New submission from Jonathan <bugrepo...@lightpear.com>:
I'm using Concurrent Futures to run some work in parallel
(futures.ProcessPoolExecutor) on windows 7 x64. The code works fine in 3.6.3,
and 3.5.x before that.
I've just upgraded to 3.7.2 and it's giving me these errors:
Process SpawnProcess-6:
Traceback (most recent call last):
File "c:\_libs\Python37\lib\multiprocessing\process.py", line 297, in
_bootstrap
self.run()
File "c:\_libs\Python37\lib\multiprocessing\process.py", line 99, in run
self._target(*self._args, **self._kwargs)
File "c:\_libs\Python37\lib\concurrent\futures\process.py", line 226, in
_process_worker
call_item = call_queue.get(block=True)
File "c:\_libs\Python37\lib\multiprocessing\queues.py", line 93, in get
with self._rlock:
File "c:\_libs\Python37\lib\multiprocessing\synchronize.py", line 95, in
__enter__
return self._semlock.__enter__()
PermissionError: [WinError 5] Access is denied
If I switch back to the 3.6.3 venv it works fine again.
----------
messages: 336649
nosy: jonathan-lp
priority: normal
severity: normal
status: open
title: Regression - Concurrent Futures
versions: Python 3.7
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36120>
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