content: from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
      dependencies = [
          ('contenttypes', '0002_remove_content_type_name'),
          ('extras', '0111_rename_content_types'),
          ('tenancy', '0014_contactassignment_ordering'),
      ]
  
      operations = [
          migrations.RemoveConstraint(
              model_name='contactassignment',
              name='tenancy_contactassignment_unique_object_contact_role',
          ),
          migrations.RemoveIndex(
              model_name='contactassignment',
              name='tenancy_con_content_693ff4_idx',
          ),
          migrations.RenameField(
              model_name='contactassignment',
              old_name='content_type',
              new_name='object_type',
          ),
          migrations.AddIndex(
              model_name='contactassignment',
              index=models.Index(fields=['object_type', 'object_id'], name='tenancy_con_object__6f20f7_idx'),
          ),
          migrations.AddConstraint(
              model_name='contactassignment',
              constraint=models.UniqueConstraint(
                  fields=('object_type', 'object_id', 'contact', 'role'),
                  name='tenancy_contactassignment_unique_object_contact_role',
              ),
          ),
      ]
  