diff -r 6b3523f81f42 -r 26744ad37953 cubicweb/server/test/unittest_postgres.py
--- a/cubicweb/server/test/unittest_postgres.py	Fri Apr 05 17:21:14 2019 +0200
+++ b/cubicweb/server/test/unittest_postgres.py	Fri Apr 05 17:58:19 2019 +0200
@@ -19,8 +19,6 @@
 from datetime import datetime
 from threading import Thread
 
-from six.moves import range
-
 import logilab.database as lgdb
 from cubicweb import ValidationError
 from cubicweb.devtools import PostgresApptestConfiguration, startpgcluster, stoppgcluster