Fix mkt.api.renderers.TestSuccinctJSONRenderer ('NoneType' is not iterable)
Fix mkt.api.renderers.TestSuccinctJSONRenderer ('NoneType' is not iterable)

Jobava/zamboni,shahbaz17/zamboni,kumar303/addons-server,mdaif/olympia,ddurst/zamboni,diox/olympia,wagnerand/zamboni,muffinresearch/olympia,anaran/olympia,beni55/olympia,clouserw/zamboni,Jobava/zamboni,koehlermichael/olympia,Prashant-Surya/addons-server,Joergen/zamboni,lavish205/olympia,diox/olympia,beni55/olympia,mrrrgn/olympia,shahbaz17/zamboni,mudithkr/zamboni,Witia1/olympia,jpetto/olympia,mozilla/addons-server,mozilla/zamboni,wagnerand/zamboni,diox/olympia,mudithkr/zamboni,mstriemer/zamboni,harry-7/addons-server,koehlermichael/olympia,muffinresearch/olympia,shahbaz17/zamboni,psiinon/addons-server,ddurst/zamboni,eviljeff/olympia,aviarypl/mozilla-l10n-addons-server,harry-7/addons-server,harikishen/addons-server,psiinon/addons-server,ingenioustechie/zamboni,mozilla/olympia,Jobava/zamboni,washort/zamboni,elysium001/zamboni,mstriemer/addons-server,ayushagrawal288/zamboni,jasonthomas/zamboni,aviarypl/mozilla-l10n-addons-server,tsl143/addons-server,andymckay/zamboni,elysium001/zamboni,ayushagrawal288/zamboni,wagnerand/olympia,kumar303/olympia,beni55/olympia,johancz/olympia,spasovski/zamboni,mstriemer/olympia,jamesthechamp/zamboni,ayushagrawal288/zamboni,SuriyaaKudoIsc/olympia,robhudson/zamboni,andymckay/addons-server,clouserw/zamboni,mozilla/zamboni,yfdyh000/olympia,Hitechverma/zamboni,Joergen/zamboni,diox/zamboni,Prashant-Surya/addons-server,kumar303/zamboni,magopian/olympia,koehlermichael/olympia,Nolski/olympia,muffinresearch/addons-server,andymckay/zamboni,crdoconnor/olympia,andymckay/olympia,lavish205/olympia,bqbn/addons-server,atiqueahmedziad/addons-server,eviljeff/olympia,mrrrgn/olympia,ingenioustechie/zamboni,jamesthechamp/zamboni,beni55/olympia,robhudson/zamboni,SuriyaaKudoIsc/olympia,crdoconnor/olympia,mrrrgn/olympia,Joergen/olympia,washort/zamboni,Revanth47/addons-server,wagnerand/olympia,robhudson/zamboni,robhudson/zamboni,Prashant-Surya/addons-server,Hitechverma/zamboni,mozilla/addons-server,kmaglione/olympia,wagnerand/addons-server,wagnerand/addons-server,diox/zamboni,mozilla/olympia,mudithkr/zamboni,johancz/olympia,psiinon/addons-server,ngokevin/zamboni,aviarypl/mozilla-l10n-addons-server,crdoconnor/olympia,SuriyaaKudoIsc/olympia,anaran/olympia,luckylavish/zamboni,kumar303/olympia,diox/olympia,Revanth47/addons-server,jasonthomas/zamboni,mstriemer/zamboni,mstriemer/olympia,SuriyaaKudoIsc/olympia,anaran/olympia,ayushagrawal288/zamboni,mozilla/addons-server,atiqueahmedziad/addons-server,Joergen/olympia,Jobava/zamboni,tsl143/zamboni,mstriemer/addons-server,jasonthomas/zamboni,aviarypl/mozilla-l10n-addons-server,tsl143/addons-server,ddurst/zamboni,lavish205/olympia,Nolski/olympia,elysium001/zamboni,mozilla/addons-server,Joergen/olympia,psiinon/addons-server,harikishen/addons-server,yfdyh000/olympia,jpetto/olympia,tsl143/addons-server,koehlermichael/olympia,andymckay/olympia,ingenioustechie/zamboni,jpetto/olympia,andymckay/addons-server,muffinresearch/addons-server,shahbaz17/zamboni,harry-7/addons-server,mrrrgn/olympia,mozilla/zamboni,muffinresearch/olympia,mdaif/olympia,tsl143/addons-server,mozilla/zamboni,diox/zamboni,luckylavish/zamboni,bqbn/addons-server,johancz/olympia,washort/zamboni,bqbn/addons-server,spasovski/zamboni,andymckay/addons-server,wagnerand/olympia,Joergen/olympia,kumar303/zamboni,spasovski/zamboni,elysium001/zamboni,bqbn/addons-server,luckylavish/zamboni,kmaglione/olympia,jpetto/olympia,johancz/olympia,wagnerand/olympia,kumar303/addons-server,muffinresearch/olympia,muffinresearch/olympia,koehlermichael/olympia,Nolski/olympia,kmaglione/olympia,johancz/olympia,andymckay/olympia,ngokevin/zamboni,Witia1/olympia,jamesthechamp/zamboni,mdaif/olympia,Joergen/olympia,kumar303/zamboni,spasovski/zamboni,muffinresearch/addons-server,clouserw/zamboni,beni55/olympia,kumar303/addons-server,andymckay/addons-server,ngokevin/zamboni,lavish205/olympia,muffinresearch/addons-server,mstriemer/olympia,kumar303/olympia,wagnerand/zamboni,yfdyh000/olympia,magopian/olympia,yfdyh000/olympia,Joergen/zamboni,mozilla/olympia,Witia1/olympia,anaran/olympia,Hitechverma/zamboni,ingenioustechie/zamboni,yfdyh000/olympia,eviljeff/zamboni,wagnerand/zamboni,Joergen/zamboni,eviljeff/olympia,kmaglione/olympia,Revanth47/addons-server,atiqueahmedziad/addons-server,eviljeff/zamboni,Nolski/olympia,Hitechverma/zamboni,Witia1/olympia,kumar303/addons-server,Revanth47/addons-server,magopian/olympia,magopian/olympia,eviljeff/zamboni,crdoconnor/olympia,wagnerand/addons-server,Joergen/zamboni,mozilla/olympia,luckylavish/zamboni,jasonthomas/zamboni,mstriemer/olympia,atiqueahmedziad/addons-server,mstriemer/addons-server,muffinresearch/addons-server,andymckay/zamboni,mdaif/olympia,harikishen/addons-server,Joergen/zamboni,washort/zamboni,kumar303/olympia,mdaif/olympia,eviljeff/olympia,tsl143/zamboni,kmaglione/olympia,Witia1/olympia,ddurst/zamboni,andymckay/olympia,wagnerand/addons-server,tsl143/zamboni,mstriemer/addons-server,harry-7/addons-server,eviljeff/zamboni,mstriemer/zamboni,mstriemer/zamboni,magopian/olympia,crdoconnor/olympia,hari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