Improve type hints in storage classes. (#11652)

By using cast and making ignores more specific.

1 files changed, 3 insertions, 3 deletions

diff --git a/synapse/storage/databases/main/pusher.py b/synapse/storage/databases/main/pusher.py

index 7ab681ed6f..747b4f31df 100644
--- a/synapse/storage/databases/main/pusher.py
+++ b/synapse/storage/databases/main/pusher.py
@@ -494,7 +494,7 @@ class PusherStore(PusherWorkerStore):
                 # invalidate, since we the user might not have had a pusher before
                 await self.db_pool.runInteraction(
                     "add_pusher",
-                    self._invalidate_cache_and_stream,  # type: ignore
+                    self._invalidate_cache_and_stream,  # type: ignore[attr-defined]
                     self.get_if_user_has_pusher,
                     (user_id,),
                 )
@@ -503,7 +503,7 @@ class PusherStore(PusherWorkerStore):
         self, app_id: str, pushkey: str, user_id: str
     ) -> None:
         def delete_pusher_txn(txn, stream_id):
-            self._invalidate_cache_and_stream(  # type: ignore
+            self._invalidate_cache_and_stream(  # type: ignore[attr-defined]
                 txn, self.get_if_user_has_pusher, (user_id,)
             )
 
@@ -548,7 +548,7 @@ class PusherStore(PusherWorkerStore):
         pushers = list(await self.get_pushers_by_user_id(user_id))
 
         def delete_pushers_txn(txn, stream_ids):
-            self._invalidate_cache_and_stream(  # type: ignore
+            self._invalidate_cache_and_stream(  # type: ignore[attr-defined]
                 txn, self.get_if_user_has_pusher, (user_id,)
             )