diff --git a/tests/python_client/chaos/testcases/test_chaos_resource_group.py b/tests/python_client/chaos/testcases/test_chaos_resource_group.py
index 024d6b1401..037b984cbc 100644
--- a/tests/python_client/chaos/testcases/test_chaos_resource_group.py
+++ b/tests/python_client/chaos/testcases/test_chaos_resource_group.py
@@ -1,4 +1,3 @@
-import time
 import pytest
 
 from base.client_base import TestcaseBase
@@ -199,5 +198,5 @@ class TestChaosRG(TestcaseBase):
             log.info(f"{coll_name} query segment info: {segment_2}")
 
             # show replicas finally
-            replicas_2, _ = collection_w.get_replicas(check_task=ct.CheckTasks.check_nothing)
-            log.info(f"{coll_name} replicas: {replicas_2}")
\ No newline at end of file
+            replicas_2, _ = collection_w.get_replicas()
+            log.info(f"{coll_name} replicas: {replicas_2}")