From e6afbd94feafd2a2dd627837dbde6af1cb37ef1d Mon Sep 17 00:00:00 2001
From: Gautam Kumar Giri <65446143+gautamgiri-dev@users.noreply.github.com>
Date: Wed, 13 Apr 2022 23:30:02 +0530
Subject: [PATCH] Fixed type annotation for #12437

StreamWorkerStore.get_stream_id_for_event_txn is not declared to return Optional[int] which is consistent with it's NoneType return when the allow_none = True
---
 synapse/storage/databases/main/stream.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py
index 793e906630e8..f7725c6c5f09 100644
--- a/synapse/storage/databases/main/stream.py
+++ b/synapse/storage/databases/main/stream.py
@@ -806,8 +806,8 @@ def get_stream_id_for_event_txn(
         self,
         txn: LoggingTransaction,
         event_id: str,
-        allow_none=False,
-    ) -> int:
+        allow_none: bool = False,
+    ) -> Optional[int]:
         return self.db_pool.simple_select_one_onecol_txn(
             txn=txn,
             table="events",