[issue16327] subprocess.Popen leaks file descriptors on os.fork() failure

[Jesús Cea Avión]

Jesús Cea Avión added the comment:

http://stackoverflow.com/questions/8997431/is-there-any-way-to-access-nested-or-re-raised-exceptions-in-python

"""
This is known as Exception Chaining and is suported in Python 3.

PEP 3134: http://www.python.org/dev/peps/pep-3134/

In Python 2, the old exception is lost when you raise a new one, unless you save it in the except block.
"""

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<http://bugs.python.org/issue16327>
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