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-rw-r--r--synapse/storage/databases/main/end_to_end_keys.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/storage/databases/main/end_to_end_keys.py b/synapse/storage/databases/main/end_to_end_keys.py
index c128889bf9..309f1e865b 100644
--- a/synapse/storage/databases/main/end_to_end_keys.py
+++ b/synapse/storage/databases/main/end_to_end_keys.py
@@ -634,7 +634,7 @@ class EndToEndKeyWorkerStore(EndToEndKeyBackgroundStore):
 
     async def get_e2e_cross_signing_keys_bulk(
         self, user_ids: List[str], from_user_id: Optional[str] = None
-    ) -> Dict[str, Dict[str, dict]]:
+    ) -> Dict[str, Optional[Dict[str, dict]]]:
         """Returns the cross-signing keys for a set of users.
 
         Args:
@@ -724,7 +724,7 @@ class EndToEndKeyWorkerStore(EndToEndKeyBackgroundStore):
 
     async def claim_e2e_one_time_keys(
         self, query_list: Iterable[Tuple[str, str, str]]
-    ) -> Dict[str, Dict[str, Dict[str, bytes]]]:
+    ) -> Dict[str, Dict[str, Dict[str, str]]]:
         """Take a list of one time keys out of the database.
 
         Args: