diff --git a/synapse/storage/databases/main/events.py b/synapse/storage/databases/main/events.py
index ffe766fd56..7996cbb557 100644
--- a/synapse/storage/databases/main/events.py
+++ b/synapse/storage/databases/main/events.py
@@ -25,7 +25,6 @@ from typing import (
Iterable,
List,
Optional,
- Sequence,
Set,
Tuple,
)
@@ -51,7 +50,7 @@ from synapse.storage.databases.main.search import SearchEntry
from synapse.storage.engines import PostgresEngine
from synapse.storage.util.id_generators import AbstractStreamIdGenerator
from synapse.storage.util.sequence import SequenceGenerator
-from synapse.types import JsonDict, StateMap, get_domain_from_id
+from synapse.types import JsonDict, StateMap, StrCollection, get_domain_from_id
from synapse.util import json_encoder
from synapse.util.iterutils import batch_iter, sorted_topologically
from synapse.util.stringutils import non_null_str_or_none
@@ -552,7 +551,7 @@ class PersistEventsStore:
event_chain_id_gen: SequenceGenerator,
event_to_room_id: Dict[str, str],
event_to_types: Dict[str, Tuple[str, str]],
- event_to_auth_chain: Dict[str, Sequence[str]],
+ event_to_auth_chain: Dict[str, StrCollection],
) -> None:
"""Calculate the chain cover index for the given events.
@@ -846,7 +845,7 @@ class PersistEventsStore:
event_chain_id_gen: SequenceGenerator,
event_to_room_id: Dict[str, str],
event_to_types: Dict[str, Tuple[str, str]],
- event_to_auth_chain: Dict[str, Sequence[str]],
+ event_to_auth_chain: Dict[str, StrCollection],
events_to_calc_chain_id_for: Set[str],
chain_map: Dict[str, Tuple[int, int]],
) -> Dict[str, Tuple[int, int]]:
|
