Prevent generation of useless migrations upon settings change

core/migrations/0029_auto_20180426_2013.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import core.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0028_auto_20171216_2044'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='page',
+            name='owner_group',
+            field=models.ForeignKey(verbose_name='owner group', default=core.models.Page.get_default_owner_group, related_name='owned_page', to='core.Group'),
+        ),
+    ]