improve: introduce isort for linting Python imports (#1983)

api/controllers/console/explore/recommended_app.py

@@ -1,15 +1,14 @@
 # -*- coding:utf-8 -*-
-from flask_login import current_user
-from libs.login import login_required
-from flask_restful import Resource, fields, marshal_with
-from sqlalchemy import and_
-
 from controllers.console import api
 from controllers.console.app.error import AppNotFoundError
 from controllers.console.wraps import account_initialization_required
 from extensions.ext_database import db
+from flask_login import current_user
+from flask_restful import Resource, fields, marshal_with
+from libs.login import login_required
 from models.model import App, InstalledApp, RecommendedApp
 from services.account_service import TenantService
+from sqlalchemy import and_
 
 app_fields = {
     'id': fields.String,