1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/handlers/account_data.py b/synapse/handlers/account_data.py
index 834006356a..d500b21809 100644
--- a/synapse/handlers/account_data.py
+++ b/synapse/handlers/account_data.py
@@ -14,7 +14,7 @@
 # limitations under the License.
 import logging
 import random
-from typing import TYPE_CHECKING, Awaitable, Callable, Collection, List, Optional, Tuple
+from typing import TYPE_CHECKING, Awaitable, Callable, List, Optional, Tuple
 
 from synapse.api.constants import AccountDataTypes
 from synapse.replication.http.account_data import (
@@ -26,7 +26,7 @@ from synapse.replication.http.account_data import (
     ReplicationRemoveUserAccountDataRestServlet,
 )
 from synapse.streams import EventSource
-from synapse.types import JsonDict, StreamKeyType, UserID
+from synapse.types import JsonDict, StrCollection, StreamKeyType, UserID
 
 if TYPE_CHECKING:
     from synapse.server import HomeServer
@@ -322,7 +322,7 @@ class AccountDataEventSource(EventSource[int, JsonDict]):
         user: UserID,
         from_key: int,
         limit: int,
-        room_ids: Collection[str],
+        room_ids: StrCollection,
         is_guest: bool,
         explicit_room_id: Optional[str] = None,
     ) -> Tuple[List[JsonDict], int]: