File "/usr/lib/python2.7/multiprocessing/__init__.py", line 213, in Queue
    from multiprocessing.queues import Queue
  File "/usr/lib/python2.7/multiprocessing/queues.py", line 22, in <module>
    from multiprocessing.synchronize import Lock, BoundedSemaphore, Semaphore, Condition
  File "/usr/lib/python2.7/multiprocessing/synchronize.py", line 33, in <module>
    " function, see issue 3770.")
ImportError: This platform lacks a functioning sem_open implementation, therefore, the required synchronization primitives needed will not function, see issue 3770.