Patch-Source: https://github.com/sissaschool/xmlschema/issues/412

diff --git a/tests/validators/test_schemas.py b/tests/validators/test_schemas.py
index 5d23b86f9..72510e6be 100644
--- a/tests/validators/test_schemas.py
+++ b/tests/validators/test_schemas.py
@@ -702,7 +702,7 @@ class TestXMLSchema10(XsdValidatorTestCase):
 
         with self.assertRaises((pickle.PicklingError, AttributeError)) as ec:
             pickle.dumps(schema)
-        self.assertIn("Can't pickle", str(ec.exception))
+        self.assertIn("Can't get local object", str(ec.exception))
 
     def test_meta_schema_validation(self):
         self.assertTrue(self.schema_class.meta_schema.is_valid(self.vh_xsd_file))