Error In many module

[abhayjarsaniya]

Traceback (most recent call last): File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/synchronize.py", line 28, in from _multiprocessing import SemLock, sem_unlink ImportError: cannot import name 'SemLock' from '_multiprocessing' (/data/data/com.termux/files/usr/lib/python3.9/lib-dynload/_multiprocessing.cpython-39.so)

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/data/data/com.termux/files/home/btc-hack/btc-hack/btc-hack.py", line 117, in pool = ThreadPool(processes = multiprocessing.cpu_count()*2) File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/pool.py", line 927, in init Pool.init(self, processes, initializer, initargs) File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/pool.py", line 196, in init self._change_notifier = self._ctx.SimpleQueue() File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/context.py", line 113, in SimpleQueue return SimpleQueue(ctx=self.get_context()) File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/queues.py", line 342, in init self._rlock = ctx.Lock() File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/context.py", line 67, in Lock from .synchronize import Lock File "/data/data/com.termux/files/usr/lib/python3.9/multiprocessing/synchronize.py", line 30, in raise ImportError("This platform lacks a functioning sem_open" + ImportError: This platform lacks a functioning sem_open implementation, therefore, the required synchronization primitives needed will not function, see issue 3770.

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/data/data/com.termux/files/home/btc-hack/btc-hack/btc-hack.py", line 120, in pool.close() NameError: name 'pool' is not defined $

[i6c]

pip install multiprocessing

[sathish23M]

Hello sir always coming error me as lo pool, please give full information to install & solve r clear error......?????