old_contents: from django.core.urlresolvers import reverse
  from django.utils.encoding import smart_unicode
  
  
  class LookupBase(object):
  
      def _name(cls):
          app_name = cls.__module__.split('.')[-2].lower()
          class_name = cls.__name__.lower()
          name = u'%s-%s' % (app_name, class_name)       
          return name
      name = classmethod(_name)
  
      def _url(cls):
          return reverse('selectable-lookup', args=[cls.name()])
      url = classmethod(_url)
  
      def get_query(self, request):
          return []
  
      def get_item_name(self, item):
          return smart_unicode(item)
  
      def get_item_id(self, item):
          return smart_unicode(item)
  
      def get_item_value(self, item):
          return smart_unicode(item)
  
      def format_item(self, item):
           return {
              'id': self.get_item_id(item),
              'value': self.get_item_value(item),
              'name': self.get_item_name(item)
          }
  
  
  
new_contents: from django.core.urlresolvers import reverse
  from django.utils.encoding import smart_unicode
  
  
  class LookupBase(object):
  
      def _name(cls):
          app_name = cls.__module__.split('.')[-2].lower()
          class_name = cls.__name__.lower()
          name = u'%s-%s' % (app_name, class_name)       
          return name
      name = classmethod(_name)
  
      def _url(cls):
          return reverse('selectable-lookup', args=[cls.name()])
      url = classmethod(_url)
  
      def get_query(self, request):
          return []
  
      def get_item_label(self, item):
          return smart_unicode(item)
  
      def get_item_id(self, item):
          return smart_unicode(item)
  
      def get_item_value(self, item):
          return smart_unicode(item)
  
      def format_item(self, item):
           return {
              'id': self.get_item_id(item),
              'value': self.get_item_value(item),
              'label': self.get_item_label(item)
          }
  
  
  
subject: Change to return 'label' not 'name'.