text: from .position import load_position_from_save
  
  def load_wall_from_save(wall_save):
      return Wall(
          load_position_from_save(wall_save['position_1']),
          load_position_from_save(wall_save['position_2'])
      )
  
  class Wall(object):
      def __init__(self, position_1, position_2):
          self.position_1 = position_1
          self.position_2 = position_2
  
      def __eq__(self, other):
          self_positions = [self.position_1.to_list(), self.position_2.to_list()]
          other_positions = [other.position_1.to_list(), other.position_2.to_list()]
          self_positions.sort()
          other_positions.sort()
          return self_positions == other_positions
  
      def __ne__(self, other):
          return not self == other
  
      def to_dict(self):
          return {
              'x1': self.position_1.x,
              'y1': self.position_1.y,
              'x2': self.position_2.x,
              'y2': self.position_2.y
          }
  
      def to_save(self):
          return {
              'type': 'wall',
              'position_1': self.position_1.to_save(),
              'position_2': self.position_2.to_save()
          }