From 8645a1c7086bb516f221391cbf6ad047cfab495d Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@netboxlabs.com>
Date: Wed, 15 Oct 2025 12:35:13 -0400
Subject: [PATCH] Fixes #20585: Fix AttributeError exception for conditionless
 single-field UniqueConstraints

---
 netbox/netbox/monkey.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netbox/netbox/monkey.py b/netbox/netbox/monkey.py
index 6a8f515df8e..be256e3ae60 100644
--- a/netbox/netbox/monkey.py
+++ b/netbox/netbox/monkey.py
@@ -22,7 +22,7 @@ def get_unique_validators(field_name, model_field):
     # START custom logic
     conditions = {
         cond for cond in conditions
-        if cond.referenced_base_fields == field_set
+        if cond is None or cond.referenced_base_fields == field_set
     }
     # END custom logic