Issue #11743: Rewrite multiprocessing connection classes in pure Python.
diff --git a/Lib/multiprocessing/forking.py b/Lib/multiprocessing/forking.py
index cc7c326..3d95557 100644
--- a/Lib/multiprocessing/forking.py
+++ b/Lib/multiprocessing/forking.py
@@ -183,7 +183,7 @@
import time
from pickle import dump, load, HIGHEST_PROTOCOL
- from _multiprocessing import win32, Connection, PipeConnection
+ from _multiprocessing import win32
from .util import Finalize
def dump(obj, file, protocol=None):
@@ -411,6 +411,9 @@
# Make (Pipe)Connection picklable
#
+ # Late import because of circular import
+ from .connection import Connection, PipeConnection
+
def reduce_connection(conn):
if not Popen.thread_is_spawning():
raise RuntimeError(