From 2166437480e2f73a9eec1c2e775a7a79ceb456f3 Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Thu, 30 Mar 2023 20:09:17 +0200
Subject: [PATCH] Compatibility with other Python version

---
 src/pya/pya/pyaModule.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pya/pya/pyaModule.cc b/src/pya/pya/pyaModule.cc
index 9effd0051..d06e811a3 100644
--- a/src/pya/pya/pyaModule.cc
+++ b/src/pya/pya/pyaModule.cc
@@ -267,7 +267,8 @@ public:
 
         if (! cls->parent ()) {
           PyList_Append (m_all_list, c2python (cls->name ()));
-          PyModule_AddObjectRef (mp_module->module (), cls->name ().c_str (), (PyObject *) pt);
+          Py_INCREF ((PyObject *) pt);
+          PyModule_AddObject (mp_module->module (), cls->name ().c_str (), (PyObject *) pt);
         }
 
       }