From ffe438d8034ef45cd058341534ff3f4482d0f288 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20tom=20W=C3=B6rden?= <h.tomwoerden@indiscale.com>
Date: Fri, 5 Apr 2024 09:45:50 +0200
Subject: [PATCH] FIX: treat None datatype

---
 src/linkahead/common/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/linkahead/common/models.py b/src/linkahead/common/models.py
index 2828b1ad..c7a9cd6d 100644
--- a/src/linkahead/common/models.py
+++ b/src/linkahead/common/models.py
@@ -3445,7 +3445,7 @@ class Container(list):
 
             for prop in container_item.get_properties():
                 prop_dt = prop.datatype
-                if is_reference(prop_dt):
+                if prop_dt is not None and is_reference(prop_dt):
                     # add only if it is a reference, not a simple property
                     # Step 1: look for prop.value
                     if prop.value is not None:
-- 
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