Description
dear all,
I test main.py and I had the error like below:
I can not fix it.
NUMB_PROCESSES = 12
Traceback (most recent call last):
File ".\main.py", line 86, in
start_processes()
File ".\main.py", line 71, in start_processes
p.start()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\process.py", line 105, in start
self._popen = self._Popen(self)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\context.py", line 223, in _Popen
return _default_context.get_context().Process._Popen(process_obj)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\context.py", line 322, in _Popen
return Popen(process_obj)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\popen_spawn_win32.py", line 65, in init
reduction.dump(process_obj, to_child)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\reduction.py", line 60, in dump
ForkingPickler(file, protocol).dump(obj)
TypeError: can't pickle _thread.lock objects
PS D:\multiprocessing\multiprocessing-and-multithreading-Python-example-master> Traceback (most recent call last):
File "", line 1, in
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\spawn.py", line 99, in spawn_main
new_handle = reduction.steal_handle(parent_pid, pipe_handle)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\multiprocessing\reduction.py", line 82, in steal_handle
_winapi.PROCESS_DUP_HANDLE, False, source_pid)
OSError: [WinError 87] The parameter is incorrect