flake8 checks were run for both python 2.7 and 3.4
There were some style issues as:
- Line width > 79
- No double blank line before function definition
- No double blank space before inline comment
- Some other minor issues
Signed-off-by: Mauricio Vasquez B <mauricio.vasquezbernal@studenti.polito.it>
Acked-by: John McNamara <john.mcnamara@intel.com>
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