From 2850c47385611b6b9fee3ba063a7eb6d733df555 Mon Sep 17 00:00:00 2001
From: chengduozh <zhaochengduo@baidu.com>
Date: Mon, 4 Mar 2019 22:55:15 +0800
Subject: [PATCH] remove unnecessary code test=release/1.3

---
 paddle/fluid/operators/recurrent_op.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/paddle/fluid/operators/recurrent_op.cc b/paddle/fluid/operators/recurrent_op.cc
index fbacd0aa6..88c968a0e 100644
--- a/paddle/fluid/operators/recurrent_op.cc
+++ b/paddle/fluid/operators/recurrent_op.cc
@@ -623,11 +623,8 @@ class RecurrentGradOpShapeInference : public framework::InferShapeBase {
     std::vector<std::string> input{kInputs, kInitialStates};
     std::vector<std::string> output{kOutputs};
     for (auto &s : input) {
-      PADDLE_ENFORCE(ctx->HasInputs(s));
       // NOTE(zcd): In some case, some of kInputs doesn't have gradient.
-      //      PADDLE_ENFORCE(ctx->HasOutputs(framework::GradVarName(s)),
-      //                     "Cannot find the gradient variable %s",
-      //                     framework::GradVarName(s));
+      PADDLE_ENFORCE(ctx->HasInputs(s));
     }
     for (auto &s : output) {
       PADDLE_ENFORCE(ctx->HasInputs(s));
-- 
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