diff --git a/test/utils/test_env.py b/test/utils/test_env.py
index f108d320..79c7a901 100644
--- a/test/utils/test_env.py
+++ b/test/utils/test_env.py
@@ -2,10 +2,11 @@ import os
 import sys
 import unittest
 from pathlib import Path
+
 sys.path.append(str(Path(__file__).resolve().parent.parent))
-from rdagent.utils.env import QTDockerEnv, LocalEnv, LocalConf
 import shutil
 
+from rdagent.utils.env import LocalConf, LocalEnv, QTDockerEnv
 
 DIRNAME = Path(__file__).absolute().resolve().parent
 
@@ -30,9 +31,9 @@ class EnvUtils(unittest.TestCase):
         )
         qle = LocalEnv(conf=local_conf)
         qle.prepare()
-        conf_path = str(DIRNAME / "env_tpl" / "conf.yaml") 
+        conf_path = str(DIRNAME / "env_tpl" / "conf.yaml")
         qle.run(entry="qrun " + conf_path)
-        mlrun_p = DIRNAME / "env_tpl" / "mlruns" 
+        mlrun_p = DIRNAME / "env_tpl" / "mlruns"
         self.assertTrue(mlrun_p.exists(), f"Expected output file {mlrun_p} not found")
 
     def test_docker(self):
@@ -41,17 +42,15 @@ class EnvUtils(unittest.TestCase):
         And run the docker image with `qrun conf.yaml`
         """
         qtde = QTDockerEnv()
-        qtde.prepare()
         qtde.prepare()  # you can prepare for multiple times. It is expected to handle it correctly
         # the stdout are returned as result
         result = qtde.run(local_path=str(DIRNAME / "env_tpl"), entry="qrun conf.yaml")
-        
-        mlrun_p = DIRNAME / "env_tpl" / "mlruns" 
+
+        mlrun_p = DIRNAME / "env_tpl" / "mlruns"
         self.assertTrue(mlrun_p.exists(), f"Expected output file {mlrun_p} not found")
 
         # read experiment
         result = qtde.run(local_path=str(DIRNAME / "env_tpl"), entry="python read_exp_res.py")
-        print("here")
         print(result)