diff --git a/hosting/migrations/0037_merge.py b/hosting/migrations/0037_merge.py
new file mode 100644
index 00000000..091a16c5
--- /dev/null
+++ b/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 = [
+    ]
diff --git a/hosting/models.py b/hosting/models.py
index e48f2f4b..63bf8654 100644
--- a/hosting/models.py
+++ b/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
@@ -293,7 +294,7 @@ class HostingBill(AssignPermissionsMixin, models.Model):
 
         # Reset total price
         self.total_price = 0
-	vms = []
+        vms = []
         # Add vm in vm_pool to context
         for vm in vm_pool:
             name = vm.name
@@ -319,6 +320,6 @@ class HostingBill(AssignPermissionsMixin, models.Model):
             self.total_price += price
 
         self.save()
-	return vms
+        return vms