--- a/cubicweb/server/schemaserial.py	Wed Oct 05 15:28:43 2016 +0200
+++ b/cubicweb/server/schemaserial.py	Fri Sep 30 18:25:08 2016 +0200
@@ -16,11 +16,9 @@
 # You should have received a copy of the GNU Lesser General Public License along
 # with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
 """functions for schema / permissions (de)serialization using RQL"""
+
 from __future__ import print_function
 
-__docformat__ = "restructuredtext en"
-
-import os
 import json
 import sys
 import sqlite3