[3.2.x] Refs #32074 -- Removed usage of deprecated Thread.setDaemon().

Thread.setDaemon() was deprecated in Python 3.10 and will be removed in Python 3.12. Backport of f9f6bd6 from main
django · Oct 5, 2021 · d0dc446 · d0dc446
1 parent 8bebb1c
commit d0dc446
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diff --git a/django/utils/autoreload.py b/django/utils/autoreload.py
@@ -615,7 +615,7 @@ def start_django(reloader, main_func, *args, **kwargs):
 
     main_func = check_errors(main_func)
     django_main_thread = threading.Thread(target=main_func, args=args, kwargs=kwargs, name='django-main-thread')
-    django_main_thread.setDaemon(True)
+    django_main_thread.daemon = True
     django_main_thread.start()
 
     while not reloader.should_stop:

diff --git a/tests/utils_tests/test_autoreload.py b/tests/utils_tests/test_autoreload.py
@@ -369,7 +369,7 @@ def test_starts_thread_with_args(self, mocked_check_errors, mocked_thread):
             mocked_thread.call_args[1],
             {'target': fake_main_func, 'args': (123,), 'kwargs': {'abc': 123}, 'name': 'django-main-thread'}
         )
-        self.assertSequenceEqual(fake_thread.setDaemon.call_args[0], [True])
+        self.assertIs(fake_thread.daemon, True)
         self.assertTrue(fake_thread.start.called)