import django.db.models.deletion from django.db import migrations, models class Migration(migrations.Migration): dependencies = [ ("payments", "0002_initial"), ] operations = [ migrations.AlterField( model_name="transaction", name="balance", field=models.ForeignKey( blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name="transactions", to="payments.balance", ), ), ]