Merge migrations and fix spacing

hosting/migrations/0037_merge.py

@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2017-05-07 04:49
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hosting', '0031_hostingbill_total_price'),
+        ('hosting', '0036_auto_20170506_2312'),
+    ]
+
+    operations = [
+    ]

hosting/models.py

@@ -4,6 +4,7 @@ import oca
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.utils.functional import cached_property
+from django.conf import settings
 
 from Crypto.PublicKey import RSA
 from stored_messages.settings import stored_messages_settings