TypeError: can't pickle _thread.RLock objects

[devendraswamy]

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I am getting error ,while i am executing the code for multiprocessing

File "C:\Users\AppsTekO22\miniconda3\envs\obj_inf\lib\site-packages\flask\app.py", line 1502, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args) File "D:\obj_inf\inference_script_multiprocess_old.py", line 224, in linecam p1.start() File "C:\Users\AppsTekO22\miniconda3\envs\obj_inf\lib\multiprocessing\process.py", line 105, in start self._popen = self._Popen(self) File "C:\Users\AppsTekO22\miniconda3\envs\obj_inf\lib\multiprocessing\context.py", line 223, in _Popen return _default_context.get_context().Process._Popen(process_obj) File "C:\Users\AppsTekO22\miniconda3\envs\obj_inf\lib\multiprocessing\context.py", line 322, in _Popen return Popen(process_obj) File "C:\Users\AppsTekO22\miniconda3\envs\obj_inf\lib\multiprocessing\popen_spawn_win32.py", line 65, in init reduction.dump(process_obj, to_child) File "C:\Users\AppsTekO22\miniconda3\envs\obj_inf\lib\multiprocessing\reduction.py", line 60, in dump ForkingPickler(file, protocol).dump(obj) TypeError: can't pickle _thread.RLock objects

please help resolve this problem , thank you.