new_contents: from django.conf import settings
  from django.core.management.base import BaseCommand
  from django.db import connection
  
  from django.contrib.auth.models import User
  
  from account.models import EmailAddress
  from social_auth.models import UserSocialAuth
  
  
  class Command(BaseCommand):
  
      def handle(self, *args, **options):
          cursor = connection.cursor()
          cursor.execute("SELECT user_id, openid FROM django_openid_useropenidassociation;")
  
          for openid in cursor.fetchall():
              user = User.objects.get(pk=openid[0])
              UserSocialAuth.objects.get_or_create(user=user, provider="openid", uid=openid[1])
  
subject: add a command to migrate django_openid to django-social-auth