diff --git a/python-package/xgboost/tracker.py b/python-package/xgboost/tracker.py
index 10edc8343f05..700b6898fa44 100644
--- a/python-package/xgboost/tracker.py
+++ b/python-package/xgboost/tracker.py
@@ -63,7 +63,8 @@ def get_host_ip(hostIP=None):
         try:
             hostIP = socket.gethostbyname(socket.getfqdn())
         except gaierror:
-            logging.warn('gethostbyname(socket.getfqdn()) failed... trying on hostname()')
+            logging.warning(
+                'gethostbyname(socket.getfqdn()) failed... trying on hostname()')
             hostIP = socket.gethostbyname(socket.gethostname())
         if hostIP.startswith("127."):
             s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)