From b2c4f76cf2818977edf4c9f1a542bcccefdc31a2 Mon Sep 17 00:00:00 2001
From: Yibing Liu <liuyibing01@baidu.com>
Date: Thu, 22 Aug 2019 17:18:25 +0800
Subject: [PATCH] Fix sequence mask in dygraph (#19271)

* Fix data parallel & sequence mask in dygraph

test=develop

* Revert change in data_parallel

test=develop
---
 python/paddle/fluid/layers/nn.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index 6a217774f77..28f2ae7d986 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -9647,9 +9647,6 @@ def sequence_mask(x, maxlen=None, dtype='int64', name=None):
             mask = layers.sequence_mask(x=x)
 
     """
-    assert not in_dygraph_mode(), (
-        "sequence layer is not supported in dygraph mode yet.")
-
     helper = LayerHelper('sequence_mask', **locals())
     if name is None:
         out = helper.create_variable_for_type_inference(dtype=dtype)
-- 
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