From 2be59cb0c80af70dc225470da9c5c7dc20dd7f43 Mon Sep 17 00:00:00 2001
From: PCoder <purple.coder@yahoo.co.uk>
Date: Sat, 20 Apr 2019 07:41:07 +0200
Subject: [PATCH] Add missing return value

---
 hosting/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hosting/models.py b/hosting/models.py
index bfe608de..af16bfb0 100644
--- a/hosting/models.py
+++ b/hosting/models.py
@@ -309,7 +309,7 @@ class MonthlyHostingBill(AssignPermissionsMixin, models.Model):
         else:
             logger.debug("Neither subscription id nor vm_id available")
             logger.debug("Can't import invoice")
-            return
+            return None
 
         instance = cls.objects.create(
             created=datetime.utcfromtimestamp(