[MIG] product_sequence: Migration to 16.0

product_sequence/models/product_category.py

@@ -36,7 +36,6 @@ class ProductCategory(models.Model):
         }
         return vals
 
-    @api.multi
     def write(self, vals):
         prefix = vals.get("code_prefix")
         if prefix:

product_sequence/models/product_product.py

@@ -13,7 +13,7 @@ class ProductProduct(models.Model):
     default_code = fields.Char(
         required=True,
         default='/',
-        track_visibility='onchange',
+        tracking=True,
         help="Set to '/' and save if you want a new internal reference "
              "to be proposed."
     )
@@ -35,7 +35,6 @@ class ProductProduct(models.Model):
             vals['default_code'] = sequence.next_by_id()
         return super().create(vals)
 
-    @api.multi
     def write(self, vals):
         """To assign a new internal reference, just write '/' on the field.
         Note this is up to the user, if the product category is changed,
@@ -55,7 +54,6 @@ class ProductProduct(models.Model):
             return True
         return super().write(vals)
 
-    @api.multi
     def copy(self, default=None):
         if default is None:
             default = {}