From ebae6fb6b90f7d2db727eea7e6664ceca6992280 Mon Sep 17 00:00:00 2001
From: xujiaqi01 <173596896@qq.com>
Date: Fri, 3 Apr 2020 18:10:02 +0800
Subject: [PATCH] fix gen_worker_desc in hogwild (#23423)

* fix gen_worker_desc in hogwild, it may cause error in transpile mode
* test=develop
---
 python/paddle/fluid/device_worker.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/paddle/fluid/device_worker.py b/python/paddle/fluid/device_worker.py
index 1035e405a37..59aaea0fb49 100644
--- a/python/paddle/fluid/device_worker.py
+++ b/python/paddle/fluid/device_worker.py
@@ -97,7 +97,8 @@ class Hogwild(DeviceWorker):
             print("program of current device worker is not configured")
             exit(-1)
         opt_info = self._program._fleet_opt
-        if opt_info is None:
+        # when opt_info is None or empty dict, it should return
+        if not opt_info:
             return
 
         program_configs = opt_info["program_configs"]
-- 
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