Add module service_line_qty_update_sale

service_line_qty_update_purchase/models/purchase_order.py

@@ -2,7 +2,7 @@
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import fields, models
+from odoo import api, fields, models
 
 
 class PurchaseOrder(models.Model):
@@ -10,6 +10,7 @@ class PurchaseOrder(models.Model):
 
     has_service = fields.Boolean(compute='_compute_has_service')
 
+    @api.depends('order_line.product_id.type')
     def _compute_has_service(self):
         for order in self:
             has_service = False