bpo-43723: Fix deprecation error caused by thread.setDaemon() (GH-25361)

3 files changed, 4 insertions, 4 deletions

diff --git a/Lib/test/test_asyncio/test_streams.py b/Lib/test/test_asyncio/test_streams.py
index aa39779..a075358 100644
--- a/Lib/test/test_asyncio/test_streams.py
+++ b/Lib/test/test_asyncio/test_streams.py
@@ -799,7 +799,7 @@ os.close(fd)
 
         # Start the server thread and wait for it to be listening.
         thread = threading.Thread(target=server)
-        thread.setDaemon(True)
+        thread.daemon = True
         thread.start()
         addr = q.get()
 
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 452ba78..6179e28 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -849,7 +849,7 @@ class TestSMTPServer(smtpd.SMTPServer):
         """
         self._thread = t = threading.Thread(target=self.serve_forever,
                                             args=(self.poll_interval,))
-        t.setDaemon(True)
+        t.daemon = True
         t.start()
 
     def serve_forever(self, poll_interval):
@@ -901,7 +901,7 @@ class ControlMixin(object):
         """
         self._thread = t = threading.Thread(target=self.serve_forever,
                                             args=(self.poll_interval,))
-        t.setDaemon(True)
+        t.daemon = True
         t.start()
 
     def serve_forever(self, poll_interval):
diff --git a/Lib/test/test_telnetlib.py b/Lib/test/test_telnetlib.py
index 8e36051..41c4fcd 100644
--- a/Lib/test/test_telnetlib.py
+++ b/Lib/test/test_telnetlib.py
@@ -29,7 +29,7 @@ class GeneralTests(unittest.TestCase):
         self.sock.settimeout(60)  # Safety net. Look issue 11812
         self.port = socket_helper.bind_port(self.sock)
         self.thread = threading.Thread(target=server, args=(self.evt,self.sock))
-        self.thread.setDaemon(True)
+        self.thread.daemon = True
         self.thread.start()
         self.evt.wait()