Fix backfill when cannot find an event.

`get_pdu` can succeed but return None.
2016-09-12 14:59:43 +01:00 · 2016-09-12 14:59:43 +01:00 · 706b5d76ed
parent aa7b890cfe
commit 706b5d76ed
1 changed files with 1 additions and 1 deletions
--- a/synapse/federation/federation_client.py
+++ b/synapse/federation/federation_client.py
@ -481,7 +481,7 @@ class FederationClient(FederationBase):
                defer.DeferredList(deferreds, consumeErrors=True)
            )
            for success, result in res:
-                if success:
+                if success and result:
                    signed_events.append(result)
                    batch.discard(result.event_id)