[issue28273] Make os.waitpid() option parameter optional.

[Jaysinh shukla]

Changes by Jaysinh shukla <jaysinhp at gmail.com>:


Removed file: http://bugs.python.org/file44915/os_waitpid_updated_codebase_jaysinh.diff

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28273>
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