From 0c9d99e9c48ea782dd9c7e80ac156fd62b74f79c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cem=20G=C3=B6kmen?=
 <1408354+cgokmen@users.noreply.github.com>
Date: Wed, 15 Nov 2023 11:19:46 -0800
Subject: [PATCH] Small ORM fix

---
 bddl/knowledge_base/orm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bddl/knowledge_base/orm.py b/bddl/knowledge_base/orm.py
index c286f680..8d79d42a 100644
--- a/bddl/knowledge_base/orm.py
+++ b/bddl/knowledge_base/orm.py
@@ -127,7 +127,7 @@ def __lt__(self, other):
         if hasattr(self.Meta, "ordering"):
             order_attrs = self.Meta.ordering
         else:
-            order_attrs = self._key
+            order_attrs = [self.Meta.pk]
         self_order_key = [getattr(self, attr) for attr in order_attrs]
         other_order_key = [getattr(other, attr) for attr in order_attrs]
         return self_order_key < other_order_key