[issue13812] multiprocessing package doesn't flush stderr on child exception

[Jon Brandvein]

Jon Brandvein <jon.brandvein at gmail.com> added the comment:

Some more information: When I write to a new file created by open(), all versions flush correctly. However, if I reassign sys.stdout to that file, Python 3.x does not (again, under Windows). I wonder what it is that causes these other files to flush.

(Note: I am testing by calling time.sleep() and inspecting the output file during and after the pause.)

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<http://bugs.python.org/issue13812>
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