1 files changed, 3 insertions, 1 deletions
diff --git a/synapse/groups/attestations.py b/synapse/groups/attestations.py
index d2fc8be5f5..ff8372c4e9 100644
--- a/synapse/groups/attestations.py
+++ b/synapse/groups/attestations.py
@@ -108,7 +108,9 @@ class GroupAttestationSigning:
 
         assert server_name is not None
         await self.keyring.verify_json_for_server(
-            server_name, attestation, now, "Group attestation"
+            server_name,
+            attestation,
+            now,
         )
 
     def create_attestation(self, group_id: str, user_id: str) -> JsonDict: