Optimize code.

api/controllers/console/datasets/rag_pipeline/rag_pipeline_workflow.py

@@ -5,6 +5,7 @@ from uuid import UUID
 
 from flask import abort, request
 from flask_restx import Resource, marshal_with  # type: ignore
+from flask_restx import reqparse
 from pydantic import BaseModel, Field
 from sqlalchemy.orm import Session
 from werkzeug.exceptions import Forbidden, InternalServerError, NotFound
@@ -968,10 +969,6 @@ class RagPipelineDatasourceVariableApi(Resource):
         )
         return workflow_node_execution
 
-
-from flask_restx import reqparse
-
-
 @console_ns.route("/rag/pipelines/recommended-plugins")
 class RagPipelineRecommendedPluginApi(Resource):
     @setup_required