--- a/cubicweb/server/repository.py	Fri Apr 05 17:21:14 2019 +0200
+++ b/cubicweb/server/repository.py	Fri Apr 05 17:58:19 2019 +0200
@@ -26,13 +26,10 @@
 * handles session management
 """
 
-from __future__ import print_function
-
 from itertools import chain
 from contextlib import contextmanager
 from logging import getLogger
-
-from six.moves import range, queue
+import queue
 
 from logilab.common.decorators import cached, clear_cache