Update: Update 7.6

sale.py

@@ -41,8 +41,7 @@ class SaleLineDeleted(ModelSQL, ModelView):
     }
 
     sale = fields.Many2One(
-        'sale.sale', "Sale", ondelete='CASCADE', required=True)
-    printed = fields.Boolean("Printed")
+        'sale.sale', "Sale", ondelete='CASCADE', required=True, states=_state)
     quantity = fields.Float(
         "Quantity", digits='unit', states=_state)
     unit = fields.Many2One(

tests/scenario_sale_line_delete_log.rst

@@ -175,8 +175,4 @@ Delete a sale line::
   >>> sale.save()
   >>> len(sale.lines)
   2
-  >>> sale.reload()
-  >>> sale.delete_lines[0]
-  proteus.Model.get('sale.line_deleted')(1)
-  >>> assert isinstance(sale.delete_lines[0], Model.get('sale.line_deleted')), "it's not instance SaleLineDeleted"
-  ;
+  

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=6.8.0
+version=7.6.0
 depends:
     ir
     account

view/sale_line_deleted_form.xml

@@ -15,7 +15,5 @@ this repository contains the full copyright notices and license terms. -->
   <field name="sale_date"/>
   <label name="user"/>
   <field name="user"/>
-  <label name="printed"/>
-  <field name="printed"/>
 </form>