diff --git a/carrier.py b/carrier.py
index b2192ce817..2d87551d99 100644
--- a/carrier.py
+++ b/carrier.py
@@ -1,5 +1,7 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
+from __future__ import absolute_import
+
 import locale
 
 from zeep.exceptions import Fault
diff --git a/stock.py b/stock.py
index 1592cbb29f..5ae371fad3 100644
--- a/stock.py
+++ b/stock.py
@@ -1,5 +1,6 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
+from __future__ import absolute_import
 
 import locale
 from io import BytesIO