diff --git a/MindSpore/src/step4/step4_test.py b/MindSpore/src/step4/step4_test.py
index d56fb41..da7f834 100644
--- a/MindSpore/src/step4/step4_test.py
+++ b/MindSpore/src/step4/step4_test.py
@@ -11,7 +11,7 @@ if __name__ == '__main__':
         "param_dict=load_checkpoint(",
         "load_param_into_net(network,param_dict)",
         "ds_eval=create_dataset(os.path.join(mnist_path,",
-        "acc=model.eval(ds_eval, dataset_sink_mode=False)"
+        "acc=model.eval(ds_eval,dataset_sink_mode=False)"
 
 
     ]