Add type hints for most `HomeServer` parameters (#11095)

1 files changed, 5 insertions, 2 deletions

diff --git a/synapse/storage/databases/main/transactions.py b/synapse/storage/databases/main/transactions.py
index 860146cd1b..d7dc1f73ac 100644
--- a/synapse/storage/databases/main/transactions.py
+++ b/synapse/storage/databases/main/transactions.py
@@ -14,7 +14,7 @@
 
 import logging
 from collections import namedtuple
-from typing import Iterable, List, Optional, Tuple
+from typing import TYPE_CHECKING, Iterable, List, Optional, Tuple
 
 import attr
 from canonicaljson import encode_canonical_json
@@ -26,6 +26,9 @@ from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore
 from synapse.types import JsonDict
 from synapse.util.caches.descriptors import cached
 
+if TYPE_CHECKING:
+    from synapse.server import HomeServer
+
 db_binary_type = memoryview
 
 logger = logging.getLogger(__name__)
@@ -57,7 +60,7 @@ class DestinationRetryTimings:
 
 
 class TransactionWorkerStore(CacheInvalidationWorkerStore):
-    def __init__(self, database: DatabasePool, db_conn, hs):
+    def __init__(self, database: DatabasePool, db_conn, hs: "HomeServer"):
         super().__init__(database, db_conn, hs)
 
         if hs.config.worker.run_background_tasks: