From 9f11db4080fb355849342de60bca6a8a144018b3 Mon Sep 17 00:00:00 2001
From: tangwei12 <tangwei12@baidu.com>
Date: Fri, 17 Aug 2018 14:10:05 +0800
Subject: [PATCH] add todo in impl

---
 paddle/fluid/operators/distributed/request_handler_impl.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/paddle/fluid/operators/distributed/request_handler_impl.cc b/paddle/fluid/operators/distributed/request_handler_impl.cc
index 2af3a8229e7..66784f0b514 100644
--- a/paddle/fluid/operators/distributed/request_handler_impl.cc
+++ b/paddle/fluid/operators/distributed/request_handler_impl.cc
@@ -130,6 +130,7 @@ bool RequestCheckpointHandler::Handle(const std::string& varname,
       checkpoint_notify_id != -1,
       "when checkpoint_notify_id = -1, there should be no RPC invoke.");
 
+  // TODO(tangwei12): find out why scope will be error.
   auto* lt_var = scope_->FindVar(LOOKUP_TABLE_PATH)->GetMutable<std::string>();
   lt_var->clear();
   lt_var->append(out_var_name);
-- 
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