From 233bdf105ff4c7db52cfc113a5cd242f86452755 Mon Sep 17 00:00:00 2001
From: Jiaming Yuan <jm.yuan@outlook.com>
Date: Thu, 22 Apr 2021 01:57:13 +0800
Subject: [PATCH] Remove `setDaemon` in tracker. (#6872)

---
 python-package/xgboost/tracker.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/python-package/xgboost/tracker.py b/python-package/xgboost/tracker.py
index 88126c790..02cba4aa0 100644
--- a/python-package/xgboost/tracker.py
+++ b/python-package/xgboost/tracker.py
@@ -348,8 +348,7 @@ class RabitTracker(object):
         def run():
             self.accept_slaves(nslave)
 
-        self.thread = Thread(target=run, args=())
-        self.thread.setDaemon(True)
+        self.thread = Thread(target=run, args=(), daemon=True)
         self.thread.start()
 
     def join(self):