From 575f22711dfe281a0493594f3a27d75f450eb1b7 Mon Sep 17 00:00:00 2001
From: Qiao Longfei <qiaolongfei@baidu.com>
Date: Sat, 27 Oct 2018 21:03:24 +0800
Subject: [PATCH] optimize code test=develop

---
 paddle/fluid/operators/sum_op.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/operators/sum_op.h b/paddle/fluid/operators/sum_op.h
index 84b418bd307..d3c905c0b86 100644
--- a/paddle/fluid/operators/sum_op.h
+++ b/paddle/fluid/operators/sum_op.h
@@ -100,7 +100,7 @@ class SumKernel : public framework::OpKernel<T> {
         inputs.push_back(&temp_in0);
         for (size_t i = 1; i < in_vars.size(); ++i) {
           auto &in = in_vars[i]->Get<SelectedRows>();
-          if (!in.rows().empty()) {
+          if (in.rows().size() > 0) {
             inputs.push_back(&in);
           }
         }
-- 
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