Implement corona-safe seating (#1685)

src/pretix/base/migrations/0153_auto_20200528_1953.py

@@ -0,0 +1,31 @@
+# Generated by Django 3.0.6 on 2020-05-28 19:53
+
+import django_countries.fields
+from django.db import migrations, models
+
+import pretix.helpers.countries
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0152_auto_20200511_1504'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='seat',
+            name='x',
+            field=models.FloatField(null=True),
+        ),
+        migrations.AddField(
+            model_name='seat',
+            name='y',
+            field=models.FloatField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='seat',
+            name='seat_guid',
+            field=models.CharField(db_index=True, max_length=190),
+        ),
+    ]