PyUtilib / pyutilib / 286

64%

master: 62%

Pull #49

travis-ci

Fix UnboundLocalError (subprocess died before reader threads started).

This resolves an exception that is due to a timing error where a
subprocess can die before the O/I reader threads are launched.  The
cleanup routines need to verify that the threads were created before
joining them.

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5559 of 8688 relevant lines covered (63.98%)

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