diff --git a/base_partner_merge/base_partner_merge.py b/base_partner_merge/base_partner_merge.py
index 416430d0b..f3d1055ad 100644
--- a/base_partner_merge/base_partner_merge.py
+++ b/base_partner_merge/base_partner_merge.py
@@ -20,7 +20,7 @@ from openerp.osv import fields
 from openerp.osv.orm import browse_record
 from openerp.tools.translate import _
 
-pattern = re.compile("&(\w+?);")
+pattern = re.compile(r"&(\w+?);")
 
 _logger = logging.getLogger('base.partner.merge')
 
diff --git a/partner_auto_salesman/__init__.py b/partner_auto_salesman/__init__.py
index baddfb7e4..2db3e2a08 100644
--- a/partner_auto_salesman/__init__.py
+++ b/partner_auto_salesman/__init__.py
@@ -19,4 +19,4 @@
 #
 ##############################################################################
 
-import res_partner
+from . import res_partner
diff --git a/partner_firstname/tests/__init__.py b/partner_firstname/tests/__init__.py
index c0902dd38..5c1049505 100644
--- a/partner_firstname/tests/__init__.py
+++ b/partner_firstname/tests/__init__.py
@@ -28,7 +28,7 @@
 #
 ##############################################################################
 
-import test_partner_firstname
+from . import test_partner_firstname
 
 checks = [
     test_partner_firstname
diff --git a/res_partner_affiliate/__init__.py b/res_partner_affiliate/__init__.py
index 998876a61..3cd8dd337 100644
--- a/res_partner_affiliate/__init__.py
+++ b/res_partner_affiliate/__init__.py
@@ -19,4 +19,4 @@
 #
 ##############################################################################
 
-import res_partner
+from . import res_partner