tester: Adapt to Python3 dictview
tester: Adapt to Python3 dictview

Signed-off-by: IWASE Yusuke <bb80e84cc9f5a8f01385872ee89032beb5d4eba7@gmail.com>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

ttsubo/ryu,takahashiminoru/ryu,shinpeimuraoka/ryu,habibiefaried/ryu,OpenState-SDN/ryu,TakeshiTseng/ryu,ttsubo/ryu,TakeshiTseng/ryu,osrg/ryu,Tejas-Subramanya/RYU_MEC,TakeshiTseng/ryu,shinpeimuraoka/ryu,osrg/ryu,TakeshiTseng/ryu,ttsubo/ryu,iwaseyusuke/ryu,habibiefaried/ryu,fkakuma/ryu,fkakuma/ryu,alanquillin/ryu,zangree/ryu,gareging/SDN_Framework,fujita/ryu,pichuang/ryu,Tejas-Subramanya/RYU_MEC,iwaseyusuke/ryu,lagopus/ryu-lagopus-ext,iwaseyusuke/ryu,hisaharu/ryu,pichuang/ryu,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,hisaharu/ryu,lagopus/ryu-lagopus-ext,fujita/ryu,alanquillin/ryu,pichuang/ryu,alanquillin/ryu,zangree/ryu,fkakuma/ryu,pichuang/ryu,takahashiminoru/ryu,OpenState-SDN/ryu,zangree/ryu,TakeshiTseng/ryu,iwaseyusuke/ryu,pichuang/ryu,hisaharu/ryu,lagopus/ryu-lagopus-ext,Tejas-Subramanya/RYU_MEC,fujita/ryu,habibiefaried/ryu,osrg/ryu,gareging/SDN_Framework,alanquillin/ryu,OpenState-SDN/ryu,gareging/SDN_Framework,iwaseyusuke/ryu,Zouyiran/ryu,hisaharu/ryu,ttsubo/ryu,gareging/SDN_Framework,OpenState-SDN/ryu,takahashiminoru/ryu,takahashiminoru/ryu,lagopus/ryu-lagopus-ext,ttsubo/ryu,Zouyiran/ryu,osrg/ryu,Zouyiran/ryu,Zouyiran/ryu,zangree/ryu,shinpeimuraoka/ryu,gareging/SDN_Framework,lagopus/ryu-lagopus-ext,fkakuma/ryu,Zouyiran/ryu,fujita/ryu,shinpeimuraoka/ryu,fkakuma/ryu,alanquillin/ryu,OpenState-SDN/ryu,zangree/ryu,osrg/ryu,takahashiminoru/ryu,habibiefaried/ryu,Tejas-Subramanya/RYU_MEC,fujita/ryu,hisaharu/ryu,habibiefaried/ryu