tweaks

Lib/test/test_ast.py

@@ -3039,15 +3039,15 @@ def test_FunctionDef(self):
     def test_expr_context(self):
         name = ast.Name("x")
         self.assertEqual(name.id, "x")
-        self.assertEqual(name.ctx, ast.Load())
+        self.assertIsInstance(name.ctx, ast.Load)
 
         name2 = ast.Name("x", ast.Store())
         self.assertEqual(name2.id, "x")
-        self.assertEqual(name2.ctx, ast.Store())
+        self.assertIsInstance(name2.ctx, ast.Store)
 
         name3 = ast.Name("x", ctx=ast.Del())
         self.assertEqual(name3.id, "x")
-        self.assertEqual(name3.ctx, ast.Del())
+        self.assertIsInstance(name3.ctx, ast.Del)
 
         with self.assertWarnsRegex(DeprecationWarning,
                                    r"Name\.__init__ missing 1 required positional argument: 'id'"):

Parser/asdl_c.py

@@ -1034,8 +1034,8 @@ def visitModule(self, mod):
                 if (PyErr_WarnFormat(
                     PyExc_DeprecationWarning, 1,
                     "%.400s.__init__ missing 1 required positional argument: '%U'. "
-                    "This will become an error in Python 3.15. %R",
-                    Py_TYPE(self)->tp_name, name, type
+                    "This will become an error in Python 3.15.",
+                    Py_TYPE(self)->tp_name, name
                 ) < 0) {
                     goto set_remaining_cleanup;
                 }