switch --wait option to --no-wait and wait by default

[fgeorgeanybox]

PEP8 fixes pushed! Hope build will ending fine! Thanks

[coveralls]

Pull Request Test Coverage Report for Build 24

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.948%

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Totals
Change from base Build 23:	0.0%
Covered Lines:	540
Relevant Lines:	557

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💛 - Coveralls

[petrus-v]

:+1: LGTM

I'm merging