old_contents: """Social auth models"""
  from django.db import models 
  from django.contrib.auth.models import User
  
  
  class UserSocialAuth(models.Model):
      """Social Auth association model"""
      user = models.ForeignKey(User, related_name='social_auth')
      provider = models.CharField(max_length=32)
      uid = models.TextField()
  
      class Meta:
          """Meta data"""
          unique_together = ('provider', 'uid')
  
  
  class Nonce(models.Model):
      """One use numbers"""
      server_url = models.TextField()
      timestamp = models.IntegerField()
      salt = models.CharField(max_length=40)
  
  
  class Association(models.Model):
      """OpenId account association"""
      server_url = models.TextField(max_length=2047)
      handle = models.CharField(max_length=255)
      secret = models.TextField(max_length=255) # Stored base64 encoded
      issued = models.IntegerField()
      lifetime = models.IntegerField()
      assoc_type = models.TextField(max_length=64)
  
new_contents: """Social auth models"""
  from django.db import models 
  from django.contrib.auth.models import User
  
  
  class UserSocialAuth(models.Model):
      """Social Auth association model"""
      user = models.ForeignKey(User, related_name='social_auth')
      provider = models.CharField(max_length=32)
      uid = models.TextField()
  
      class Meta:
          """Meta data"""
          unique_together = ('provider', 'uid')
  
  
  class Nonce(models.Model):
      """One use numbers"""
      server_url = models.TextField()
      timestamp = models.IntegerField()
      salt = models.CharField(max_length=40)
  
  
  class Association(models.Model):
      """OpenId account association"""
      server_url = models.TextField()
      handle = models.CharField(max_length=255)
      secret = models.CharField(max_length=255) # Stored base64 encoded
      issued = models.IntegerField()
      lifetime = models.IntegerField()
      assoc_type = models.CharField(max_length=64)
  
subject: Remove max_length from TextFields and replace short text fields with CharFields