update

app/core/point_manager.py

@@ -1,7 +1,7 @@
 from sqlalchemy.orm import Session
 from app.models.user import UserDB
 from app.models.point import PointRecordDB, PointRecordType
-from app.models.message import MessageDB, MessageType
+from app.models.message import MessageDB
 from typing import Optional
 from datetime import datetime