From 6335889e97b9f6a24dd2af33ed91cf5cee97f1b7 Mon Sep 17 00:00:00 2001
From: minqiyang <minqiyang@baidu.com>
Date: Mon, 2 Jul 2018 21:20:27 +0800
Subject: [PATCH] Change Sprintf back

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

diff --git a/paddle/fluid/string/printf.h b/paddle/fluid/string/printf.h
index e0f62025068..062095a1c3e 100644
--- a/paddle/fluid/string/printf.h
+++ b/paddle/fluid/string/printf.h
@@ -84,7 +84,7 @@ void Fprintf(std::ostream& out, const char* fmt, const Args&... args) {
 }
 
 template <typename... Args>
-std::string Sprintf(const char* fmt = "", const Args&... args) {
+std::string Sprintf(const char* fmt, const Args&... args) {
   std::ostringstream oss;
   Fprintf(oss, fmt, args...);
   return oss.str();
-- 
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