diff --git a/testing/python/metafunc.py b/testing/python/metafunc.py
index 9ef95dd6bc7..0ed9f56bfee 100644
--- a/testing/python/metafunc.py
+++ b/testing/python/metafunc.py
@@ -240,8 +240,13 @@ def test_class_or_function_idval(self):
         values that are classes or functions: their __name__.
         """
         from _pytest.python import _idval
-        class TestClass: pass
-        def test_function(): pass
+
+        class TestClass:
+            pass
+
+        def test_function():
+            pass
+
         values = [
             (TestClass, "TestClass"),
             (test_function, "test_function"),