From fea4326637f5a3aa020a7f1424acb0b5681451c9 Mon Sep 17 00:00:00 2001
From: Kaipeng Deng <dengkaipeng@baidu.com>
Date: Mon, 20 Apr 2020 15:12:18 +0800
Subject: [PATCH] fix logger propagate. test=develop. test=release/2.0 (#23983)

---
 python/paddle/fluid/log_helper.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/python/paddle/fluid/log_helper.py b/python/paddle/fluid/log_helper.py
index ab20ed4c48c..a7617c8f62a 100644
--- a/python/paddle/fluid/log_helper.py
+++ b/python/paddle/fluid/log_helper.py
@@ -49,4 +49,8 @@ def get_logger(name, level, fmt=None):
         handler.setFormatter(formatter)
 
     logger.addHandler(handler)
+
+    # stop propagate for propagating may print
+    # log multiple times
+    logger.propagate = False
     return logger
-- 
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