old_contents: from django.db import models
  import django.contrib.auth.models as auth
  
  class User(auth.User):
      """Model for representing users.
  
      It has few fields that aren't in the standard authentication user
      table, and are needed for the forum to work, like footers.
      """
      display_name = models.CharField(max_length=30, null=True)
      footer = models.TextField(null=True)
  
  
  class Thread(models.Model):
      """Model for representing threads."""
      title = models.CharField(max_length=100)
      views = models.PositiveIntegerField(default=0)
      sticky = models.BooleanField()
      closed = models.BooleanField()
  
new_contents: from django.db import models
  import django.contrib.auth.models as auth
  
  class User(auth.User):
      """Model for representing users.
  
      It has few fields that aren't in the standard authentication user
      table, and are needed for the forum to work, like footers.
      """
      display_name = models.CharField(max_length=30, null=True)
      footer = models.TextField(null=True)
  
  
  class Thread(models.Model):
      """Model for representing threads."""
      title = models.CharField(max_length=100)
      views = models.PositiveIntegerField(default=0)
      sticky = models.BooleanField()
      closed = models.BooleanField()
  
  class Post(models.Model):
      thread = models.ForeignKey(Thread)
  
subject: Add model for posts.