From b6d14d9d072ba3ad73e51d29d93b4ec1f43b7c70 Mon Sep 17 00:00:00 2001
From: LutaoChu <30695251+LutaoChu@users.noreply.github.com>
Date: Tue, 11 Aug 2020 17:34:14 +0800
Subject: [PATCH] add deprecated decorator, remove alias for cumsum op (#26104)

add deprecated decorator, remove alias for cumsum op
---
 python/paddle/fluid/layers/ops.py | 5 +++++
 python/paddle/tensor/math.py      | 3 ---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/python/paddle/fluid/layers/ops.py b/python/paddle/fluid/layers/ops.py
index c8f74c809a..8b3e430952 100644
--- a/python/paddle/fluid/layers/ops.py
+++ b/python/paddle/fluid/layers/ops.py
@@ -18,6 +18,7 @@ from .layer_function_generator import generate_layer_fn, generate_activation_fn,
 from .. import core
 from ..framework import convert_np_dtype_to_dtype_, Variable
 from ..data_feeder import convert_dtype, check_variable_and_dtype, check_type, check_dtype
+from paddle.utils import deprecated
 
 __activations_noattr__ = [
     'sigmoid',
@@ -502,6 +503,10 @@ __all__ += ['cumsum']
 _cum_sum_ = generate_layer_fn('cumsum')
 
 
+@deprecated(
+    since="2.0.0",
+    update_to="paddle.cumsum",
+    reason="New APIs for Paddle 2.0 are coming.")
 def cumsum(x, axis=None, exclusive=None, reverse=None):
     check_type(x, 'x', (Variable), 'cumsum')
     locals_var = locals().copy()
diff --git a/python/paddle/tensor/math.py b/python/paddle/tensor/math.py
index 7ce82e7ae3..e21aeb039f 100644
--- a/python/paddle/tensor/math.py
+++ b/python/paddle/tensor/math.py
@@ -1546,9 +1546,6 @@ ${comment}
 
 def cumsum(x, axis=None, dtype=None, name=None):
     """
-	:alias_main: paddle.cumsum
-	:alias: paddle.cumsum,paddle.tensor.cumsum,paddle.tensor.math.cumsum
-
     The cumulative sum of the elements along a given axis. The first element of the result is the same of the first element of the input. 
 
     Args:
-- 
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