diff -r 26744ad37953 -r fc45f22c8100 cubicweb/server/test/unittest_serverctl.py
--- a/cubicweb/server/test/unittest_serverctl.py	Fri Apr 05 17:58:19 2019 +0200
+++ b/cubicweb/server/test/unittest_serverctl.py	Tue Mar 26 16:22:31 2019 +0100
@@ -1,7 +1,6 @@
 import os.path as osp
 import shutil
-
-from mock import patch
+from unittest.mock import patch
 
 from cubicweb import ExecutionError
 from cubicweb.devtools import testlib, ApptestConfiguration