diff --git a/addons/stock_account/models/stock.py b/addons/stock_account/models/stock.py
index f7ccabb3089..f8d6655a21d 100644
--- a/addons/stock_account/models/stock.py
+++ b/addons/stock_account/models/stock.py
@@ -24,11 +24,10 @@ class StockInventory(models.Model):
     def post_inventory(self):
         acc_inventories = self.filtered(lambda inventory: inventory.accounting_date)
         for inventory in acc_inventories:
-            res = super(StockInventory, inventory.with_context(force_period_date=inventory.accounting_date)).post_inventory()
+            super(StockInventory, inventory.with_context(force_period_date=inventory.accounting_date)).post_inventory()
         other_inventories = self - acc_inventories
         if other_inventories:
-            res = super(StockInventory, other_inventories).post_inventory()
-        return res
+            super(StockInventory, other_inventories).post_inventory()
 
 
 class StockLocation(models.Model):