commit 91554e4c5ca3c762998296522f854a7166ba84f0
author Christian Heimes <christian@python.org> Sun May 02 09:47:45 2021 +0200
committer GitHub <noreply@github.com> Sun May 02 09:47:45 2021 +0200
tree aa6e08eedef59c4a4d5c750ed60e5d463f05a4ad
parent fd0bc7e7f4f2c7de98a1ebc7ad1ef65b8f8f7ad6

bpo-43908: Mark ssl, hash, and hmac types as immutable (GH-25792)

Signed-off-by: Christian Heimes <christian@python.org>

Lib/test/test_hmac.py

diff --git a/Lib/test/test_hmac.py b/Lib/test/test_hmac.py
index 22d74e9..964acd0 100644
--- a/Lib/test/test_hmac.py
+++ b/Lib/test/test_hmac.py
@@ -444,6 +444,9 @@ def test_internal_types(self):
         ):
             C_HMAC()
 
+        with self.assertRaisesRegex(TypeError, "immutable type"):
+            C_HMAC.value = None
+
     @unittest.skipUnless(sha256_module is not None, 'need _sha256')
     def test_with_sha256_module(self):
         h = hmac.HMAC(b"key", b"hash this!", digestmod=sha256_module.sha256)