From 65b3138e9812da81f9fc264912bf1fc171dbeba7 Mon Sep 17 00:00:00 2001
From: qiaolongfei <qiaolongfei@baidu.com>
Date: Thu, 19 Apr 2018 23:44:20 +0800
Subject: [PATCH] add check

---
 paddle/fluid/operators/detail/variable_response.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/paddle/fluid/operators/detail/variable_response.h b/paddle/fluid/operators/detail/variable_response.h
index 8e88836af0..8a1cab61ce 100644
--- a/paddle/fluid/operators/detail/variable_response.h
+++ b/paddle/fluid/operators/detail/variable_response.h
@@ -68,6 +68,8 @@ class VariableResponse {
 
   framework::Variable* InitVar() {
     if (use_local_scope_) {
+      bool has_var = (scope_->FindVar(meta_.varname()) != nullptr);
+      PADDLE_ENFORCE(has_var);
       return local_scope_->Var(meta_.varname());
     } else {
       return scope_->FindVar(meta_.varname());
-- 
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