Fix #9600. Don't use relative imports for _multiprocessing on Windows.

Same fix as #9513 on 3.x.

Lib/multiprocessing/connection.py

@@ -173,7 +173,7 @@ if sys.platform != 'win32':
 
 else:
 
-    from ._multiprocessing import win32
+    from _multiprocessing import win32
 
     def Pipe(duplex=True):
         '''

Lib/multiprocessing/forking.py

@@ -150,7 +150,7 @@ else:
     import _subprocess
     import time
 
-    from ._multiprocessing import win32, Connection, PipeConnection
+    from _multiprocessing import win32, Connection, PipeConnection
     from .util import Finalize
 
     #try:

Lib/multiprocessing/heap.py

@@ -26,7 +26,7 @@ __all__ = ['BufferWrapper']
 
 if sys.platform == 'win32':
 
-    from ._multiprocessing import win32
+    from _multiprocessing import win32
 
     class Arena(object):
 

Lib/multiprocessing/reduction.py

@@ -34,7 +34,7 @@ if not(sys.platform == 'win32' or hasattr(_multiprocessing, 'recvfd')):
 
 if sys.platform == 'win32':
     import _subprocess
-    from ._multiprocessing import win32
+    from _multiprocessing import win32
 
     def send_handle(conn, handle, destination_pid):
         process_handle = win32.OpenProcess(

Misc/NEWS

@@ -12,6 +12,8 @@ What's New in Python 2.6.6?
 Library
 -------
 
+- Issue #9600: Don't use relative import for _multiprocessing on Windows.
+
 - Issue #8688: Revert regression introduced in 2.6.6rc1 (making Distutils
   recalculate MANIFEST every time).