corrections

purchase.py

@@ -56,7 +56,7 @@ class Purchase(metaclass=PoolMeta):
                     equipment.save()
                 else:
                     continue
-            purchase.equipment_available = True
+            purchase.equipment_create = True
             cls.save(purchases)
         else:
             raise InvalidNumberPurchases(

subscription.py

@@ -10,7 +10,7 @@ class Subscription(metaclass=PoolMeta):
     equipments = fields.Many2Many('sale.subscription-optical_equipment.equipment', 'subscription',
                                   'equipment', "Equipments")
 
-    @classmethod
+    """@classmethod
     @ModelView.button
     @Workflow.transition('running')
     @set_employee('run_by')
@@ -39,11 +39,29 @@ class Subscription(metaclass=PoolMeta):
                         line.compute_next_consumption_date())
             lines.extend(subscription.lines)
         Line.save(lines)
-        cls.save(subscriptions)
+        cls.save(subscriptions)"""
 
+    """
+    @classmethod
+    def __setup__(cls):
+        super(Subscription, cls).__setup__()
+        cls._order = [
+            ('end_date', 'DESC'),
+            ('id', 'DESC'),
+            ]
+    """
+        
 class SubscriptionEquipment(ModelSQL):
     'Optical Equipment - Subscription'
     __name__ = 'sale.subscription-optical_equipment.equipment'
     
     subscription = fields.Many2One('sale.subscription', 'Subscription', select=True)
     equipment = fields.Many2One('optical_equipment.equipment', 'Equipment', select=True)
+
+    @classmethod
+    def __setup__(cls):
+        super(SubscriptionEquipment, cls).__setup__()
+        cls._order = [
+            ('start_date', 'DESC'),
+            ('id', 'DESC'),
+            ]

view/optical_equipment_configuration_form.xml

@@ -3,7 +3,7 @@
 this repository contains the full copyright notices and license terms. -->
 
 <form>
-    <separator id="sequences" string="Sequences" colspan="1"/>
+    <separator id="sequences" string="Sequences" colspan="4"/>
     <label name="equipment_sequence"/>
     <field name="equipment_sequence"/>
 </form>