Fix buglet which only caused a warning during tests.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

diff --git a/regression-tests.api/test_Zones.py b/regression-tests.api/test_Zones.py
index bfcc978cbb5dc9dbe4aaf4bea16f35935db54a57..932fa16a70c10868f6355f824bbd67a51ed1bc78 100644 (file)
--- a/regression-tests.api/test_Zones.py
+++ b/regression-tests.api/test_Zones.py
@@ -87,7 +87,7 @@ class ZonesApiTestCase(ApiTestCase):
             for item in json['errors']:
                 if expected in item:
                     found = True
-            assert found, "%r not found in %r" (expected, errors)
+            assert found, "%r not found in %r" % (expected, errors)
 
 
 class Zones(ZonesApiTestCase):