From cd11b1bd5ce30c91166bfb131e8f2618703e13c8 Mon Sep 17 00:00:00 2001
From: yangyaming <mxscmxsc@gmail.com>
Date: Mon, 19 Mar 2018 22:15:20 +0800
Subject: [PATCH] Set default value of y to None.

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

diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 8dced4bbfc..9656dcf94f 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -3295,7 +3295,7 @@ def autoincreased_step_counter(counter_name=None, begin=1, step=1):
     return counter
 
 
-def lod_reset(x, y, target_lod=None):
+def lod_reset(x, y=None, target_lod=None):
     """
     LoD Reset Operator. Set LoD of **x** to a new one specified by **y** or
     **target_lod**. When **y** provided, **y.lod** would be considered as target
-- 
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