old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  
  class MapLayerEnum:
      """
      Allowed map layer values for tiles retrieval
  
      """
      PRECIPITATION = 'precipitation_new'
      WIND = 'wind_new'
      TEMPERATURE = 'temp_new'
      PRESSURE = 'pressure_new'
  
      @classmethod
      def items(cls):
          """
          All values for this enum
          :return: list of tuples
  
          """
          return [
              cls.PRECIPITATION,
              cls.WIND,
              cls.TEMPERATURE,
              cls.PRESSURE
          ]
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  
  class MapLayerEnum:
      """
      Allowed map layer values for tiles retrieval
  
      """
      PRECIPITATION = 'precipitation_new'
      WIND = 'wind_new'
      TEMPERATURE = 'temp_new'
      PRESSURE = 'pressure_new'
  
subject: remove dead code