diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py
index fe5a7a9fa0..3a7bc0c9a7 100644
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@@ -518,7 +518,6 @@ class FederationClient(FederationBase):
             # Are we missing any?
 
             seen_events = set(earliest_events_ids)
-
             seen_events.update(e.event_id for e in signed_events)
 
             missing_events = {}