[fix] error on group by project

models/sale_intervention.py

@@ -30,17 +30,20 @@ class SaleIntervention(models.Model):
             and pricelist.item_ids.filtered(lambda i: i.categ_id == plant_categ_id)
             and self.env.user.company_id.vat
         ):
-            quantity = (
-                self.intervention_length
+            interventions = self.project_id.intervention_ids.filtered(
+                lambda i: i.intervention_type_id == self.intervention_type_id
+            )
+            quantity = 0
+            price = 0
+            for inter in interventions:
+                quantity += (
+                    inter.intervention_length
                     if product_tmpl.uom_name == "m"
-                else self.plant_qty
+                    else inter.plant_qty
                 )
+                price += inter.price
             if quantity != 0:
-                price_unit = self.price / quantity
-                # data = {
-                #     "price_unit": price_unit,
-                #     "product_uom_qty": quantity,
-                # }
+                price_unit = price / quantity
                 plant_pricelist_item = pricelist.item_ids.filtered(
                     lambda i: i.categ_id == plant_categ_id
                 )