diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/handlers/federation.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index b9b2e25d1f..653ab0dbfa 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -114,9 +114,9 @@ class FederationHandler(BaseHandler): event_ids = set() if state: - event_ids += {e.event_id for e in state} + event_ids |= {e.event_id for e in state} if auth_chain: - event_ids += {e.event_id for e in auth_chain} + event_ids |= {e.event_id for e in auth_chain} seen_ids = (yield self.store.have_events(event_ids)).keys() |