From f10caba01d383d9f2764096b83aac54073bf7c50 Mon Sep 17 00:00:00 2001
From: Iain Lane <iain.lane@canonical.com>
Date: Thu, 23 May 2019 10:27:24 +0100
Subject: [PATCH] SRU ADT regression: Handle unset changes_url (e.g. for syncs)

---
 britney2/policies/sruadtregression.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/britney2/policies/sruadtregression.py b/britney2/policies/sruadtregression.py
index 506281f..fe202e8 100644
--- a/britney2/policies/sruadtregression.py
+++ b/britney2/policies/sruadtregression.py
@@ -104,6 +104,9 @@ class SRUADTRegressionPolicy(BasePolicy, Rest):
         changes_url = self.query_lp_rest_api(src['self_link'], {
             'ws.op': 'changesFileUrl',
         })
+        if not changes_url:
+            return PolicyVerdict.PASS
+
         bugs = self.bugs_from_changes(changes_url)
         # Now leave a comment informing about the ADT regressions on each bug
         for bug in bugs: