diff --git a/addons/account_voucher/test/case1_usd_usd.yml b/addons/account_voucher/test/case1_usd_usd.yml
index 0f4c2058fc7..2b8e5b1d8b3 100644
--- a/addons/account_voucher/test/case1_usd_usd.yml
+++ b/addons/account_voucher/test/case1_usd_usd.yml
@@ -159,7 +159,8 @@
   I fill amounts 180 for the invoice of 200$ and 70 for the invoice of 100$>
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_1_case1'))
     data = []
@@ -256,7 +257,8 @@
   I fill amounts 20 for the invoice of 200$ and 30 for the invoice of 100$
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_2_case1'))
     data = []
diff --git a/addons/account_voucher/test/case2_suppl_usd_eur.yml b/addons/account_voucher/test/case2_suppl_usd_eur.yml
index b32228032d3..3ae58e752cd 100644
--- a/addons/account_voucher/test/case2_suppl_usd_eur.yml
+++ b/addons/account_voucher/test/case2_suppl_usd_eur.yml
@@ -131,7 +131,8 @@
   I fill amounts 180 for the invoice of 200$ and 70 for the invoice of 100$
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_1_case2_suppl'))
     data = []
@@ -236,7 +237,8 @@
   I fill amounts 20 for the invoice of 200$ and 30 for the invoice of 100$>
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_2_case2_suppl'))
     data = []
diff --git a/addons/account_voucher/test/case2_usd_eur_debtor_in_eur.yml b/addons/account_voucher/test/case2_usd_eur_debtor_in_eur.yml
index 275e4c58835..9a367b90be1 100644
--- a/addons/account_voucher/test/case2_usd_eur_debtor_in_eur.yml
+++ b/addons/account_voucher/test/case2_usd_eur_debtor_in_eur.yml
@@ -163,7 +163,8 @@
   I fill amounts 130 for the invoice of 200$ and 70 for the invoice of 100$
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_1_case2a'))
     data = []
@@ -231,7 +232,8 @@
   and I fully reconcile the 2 previous invoices
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_2_case2a'))
     data = []
diff --git a/addons/account_voucher/test/case2_usd_eur_debtor_in_usd.yml b/addons/account_voucher/test/case2_usd_eur_debtor_in_usd.yml
index 667882e3a32..d54fdc17fd7 100644
--- a/addons/account_voucher/test/case2_usd_eur_debtor_in_usd.yml
+++ b/addons/account_voucher/test/case2_usd_eur_debtor_in_usd.yml
@@ -163,7 +163,8 @@
   I fill amounts 130 for the invoice of 200$ and 70 for the invoice of 100$>
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_1_case2b'))
     data = []
@@ -246,7 +247,8 @@
   and I fully reconcil the 2 previous invoices
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_2_case2b'))
     data = []
diff --git a/addons/account_voucher/test/case3_eur_eur.yml b/addons/account_voucher/test/case3_eur_eur.yml
index f2f9461c31e..b9a4ce8e02c 100644
--- a/addons/account_voucher/test/case3_eur_eur.yml
+++ b/addons/account_voucher/test/case3_eur_eur.yml
@@ -118,7 +118,8 @@
   I fill amounts 100 for the invoice of 150€ and 20 for the invoice of 80€
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_1_case3'))
     data = []
@@ -208,7 +209,8 @@
   I fill amounts 50 for the invoice of 150€ and 70 for the invoice of 80€
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_2_case3'))
     data = []
diff --git a/addons/account_voucher/test/case4_cad_chf.yml b/addons/account_voucher/test/case4_cad_chf.yml
index bc33e387a85..cf1c4fe5737 100644
--- a/addons/account_voucher/test/case4_cad_chf.yml
+++ b/addons/account_voucher/test/case4_cad_chf.yml
@@ -118,7 +118,8 @@
   I completly pay the invoice of 200 CAD
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_1_case4'))
     data = []
diff --git a/addons/account_voucher/test/case5_suppl_usd_usd.yml b/addons/account_voucher/test/case5_suppl_usd_usd.yml
index 3ef6d1269b7..ace88e0bd4d 100644
--- a/addons/account_voucher/test/case5_suppl_usd_usd.yml
+++ b/addons/account_voucher/test/case5_suppl_usd_usd.yml
@@ -124,7 +124,8 @@
   I fill $1000 for the previously encoded invoice
 -
   !python {model: account.voucher}: |
-    import netsvc, time
+    import time
+    from openerp import netsvc
     vals = {}
     voucher_id = self.browse(cr, uid, ref('account_voucher_case_5_supplier_flow'))
     for item in voucher_id.line_dr_ids: