use geometry field instead of multipolygon for admin2

Author: geohacker

api/management/commands/import-admin2-data.py

@@ -132,7 +132,7 @@ def add_admin2(self, options, import_missing, feature, geom, centroid, bbox):
           try:
               print("importing", admin2.name)
               admin2.save()
-              if options["update_geom"]:
+              if options["update-geom"]:
                   self.update_geom(admin2, geom)
           except IntegrityError as e:
               print(f"Duplicate object {admin2.name}")

api/migrations/0158_alter_admin2geoms_geom.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.16 on 2022-10-19 14:08
+
+import django.contrib.gis.db.models.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0157_event_image_and_summary_translations'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='admin2geoms',
+            name='geom',
+            field=django.contrib.gis.db.models.fields.GeometryField(blank=True, null=True, srid=4326),
+        ),
+    ]

api/models.py

@@ -293,7 +293,7 @@ class DistrictGeoms(models.Model):
 
 class Admin2Geoms(models.Model):
     """ Admin2 geometries """
-    geom = models.MultiPolygonField(srid=4326, blank=True, null=True)
+    geom = models.GeometryField(srid=4326, blank=True, null=True)
     admin2 = models.OneToOneField(Admin2, verbose_name=_('admin2'), on_delete=models.DO_NOTHING, primary_key=True)