C:\Python34\python3.exe "E:/BaiDuYun/Python Tu/multiprocessing.managers/taskmaster.py" Traceback (most recent call last): File "E:/BaiDuYun/Python Tu/multiprocessing.managers/taskmaster.py", line 21, in <module> manager.start() File "C:\Python34\lib\multiprocessing\managers.py", line 491, in start self.process.start() File "C:\Python34\lib\multiprocessing\process.py", line 105, in start self.popen = self._Popen(self) File "C:\Python34\lib\multiprocessing\context.py", line 313, in _Popen return Popen(process_obj) File "C:\Python34\lib\multiprocessing\popen_spawn_win32.py", line 66, in __init reduction.dump(process_obj, to_child) File "C:\Python34\lib\multiprocessing\reduction.py", line 59, in dump ForkingPickler(file, protocol).dump(obj) _pickle.PicklingError: Can't pickle <function <lambda> at 0x01FE2300>: attribute lookup <lambda> on __main failed