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-rw-r--r--Lib/multiprocessing/managers.py2
-rw-r--r--Misc/NEWS3
2 files changed, 4 insertions, 1 deletions
diff --git a/Lib/multiprocessing/managers.py b/Lib/multiprocessing/managers.py
index 6e63a60..c4dc972 100644
--- a/Lib/multiprocessing/managers.py
+++ b/Lib/multiprocessing/managers.py
@@ -283,7 +283,7 @@ class Server(object):
try:
send(msg)
except Exception as e:
- send(('#UNSERIALIZABLE', repr(msg)))
+ send(('#UNSERIALIZABLE', format_exc()))
except Exception as e:
util.info('exception in thread serving %r',
threading.current_thread().name)
diff --git a/Misc/NEWS b/Misc/NEWS
index 8f1b724..773de57 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -248,6 +248,9 @@ Library
- Issue #6766: Distributed reference counting added to multiprocessing
to support nesting of shared values / proxy objects.
+- Issue #21201: Improves readability of multiprocessing error message. Thanks
+ to Wojciech Walczak for patch.
+
C API
-----