Polymorphic model correctly saves, fixed formatting of admin

cntmanage/flightslot/migrations/0019_remove_hourbuildinglegstop_location_and_more.py

@@ -0,0 +1,37 @@
+# Generated by Django 5.2.8 on 2025-11-21 16:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('flightslot', '0018_hourbuildinglegbase_hourbuildinglegflight_and_more'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='hourbuildinglegstop',
+            name='location',
+        ),
+        migrations.AddField(
+            model_name='hourbuildinglegflight',
+            name='pax',
+            field=models.CharField(max_length=16, null=True),
+        ),
+        migrations.AlterField(
+            model_name='hourbuildinglegbase',
+            name='time',
+            field=models.DurationField(),
+        ),
+        migrations.AlterField(
+            model_name='hourbuildinglegflight',
+            name='departure',
+            field=models.CharField(max_length=4),
+        ),
+        migrations.AlterField(
+            model_name='hourbuildinglegflight',
+            name='destination',
+            field=models.CharField(max_length=4),
+        ),
+    ]