add Credential migration for unique_together

awx/main/migrations/0026_v300_credential_unique.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0025_v300_update_rbac_parents'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='credential',
+            unique_together=set([('organization', 'name', 'kind')]),
+        ),
+    ]