Hi Ferman,
Tried to understand how your code works. Appreciate if you can let me know what could have caused this error. TQ!

Traceback (most recent call last):
File "C:\Users\cc_ch\PycharmProjects\vorMonitoring\testanimation.py", line 86, in
start_processes()
File "C:\Users\cc_ch\PycharmProjects\vorMonitoring\testanimation.py", line 80, in start_processes
p.start()
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\process.py", line 121, in start
self._popen = self._Popen(self)
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\context.py", line 224, in _Popen
return _default_context.get_context().Process._Popen(process_obj)
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\context.py", line 336, in _Popen
return Popen(process_obj)
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\popen_spawn_win32.py", line 93, in init
reduction.dump(process_obj, to_child)
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\reduction.py", line 60, in dump
ForkingPickler(file, protocol).dump(obj)
TypeError: cannot pickle '_thread.lock' object
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\spawn.py", line 116, in spawn_main
exitcode = _main(fd, parent_sentinel)
File "C:\Users\cc_ch\AppData\Local\Programs\Python\Python310\lib\multiprocessing\spawn.py", line 126, in _main
self = reduction.pickle.load(from_parent)
EOFError: Ran out of input