diff --git a/python/paddle/fluid/tests/unittests/dygraph_to_static/test_list.py b/python/paddle/fluid/tests/unittests/dygraph_to_static/test_list.py
index f833234d755e8..e630c2b9c6feb 100644
--- a/python/paddle/fluid/tests/unittests/dygraph_to_static/test_list.py
+++ b/python/paddle/fluid/tests/unittests/dygraph_to_static/test_list.py
@@ -62,12 +62,13 @@ def test_list_append_in_for_loop(x, iter_num):
     return a[0]
 
 
+paddle.jit.set_code_level(100)
+
+
 def test_list_append_in_for_subscript(x):
     x = fluid.dygraph.to_variable(x)
     iter_num = paddle.shape(x)[0]
     a = []
-    # import pdb
-    # pdb.set_trace()
     for i in range(iter_num):
         x = x + 1
         a.append(x)