old_contents: # -*- coding: utf-8 -*-
  """
  
  
  """
  # Author: Avraam Marimpis <avraam.marimpis@gmail.com>
  
  from .ng import NeuralGas
  from .mng import MergeNeuralGas
  from .rng import RelationalNeuralGas
  from .som import SOM
  from .umatrix import umatrix, wrap_kernel, make_hexagon
  
  
  __all__ = ['NeuralGas',
             'MergeNeuralGas',
             'RelationalNeuralGas',
             'SOM',
             'umatrix', 'wrap_kernel', 'make_hexagon'
            ]
  
new_contents: # -*- coding: utf-8 -*-
  """
  
  
  """
  # Author: Avraam Marimpis <avraam.marimpis@gmail.com>
  
  from .ng import NeuralGas
  from .mng import MergeNeuralGas
  from .rng import RelationalNeuralGas
  from .som import SOM
  from .umatrix import umatrix
  
  
  __all__ = ['NeuralGas',
             'MergeNeuralGas',
             'RelationalNeuralGas',
             'SOM',
             'umatrix'
            ]
  
subject: Fix erroneous imports.