Luong Anh Tuan e5cb2569a6 Using sys.exit(main()) instead of main()
TrivialFix: Similar [1] in Kolla project
As we known, Exceptions are raised by the sys.exit() function. When they
are not handled, no stack traceback is printed in the Python interpreter.
Therefore, when using sys.exit(main()) instead of main()
may be more readable and reasonable.

[1] https://review.openstack.org/#/c/349353/

Change-Id: Ied52a7631da82a72f0dcf2fc9ed81840d24041d9
2016-09-26 03:23:44 +00:00
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