From e5b9753a1895e7221a05e4d15787dd8b720eaad0 Mon Sep 17 00:00:00 2001
From: LielinJiang <50691816+LielinJiang@users.noreply.github.com>
Date: Tue, 6 Aug 2019 21:02:41 +0800
Subject: [PATCH] Fix ExponentialMovingAverage api bug in python3, test=develop
 (#18775)

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

diff --git a/python/paddle/fluid/optimizer.py b/python/paddle/fluid/optimizer.py
index 46425cfce6..2eb68b82f0 100644
--- a/python/paddle/fluid/optimizer.py
+++ b/python/paddle/fluid/optimizer.py
@@ -2617,7 +2617,7 @@ class ExponentialMovingAverage(object):
             with param.block.program._optimized_guard(
                 [param, tmp]), name_scope('moving_average'):
                 param_ema = self._ema_vars[param.name]
-                if self._ema_vars.has_key(param.name + '.master'):
+                if param.name + '.master' in self._ema_vars:
                     master_ema = self._ema_vars[param.name + '.master']
                     param_master_emas.append([param_ema, master_ema])
                 else:
-- 
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