old_contents: """Pixel
  
  A pixel data structure with it's own uid that makes a Pixelmap.
  Last updated: March 7, 2017
  """
  
  from itertools import count
  
  
  class Pixel:
      new_id = count(1)
  
      def __init__(self):
          """Pixel constructor"""
          self.id = next(self.new_id)
  
      def __str__(self):
          return str(self.id)
  
      def __repr__(self):
          return self.__str__()
  
new_contents: """Pixel
  
  A pixel data structure with it's own uid that makes a Pixelmap.
  Last updated: March 11, 2017
  """
  
  from itertools import count
  
  
  class Pixel:
      new_id = count(1)
  
      def __init__(self, data=None):
          """Pixel constructor"""
          self.id = next(self.new_id)
          self.data = data
  
      def __str__(self):
          return str(self.data)
  
subject: Add data dict as Pixel member.