diff --git a/Lib/pydoc.py b/Lib/pydoc.pyindex b0193b4a851..117a1dc8369 100755--- a/Lib/pydoc.py+++ b/Lib/pydoc.py@@ -2511,6 +2511,7 @@ def run(self):         def ready(self, server):             self.serving = True+            time.sleep(0.1)             self.host = server.host             self.port = server.server_port             self.url = 'http://%s:%d/' % (self.host, self.port)

$ ./python.exe -m test test_pydoc -v -m 'test.test_pydoc.test_pydoc.PydocServerTest.test_server'== CPython 3.13.0a4+ (heads/main-dirty:06565090339, Feb 29 2024, 11:49:21) [Clang 15.0.0 (clang-1500.1.0.2.5)]== macOS-14.3.1-arm64-arm-64bit-Mach-O little-endian== Python build: debug== cwd: /Users/itamaro/work/pyexe/main-dbg/build/test_python_worker_66701æ== CPU count: 12== encodings: locale=UTF-8 FS=utf-8== resources: all test resources are disabled, use -u option to unskip testsUsing random seed: 7921561490:00:00 load avg: 5.34 Run 1 test sequentially0:00:00 load avg: 5.34 [1/1] test_pydoc.test_pydoctest_server (test.test_pydoc.test_pydoc.PydocServerTest.test_server) ... ERRORtest_server (test.test_pydoc.test_pydoc.PydocServerTest.test_server) ... ERRORWarning -- threading_cleanup() failed to clean up threads in 1.0 secondsWarning --   before: thread count=0, dangling=1Warning --   after: thread count=1, dangling=2Warning -- Dangling thread: <_MainThread(MainThread, started 7977835584)>Warning -- Dangling thread: <ServerThread(Thread-1, started 6150828032)>======================================================================ERROR: test_server (test.test_pydoc.test_pydoc.PydocServerTest.test_server)----------------------------------------------------------------------Traceback (most recent call last):  File "/Users/itamaro/work/cpython/Lib/test/test_pydoc/test_pydoc.py", line 1823, in test_server    self.assertIn('localhost', serverthread.url)                               ^^^^^^^^^^^^^^^^AttributeError: 'ServerThread' object has no attribute 'url'======================================================================ERROR: test_server (test.test_pydoc.test_pydoc.PydocServerTest.test_server)----------------------------------------------------------------------Traceback (most recent call last):  File "/Users/itamaro/work/cpython/Lib/test/test_pydoc/test_pydoc.py", line 1821, in <lambda>    lambda: serverthread.stop() if serverthread.serving else None            ~~~~~~~~~~~~~~~~~^^  File "/Users/itamaro/work/cpython/Lib/pydoc.py", line 2521, in stop    self.docserver.quit = True    ^^^^^^^^^^^^^^AttributeError: 'ServerThread' object has no attribute 'docserver'----------------------------------------------------------------------Ran 1 test in 1.321sFAILED (errors=2)Warning -- threading._dangling was modified by test_pydoc.test_pydocWarning --   Before: {<weakref at 0x10499c280; to '_MainThread' at 0x102eb0a10>}Warning --   After:  {<weakref at 0x10550f3f0; to '_MainThread' at 0x102eb0a10>, <weakref at 0x10550f380; to 'ServerThread' at 0x1049b81f0>}test test_pydoc.test_pydoc failedtest_pydoc.test_pydoc failed (2 errors)== Tests result: FAILURE ==1 test failed:    test_pydoc.test_pydocTotal duration: 1.4 secTotal tests: run=1 (filtered)Total test files: run=1/1 (filtered) failed=1Result: FAILURE