From: Nikita Sobolev <mail@sobolevn.me>
Date: Wed, 16 Aug 2023 13:30:03 +0000 (+0300)
Subject: gh-107909: Test explicit `object` base in PEP695 generic classes (#108001)
X-Git-Tag: v3.13.0a1~952
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b61f5995aebb93496e968ca8d307375fa86d9329;p=thirdparty%2FPython%2Fcpython.git

gh-107909: Test explicit `object` base in PEP695 generic classes (#108001)
---

diff --git a/Lib/test/test_type_params.py b/Lib/test/test_type_params.py
index bced641a9661..0045057f181e 100644
--- a/Lib/test/test_type_params.py
+++ b/Lib/test/test_type_params.py
@@ -148,6 +148,10 @@ class TypeParamsInvalidTest(unittest.TestCase):
         check_syntax_error(self, "def f[T: [(x := 3) for _ in range(2)]](): pass")
         check_syntax_error(self, "type T = [(x := 3) for _ in range(2)]")
 
+    def test_incorrect_mro_explicit_object(self):
+        with self.assertRaisesRegex(TypeError, r"\(MRO\) for bases object, Generic"):
+            class My[X](object): ...
+
 
 class TypeParamsNonlocalTest(unittest.TestCase):
     def test_nonlocal_disallowed_01(self):