bpo-40275: Avoid importing socket in test.support (GH-19603)
* Move socket related functions from test.support to socket_helper.
* Import socket, nntplib and urllib.error lazily in transient_internet().
* Remove importing multiprocess.
diff --git a/Lib/test/test_socketserver.py b/Lib/test/test_socketserver.py
index f818df0..c663cc9 100644
--- a/Lib/test/test_socketserver.py
+++ b/Lib/test/test_socketserver.py
@@ -15,12 +15,13 @@
import test.support
from test.support import reap_children, reap_threads, verbose
+from test.support import socket_helper
test.support.requires("network")
TEST_STR = b"hello world\n"
-HOST = test.support.HOST
+HOST = socket_helper.HOST
HAVE_UNIX_SOCKETS = hasattr(socket, "AF_UNIX")
requires_unix_sockets = unittest.skipUnless(HAVE_UNIX_SOCKETS,