--- a/cubicweb/server/repository.py	Mon Jan 30 10:19:58 2017 +0100
+++ b/cubicweb/server/repository.py	Mon Jan 30 10:22:23 2017 +0100
@@ -149,6 +149,7 @@
     def stop(self):
         pass
 
+
 class _CnxSetPool(object):
 
     def __init__(self, source, size):