From 4d3debe2c328248a6c1643b278bd8170b2f016c0 Mon Sep 17 00:00:00 2001
From: Thomas Binsfeld <thomas.binsfeld@acsone.eu>
Date: Mon, 9 Oct 2017 10:02:15 +0200
Subject: [PATCH] [FIX] purchase: do not show all pickings from PO if there are
 no picking

Closes #19961.
---
 addons/purchase/models/purchase.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/addons/purchase/models/purchase.py b/addons/purchase/models/purchase.py
index 235df7825c7..580a44da121 100644
--- a/addons/purchase/models/purchase.py
+++ b/addons/purchase/models/purchase.py
@@ -477,7 +477,7 @@ class PurchaseOrder(models.Model):
         result['context'] = {}
         pick_ids = self.mapped('picking_ids')
         #choose the view_mode accordingly
-        if len(pick_ids) > 1:
+        if not pick_ids or len(pick_ids) > 1:
             result['domain'] = "[('id','in',%s)]" % (pick_ids.ids)
         elif len(pick_ids) == 1:
             res = self.env.ref('stock.view_picking_form', False)