From 0721767ba90536ee205ca04ac35dd0c124a797c8 Mon Sep 17 00:00:00 2001
From: danleifeng <52735331+danleifeng@users.noreply.github.com>
Date: Wed, 23 Sep 2020 10:18:32 +0800
Subject: [PATCH] fix server_num bug;test=develop (#27442)

---
 python/paddle/distributed/fleet/base/role_maker.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/paddle/distributed/fleet/base/role_maker.py b/python/paddle/distributed/fleet/base/role_maker.py
index 81d5908ccd..f66f013e4d 100644
--- a/python/paddle/distributed/fleet/base/role_maker.py
+++ b/python/paddle/distributed/fleet/base/role_maker.py
@@ -605,7 +605,8 @@ class PaddleCloudRoleMaker(RoleMakerBase):
         """
         if not self._role_is_generated:
             self._generate_role()
-        return len(self._get_pserver_endpoints())
+        return len(self._get_pserver_endpoints(
+        )) if self._get_pserver_endpoints() is not None else 0
 
     def _node_num(self):
         """
-- 
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