pep8 fix && py3 cleanup
pep8 fix && py3 cleanup

okin/nikola,damianavila/nikola,berezovskyi/nikola,TyberiusPrime/nikola,gwax/nikola,kotnik/nikola,getnikola/nikola,s2hc-johan/nikola,xuhdev/nikola,kotnik/nikola,damianavila/nikola,yamila-moreno/nikola,servalproject/nikola,schettino72/nikola,Proteus-tech/nikola,jjconti/nikola,okin/nikola,okin/nikola,jjconti/nikola,getnikola/nikola,gwax/nikola,atiro/nikola,schettino72/nikola,yamila-moreno/nikola,knowsuchagency/nikola,atiro/nikola,techdragon/nikola,immanetize/nikola,andredias/nikola,getnikola/nikola,TyberiusPrime/nikola,masayuko/nikola,lucacerone/nikola,JohnTroony/nikola,okin/nikola,knowsuchagency/nikola,TyberiusPrime/nikola,techdragon/nikola,andredias/nikola,lucacerone/nikola,JohnTroony/nikola,berezovskyi/nikola,pluser/nikola,s2hc-johan/nikola,wcmckee/nikola,JohnTroony/nikola,getnikola/nikola,x1101/nikola,wcmckee/nikola,pluser/nikola,schettino72/nikola,kotnik/nikola,x1101/nikola,xuhdev/nikola,jjconti/nikola,immanetize/nikola,techdragon/nikola,berezovskyi/nikola,masayuko/nikola,gwax/nikola,Proteus-tech/nikola,pluser/nikola,masayuko/nikola,immanetize/nikola,lucacerone/nikola,andredias/nikola,Proteus-tech/nikola,x1101/nikola,xuhdev/nikola,yamila-moreno/nikola,servalproject/nikola,wcmckee/nikola,xuhdev/nikola,Proteus-tech/nikola,damianavila/nikola,s2hc-johan/nikola,knowsuchagency/nikola,servalproject/nikola,atiro/nikola