diff --git a/rdagent/components/coder/factor_coder/CoSTEER/evaluators.py b/rdagent/components/coder/factor_coder/CoSTEER/evaluators.py
index ad6dffc2..b38348fb 100644
--- a/rdagent/components/coder/factor_coder/CoSTEER/evaluators.py
+++ b/rdagent/components/coder/factor_coder/CoSTEER/evaluators.py
@@ -13,8 +13,8 @@ from rdagent.components.coder.factor_coder.CoSTEER.evolvable_subjects import (
 )
 from rdagent.components.coder.factor_coder.factor import FactorTask
 from rdagent.core.conf import RD_AGENT_SETTINGS
-from rdagent.core.evaluation import Evaluator
-from rdagent.core.evolving_framework import Feedback, QueriedKnowledge
+from rdagent.core.evaluation import Evaluator, Feedback
+from rdagent.core.evolving_framework import QueriedKnowledge
 from rdagent.core.experiment import Task, Workspace
 from rdagent.core.prompts import Prompts
 from rdagent.core.utils import multiprocessing_wrapper