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

api/app.py

@@ -19,18 +19,28 @@ import threading
 import time
 import warnings
 
-from commands import register_commands
-from config import CloudEditionConfig, Config
-from events import event_handlers
-from extensions import (ext_celery, ext_code_based_extension, ext_database, ext_hosting_provider, ext_login, ext_mail,
-                        ext_migrate, ext_redis, ext_sentry, ext_storage)
-from extensions.ext_database import db
-from extensions.ext_login import login_manager
 from flask import Flask, Response, request
 from flask_cors import CORS
+
+from commands import register_commands
+from config import CloudEditionConfig, Config
+from extensions import (
+    ext_celery,
+    ext_code_based_extension,
+    ext_database,
+    ext_hosting_provider,
+    ext_login,
+    ext_mail,
+    ext_migrate,
+    ext_redis,
+    ext_sentry,
+    ext_storage,
+)
+from extensions.ext_database import db
+from extensions.ext_login import login_manager
 from libs.passport import PassportService
+
 # DO NOT REMOVE BELOW
-from models import account, dataset, model, source, task, tool, tools, web
 from services.account_service import AccountService
 
 # DO NOT REMOVE ABOVE