old_contents: # Generated by Django 3.2.4 on 2021-06-21 05:46
  
  from django.db import migrations, models
  import django.utils.timezone
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ("helusers", "0001_add_ad_groups"),
      ]
  
      operations = [
          migrations.CreateModel(
              name="OIDCBackChannelLogoutEvent",
              fields=[
                  (
                      "id",
                      models.AutoField(
                          auto_created=True,
                          primary_key=True,
                          serialize=False,
                          verbose_name="ID",
                      ),
                  ),
                  ("created_at", models.DateTimeField(default=django.utils.timezone.now)),
                  ("iss", models.CharField(db_index=True, max_length=4096)),
                  ("sub", models.CharField(blank=True, db_index=True, max_length=4096)),
                  ("sid", models.CharField(blank=True, db_index=True, max_length=4096)),
              ],
              options={
                  "unique_together": {("iss", "sub", "sid")},
              },
          ),
      ]
  
new_contents: from django.db import migrations, models
  import django.utils.timezone
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ("helusers", "0001_add_ad_groups"),
      ]
  
      operations = [
          migrations.CreateModel(
              name="OIDCBackChannelLogoutEvent",
              fields=[
                  (
                      "id",
                      models.AutoField(
                          auto_created=True,
                          primary_key=True,
                          serialize=False,
                          verbose_name="ID",
                      ),
                  ),
                  ("created_at", models.DateTimeField(default=django.utils.timezone.now)),
                  ("iss", models.CharField(db_index=True, max_length=4096)),
                  ("sub", models.CharField(blank=True, db_index=True, max_length=4096)),
                  ("sid", models.CharField(blank=True, db_index=True, max_length=4096)),
              ],
              options={
                  "verbose_name": "OIDC back channel logout event",
                  "verbose_name_plural": "OIDC back channel logout events",
                  "unique_together": {("iss", "sub", "sid")},
              },
          ),
      ]
  
subject: Modify migration file to include meta data changes