  from .kernel_pca import KernelPCA
  from .sparse_pca import SparsePCA, MiniBatchSparsePCA
  from .fastica_ import FastICA, fastica
  from .dict_learning import dict_learning, dict_learning_online, sparse_encode,\
                             DictionaryLearning, MiniBatchDictionaryLearning,\
                             SparseCoder, sparse_encode_parallel
  
  __all__ = ['DictionaryLearning',
             'FastICA',
             'KernelPCA',
             'MiniBatchDictionaryLearning',
             'MiniBatchSparsePCA',
             'NMF',
             'PCA',
             'ProbabilisticPCA',
             'ProjectedGradientNMF',
             'RandomizedPCA',
             'SparseCoder',
             'SparsePCA',
             'dict_learning',
             'dict_learning_online',
             'fastica',
             'sparse_encode',
             'sparse_encode_parallel']
  
new_contents: """
  The :mod:`sklearn.decomposition` module includes matrix decomposition
  algorithms, including among others PCA, NMF or ICA. Most of the algorithms of
  this module can be regarded as dimensionality reduction techniques.
  """
  
  from .nmf import NMF, ProjectedGradientNMF
  from .pca import PCA, RandomizedPCA, ProbabilisticPCA
  from .kernel_pca import KernelPCA
  from .sparse_pca import SparsePCA, MiniBatchSparsePCA
  from .fastica_ import FastICA, fastica
  from .dict_learning import dict_learning, dict_learning_online, sparse_encode,\
                             DictionaryLearning, MiniBatchDictionaryLearning,\
                             SparseCoder
  
  __all__ = ['DictionaryLearning',
             'FastICA',
             'KernelPCA',
             'MiniBatchDictionaryLearning',
             'MiniBatchSparsePCA',
             'NMF',
             'PCA',
             'ProbabilisticPCA',
             'ProjectedGradientNMF',
             'RandomizedPCA',
             'SparseCoder',
             'SparsePCA',
             'dict_learning',
             'dict_learning_online',
             'fastica',
             'sparse_encode']
  
subject: FIX removed sparse_encode_parallel