fixed code and style typos after pep8
fixed code and style typos after pep8

quarkslab/irma,quarkslab/irma,hirokihamasaki/irma,hirokihamasaki/irma,hirokihamasaki/irma,quarkslab/irma,hirokihamasaki/irma,hirokihamasaki/irma,quarkslab/irma