Add new diff tax_update_unit_price to control the update_unit_price field from parenttoo

series

@@ -10,6 +10,7 @@ issue8834.diff # [account_payment_clearing] Party required when mark a payment s
 issue3932.diff # [account] rule account move and account move line by company
 issue8469.diff # [account] Wrong domain in action move line receivable
 issue5057.diff # [account] Cannot change the date of a move after creating move lines
+tax_update_unit_price.diff # [account] Add the update_unit_price control on parent tax
 
 account_asset.diff # [account_asset] check if exist asset_lines
 

tax_update_unit_price.diff

@@ -0,0 +1,13 @@
+diff --git a/tax.py b/tax.py
+--- a/trytond/trytond/modules/account/tax.py	Thu Gen 20 10:25:13 2020 +0200
++++ b/trytond/trytond/modules/account/tax.py	Thu Gen 20 10:32:48 2020 +0200
+@@ -906,7 +906,8 @@ class Tax(sequence_ordered(), ModelSQL, ModelView, DeactivableMixin):
+                 if len(tax.childs):
+                     values.extend(
+                         cls._unit_compute(tax.childs, price_unit, date))
+-                if tax.update_unit_price:
++                if (tax.update_unit_price or
++                        tax.parent and tax.parent.update_unit_price):
+                     for value in values:
+                         unit_price_variation += value['amount']
+                 res.extend(values)