make role field on contact optional

scipost_django/organizations/migrations/0023_alter_contactperson_role.py

+# Generated by Django 4.2.15 on 2024-10-08 15:25
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("organizations", "0022_contactperson_date_deprecated_contactperson_status"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="contactperson",
+            name="role",
+            field=models.CharField(blank=True, max_length=128, null=True),
+        ),
+    ]

scipost_django/organizations/models.py

@@ -709,7 +709,7 @@ class ContactPerson(models.Model):
     first_name = models.CharField(max_length=64)
     last_name = models.CharField(max_length=64)
     email = models.EmailField()
-    role = models.CharField(max_length=128)
+    role = models.CharField(max_length=128, blank=True, null=True)
     status = models.CharField(
         max_length=16, choices=STATUS_CHOICES, default=STATUS_UNKNOWN
     )