From 47dc1a6c68e6c98557aff152b636079d17c5beab Mon Sep 17 00:00:00 2001
From: Andrej730 <azhilenkov@gmail.com>
Date: Sat, 18 Jul 2026 13:00:37 +0500
Subject: [PATCH] edit_true_north: handle unsetting case when `TrueNorth` is
 already `None`

---
 .../ifcopenshell/api/georeference/edit_true_north.py           | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ifcopenshell-python/ifcopenshell/api/georeference/edit_true_north.py b/src/ifcopenshell-python/ifcopenshell/api/georeference/edit_true_north.py
index 5a39f917f4..58ab003e98 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/georeference/edit_true_north.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/georeference/edit_true_north.py
@@ -65,6 +65,9 @@ def edit_true_north(file: ifcopenshell.file, true_north: Optional[Union[tuple[fl
                 ifcopenshell.util.element.remove_deep2(file, old_true_north)
             continue
 
+        if true_north is None:
+            continue
+
         if context.TrueNorth:
             if file.get_total_inverses(context.TrueNorth) != 1:
                 context.TrueNorth = file.create_entity("IfcDirection")