Ported to Windows:

- Set the host to "localhost" instead of "".

- Skip the AF_UNIX tests when socket.AF_UNIX is not defined.

Lib/test/test_socketserver.py

@@ -90,7 +90,7 @@ def pickport():
     seed += 1
     return 10000 + (os.getpid() % 1000)*10 + seed
 
-host = ""
+host = "localhost"
 testfiles = []
 def pickaddr(proto):
     if proto == socket.AF_INET:
@@ -147,6 +147,7 @@ else:
 def testall():
     testloop(socket.AF_INET, tcpservers, MyStreamHandler, teststream)
     testloop(socket.AF_INET, udpservers, MyDatagramHandler, testdgram)
+    if hasattr(socket, 'AF_UNIX'):
         testloop(socket.AF_UNIX, streamservers, MyStreamHandler, teststream)
         # Alas, on Linux (at least) recvfrom() doesn't return a meaningful
         # client address so this cannot work: