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/synapse/rest/client/transactions.py b/synapse/rest/client/transactions.py

index 6da71dc46f..7be5c0fb88 100644
--- a/synapse/rest/client/transactions.py
+++ b/synapse/rest/client/transactions.py
@@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
 CLEANUP_PERIOD_MS = 1000 * 60 * 30  # 30 mins
 
 
-class HttpTransactionCache(object):
+class HttpTransactionCache:
     def __init__(self, hs):
         self.hs = hs
         self.auth = self.hs.get_auth()