[FIX] hr_expense: compute price unit in correct currency

addons/hr_expense/models/hr_expense.py

@@ -222,9 +222,12 @@ class HrExpense(models.Model):
         for expense in self.filtered('product_id'):
             expense = expense.with_company(expense.company_id)
             expense.name = expense.name or expense.product_id.display_name
-            if not expense.attachment_number or (expense.attachment_number and not expense.unit_amount):
-                expense.unit_amount = expense.product_id.price_compute('standard_price')[expense.product_id.id]
             expense.product_uom_id = expense.product_id.uom_id
+            if not expense.attachment_number or (expense.attachment_number and not expense.unit_amount):
+                expense.unit_amount = expense.product_id.price_compute(
+                    'standard_price',
+                    uom=expense.product_uom_id,
+                    currency=expense.currency_id)[expense.product_id.id]
             expense.tax_ids = expense.product_id.supplier_taxes_id.filtered(lambda tax: tax.company_id == expense.company_id)  # taxes only from the same company
             account = expense.product_id.product_tmpl_id._get_product_accounts()['expense']
             if account: