Fix `m.room_key_request` to-device messages (#9961)

fixes #9960 

1 files changed, 4 insertions, 1 deletions

diff --git a/synapse/api/constants.py b/synapse/api/constants.py

index ab628b2be7..3940da5c88 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -116,9 +116,12 @@ class EventTypes:
     MSC1772_SPACE_PARENT = "org.matrix.msc1772.space.parent"
 
 
+class ToDeviceEventTypes:
+    RoomKeyRequest = "m.room_key_request"
+
+
 class EduTypes:
     Presence = "m.presence"
-    RoomKeyRequest = "m.room_key_request"
 
 
 class RejectedReason: