From d96e1d2348113e3fc0c7961d83d278933d090a6d Mon Sep 17 00:00:00 2001
From: Radek Czajka <rczajka@rczajka.pl>
Date: Tue, 12 Oct 2021 15:38:31 +0200
Subject: [PATCH 1/1] pz admin fix

---
 src/pz/admin.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/pz/admin.py b/src/pz/admin.py
index 6c51aefaa..25c700b95 100644
--- a/src/pz/admin.py
+++ b/src/pz/admin.py
@@ -130,9 +130,12 @@ class BankOrderAdmin(admin.ModelAdmin):
         return fields
 
     def download(self, obj):
-        return mark_safe('<a href="{}">Download</a>'.format(
-            reverse('admin:pz_bankorder_download', args=[obj.pk])
-        ))
+        if obj is not None and obj.pk:
+            return mark_safe('<a href="{}">Download</a>'.format(
+                reverse('admin:pz_bankorder_download', args=[obj.pk])
+            ))
+        else:
+            return ''
 
     def get_urls(self):
         urls = super().get_urls()
-- 
2.20.1