old_contents: from django.core.urlresolvers import reverse
  from django.db import models
  
  from core.models import BaseModel, ImageModel
  
  from .managers import ProgramManager, ImageManager
  import util
  
  
  class Program(BaseModel):
  
      abbr = models.CharField('abbreviation', max_length=255, blank=True)
      status = models.BooleanField(
          help_text='Boolean indicating whether the entity is published (visible to non-administrators).')
      lead = models.CharField(max_length=255, blank=True)
      body = models.TextField(blank=True)
  
      objects = ProgramManager()
  
      def save(self, *args, **kwargs):
          super(Program, self).save(*args, **kwargs)
  
      class Meta:
          ordering = ['title']
  
  
  class Detail(models.Model):
  
      title = models.CharField(max_length=255)
      value = models.CharField(max_length=255)
  
      program = models.ForeignKey(Program)
  
      def __unicode__(self):
          return self.key
  
      class Meta:
          order_with_respect_to = 'program'
  
  
  class Image(ImageModel):
  
      image = models.ImageField(upload_to=util.get_image_path)
  
      program = models.ForeignKey(Program)
  
      objects = ImageManager()
  
      class Meta:
          ordering = ['program__title', '-created']
  
new_contents: from django.core.urlresolvers import reverse
  from django.db import models
  
  from core.models import BaseModel, ImageModel
  
  from .managers import ProgramManager, ImageManager
  import util
  
  
  class Program(BaseModel):
  
      abbr = models.CharField('abbreviation', max_length=255, blank=True)
      status = models.BooleanField(
          help_text='Boolean indicating whether the entity is published (visible to non-administrators).')
      lead = models.CharField(max_length=255, blank=True)
      body = models.TextField(blank=True)
  
      objects = ProgramManager()
  
      def save(self, *args, **kwargs):
          super(Program, self).save(*args, **kwargs)
  
      class Meta:
          ordering = ['title']
  
  
  class Detail(models.Model):
  
      title = models.CharField(max_length=255)
      value = models.CharField(max_length=255)
  
      program = models.ForeignKey(Program)
  
      def __unicode__(self):
          return self.title
  
      class Meta:
          order_with_respect_to = 'program'
  
  
  class Image(ImageModel):
  
      image = models.ImageField(upload_to=util.get_image_path)
  
      program = models.ForeignKey(Program)
  
      objects = ImageManager()
  
      class Meta:
          ordering = ['program__title', '-created']
  
subject: Fix invalid Detail property