1 files changed, 1 insertions, 3 deletions
diff --git a/synapse/storage/databases/main/deviceinbox.py b/synapse/storage/databases/main/deviceinbox.py
index 50e7ddd735..c55508867d 100644
--- a/synapse/storage/databases/main/deviceinbox.py
+++ b/synapse/storage/databases/main/deviceinbox.py
@@ -203,9 +203,7 @@ class DeviceInboxWorkerStore(SQLBaseStore):
             "delete_messages_for_device", delete_messages_for_device_txn
         )
 
-        log_kv(
-            {"message": "deleted {} messages for device".format(count), "count": count}
-        )
+        log_kv({"message": f"deleted {count} messages for device", "count": count})
 
         # Update the cache, ensuring that we only ever increase the value
         last_deleted_stream_id = self._last_device_delete_cache.get(