old_contents: from django.db import models
  
  import secretballot
  
  class Quote(models.Model):
      body = models.TextField()
      channel = models.CharField(max_length=32)
      username = models.CharField(max_length=32)
      ip = models.GenericIPAddressField(editable=False)
      timestamp = models.DateTimeField(auto_now_add=True)
  
  secretballot.enable_voting_on(Quote)
  
new_contents: from django.db import models
  
  import secretballot
  
  class Quote(models.Model):
      body = models.TextField()
      channel = models.CharField(max_length=32)
      username = models.CharField(max_length=32)
      ip = models.GenericIPAddressField(editable=False)
      timestamp = models.DateTimeField(auto_now_add=True, editable=False)
  
  secretballot.enable_voting_on(Quote)
  
subject: Make Quote.timestamp field non-editable