Upgrade to 5.x

__init__.py

@@ -2,14 +2,14 @@
 # The COPYRIGHT file at the top level of this repository contains the full
 # copyright notices and license terms.
 from trytond.pool import Pool
-from .shop import *
-from .journal import *
-from .sale import *
+from . import shop
+from . import journal
+from . import sale
 
 
 def register():
     Pool.register(
-        Journal,
-        SaleShop,
-        Sale,
+        journal.Journal,
+        shop.SaleShop,
+        sale.Sale,
         module='sale_shop_invoice_journal', type_='model')

journal.py

@@ -8,8 +8,7 @@ from trytond.pool import PoolMeta
 __all__ = ['Journal']
 
 
-class Journal:
-    __metaclass__ = PoolMeta
+class Journal(metaclass=PoolMeta):
     __name__ = 'account.journal'
     shops = fields.One2Many('sale.shop', 'journal', 'Shops',
             states={

sale.py

@@ -6,13 +6,12 @@ from trytond.pool import PoolMeta
 __all__ = ['Sale']
 
 
-class Sale:
-    __metaclass__ = PoolMeta
+class Sale(metaclass=PoolMeta):
     __name__ = 'sale.sale'
 
     def _get_invoice_sale(self):
         invoice = super(Sale, self)._get_invoice_sale()
-        journal = self.shop and self.shop.journal or False
+        journal = self.shop and self.shop.journal
         if journal:
             invoice.journal = journal
         return invoice

shop.py

@@ -7,8 +7,7 @@ from trytond.pool import PoolMeta
 __all__ = ['SaleShop']
 
 
-class SaleShop:
-    __metaclass__ = PoolMeta
+class SaleShop(metaclass=PoolMeta):
     __name__ = 'sale.shop'
     journal = fields.Many2One('account.journal', 'Account Journal',
         domain=[('type', '=', 'revenue')])

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=4.1.0
+version=5.0.0
 depends:
     ir
     res

view/journal_form.xml

@@ -3,7 +3,7 @@
 The COPYRIGHT file at the top level of this repository contains the full
 copyright notices and license terms. -->
 <data>
-    <xpath expr="/form/notebook/page[@id='sequences']" position="after">
+    <xpath expr="/form/notebook/page[@id='general']" position="after">
         <page string="Shops" id="shops">
             <field name="shops" colspan="4" widget="many2many"/>
         </page>