From 72e3ba5074c45bed2bc3a2ca52c07cd63d68c1e2 Mon Sep 17 00:00:00 2001
From: Yi Wang <yi.wang.2005@gmail.com>
Date: Mon, 7 Aug 2017 18:19:21 -0700
Subject: [PATCH] update framework.proto

---
 paddle/framework/framework.proto | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/framework/framework.proto b/paddle/framework/framework.proto
index f7052df4e9f..4b6dfec5cbc 100644
--- a/paddle/framework/framework.proto
+++ b/paddle/framework/framework.proto
@@ -40,8 +40,8 @@ message OpDesc {
   };
 
   message Var {
-    string name;                 // e.g. "X"
-    int dup = 2 [ default = 0 ]; // e.g., "1"
+    required string name;                 // e.g. "X"
+    optional int dup = 2 [ default = 0 ]; // e.g., "1"
   };
 
   required string type = 3;
-- 
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