caoyue ce3297c46c use sys.exit() replace exit()
exit() is used for interactive shell, it relies on the site module.
sys.exit() is considered good to use in programs.

Change-Id: I77169ce6bf6e2c778013b1260f68093e95178b7f
2016-01-25 17:46:46 +08:00
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2016-01-17 16:19:23 -05:00
2016-01-25 17:46:46 +08:00
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