diff --git a/tests/metagpt/roles/test_role.py b/tests/metagpt/roles/test_role.py
index 151608b6b..bef71f9a5 100644
--- a/tests/metagpt/roles/test_role.py
+++ b/tests/metagpt/roles/test_role.py
@@ -3,8 +3,8 @@
 # @Desc   : unittest of Role
 import pytest
 
-from metagpt.roles.role import Role
 from metagpt.llm import HumanProvider
+from metagpt.roles.role import Role
 
 
 def test_role_desc():
@@ -12,9 +12,11 @@ def test_role_desc():
     assert role.profile == "Sales"
     assert role.desc == "Best Seller"
 
+
 def test_role_human():
     role = Role(is_human=True)
     assert isinstance(role.llm, HumanProvider)
 
+
 if __name__ == "__main__":
     pytest.main([__file__, "-s"])