From 8f09eacfb52f8632dc3f24eef25c3e32455f8852 Mon Sep 17 00:00:00 2001
From: Xavier Morel <xmo@odoo.com>
Date: Fri, 7 Feb 2020 15:54:14 +0100
Subject: [PATCH] [FIX] runbot_merge: handling of empty required_statuses for
 computed pr status

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

diff --git a/runbot_merge/models/pull_requests.py b/runbot_merge/models/pull_requests.py
index b724bc9a..5a75b54b 100644
--- a/runbot_merge/models/pull_requests.py
+++ b/runbot_merge/models/pull_requests.py
@@ -643,7 +643,7 @@ class PullRequests(models.Model):
             s.statuses = pprint.pformat(statuses)
 
             st = 'success'
-            for ci in s.repository.required_statuses.split(','):
+            for ci in filter(None, (s.repository.required_statuses or '').split(',')):
                 v = state_(statuses, ci) or 'pending'
                 if v in ('error', 'failure'):
                     st = 'failure'