diff --git a/metagpt/roles/ml_engineer.py b/metagpt/roles/ml_engineer.py
index 53d693c8e..3f46b9451 100644
--- a/metagpt/roles/ml_engineer.py
+++ b/metagpt/roles/ml_engineer.py
@@ -126,6 +126,8 @@ class MLEngineer(Role):
             # print(result)
             self.working_memory.add(Message(content=result, role="user", cause_by=ExecutePyCode))
 
+            if code.startswith("!pip"):
+                success = False
             # if not success:
             #     await self._ask_review()