No SQLModel

loon/web/db/__init__.py

@@ -1,8 +1,13 @@
-from sqlmodel import SQLModel, create_engine
+from sqlalchemy import create_engine
+from sqlalchemy.orm import DeclarativeBase
 
 from config import settings
 
 
+class Base(DeclarativeBase):
+    pass
+
+
 def database_url(url: str | None = None) -> str:
     url = url or settings.database.url
     for src, dst in (