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
  
  
  __all__ = ['NeuralGas',
             'MergeNeuralGas',
             'RelationalNeuralGas',
             'SOM',
             'umatrix'
            ]
  
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 .gng import GrowingNeuralGas
  from .som import SOM
  from .umatrix import umatrix
  
  
  __all__ = [
      "NeuralGas",
      "MergeNeuralGas",
      "RelationalNeuralGas",
      "GrowingNeuralGas",
      "SOM",
      "umatrix",
  ]
  
subject: Add GNG module.