old_contents: from django.contrib.gis.db import models
  
  unit_srid = 4326
  
  class Unit(models.Model):
      name = models.CharField(max_length=1024)
      description = models.CharField(max_length=1024)
      geom = models.GeometryField(srid=unit_srid)
      objects = models.GeoManager()
  
      def __unicode_(self):
          return "Unit %s" % (name)
  
  # Auto-generated `LayerMapping` dictionary for Unit model
  unit_mapping = {
      'name' : 'Name',
      'description' : 'Description',
      'geom' : 'UNKNOWN',
  }
  
new_contents: from django.contrib.gis.db import models
  
  unit_srid = 4326
  
  class Unit(models.Model):
      name = models.CharField(max_length=1024)
      description = models.CharField(max_length=1024)
      geom = models.GeometryField(srid=unit_srid)
      objects = models.GeoManager()
  
      def __unicode__(self):
          return "Unit %s" % (self.name)
  
  # Auto-generated `LayerMapping` dictionary for Unit model
  unit_mapping = {
      'name' : 'Name',
      'description' : 'Description',
      'geom' : 'UNKNOWN',
  }
  
subject: Fix __unicode__ method