mark refereeing invitation referee field not null

scipost_django/submissions/migrations/0162_alter_refereeinvitation_referee.py

+# Generated by Django 4.2.15 on 2024-09-27 09:10
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("profiles", "0043_alter_profile_first_name_original_and_more"),
+        ("submissions", "0161_remove_refereeinvitation_first_name_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="refereeinvitation",
+            name="referee",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="referee_invitations",
+                to="profiles.profile",
+            ),
+        ),
+    ]