diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py
index 0659f22a89..23a034522c 100644
--- a/synapse/rest/admin/rooms.py
+++ b/synapse/rest/admin/rooms.py
@@ -16,6 +16,8 @@ from http import HTTPStatus
from typing import TYPE_CHECKING, List, Optional, Tuple, cast
from urllib import parse as urlparse
+import attr
+
from synapse.api.constants import Direction, EventTypes, JoinRules, Membership
from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
from synapse.api.filtering import Filter
@@ -306,10 +308,13 @@ class RoomRestServlet(RestServlet):
raise NotFoundError("Room not found")
members = await self.store.get_users_in_room(room_id)
- ret["joined_local_devices"] = await self.store.count_devices_by_users(members)
- ret["forgotten"] = await self.store.is_locally_forgotten_room(room_id)
+ result = attr.asdict(ret)
+ result["joined_local_devices"] = await self.store.count_devices_by_users(
+ members
+ )
+ result["forgotten"] = await self.store.is_locally_forgotten_room(room_id)
- return HTTPStatus.OK, ret
+ return HTTPStatus.OK, result
async def on_DELETE(
self, request: SynapseRequest, room_id: str
|