diff --git a/purchase_customer_requisition/__manifest__.py b/purchase_customer_requisition/__manifest__.py
index 63bd0bd..f6bbe42 100644
--- a/purchase_customer_requisition/__manifest__.py
+++ b/purchase_customer_requisition/__manifest__.py
@@ -1,26 +1,28 @@
 {
-    'name': 'Purchase Customer Requisition',
-    'version': '1.0',
-    'category': 'Purchase',
-    'summary': 'Link customer requisition references to purchase orders',
-    'description': """
+    "name": "Purchase Customer Requisition",
+    "version": "1.0",
+    "category": "Purchase",
+    "summary": "Link customer requisition references to purchase orders",
+    "description": """
         This module allows to:
         * Store customer-specific requisition references for suppliers
         * Automatically add these references to purchase order lines
         * Track customer requisition numbers across purchase orders
     """,
-    'license': 'LGPL-3',
-    'depends': [
-        'purchase_stock',
-        'sale_purchase',
-        'purchase_requisition'
+    "license": "LGPL-3",
+    "depends": [
+        "sale",
+        "purchase",
+        "stock",
+        "purchase_requisition_stock",
+        "purchase_requisition",
     ],
-    'data': [
-        'security/ir.model.access.csv',
-        'views/purchase_views.xml',
-        'views/purchase_requisition_views.xml',
+    "data": [
+        "security/ir.model.access.csv",
+        "views/purchase_views.xml",
+        "views/purchase_requisition_views.xml",
     ],
-    'installable': True,
-    'application': False,
-    'auto_install': False,
-}
\ No newline at end of file
+    "installable": True,
+    "application": False,
+    "auto_install": False,
+}
diff --git a/purchase_customer_requisition/models/purchase_order_line.py b/purchase_customer_requisition/models/purchase_order_line.py
index d307498..c596d61 100644
--- a/purchase_customer_requisition/models/purchase_order_line.py
+++ b/purchase_customer_requisition/models/purchase_order_line.py
@@ -62,7 +62,7 @@ class PurchaseOrderLine(models.Model):
                 line.requisition_id = requisition_lines.filtered(
                     lambda req_line: req_line.requisition_id
                     == line.order_id.requisition_id
-                )
+                ).requisition_id
             if not line.requisition_id and requisition_lines:
                 line.requisition_id = requisition_lines[0].requisition_id
             else:
diff --git a/purchase_customer_requisition/tests/test_purchase_order.py b/purchase_customer_requisition/tests/test_purchase_order.py
index c0e6f6a..a03a623 100644
--- a/purchase_customer_requisition/tests/test_purchase_order.py
+++ b/purchase_customer_requisition/tests/test_purchase_order.py
@@ -19,13 +19,12 @@ class TestPurchaseOrder(TransactionCase):
             {
                 "name": "SuperProduct",
                 "is_storable": True,
-                "route_ids": [(6, 0, (cls.mto_route + cls.buy_route).ids)],
+                "route_ids": [Command.set((cls.mto_route + cls.buy_route).ids)],
                 "seller_ids": [
-                    (
-                        0,
-                        0,
+                    Command.create(
                         {
                             "partner_id": cls.supplier.id,
+                            "price": 1000,
                         },
                     )
                 ],
@@ -36,36 +35,18 @@ class TestPurchaseOrder(TransactionCase):
             {
                 "name": "SuperProduct2",
                 "is_storable": True,
-                "route_ids": [(6, 0, (cls.mto_route + cls.buy_route).ids)],
+                "route_ids": [Command.set((cls.mto_route + cls.buy_route).ids)],
                 "seller_ids": [
-                    (
-                        0,
-                        0,
+                    Command.create(
                         {
                             "partner_id": cls.supplier.id,
+                            "price": 2000,
                         },
                     )
                 ],
             }
         )
 
-        cls.env["product.supplierinfo"].create(
-            [
-                {
-                    "partner_id": cls.supplier.id,
-                    "product_id": cls.product_1.id,
-                    "product_tmpl_id": cls.product_1.product_tmpl_id.id,
-                    "price": 2000,
-                },
-                {
-                    "partner_id": cls.supplier.id,
-                    "product_id": cls.product_2.id,
-                    "product_tmpl_id": cls.product_1.product_tmpl_id.id,
-                    "price": 3000,
-                },
-            ]
-        )
-
         cls.agreement_1 = cls.env["purchase.requisition"].create(
             {
                 "name": "ATRACK 123",
@@ -128,7 +109,7 @@ class TestPurchaseOrder(TransactionCase):
         )
         sale_order.action_confirm()
 
-        purchase_line = sale_order.order_line[0].purchase_line_ids
-        self.assertTrue(purchase_line)
+        self.assertTrue(sale_order._get_purchase_orders())
+        purchase_line = sale_order._get_purchase_orders()[0].order_line[0]
         self.assertEqual(purchase_line.order_id.partner_id, self.supplier)
         self.assertEqual(purchase_line.requisition_id, self.agreement_1)