`update_membership` declaration: now always returns an event id. (#7809)

1 files changed, 2 insertions, 4 deletions

diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py

index 46811abbfa..f40ed82142 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -217,10 +217,8 @@ class RoomStateEventRestServlet(TransactionRestServlet):
             )
             event_id = event.event_id
 
-        ret = {}  # type: dict
-        if event_id:
-            set_tag("event_id", event_id)
-            ret = {"event_id": event_id}
+        set_tag("event_id", event_id)
+        ret = {"event_id": event_id}
         return 200, ret