refac: modernize type annotations (PEP 604 / PEP 585)

backend/open_webui/models/automations.py

@@ -1,13 +1,12 @@
-import time
 import logging
+import time
 from typing import Optional
 from uuid import uuid4
 
-from pydantic import BaseModel, ConfigDict
-from sqlalchemy import Column, Text, JSON, Boolean, BigInteger, Index, select, or_, func, cast, String, delete, update
-from sqlalchemy.ext.asyncio import AsyncSession
-
 from open_webui.internal.db import Base, get_async_db_context
+from pydantic import BaseModel, ConfigDict
+from sqlalchemy import JSON, BigInteger, Boolean, Column, Index, String, Text, cast, delete, func, or_, select, update
+from sqlalchemy.ext.asyncio import AsyncSession
 
 log = logging.getLogger(__name__)