Return an empty string for missing summary lines. Can't compare None to strings in Py3k.
Return an empty string for missing summary lines. Can't compare None to strings in Py3k.

habibmasuro/kivy,gonzafirewall/kivy,KeyWeeUsr/kivy,cbenhagen/kivy,niavlys/kivy,akshayaurora/kivy,rafalo1333/kivy,jffernandez/kivy,bob-the-hamster/kivy,LogicalDash/kivy,manthansharma/kivy,arcticshores/kivy,jkankiewicz/kivy,bhargav2408/kivy,autosportlabs/kivy,akshayaurora/kivy,Cheaterman/kivy,bionoid/kivy,autosportlabs/kivy,bliz937/kivy,vitorio/kivy,CuriousLearner/kivy,kivy/kivy,adamkh/kivy,bhargav2408/kivy,dirkjot/kivy,JohnHowland/kivy,ernstp/kivy,Farkal/kivy,Cheaterman/kivy,cbenhagen/kivy,LogicalDash/kivy,denys-duchier/kivy,bob-the-hamster/kivy,yoelk/kivy,MiyamotoAkira/kivy,edubrunaldi/kivy,Cheaterman/kivy,angryrancor/kivy,edubrunaldi/kivy,mSenyor/kivy,Shyam10/kivy,arcticshores/kivy,VinGarcia/kivy,habibmasuro/kivy,darkopevec/kivy,inclement/kivy,iamutkarshtiwari/kivy,KeyWeeUsr/kivy,rnixx/kivy,niavlys/kivy,aron-bordin/kivy,andnovar/kivy,Shyam10/kivy,darkopevec/kivy,jffernandez/kivy,thezawad/kivy,bliz937/kivy,jehutting/kivy,Ramalus/kivy,angryrancor/kivy,MiyamotoAkira/kivy,LogicalDash/kivy,arcticshores/kivy,LogicalDash/kivy,yoelk/kivy,ehealthafrica-ci/kivy,eHealthAfrica/kivy,viralpandey/kivy,darkopevec/kivy,tony/kivy,jegger/kivy,bionoid/kivy,thezawad/kivy,akshayaurora/kivy,aron-bordin/kivy,ehealthafrica-ci/kivy,xiaoyanit/kivy,arlowhite/kivy,rnixx/kivy,jegger/kivy,dirkjot/kivy,JohnHowland/kivy,inclement/kivy,vitorio/kivy,aron-bordin/kivy,matham/kivy,manashmndl/kivy,KeyWeeUsr/kivy,cbenhagen/kivy,KeyWeeUsr/kivy,adamkh/kivy,kived/kivy,JohnHowland/kivy,janssen/kivy,VinGarcia/kivy,inclement/kivy,xiaoyanit/kivy,arlowhite/kivy,arcticshores/kivy,ehealthafrica-ci/kivy,manashmndl/kivy,bob-the-hamster/kivy,ernstp/kivy,eHealthAfrica/kivy,xpndlabs/kivy,manthansharma/kivy,vitorio/kivy,habibmasuro/kivy,iamutkarshtiwari/kivy,kived/kivy,dirkjot/kivy,matham/kivy,CuriousLearner/kivy,bhargav2408/kivy,jffernandez/kivy,rafalo1333/kivy,el-ethan/kivy,JohnHowland/kivy,youprofit/kivy,MiyamotoAkira/kivy,youprofit/kivy,manthansharma/kivy,vipulroxx/kivy,jehutting/kivy,el-ethan/kivy,rnixx/kivy,Shyam10/kivy,jegger/kivy,Farkal/kivy,janssen/kivy,mSenyor/kivy,gonzafirewall/kivy,vipulroxx/kivy,matham/kivy,viralpandey/kivy,bliz937/kivy,rafalo1333/kivy,ernstp/kivy,thezawad/kivy,manashmndl/kivy,jkankiewicz/kivy,xiaoyanit/kivy,Ramalus/kivy,jehutting/kivy,ehealthafrica-ci/kivy,eHealthAfrica/kivy,iamutkarshtiwari/kivy,yoelk/kivy,andnovar/kivy,edubrunaldi/kivy,xpndlabs/kivy,gonzafirewall/kivy,manthansharma/kivy,bionoid/kivy,Farkal/kivy,mSenyor/kivy,aron-bordin/kivy,yoelk/kivy,matham/kivy,xpndlabs/kivy,Farkal/kivy,andnovar/kivy,VinGarcia/kivy,kived/kivy,kivy/kivy,niavlys/kivy,niavlys/kivy,janssen/kivy,jegger/kivy,el-ethan/kivy,jkankiewicz/kivy,bob-the-hamster/kivy,vipulroxx/kivy,Shyam10/kivy,ernstp/kivy,jkankiewicz/kivy,dirkjot/kivy,adamkh/kivy,Cheaterman/kivy,denys-duchier/kivy,viralpandey/kivy,vipulroxx/kivy,darkopevec/kivy,jffernandez/kivy,autosportlabs/kivy,arlowhite/kivy,kivy/kivy,MiyamotoAkira/kivy,adamkh/kivy,eHealthAfrica/kivy,denys-duchier/kivy,janssen/kivy,angryrancor/kivy,bionoid/kivy,tony/kivy,Ramalus/kivy,denys-duchier/kivy,youprofit/kivy,tony/kivy,angryrancor/kivy,CuriousLearner/kivy,gonzafirewall/kivy