text: # Generated by Django 3.2.4 on 2021-07-02 00:48
  
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('api', '0004_alter_correlation_user'),
      ]
  
      operations = [
          migrations.AddConstraint(
              model_name='correlation',
              constraint=models.UniqueConstraint(fields=('code1', 'code2', 'created_at'), name='unique_corr'),
          ),
      ]
  