Looks great.<p>FWIW, <a href="https:&#x2F;&#x2F;pypi.python.org&#x2F;pypi&#x2F;parallel-ssh" rel="nofollow">https:&#x2F;&#x2F;pypi.python.org&#x2F;pypi&#x2F;parallel-ssh</a> will work with Python2; also does not use threads or processes.