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

api/controllers/service_api/app/completion.py

@@ -2,22 +2,29 @@ import json
 import logging
 from typing import Generator, Union
 
+from flask import Response, stream_with_context
+from flask_restful import reqparse
+from werkzeug.exceptions import InternalServerError, NotFound
+
 import services
 from controllers.service_api import api
 from controllers.service_api.app import create_or_update_end_user_for_user_id
-from controllers.service_api.app.error import (AppUnavailableError, CompletionRequestError, ConversationCompletedError,
-                                               NotChatAppError, ProviderModelCurrentlyNotSupportError,
-                                               ProviderNotInitializeError, ProviderQuotaExceededError)
+from controllers.service_api.app.error import (
+    AppUnavailableError,
+    CompletionRequestError,
+    ConversationCompletedError,
+    NotChatAppError,
+    ProviderModelCurrentlyNotSupportError,
+    ProviderNotInitializeError,
+    ProviderQuotaExceededError,
+)
 from controllers.service_api.wraps import AppApiResource
 from core.application_queue_manager import ApplicationQueueManager
 from core.entities.application_entities import InvokeFrom
 from core.errors.error import ModelCurrentlyNotSupportError, ProviderTokenNotInitError, QuotaExceededError
 from core.model_runtime.errors.invoke import InvokeError
-from flask import Response, stream_with_context
-from flask_restful import reqparse
 from libs.helper import uuid_value
 from services.completion_service import CompletionService
-from werkzeug.exceptions import InternalServerError, NotFound
 
 
 class CompletionApi(AppApiResource):