minor

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 
-## [0.15.6] - in progress
+## [0.15.6] - 2024-06-02
 
 - Finetune `mpservice.multiprocessing.server_process`: 
     - support pickling of `ServerProcess` objects.

src/mpservice/__init__.py

@@ -26,7 +26,7 @@
    python3 -m pip install mpservice
 """
 
-__version__ = '0.15.5'
+__version__ = '0.15.6'
 
 
 from . import (

src/mpservice/multiprocessing/server_process.py

@@ -483,9 +483,13 @@ def start(self, *args, **kwargs):
         return z
 
     def __reduce__(self):
+        if get_spawning_popen() is not None:
+            auth = self._authkey
+        else:
+            auth = None
         return (
             self._rebuild_manager,
-            (self.__class__, self._address, self._authkey, self._serializer),
+            (type(self), self._address, auth, self._serializer),
         )
 
     @staticmethod
@@ -699,7 +703,7 @@ def __reduce__(self):
         kwds = {}
         if get_spawning_popen() is not None:
             kwds['authkey'] = self._authkey
-        elif get_server(self._token.address):
+        elif self._server:
             kwds = {'authkey': bytes(self._authkey)}
             # Bypass a security check of `multiprocessing.process.AuthenticationString`,
             # because returning a proxy from the server is safe.