#__all__ = ['calibration', 'cluster', 'covariance', 'cross_decomposition',
#           'cross_validation', 'datasets', 'decomposition', 'dummy',
#           'ensemble', 'exceptions', 'externals', 'feature_extraction',
#           'feature_selection', 'gaussian_process', 'grid_search',
#           'isotonic', 'kernel_approximation', 'kernel_ridge',
#           'learning_curve', 'linear_model', 'manifold', 'metrics',
#           'mixture', 'model_selection', 'multiclass', 'multioutput',
#           'naive_bayes', 'neighbors', 'neural_network', 'pipeline',
#           'preprocessing', 'random_projection', 'semi_supervised',
#           'svm', 'tree', 'discriminant_analysis',
#           # Non-modules:
#           'clone']