diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py
index 69a7182ef4..13ec1f71a6 100644
--- a/synapse/appservice/__init__.py
+++ b/synapse/appservice/__init__.py
@@ -27,12 +27,12 @@ if TYPE_CHECKING:
logger = logging.getLogger(__name__)
-class ApplicationServiceState(object):
+class ApplicationServiceState:
DOWN = "down"
UP = "up"
-class AppServiceTransaction(object):
+class AppServiceTransaction:
"""Represents an application service transaction."""
def __init__(self, service, id, events):
@@ -64,7 +64,7 @@ class AppServiceTransaction(object):
await store.complete_appservice_txn(service=self.service, txn_id=self.id)
-class ApplicationService(object):
+class ApplicationService:
"""Defines an application service. This definition is mostly what is
provided to the /register AS API.
diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py
index d5204b1314..8eb8c6f51c 100644
--- a/synapse/appservice/scheduler.py
+++ b/synapse/appservice/scheduler.py
@@ -57,7 +57,7 @@ from synapse.metrics.background_process_metrics import run_as_background_process
logger = logging.getLogger(__name__)
-class ApplicationServiceScheduler(object):
+class ApplicationServiceScheduler:
""" Public facing API for this module. Does the required DI to tie the
components together. This also serves as the "event_pool", which in this
case is a simple array.
@@ -86,7 +86,7 @@ class ApplicationServiceScheduler(object):
self.queuer.enqueue(service, event)
-class _ServiceQueuer(object):
+class _ServiceQueuer:
"""Queue of events waiting to be sent to appservices.
Groups events into transactions per-appservice, and sends them on to the
@@ -133,7 +133,7 @@ class _ServiceQueuer(object):
self.requests_in_flight.discard(service.id)
-class _TransactionController(object):
+class _TransactionController:
"""Transaction manager.
Builds AppServiceTransactions and runs their lifecycle. Also starts a Recoverer
@@ -209,7 +209,7 @@ class _TransactionController(object):
return state == ApplicationServiceState.UP or state is None
-class _Recoverer(object):
+class _Recoverer:
"""Manages retries and backoff for a DOWN appservice.
We have one of these for each appservice which is currently considered DOWN.
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