1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/types.py b/synapse/types.py
index ee169a3be8..35a205bc8c 100644
--- a/synapse/types.py
+++ b/synapse/types.py
@@ -543,7 +543,7 @@ class ThirdPartyInstanceID(
 
 
 @attr.s(slots=True)
-class ReadReceipt(object):
+class ReadReceipt:
     """Information about a read-receipt"""
 
     room_id = attr.ib()