run flake8 on travis
run flake8 on travis

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