from django.db import migrations, models


class Migration(migrations.Migration):
    dependencies = [
        ("graph", "0003_graphapproval"),
    ]

    operations = [
        migrations.AddConstraint(
            model_name="executiongraphversion",
            constraint=models.UniqueConstraint(condition=models.Q(("status", "CHAMPION")), fields=("graph",), name="unique_champion_execution_graph_version"),
        ),
    ]