From 57de4842e677b8aee61cd889f2142c66834ba437 Mon Sep 17 00:00:00 2001
From: Kaipeng Deng <dengkaipeng@baidu.com>
Date: Sat, 15 Feb 2020 19:07:45 +0800
Subject: [PATCH] optimizer var exlcude fluid.data var. test=develop (#22594)

---
 python/paddle/fluid/io.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/paddle/fluid/io.py b/python/paddle/fluid/io.py
index 0f7c12272f8..d8d650026be 100644
--- a/python/paddle/fluid/io.py
+++ b/python/paddle/fluid/io.py
@@ -111,7 +111,7 @@ def is_persistable(var):
 
 
 def is_belong_to_optimizer(var):
-    if not isinstance(var, Parameter):
+    if not isinstance(var, Parameter) or var.desc.need_check_feed():
         return is_persistable(var)
 
     return False
-- 
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