diff --git a/paddle/framework/grad_op_builder_test.cc b/paddle/framework/grad_op_builder_test.cc
index 043503ada66ac1a1ef3e7b078296aa11b52135fb..d0d5d64fe6f2f3114ef1ae0cb91665c39c407325 100644
--- a/paddle/framework/grad_op_builder_test.cc
+++ b/paddle/framework/grad_op_builder_test.cc
@@ -59,10 +59,9 @@ REGISTER_OP(io_ignored, f::NOP, f::IOIgnoredOpMaker, io_ignored_grad, f::NOP);
 
 TEST(GradOpBuilder, MutiInOut) {
   std::shared_ptr<f::OperatorBase> test_op(f::OpRegistry::CreateOp(
-      "mult_io",
-      {{"In1", {"in1"}},
-       {"In2_mult", {"in2_1", "in2_2", "in2_3"}},
-       {"In3", {"in3"}}},
+      "mult_io", {{"In1", {"in1"}},
+                  {"In2_mult", {"in2_1", "in2_2", "in2_3"}},
+                  {"In3", {"in3"}}},
       {{"Out1", {"out1"}}, {"Out2_mult", {"out2_1", "out2_2"}}}, {}));
   std::shared_ptr<f::OperatorBase> grad_test_op =
       f::OpRegistry::CreateGradOp(*test_op);
@@ -92,10 +91,9 @@ TEST(GradOpBuilder, MutiInOut) {
 
 TEST(GradOpBuilder, IOIgnoredInGradient) {
   std::shared_ptr<f::OperatorBase> test_op(f::OpRegistry::CreateOp(
-      "io_ignored",
-      {{"In1", {"in1"}},
-       {"In2_mult", {"in2_1", "in2_2"}},
-       {"In3_mult", {"in3_1", "in3_2"}}},
+      "io_ignored", {{"In1", {"in1"}},
+                     {"In2_mult", {"in2_1", "in2_2"}},
+                     {"In3_mult", {"in3_1", "in3_2"}}},
       {{"Out1_mult", {"out1_1", "out1_2"}}, {"Out2", {"out2"}}}, {}));
   std::shared_ptr<f::OperatorBase> grad_test_op =
       f::OpRegistry::CreateGradOp(*test_op);
diff --git a/paddle/framework/pybind.cc b/paddle/framework/pybind.cc
index 108ae79d2cd178b12a303ed32a5f72c967a45dab..047e09642c31aa50b0afdf31b3f205e2209c9247 100644
--- a/paddle/framework/pybind.cc
+++ b/paddle/framework/pybind.cc
@@ -58,8 +58,8 @@ void ExposeOperator(ClassType &m) {
       .def("outputs",
            [](const typename ClassType::type &op)
                -> std::map<std::string, std::vector<std::string>> {
-             return op.outputs_;
-           })
+                 return op.outputs_;
+               })
       .def("inputs",
            [](const typename ClassType::type &op) { return op.inputs_; })
       .def("__str__", &ClassType::type::DebugString)