0402 update

verl/workers/critic/base.py

@@ -20,8 +20,8 @@ from typing import Any, Dict
 
 import torch
 
-from verl import DataProto
-from verl.workers.critic.config import CriticConfig
+from ...protocol import DataProto
+from .config import CriticConfig
 
 
 __all__ = ["BasePPOCritic"]