From 012453e28c4f27fd247d922671325011df1a6bb8 Mon Sep 17 00:00:00 2001
From: wanghaoshuang <wanghaoshuang@baidu.com>
Date: Tue, 12 Sep 2017 10:43:19 +0800
Subject: [PATCH] fix NoInGrad bug

---
 paddle/operators/pad_op.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paddle/operators/pad_op.cc b/paddle/operators/pad_op.cc
index 449463c8308..99f605c651d 100644
--- a/paddle/operators/pad_op.cc
+++ b/paddle/operators/pad_op.cc
@@ -47,7 +47,8 @@ class PadOpMaker : public framework::OpProtoAndCheckerMaker {
              "The input should be a k-D tensor(k > 0 and k < 7)");
     AddOutput("Out",
               "The output of pad op."
-              "A tensor with the same shape as X.");
+              "A tensor with the same shape as X.")
+        .NotInGradient();
     AddComment(R"DOC(
 Pad input into output, as specified by paddings and pad_value. The input should be a k-D tensor(k > 0 and k < 7). As an example:
 
-- 
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