diff --git a/api/core/prompt/advanced_prompt_transform.py b/api/core/prompt/advanced_prompt_transform.py
index 9ca3ef0375..397f708f1f 100644
--- a/api/core/prompt/advanced_prompt_transform.py
+++ b/api/core/prompt/advanced_prompt_transform.py
@@ -1,11 +1,20 @@
 from typing import Optional
 
-from core.entities.application_entities import PromptTemplateEntity, ModelConfigEntity, \
-    AdvancedCompletionPromptTemplateEntity
+from core.entities.application_entities import (
+    AdvancedCompletionPromptTemplateEntity,
+    ModelConfigEntity,
+    PromptTemplateEntity,
+)
 from core.file.file_obj import FileObj
 from core.memory.token_buffer_memory import TokenBufferMemory
-from core.model_runtime.entities.message_entities import PromptMessage, PromptMessageRole, UserPromptMessage, \
-    SystemPromptMessage, AssistantPromptMessage, TextPromptMessageContent
+from core.model_runtime.entities.message_entities import (
+    AssistantPromptMessage,
+    PromptMessage,
+    PromptMessageRole,
+    SystemPromptMessage,
+    TextPromptMessageContent,
+    UserPromptMessage,
+)
 from core.prompt.prompt_template import PromptTemplateParser
 from core.prompt.prompt_transform import PromptTransform
 from core.prompt.simple_prompt_transform import ModelMode
diff --git a/api/core/prompt/simple_prompt_transform.py b/api/core/prompt/simple_prompt_transform.py
index a898c37c4a..6e158bef39 100644
--- a/api/core/prompt/simple_prompt_transform.py
+++ b/api/core/prompt/simple_prompt_transform.py
@@ -1,7 +1,7 @@
 import enum
 import json
 import os
-from typing import Optional, Tuple
+from typing import Optional
 
 from core.entities.application_entities import (
     ModelConfigEntity,
@@ -85,7 +85,7 @@ class SimplePromptTransform(PromptTransform):
                                  query: Optional[str] = None,
                                  context: Optional[str] = None,
                                  histories: Optional[str] = None,
-                                 ) -> Tuple[str, dict]:
+                                 ) -> tuple[str, dict]:
         # get prompt template
         prompt_template_config = self.get_prompt_template(
             app_mode=app_mode,
@@ -160,7 +160,7 @@ class SimplePromptTransform(PromptTransform):
                                                              files: list[FileObj],
                                                              memory: Optional[TokenBufferMemory],
                                                              model_config: ModelConfigEntity) \
-            -> Tuple[list[PromptMessage], Optional[list[str]]]:
+            -> tuple[list[PromptMessage], Optional[list[str]]]:
         prompt_messages = []
 
         # get prompt
@@ -193,7 +193,7 @@ class SimplePromptTransform(PromptTransform):
                                                                    files: list[FileObj],
                                                                    memory: Optional[TokenBufferMemory],
                                                                    model_config: ModelConfigEntity) \
-            -> Tuple[list[PromptMessage], Optional[list[str]]]:
+            -> tuple[list[PromptMessage], Optional[list[str]]]:
         # get prompt
         prompt, prompt_rules = self.get_prompt_str_and_rules(
             app_mode=AppMode.CHAT,
diff --git a/api/services/workflow/workflow_converter.py b/api/services/workflow/workflow_converter.py
index 7d18f4f675..647713b404 100644
--- a/api/services/workflow/workflow_converter.py
+++ b/api/services/workflow/workflow_converter.py
@@ -4,11 +4,12 @@ from typing import Optional
 from core.application_manager import ApplicationManager
 from core.entities.application_entities import (
     DatasetEntity,
+    DatasetRetrieveConfigEntity,
     ExternalDataVariableEntity,
     FileUploadEntity,
     ModelConfigEntity,
     PromptTemplateEntity,
-    VariableEntity, DatasetRetrieveConfigEntity,
+    VariableEntity,
 )
 from core.model_runtime.entities.llm_entities import LLMMode
 from core.model_runtime.utils import helper