Port 8001 is missing from /etc/services so getaddrinfo() would fail.
We need to switch to some listed port.

--- gevent-24.2.1/src/gevent/tests/test__issue230.py.orig
+++ gevent-24.2.1/src/gevent/tests/test__issue230.py
@@ -11,13 +11,13 @@
 
 
 def block():
-    socket.getaddrinfo('localhost', 8001)
+    socket.getaddrinfo('localhost', 8080)
 
 
 
 class Test(greentest.TestCase):
     def test(self):
-        socket.getaddrinfo('localhost', 8001)
+        socket.getaddrinfo('localhost', 8080)
 
         p = multiprocessing.Process(target=block)
         p.start()