diff -r ec612abc2e2e -r 7534b32c45e3 cubicweb/server/sqlutils.py
--- a/cubicweb/server/sqlutils.py	Tue Nov 15 11:44:05 2016 +0100
+++ b/cubicweb/server/sqlutils.py	Wed Nov 16 17:12:09 2016 +0100
@@ -457,6 +457,7 @@
     # only defining here to prevent pylint from complaining
     info = warning = error = critical = exception = debug = lambda msg, *a, **kw: None
 
+
 set_log_methods(SQLAdapterMixIn, getLogger('cubicweb.sqladapter'))
 
 
@@ -559,6 +560,7 @@
     import yams.constraints
     yams.constraints.patch_sqlite_decimal()
 
+
 sqlite_hooks = SQL_CONNECT_HOOKS.setdefault('sqlite', [])
 sqlite_hooks.append(_init_sqlite_connection)
 
@@ -570,5 +572,6 @@
     # rolled back
     cnx.commit()
 
+
 postgres_hooks = SQL_CONNECT_HOOKS.setdefault('postgres', [])
 postgres_hooks.append(_init_postgres_connection)