use `async_sessionmaker` instead of `sessionmaker`

diff --git a/doc/build/orm/extensions/asyncio.rst b/doc/build/orm/extensions/asyncio.rst
index 4afb82960112e1ad9974dfcdc4a405a1fb06dee6..64732d1b3196c952165b9ff3be9156cbba030164 100644 (file)
--- a/doc/build/orm/extensions/asyncio.rst
+++ b/doc/build/orm/extensions/asyncio.rst
@@ -143,7 +143,7 @@ illustrates a complete example including mapper and session configuration::
     import asyncio
 
     from sqlalchemy import Column, DateTime, ForeignKey, Integer, String, func
-    from sqlalchemy.ext.asyncio import create_async_engine
+    from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
     from sqlalchemy.future import select
     from sqlalchemy.orm import declarative_base, relationship, selectinload
 
@@ -724,10 +724,13 @@ constructor::
 
     from asyncio import current_task
 
-    from sqlalchemy.ext.asyncio import AsyncSession, async_scoped_session
-    from sqlalchemy.orm import sessionmaker
+    from sqlalchemy.ext.asyncio import (
+        AsyncSession,
+        async_scoped_session,
+        async_sessionmaker,
+    )
 
-    async_session_factory = sessionmaker(
+    async_session_factory = async_sessionmaker(
         some_async_engine,
         expire_on_commit=False,
         class_=AsyncSession,