adapt modules to 2.9

sale_discount.partch

@@ -0,0 +1,11 @@
+--- a/modules/sale_discount/sale.py
++++ b/modules/sale_discount/sale.py
+@@ -35,7 +35,7 @@ class Sale:
+                         })
+         return shipments
+ 
+-    def get_tax_amount(self, name):
++    def get_tax_amount(self):
+         '''
+         Get taxes unit_price - discount
+         '''

series

@@ -1 +1,4 @@
 issue001_party_event_python_sql
+sale_discount.partch
+stock_valued.diff
+stock_valued_discount.patch

stock_valued.diff

@@ -0,0 +1,36 @@
+--- a/modules/stock_valued/shipment.py
++++ b/modules/stock_valued/shipment.py
+@@ -1,5 +1,5 @@
+ #This file is part stock_valued module for Tryton.
+-#The COPYRIGHT file at the top level of this repository contains 
++#The COPYRIGHT file at the top level of this repository contains
+ #the full copyright notices and license terms.
+ 
+ from trytond.model import fields
+@@ -62,7 +62,7 @@ class ShipmentOut:
+             context['language'] = self.customer.lang.code
+         return context
+ 
+-    def get_untaxed_amount(self, name):
++    def get_untaxed_amount(self):
+         '''
+         Compute the untaxed amount for each ShipmentOut
+         '''
+@@ -73,7 +73,7 @@ class ShipmentOut:
+         amount = sum((m.amount for m in self.outgoing_moves), Decimal(0))
+         return Currency.round(self.company.currency, amount)
+ 
+-    def get_tax_amount(self, name):
++    def get_tax_amount(self):
+         '''
+         Compute tax amount for each ShipmentOut
+         '''
+@@ -102,7 +102,7 @@ class ShipmentOut:
+                 for key in taxes), Decimal(0))
+         return Currency.round(self.company.currency, amount)
+ 
+-    def get_total_amount(self, name):
++    def get_total_amount(self):
+         '''
+         Return the total amount of each ShipmentOut
+         '''

stock_valued_discount.patch

@@ -0,0 +1,18 @@
+--- a/modules/stock_valued_discount/shipment.py
++++ b/modules/stock_valued_discount/shipment.py
+@@ -1,5 +1,5 @@
+ #This file is part stock_valued_discount module for Tryton.
+-#The COPYRIGHT file at the top level of this repository contains 
++#The COPYRIGHT file at the top level of this repository contains
+ #the full copyright notices and license terms.
+ from trytond.transaction import Transaction
+ from trytond.pool import Pool, PoolMeta
+@@ -13,7 +13,7 @@ class ShipmentOut:
+     "Customer Shipment"
+     __name__ = 'stock.shipment.out'
+ 
+-    def get_tax_amount(self, name):
++    def get_tax_amount(self):
+         '''
+         Compute tax amount for each ShipmentOut
+         '''