recreate subscription migration

app/dashboard/migrations/0138_auto_20200806_1536.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2.4 on 2020-08-06 15:36
+
+import dashboard.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0137_auto_20200806_1402'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='tribessubscription',
+            name='expires_on',
+            field=models.DateTimeField(blank=True, default=dashboard.models.default_tribes_expiration, null=True),
+        ),
+    ]