Update formatting in test_create_builtin()

Author: dr-carlos

Lib/test/test_import/__init__.py

@@ -1258,21 +1258,14 @@ class Spec:
             name = None
         spec = Spec()
 
-        with self.assertRaisesRegex(
-            TypeError,
-            'name must be string, not NoneType'
-        ):
+        with self.assertRaisesRegex(TypeError, 'name must be string, not NoneType'):
             _imp.create_builtin(spec)
 
-        class Spec:
-            name = ""
+        spec.name = ""
         spec = Spec()
 
         # gh-142029
-        with self.assertRaisesRegex(
-            TypeError,
-            'name must not be empty'
-        ):
+        with self.assertRaisesRegex(TypeError,'name must not be empty'):
             _imp.create_builtin(spec)
 
     def test_filter_syntax_warnings_by_module(self):