diff --git a/changelog.d/16780.misc b/changelog.d/16780.misc
new file mode 100644
index 0000000000..c49dc2085e
--- /dev/null
+++ b/changelog.d/16780.misc
@@ -0,0 +1 @@
+Simplify event internal metadata class.
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 41b00a5cf7..b49b917b6e 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -26,7 +26,17 @@ import random
import string
from collections import OrderedDict
from http import HTTPStatus
-from typing import TYPE_CHECKING, Any, Awaitable, Callable, Dict, List, Optional, Tuple
+from typing import (
+ TYPE_CHECKING,
+ Any,
+ Awaitable,
+ Callable,
+ Dict,
+ List,
+ Optional,
+ Tuple,
+ cast,
+)
import attr
from typing_extensions import TypedDict
|