Traceback (most recent call last):


 "/usr/lib64/python3.6/multiprocessing/process.py", line 258, in _bootstrap

self.run()


 "/usr/lib64/python3.6/multiprocessing/process.py", line 93, in run

self._target(*self._args, **self._kwargs)


 "/usr/lib64/python3.6/multiprocessing/pool.py", line 103, in worker

initializer(*initargs)


 "/home/liangxin/codes/DrQA_mac/drqa/pipeline/drqa.py", line 39, in init

PROCESS_TOK = tokenizer_class(**tokenizer_opts)


 "/home/liangxin/codes/DrQA_mac/drqa/tokenizers/corenlp_tokenizer.py", line 33, in __init__

self._launch()


 "/home/liangxin/codes/DrQA_mac/drqa/tokenizers/corenlp_tokenizer.py", line 55, in _launch

self.corenlp = pexpect.spawn('/bin/bash', maxread=100000, timeout=60)


 "/home/liangxin/drqa_venv/lib64/python3.6/site-packages/pexpect/pty_spawn.py", line 197, in __init__

self._spawn(command, args, preexec_fn, dimensions)


 "/home/liangxin/drqa_venv/lib64/python3.6/site-packages/pexpect/pty_spawn.py", line 297, in _spawn

cwd=self.cwd, **kwargs)


 "/home/liangxin/drqa_venv/lib64/python3.6/site-packages/pexpect/pty_spawn.py", line 308, in _spawnpty

return ptyprocess.PtyProcess.spawn(args, **kwargs)


 "/home/liangxin/drqa_venv/lib64/python3.6/site-packages/ptyprocess/ptyprocess.py", line 226, in spawn

pid, fd = pty.fork()


 "/usr/lib64/python3.6/pty.py", line 97, in fork

pid = os.fork()
BlockingIOError: [Errno 11] Resource temporarily unavailable

Traceback (most recent call last):

 "/usr/bin/salt-ssh", line 11, in <module>
sys.exit(salt_ssh())

 "/usr/lib/python2.7/site-packages/salt/scripts.py", line 385, in salt_ssh
import salt.cli.ssh

 "/usr/lib/python2.7/site-packages/salt/cli/ssh.py", line 5, in <module>
import salt.client.ssh

 "/usr/lib/python2.7/site-packages/salt/client/__init__.py", line 30, in <module>
import salt.minion

 "/usr/lib/python2.7/site-packages/salt/minion.py", line 57, in <module>
import salt.utils.psutil_compat as psutil

 "/usr/lib/python2.7/site-packages/salt/utils/psutil_compat.py", line 16, in <module>
import psutil

 "/usr/lib64/python2.7/site-packages/psutil/__init__.py", line 89, in <module>
import psutil._pslinux as _psplatformAttributeError: 'module' object has no attribute '_pslinux'