chore: reorg imports (#35308)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/tools/utils/dataset_retriever/dataset_multi_retriever_tool.py

@@ -1,7 +1,6 @@
 import threading
 
 from flask import Flask, current_app
-from graphon.model_runtime.entities.model_entities import ModelType
 from pydantic import BaseModel, Field
 from sqlalchemy import select
 
@@ -15,6 +14,7 @@ from core.rag.rerank.rerank_model import RerankModelRunner
 from core.rag.retrieval.retrieval_methods import RetrievalMethod
 from core.tools.utils.dataset_retriever.dataset_retriever_base_tool import DatasetRetrieverBaseTool
 from extensions.ext_database import db
+from graphon.model_runtime.entities.model_entities import ModelType
 from models.dataset import Dataset, Document, DocumentSegment
 
 default_retrieval_model: DefaultRetrievalModelDict = {

api/core/tools/utils/message_transformer.py

@@ -9,11 +9,11 @@ from uuid import UUID
 
 import numpy as np
 import pytz
-from graphon.file import File, FileTransferMethod, FileType
 
 from core.tools.entities.tool_entities import ToolInvokeMessage
 from core.tools.tool_file_manager import ToolFileManager
 from core.workflow.file_reference import parse_file_reference
+from graphon.file import File, FileTransferMethod, FileType
 from libs.login import current_user
 from models import Account
 

api/core/tools/utils/model_invocation_utils.py

@@ -8,6 +8,9 @@ import json
 from decimal import Decimal
 from typing import cast
 
+from core.model_manager import ModelManager
+from core.tools.entities.tool_entities import ToolProviderType
+from extensions.ext_database import db
 from graphon.model_runtime.entities.llm_entities import LLMResult
 from graphon.model_runtime.entities.message_entities import PromptMessage
 from graphon.model_runtime.entities.model_entities import ModelPropertyKey, ModelType
@@ -20,10 +23,6 @@ from graphon.model_runtime.errors.invoke import (
 )
 from graphon.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
 from graphon.model_runtime.utils.encoders import jsonable_encoder
-
-from core.model_manager import ModelManager
-from core.tools.entities.tool_entities import ToolProviderType
-from extensions.ext_database import db
 from models.tools import ToolModelInvoke
 
 

api/core/tools/utils/workflow_configuration_sync.py

@@ -1,13 +1,12 @@
 from collections.abc import Mapping, Sequence
 from typing import Any
 
+from core.tools.entities.tool_entities import WorkflowToolParameterConfiguration
+from core.tools.errors import WorkflowToolHumanInputNotSupportedError
 from graphon.enums import BuiltinNodeTypes
 from graphon.nodes.base.entities import OutputVariableEntity
 from graphon.variables.input_entities import VariableEntity
 
-from core.tools.entities.tool_entities import WorkflowToolParameterConfiguration
-from core.tools.errors import WorkflowToolHumanInputNotSupportedError
-
 
 class WorkflowToolConfigurationUtils:
     @classmethod