Python——multiprocessing报错：TypeError: cannot pickle ‘_thread.lock‘ object

Traceback (most recent call last): File "C:\Users\miaochangbin\PycharmProjects\eduCrawler\main.py", line 138, in <module> p.start() File "D:\Program Files\python\lib\multiprocessing\process.py", line 121, in start self._popen = self._Popen(self) File "D:\Program Files\python\lib\multiprocessing\context.py", line 224, in _Popen return _default_context.get_context().Process._Popen(process_obj) File "D:\Program Files\python\lib\multiprocessing\context.py", line 327, in _Popen return Popen(process_obj) File "D:\Program Files\python\lib\multiprocessing\popen_spawn_win32.py", line 93, in __init__ reduction.dump(process_obj, to_child) File "D:\Program Files\python\lib\multiprocessing\reduction.py", line 60, in dump ForkingPickler(file, protocol).dump(obj) TypeError: cannot pickle '_thread.lock' object