old_contents: """
  Making it easy to import in classes.
  """
  from __future__ import print_function
  from __future__ import division
  from __future__ import unicode_literals
  
  __author__ = "Bharath Ramsundar"
  __copyright__ = "Copyright 2016, Stanford University"
  __license__ = "GPL"
  
  from deepchem.feat.base_classes import Featurizer
  from deepchem.feat.base_classes import ComplexFeaturizer
  from deepchem.feat.base_classes import UserDefinedFeaturizer
  from deepchem.feat.graph_features import ConvMolFeaturizer
  from deepchem.feat.fingerprints import CircularFingerprint
  from deepchem.feat.basic import RDKitDescriptors
  from deepchem.feat.coulomb_matrices import CoulombMatrixEig
  from deepchem.feat.grid_featurizer import GridFeaturizer
  from deepchem.feat.nnscore_utils import hydrogenate_and_compute_partial_charges
  from deepchem.feat.binding_pocket_features import BindingPocketFeaturizer
  
new_contents: """
  Making it easy to import in classes.
  """
  from __future__ import print_function
  from __future__ import division
  from __future__ import unicode_literals
  
  __author__ = "Bharath Ramsundar"
  __copyright__ = "Copyright 2016, Stanford University"
  __license__ = "GPL"
  
  from deepchem.feat.base_classes import Featurizer
  from deepchem.feat.base_classes import ComplexFeaturizer
  from deepchem.feat.base_classes import UserDefinedFeaturizer
  from deepchem.feat.graph_features import ConvMolFeaturizer
  from deepchem.feat.fingerprints import CircularFingerprint
  from deepchem.feat.basic import RDKitDescriptors
  from deepchem.feat.coulomb_matrices import CoulombMatrix
  from deepchem.feat.coulomb_matrices import CoulombMatrixEig
  from deepchem.feat.grid_featurizer import GridFeaturizer
  from deepchem.feat.nnscore_utils import hydrogenate_and_compute_partial_charges
  from deepchem.feat.binding_pocket_features import BindingPocketFeaturizer
  
subject: Add CoulombMatrix to dc.feat import