diff --git a/paddle/fluid/framework/inplace_op_inference_test.cc b/paddle/fluid/framework/inplace_op_inference_test.cc
index 121f648a5f04ae65560ae8d04042e40df61aad50..3e4d715c6f089496d1b1f7906e3f10147a073622 100644
--- a/paddle/fluid/framework/inplace_op_inference_test.cc
+++ b/paddle/fluid/framework/inplace_op_inference_test.cc
@@ -276,6 +276,7 @@ TEST(InferInplace, MultiGradInplaceInToOut) {
 
   auto& infer_inplace = OpInfoMap::Instance().Get(op->Type()).infer_inplace_;
   auto in_to_outs = infer_inplace(*op, op->Block());
+
   EXPECT_EQ(in_to_outs.size(), 3ul);
   std::unordered_map<std::string, std::string> expects = {
       {"o0", "a0"}, {"y0", "b0"}, {"z0", "c0"},