OSError in termux

[devcrax]

python2 sqliv.py -d inurl:article.php?id= -e google [MSG] [22:33:14] searching for websites with given dork
[MSG] [22:33:18] 10 websites found
Traceback (most recent call last):
File "sqliv.py", line 94, in
vulnerables = scanner.scan(websites)
File "/data/data/com.termux/files/home/sqliv/src/scanner.py", line 22, in scan
pool = multiprocessing.Pool(max_processes, init)
File "/data/data/com.termux/files/usr/lib/python2.7/multiprocessing/init.py", line 232, in Pool
return Pool(processes, initializer, initargs, maxtasksperchild)
File "/data/data/com.termux/files/usr/lib/python2.7/multiprocessing/pool.py", line 140, in init
self._setup_queues()
File "/data/data/com.termux/files/usr/lib/python2.7/multiprocessing/pool.py", line 236, in _setup_queues
self._inqueue = SimpleQueue()
File "/data/data/com.termux/files/usr/lib/python2.7/multiprocessing/queues.py", line 352, in init
self._rlock = Lock()
File "/data/data/com.termux/files/usr/lib/python2.7/multiprocessing/synchronize.py", line 147, in init
SemLock.init(self, SEMAPHORE, 1, 1)
File "/data/data/com.termux/files/usr/lib/python2.7/multiprocessing/synchronize.py", line 75, in init
sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue)
OSError: [Errno 38] Function not implemented