New submission from Stefan Forstenlechner:

If input is called right away after applying a single job to 
multiprocessing.Pool or submitting concurrent.futures.ProcessPoolExecutor then 
the processes are not started. If multiple jobs are submitted everything works 
fine.

This only seems to be a problem on Windows (probably only 10) and python 
version 3.x

See my stackoverflow question: 
http://stackoverflow.com/questions/36919678/python-multiprocessing-pool-does-not-start-right-away

----------
components: Windows
messages: 264480
nosy: Stefan Forstenlechner, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: input() call blocks multiprocessing
type: behavior
versions: Python 3.4, Python 3.5

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue26883>
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