fix(tickets): make max_count_per_product blank=True

tickets/migrations/0036_alter_ticketseventmeta_max_count_per_product.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2 on 2023-04-21 11:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("tickets", "0035_ticketseventmeta_max_count_per_product"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="ticketseventmeta",
+            name="max_count_per_product",
+            field=models.SmallIntegerField(blank=True, default=99),
+        ),
+    ]

tickets/models/__init__.py

@@ -171,7 +171,7 @@ class TicketsEventMeta(ContactEmailMixin, EventMetaBase, LocalizedModel):
         help_text=_("If set, customers will be required to indicate acceptance to finish order."),
     )
 
-    max_count_per_product = models.SmallIntegerField(default=99)
+    max_count_per_product = models.SmallIntegerField(blank=True, default=99)
 
     def __str__(self):
         return self.event.name