diff --git a/python/paddle/fluid/tests/unittests/test_cross_entropy_loss.py b/python/paddle/fluid/tests/unittests/test_cross_entropy_loss.py
index a30e5741bc8d47fe6ae8f194bea2a053c5f57bbe..29676fcff1216a8dc45a356a1e6e8c2ace2fe381 100644
--- a/python/paddle/fluid/tests/unittests/test_cross_entropy_loss.py
+++ b/python/paddle/fluid/tests/unittests/test_cross_entropy_loss.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 from __future__ import print_function
-from ast import Index
 
 import paddle
 import paddle.fluid as fluid