1 files changed, 1 insertions, 1 deletions
diff --git a/tests/test_state.py b/tests/test_state.py
index dce56fe78a..adb72b0730 100644
--- a/tests/test_state.py
+++ b/tests/test_state.py
@@ -149,7 +149,7 @@ class _DummyStore:
     async def get_partial_state_events(
         self, event_ids: Collection[str]
     ) -> Dict[str, bool]:
-        return {e: False for e in event_ids}
+        return dict.fromkeys(event_ids, False)
 
     async def get_state_group_delta(
         self, name: str