pep8 cleanup on tests
pep8 cleanup on tests

postmanlabs/httpbin,Stackato-Apps/httpbin,Lukasa/httpbin,fangdingjun/httpbin,ashcoding/httpbin,pskrz/httpbin,bradparks/httpbin__http_echo_service_for_testing_http_requests,sigmavirus24/httpbin,Jaccorot/httpbin,mansilladev/httpbin,habibmasuro/httpbin,yemingm/httpbin,marinehero/httpbin,pestanko/httpbin,mozillazg/bustard-httpbin,vscarpenter/httpbin,mojaray2k/httpbin,admin-zhx/httpbin,kennethreitz/httpbin,Lukasa/httpbin,shaunstanislaus/httpbin,OndrejPontes/httpbin,yangruiyou85/httpbin,fangdingjun/httpbin,logonmy/httpbin,mozillazg/bustard-httpbin,ashcoding/httpbin,yemingm/httpbin,logonmy/httpbin,phouse512/httpbin,pskrz/httpbin,lioonline/httpbin,vscarpenter/httpbin,luosam1123/httpbin,luhkevin/httpbin,marinehero/httpbin,Runscope/httpbin,paranoiasystem/httpbin,gvangool/httpbin,nkhuyu/httpbin,scottydelta/httpbin,bradparks/httpbin__http_echo_service_for_testing_http_requests,nkhuyu/httpbin,ewdurbin/httpbin,postmanlabs/httpbin,habibmasuro/httpbin,luosam1123/httpbin,scottydelta/httpbin,krissman/httpbin,gvangool/httpbin,hnq90/httpbin,pestanko/httpbin,OndrejPontes/httpbin,Jaccorot/httpbin,luhkevin/httpbin,paranoiasystem/httpbin,hnq90/httpbin,ewdurbin/httpbin,Runscope/httpbin,phouse512/httpbin,mansilladev/httpbin,lioonline/httpbin,mojaray2k/httpbin,kennethreitz/httpbin,tatsuhiro-t/httpbin,yangruiyou85/httpbin,SunGuo/httpbin,admin-zhx/httpbin,krissman/httpbin,Stackato-Apps/httpbin,SunGuo/httpbin,shaunstanislaus/httpbin,sigmavirus24/httpbin