From 9484567be527076f41cebb7112f10aa4d385c55a Mon Sep 17 00:00:00 2001
From: lfchener <lfchener@outlook.com>
Date: Fri, 25 Sep 2020 06:59:15 +0000
Subject: [PATCH] modified sample code of add_position_encoding to  2.0,
 test=document_fix

---
 python/paddle/fluid/layers/nn.py | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 3e7d10f8d1a..774630e7ef5 100755
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -13156,14 +13156,14 @@ def add_position_encoding(input, alpha, beta, name=None):
     Examples:
         .. code-block:: python
 
-          import paddle.fluid as fluid
+          import numpy as np
+          import paddle
+          import paddle.nn.functional as F
 
-          tensor = fluid.data(
-              name='tensor',
-              shape=[None, 64, 512],
-              dtype='float32')
-          position_tensor = fluid.layers.add_position_encoding(
-              input=tensor, alpha=1.0, beta=1.0)
+          tensor = np.random.randn(16, 32, 64) 
+          tensor = paddle.to_tensor(tensor)
+          position_tensor = F.add_position_encoding(
+                input=tensor, alpha=1.0, beta=1.0)
 
     """
     helper = LayerHelper('add_position_encoding', **locals())
-- 
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