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/excel.py

@@ -1,4 +1,3 @@
-import json
 import logging
 from typing import List
 

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
 

api/core/data_loader/loader/pdf.py

@@ -1,10 +1,11 @@
 import logging
 from typing import List, Optional
 
-from extensions.ext_storage import storage
 from langchain.document_loaders import PyPDFium2Loader
 from langchain.document_loaders.base import BaseLoader
 from langchain.schema import Document
+
+from extensions.ext_storage import storage
 from models.model import UploadFile
 
 logger = logging.getLogger(__name__)