Prevent generation of useless migrations upon settings change

forum/migrations/0006_auto_20180426_2013.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import forum.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('forum', '0005_forumtopic_subscribed_users'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='forum',
+            name='edit_groups',
+            field=models.ManyToManyField(blank=True, default=forum.models.Forum.get_default_edit_group, related_name='editable_forums', to='core.Group'),
+        ),
+        migrations.AlterField(
+            model_name='forum',
+            name='view_groups',
+            field=models.ManyToManyField(blank=True, default=forum.models.Forum.get_default_view_group, related_name='viewable_forums', to='core.Group'),
+        ),
+    ]