1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/handlers/acme_issuing_service.py b/synapse/handlers/acme_issuing_service.py

index e1d4224e74..69650ff221 100644
--- a/synapse/handlers/acme_issuing_service.py
+++ b/synapse/handlers/acme_issuing_service.py
@@ -78,7 +78,7 @@ def create_issuing_service(reactor, acme_url, account_key_file, well_known_resou
 
 @attr.s
 @implementer(ICertificateStore)
-class ErsatzStore(object):
+class ErsatzStore:
     """
     A store that only stores in memory.
     """