pep8: utils.py
pep8: utils.py

Signed-off-by: Isaku Yamahata <4b3abd66323411eeceff090ab3754dd766fc4b25@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

pichuang/ryu,yamt/ryu,yamada-h/ryu,alanquillin/ryu,lzppp/mylearning,fkakuma/ryu,evanscottgray/ryu,elahejalalpour/ELRyu,iwaseyusuke/ryu,yamt/ryu,TakeshiTseng/ryu,ynkjm/ryu,takahashiminoru/ryu,Zouyiran/ryu,gareging/SDN_Framework,samrussell/ryu,alyosha1879/ryu,shinpeimuraoka/ryu,zyq001/ryu,habibiefaried/ryu,iwaseyusuke/ryu,OpenState-SDN/ryu,John-Lin/ryu,alyosha1879/ryu,openvapour/ryu,jazzmes/ryu,lzppp/mylearning,torufuru/OFPatchPanel,ynkjm/ryu,gopchandani/ryu,umkcdcrg01/ryu_openflow,Tejas-Subramanya/RYU_MEC,shinpeimuraoka/ryu,StephenKing/summerschool-2015-ryu,darjus-amzn/ryu,pichuang/ryu,torufuru/oolhackathon,muzixing/ryu,alanquillin/ryu,evanscottgray/ryu,fkakuma/ryu,muzixing/ryu,TakeshiTseng/ryu,John-Lin/ryu,umkcdcrg01/ryu_openflow,Zouyiran/ryu,Zouyiran/ryu,takahashiminoru/ryu,castroflavio/ryu,citrix-openstack/build-ryu,OpenState-SDN/ryu,lsqtongxin/ryu,darjus-amzn/ryu,iwaseyusuke/ryu,jalilm/ryu,Tesi-Luca-Davide/ryu,fkakuma/ryu,jkoelker/ryu,zyq001/ryu,haniehrajabi/ryu,StephenKing/ryu,fujita/ryu,hisaharu/ryu,yamt/ryu,fkakuma/ryu,castroflavio/ryu,jalilm/ryu,osrg/ryu,ntts-clo/ryu,darjus-amzn/ryu,habibiefaried/ryu,Tesi-Luca-Davide/ryu,jazzmes/ryu,lzppp/mylearning,fujita/ryu,zyq001/ryu,ttsubo/ryu,OpenState-SDN/ryu,pichuang/ryu,iwaseyusuke/ryu,shinpeimuraoka/ryu,Zouyiran/ryu,gopchandani/ryu,o3project/ryu-oe,sivaramakrishnansr/ryu,elahejalalpour/ELRyu,torufuru/oolhackathon,alanquillin/ryu,ysywh/ryu,gareging/SDN_Framework,lagopus/ryu-lagopus-ext,ykaneko/ryu,openvapour/ryu,hisaharu/ryu,fujita/ryu,shinpeimuraoka/ryu,diogommartins/ryu,John-Lin/ryu,gopchandani/ryu,alanquillin/ryu,OpenState-SDN/ryu,mikhaelharswanto/ryu,jalilm/ryu,StephenKing/summerschool-2015-ryu,ttsubo/ryu,yamada-h/ryu,jkoelker/ryu,umkcdcrg01/ryu_openflow,John-Lin/ryu,shinpeimuraoka/ryu,StephenKing/summerschool-2015-ryu,habibiefaried/ryu,darjus-amzn/ryu,diogommartins/ryu,habibiefaried/ryu,pichuang/ryu,ntts-clo/ryu,lsqtongxin/ryu,lagopus/ryu-lagopus-ext,ynkjm/ryu,ynkjm/ryu,haniehrajabi/ryu,openvapour/ryu,ysywh/ryu,takahashiminoru/ryu,zangree/ryu,muzixing/ryu,osrg/ryu,takahashiminoru/ryu,zangree/ryu,unifycore/ryu,ntts-clo/mld-ryu,osrg/ryu,lsqtongxin/ryu,haniehrajabi/ryu,lagopus/ryu-lagopus-ext,openvapour/ryu,haniehrajabi/ryu,mikhaelharswanto/ryu,yamt/ryu,haniehrajabi/ryu,StephenKing/ryu,Tejas-Subramanya/RYU_MEC,lzppp/mylearning,sivaramakrishnansr/ryu,alanquillin/ryu,ttsubo/ryu,alyosha1879/ryu,torufuru/oolhackathon,ttsubo/ryu,zangree/ryu,diogommartins/ryu,elahejalalpour/ELRyu,fkakuma/ryu,lzppp/mylearning,hisaharu/ryu,zangree/ryu,Zouyiran/ryu,elahejalalpour/ELRyu,gareging/SDN_Framework,umkcdcrg01/ryu_openflow,lsqtongxin/ryu,gopchandani/ryu,StephenKing/summerschool-2015-ryu,Tesi-Luca-Davide/ryu,ttsubo/ryu,gareging/SDN_Framework,jalilm/ryu,yamt/ryu,fujita/ryu,jazzmes/ryu,StephenKing/ryu,citrix-openstack-build/ryu,pichuang/ryu,ynkjm/ryu,citrix-openstack/build-ryu,lsqtongxin/ryu,castroflavio/ryu,StephenKing/summerschool-2015-ryu,Tesi-Luca-Davide/ryu,jalilm/ryu,John-Lin/ryu,samrussell/ryu,Tejas-Subramanya/RYU_MEC,ysywh/ryu,ykaneko/ryu,zangree/ryu,TakeshiTseng/ryu,osrg/ryu,jkoelker/ryu,habibiefaried/ryu,TakeshiTseng/ryu,alyosha1879/ryu,zyq001/ryu,hisaharu/ryu,hisaharu/ryu,osrg/ryu,Tejas-Subramanya/RYU_MEC,torufuru/OFPatchPanel,diogommartins/ryu,darjus-amzn/ryu,sivaramakrishnansr/ryu,unifycore/ryu,openvapour/ryu,Tejas-Subramanya/RYU_MEC,evanscottgray/ryu,ysywh/ryu,muzixing/ryu,muzixing/ryu,elahejalalpour/ELRyu,lagopus/ryu-lagopus-ext,takahashiminoru/ryu,sivaramakrishnansr/ryu,StephenKing/ryu,lagopus/ryu-lagopus-ext,Tesi-Luca-Davide/ryu,fujita/ryu,umkcdcrg01/ryu_openflow,ysywh/ryu,ntts-clo/mld-ryu,zyq001/ryu,sivaramakrishnansr/ryu,OpenState-SDN/ryu,gareging/SDN_Framework,citrix-openstack-build/ryu,iwaseyusuke/ryu,StephenKing/ryu,diogommartins/ryu,o3project/ryu-oe,gopchandani/ryu,TakeshiTseng/ryu