diff --git a/metagpt/management/skill_manager.py b/metagpt/management/skill_manager.py
index 27722d530..f967a0a94 100644
--- a/metagpt/management/skill_manager.py
+++ b/metagpt/management/skill_manager.py
@@ -49,7 +49,7 @@ class SkillManager:
         return self._skills.get(skill_name)
 
     def retrieve_skill(self, desc: str, n_results: int = 2) -> list[Skill]:
-       """
+        """
         Obtain skills through the search engine
         :param desc: Skill description
         :return: Multiple skills