enhancement: introduce Ruff for Python linter for reordering and removing unused imports with automated pre-commit and sytle check (#2366)

api/core/data_loader/loader/notion.py

@@ -3,10 +3,11 @@ import logging
 from typing import Any, Dict, List, Optional
 
 import requests
-from extensions.ext_database import db
 from flask import current_app
 from langchain.document_loaders.base import BaseLoader
 from langchain.schema import Document
+
+from extensions.ext_database import db
 from models.dataset import Document as DocumentModel
 from models.source import DataSourceBinding