Fix: when no queries are being run, cleanup job fails with error
Fix: when no queries are being run, cleanup job fails with error

crowdworks/redash,44px/redash,stefanseifert/redash,denisov-vlad/redash,EverlyWell/redash,easytaxibr/redash,chriszs/redash,hudl/redash,ninneko/redash,getredash/redash,hudl/redash,alexanderlz/redash,stefanseifert/redash,chriszs/redash,useabode/redash,EverlyWell/redash,stefanseifert/redash,useabode/redash,denisov-vlad/redash,alexanderlz/redash,ninneko/redash,pubnative/redash,jmvasquez/redashtest,denisov-vlad/redash,jmvasquez/redashtest,akariv/redash,M32Media/redash,imsally/redash,ninneko/redash,akariv/redash,pubnative/redash,rockwotj/redash,hudl/redash,amino-data/redash,hudl/redash,moritz9/redash,rockwotj/redash,ninneko/redash,guaguadev/redash,vishesh92/redash,chriszs/redash,denisov-vlad/redash,easytaxibr/redash,crowdworks/redash,M32Media/redash,akariv/redash,M32Media/redash,jmvasquez/redashtest,amino-data/redash,rockwotj/redash,getredash/redash,stefanseifert/redash,guaguadev/redash,guaguadev/redash,rockwotj/redash,pubnative/redash,alexanderlz/redash,crowdworks/redash,44px/redash,44px/redash,amino-data/redash,moritz9/redash,imsally/redash,EverlyWell/redash,stefanseifert/redash,pubnative/redash,crowdworks/redash,imsally/redash,amino-data/redash,jmvasquez/redashtest,vishesh92/redash,alexanderlz/redash,vishesh92/redash,guaguadev/redash,chriszs/redash,ninneko/redash,pubnative/redash,EverlyWell/redash,easytaxibr/redash,denisov-vlad/redash,getredash/redash,guaguadev/redash,imsally/redash,44px/redash,useabode/redash,jmvasquez/redashtest,moritz9/redash,akariv/redash,getredash/redash,akariv/redash,vishesh92/redash,easytaxibr/redash,M32Media/redash,useabode/redash,getredash/redash,easytaxibr/redash,moritz9/redash