diff --git a/tests/metagpt/serialize_deserialize/test_architect_deserialize.py b/tests/metagpt/serialize_deserialize/test_architect_deserialize.py
index 66fba6167..b92eba8a1 100644
--- a/tests/metagpt/serialize_deserialize/test_architect_deserialize.py
+++ b/tests/metagpt/serialize_deserialize/test_architect_deserialize.py
@@ -4,8 +4,8 @@
 # @Desc    :
 import pytest
 
-from metagpt.roles.architect import Architect
 from metagpt.actions.action import Action
+from metagpt.roles.architect import Architect
 
 
 def test_architect_serialize():
diff --git a/tests/metagpt/serialize_deserialize/test_environment.py b/tests/metagpt/serialize_deserialize/test_environment.py
index 4e3445047..3a374460c 100644
--- a/tests/metagpt/serialize_deserialize/test_environment.py
+++ b/tests/metagpt/serialize_deserialize/test_environment.py
@@ -2,17 +2,15 @@
 # -*- coding: utf-8 -*-
 # @Desc   :
 
-from pathlib import Path
 import shutil
 
-from metagpt.schema import Message
 from metagpt.actions.action_output import ActionOutput
-from metagpt.roles.project_manager import ProjectManager
 from metagpt.actions.add_requirement import UserRequirement
 from metagpt.actions.project_management import WriteTasks
 from metagpt.environment import Environment
+from metagpt.roles.project_manager import ProjectManager
+from metagpt.schema import Message
 from metagpt.utils.common import any_to_str
-
 from tests.metagpt.serialize_deserialize.test_serdeser_base import RoleC, ActionOK, serdeser_path
 
 
diff --git a/tests/metagpt/serialize_deserialize/test_memory.py b/tests/metagpt/serialize_deserialize/test_memory.py
index 50d30a94d..47410c615 100644
--- a/tests/metagpt/serialize_deserialize/test_memory.py
+++ b/tests/metagpt/serialize_deserialize/test_memory.py
@@ -2,16 +2,14 @@
 # -*- coding: utf-8 -*-
 # @Desc   : unittest of memory
 
-from pathlib import Path
 from pydantic import BaseModel
 
-from metagpt.schema import Message
-from metagpt.memory.memory import Memory
 from metagpt.actions.action_output import ActionOutput
-from metagpt.actions.design_api import WriteDesign
 from metagpt.actions.add_requirement import UserRequirement
+from metagpt.actions.design_api import WriteDesign
+from metagpt.memory.memory import Memory
+from metagpt.schema import Message
 from metagpt.utils.common import any_to_str
-
 from tests.metagpt.serialize_deserialize.test_serdeser_base import serdeser_path
 
 
diff --git a/tests/metagpt/serialize_deserialize/test_product_manager.py b/tests/metagpt/serialize_deserialize/test_product_manager.py
index 1d721282f..b65e329d1 100644
--- a/tests/metagpt/serialize_deserialize/test_product_manager.py
+++ b/tests/metagpt/serialize_deserialize/test_product_manager.py
@@ -4,8 +4,8 @@
 # @Desc    :
 import pytest
 
-from metagpt.roles.product_manager import ProductManager
 from metagpt.actions.action import Action
+from metagpt.roles.product_manager import ProductManager
 from metagpt.schema import Message
 
 
diff --git a/tests/metagpt/serialize_deserialize/test_project_manager.py b/tests/metagpt/serialize_deserialize/test_project_manager.py
index 21fafa72e..e52e3f247 100644
--- a/tests/metagpt/serialize_deserialize/test_project_manager.py
+++ b/tests/metagpt/serialize_deserialize/test_project_manager.py
@@ -4,9 +4,9 @@
 # @Desc    :
 import pytest
 
-from metagpt.roles.project_manager import ProjectManager
 from metagpt.actions.action import Action
 from metagpt.actions.project_management import WriteTasks
+from metagpt.roles.project_manager import ProjectManager
 
 
 def test_project_manager_serialize():
diff --git a/tests/metagpt/serialize_deserialize/test_role.py b/tests/metagpt/serialize_deserialize/test_role.py
index fe7b63ef3..f25403dc0 100644
--- a/tests/metagpt/serialize_deserialize/test_role.py
+++ b/tests/metagpt/serialize_deserialize/test_role.py
@@ -4,18 +4,18 @@
 # @Desc    :
 
 import shutil
+
 import pytest
 
-from metagpt.logs import logger
-from metagpt.roles.role import Role
 from metagpt.actions import WriteCode
-from metagpt.schema import Message
 from metagpt.actions.add_requirement import UserRequirement
-from metagpt.roles.product_manager import ProductManager
 from metagpt.const import SERDESER_PATH
+from metagpt.logs import logger
 from metagpt.roles.engineer import Engineer
+from metagpt.roles.product_manager import ProductManager
+from metagpt.roles.role import Role
+from metagpt.schema import Message
 from metagpt.utils.utils import format_trackback_info
-
 from tests.metagpt.serialize_deserialize.test_serdeser_base import RoleA, RoleB, RoleC, serdeser_path
 
 
diff --git a/tests/metagpt/serialize_deserialize/test_schema.py b/tests/metagpt/serialize_deserialize/test_schema.py
index 97ca4ea0c..02afa762d 100644
--- a/tests/metagpt/serialize_deserialize/test_schema.py
+++ b/tests/metagpt/serialize_deserialize/test_schema.py
@@ -2,11 +2,10 @@
 # -*- coding: utf-8 -*-
 # @Desc   : unittest of schema ser&deser
 
-from metagpt.schema import Message
 from metagpt.actions.action_output import ActionOutput
 from metagpt.actions.write_code import WriteCode
+from metagpt.schema import Message
 from metagpt.utils.common import any_to_str
-
 from tests.metagpt.serialize_deserialize.test_serdeser_base import MockMessage
 
 
diff --git a/tests/metagpt/serialize_deserialize/test_serdeser_base.py b/tests/metagpt/serialize_deserialize/test_serdeser_base.py
index 0363c519b..20f708e30 100644
--- a/tests/metagpt/serialize_deserialize/test_serdeser_base.py
+++ b/tests/metagpt/serialize_deserialize/test_serdeser_base.py
@@ -2,15 +2,15 @@
 # -*- coding: utf-8 -*-
 # @Desc   : base test actions / roles used in unittest
 
-from pydantic import BaseModel, Field
-from pathlib import Path
 import asyncio
+from pathlib import Path
+
+from pydantic import BaseModel, Field
 
 from metagpt.actions.action import Action
-from metagpt.roles.role import Role, RoleReactMode
-from metagpt.actions.add_requirement import UserRequirement
 from metagpt.actions.action_output import ActionOutput
-
+from metagpt.actions.add_requirement import UserRequirement
+from metagpt.roles.role import Role, RoleReactMode
 
 serdeser_path = Path(__file__).absolute().parent.joinpath("..", "..", "data", "serdeser_storage")
 
@@ -51,7 +51,6 @@ class ActionRaise(Action):
 
 
 class RoleA(Role):
-
     name: str = Field(default="RoleA")
     profile: str = Field(default="Role A")
     goal: str = "RoleA's goal"
diff --git a/tests/metagpt/serialize_deserialize/test_team.py b/tests/metagpt/serialize_deserialize/test_team.py
index 777f0f381..01e0a6c70 100644
--- a/tests/metagpt/serialize_deserialize/test_team.py
+++ b/tests/metagpt/serialize_deserialize/test_team.py
@@ -3,14 +3,13 @@
 # @Author  : stellahong (stellahong@fuzhi.ai)
 # @Desc    :
 
-from pathlib import Path
 import shutil
+
 import pytest
 
+from metagpt.const import SERDESER_PATH
 from metagpt.roles import ProjectManager, ProductManager, Architect
 from metagpt.team import Team
-from metagpt.const import SERDESER_PATH
-
 from tests.metagpt.serialize_deserialize.test_serdeser_base import RoleA, RoleB, RoleC, serdeser_path, ActionOK