fix migration

tournaments/migrations/0013_teamstate_team_registration.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.2.11 on 2024-03-08 13:38
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tournaments', '0012_alter_teamstate_score'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='teamstate',
+            name='team_registration',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='tournaments.match'),
+        ),
+    ]

tournaments/models.py

@@ -381,7 +381,7 @@ class TeamState(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     match = models.ForeignKey(Match, on_delete=models.CASCADE, related_name="team_states")
     player_registrations = models.ManyToManyField(PlayerRegistration, blank=True)
-    team_registration = models.ForeignKey(Match, on_delete=models.CASCADE)
+    team_registration = models.ForeignKey(Match, on_delete=models.CASCADE, null=True, blank=True)
     score = models.CharField(max_length=50, null=True, blank=True)
     walk_out = models.IntegerField(null=True, blank=True) #id, int of the walked_out team
     lucky_loser = models.BooleanField()