From d5fddd5f1bede12e9128b773a1cfab3dab3f286b Mon Sep 17 00:00:00 2001
From: smr02 <67860835+smr02@users.noreply.github.com>
Date: Wed, 2 Oct 2024 13:50:56 +0200
Subject: [PATCH] 
 https://github.com/IfcOpenShell/IfcOpenShell/issues/5511#issuecomment-2388073735

---
 src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py b/src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py
index f2c7dd8f11..21ef97ac65 100644
--- a/src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py
+++ b/src/ifcopenshell-python/ifcopenshell/geom/occ_utils.py
@@ -225,7 +225,10 @@ def serialize_shape(shape):
     shapes.SetFormatNb(2)
 
     shapes.Add(shape)
-    return shapes.WriteToString()
+    if hasattr(shapes, "WriteToString"):
+        return shapes.WriteToString()
+    else:
+        return shapes.Write()
 
 
 def create_shape_from_serialization(