From d352db146fb62f0bf73f5a6175a99f53fee6c933 Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Sat, 20 Jun 2026 00:05:09 +0200
Subject: [PATCH] Trying to fix unit tests with Python 3.14 - it delivers a
 different reference count under unit test conditions

---
 testdata/python/dbShapesTest.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/testdata/python/dbShapesTest.py b/testdata/python/dbShapesTest.py
index 2be2b5c49..47622e442 100644
--- a/testdata/python/dbShapesTest.py
+++ b/testdata/python/dbShapesTest.py
@@ -53,13 +53,18 @@ class DBShapesTest(unittest.TestCase):
   # Issue #2012 (reference count)
   def test_2(self):
 
+    # an empty dict provides the normal reference count
+    obj = {}
+    rc = sys.getrefcount(obj)
+
     ly = pya.Layout()
+    self.assertEqual(sys.getrefcount(ly), rc)
     top = ly.create_cell("TOP")
     l1 = ly.layer(1, 0)
     top.shapes(l1).insert(pya.Box(0, 0, 100, 200))
 
     shapes = top.shapes(l1)
-    self.assertEqual(sys.getrefcount(shapes), 2)
+    self.assertEqual(sys.getrefcount(shapes), rc)
 
   # Tests the ability to take PolygonWithProperties instead of base class
   # for setter