Use from gevent.queue import Queue
Use from gevent.queue import Queue

For consistency.

Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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