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, 2 insertions, 2 deletions

diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py

index 9f3d23f0a5..76bc3afdfa 100644
--- a/synapse/storage/util/id_generators.py
+++ b/synapse/storage/util/id_generators.py
@@ -25,7 +25,7 @@ from synapse.storage.database import DatabasePool, LoggingTransaction
 from synapse.storage.util.sequence import PostgresSequenceGenerator
 
 
-class IdGenerator(object):
+class IdGenerator:
     def __init__(self, db_conn, table, column):
         self._lock = threading.Lock()
         self._next_id = _load_current_id(db_conn, table, column)
@@ -59,7 +59,7 @@ def _load_current_id(db_conn, table, column, step=1):
     return (max if step > 0 else min)(current_id, step)
 
 
-class StreamIdGenerator(object):
+class StreamIdGenerator:
     """Used to generate new stream ids when persisting events while keeping
     track of which transactions have been completed.