Merge commit '17fa4c7ca' into anoa/dinsic_release_1_21_x

* commit '17fa4c7ca':
  Catch up after Federation Outage (split, 2): Track last successful stream ordering after transmission (#8247)
  Catch-up after Federation Outage (split, 1) (#8230)
  Fix type signature in simple_select_one_onecol and friends (#8241)
  Stop sub-classing object (#8249)

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/crypto/test_keyring.py b/tests/crypto/test_keyring.py

index d264653e74..2e6e7abf1f 100644
--- a/tests/crypto/test_keyring.py
+++ b/tests/crypto/test_keyring.py
@@ -43,7 +43,7 @@ from tests import unittest
 from tests.test_utils import make_awaitable
 
 
-class MockPerspectiveServer(object):
+class MockPerspectiveServer:
     def __init__(self):
         self.server_name = "mock_server"
         self.key = signedjson.key.generate_signing_key(0)