1 files changed, 6 insertions, 4 deletions
diff --git a/synapse/replication/slave/storage/_base.py b/synapse/replication/slave/storage/_base.py
index f9e2533e96..d0089fe06c 100644
--- a/synapse/replication/slave/storage/_base.py
+++ b/synapse/replication/slave/storage/_base.py
@@ -16,8 +16,8 @@
 import logging
 from typing import Optional
 
-from synapse.storage.data_stores.main.cache import CacheInvalidationWorkerStore
-from synapse.storage.database import Database
+from synapse.storage.database import DatabasePool
+from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
 from synapse.storage.engines import PostgresEngine
 from synapse.storage.util.id_generators import MultiWriterIdGenerator
 
@@ -25,17 +25,19 @@ logger = logging.getLogger(__name__)
 
 
 class BaseSlavedStore(CacheInvalidationWorkerStore):
-    def __init__(self, database: Database, db_conn, hs):
-        super(BaseSlavedStore, self).__init__(database, db_conn, hs)
+    def __init__(self, database: DatabasePool, db_conn, hs):
+        super().__init__(database, db_conn, hs)
         if isinstance(self.database_engine, PostgresEngine):
             self._cache_id_gen = MultiWriterIdGenerator(
                 db_conn,
                 database,
+                stream_name="caches",
                 instance_name=hs.get_instance_name(),
                 table="cache_invalidation_stream_by_instance",
                 instance_column="instance_name",
                 id_column="stream_id",
                 sequence_name="cache_invalidation_stream_seq",
+                writers=[],
             )  # type: Optional[MultiWriterIdGenerator]
         else:
             self._cache_id_gen = None