Add missing types to opentracing. (#13345)

After this change `synapse.logging` is fully typed.

1 files changed, 2 insertions, 2 deletions

diff --git a/synapse/handlers/e2e_room_keys.py b/synapse/handlers/e2e_room_keys.py

index 446f509bdc..28dc08c22a 100644
--- a/synapse/handlers/e2e_room_keys.py
+++ b/synapse/handlers/e2e_room_keys.py
@@ -14,7 +14,7 @@
 # limitations under the License.
 
 import logging
-from typing import TYPE_CHECKING, Dict, Optional
+from typing import TYPE_CHECKING, Dict, Optional, cast
 
 from typing_extensions import Literal
 
@@ -97,7 +97,7 @@ class E2eRoomKeysHandler:
                 user_id, version, room_id, session_id
             )
 
-            log_kv(results)
+            log_kv(cast(JsonDict, results))
             return results
 
     @trace