Update requirements.txt
Update requirements.txt

The bootstrap.sh script fails on Debian 7.8

I solved the problem with :

$ sudo pip install requests==2.3.0

Check this bug for more details :
https://github.com/kennethreitz/requests/issues/2028
useabode/redash,jmvasquez/redashtest,getredash/redash,akariv/redash,alexanderlz/redash,hudl/redash,pubnative/redash,jmvasquez/redashtest,moritz9/redash,crowdworks/redash,easytaxibr/redash,alexanderlz/redash,44px/redash,pubnative/redash,vishesh92/redash,akariv/redash,ninneko/redash,guaguadev/redash,stefanseifert/redash,stefanseifert/redash,easytaxibr/redash,44px/redash,M32Media/redash,chriszs/redash,alexanderlz/redash,vishesh92/redash,amino-data/redash,akariv/redash,getredash/redash,akariv/redash,hudl/redash,hudl/redash,amino-data/redash,getredash/redash,chriszs/redash,chriszs/redash,stefanseifert/redash,moritz9/redash,stefanseifert/redash,pubnative/redash,EverlyWell/redash,crowdworks/redash,useabode/redash,crowdworks/redash,getredash/redash,denisov-vlad/redash,M32Media/redash,ninneko/redash,guaguadev/redash,hudl/redash,jmvasquez/redashtest,useabode/redash,moritz9/redash,rockwotj/redash,ninneko/redash,pubnative/redash,rockwotj/redash,vishesh92/redash,M32Media/redash,denisov-vlad/redash,rockwotj/redash,moritz9/redash,guaguadev/redash,jmvasquez/redashtest,EverlyWell/redash,easytaxibr/redash,stefanseifert/redash,rockwotj/redash,amino-data/redash,imsally/redash,alexanderlz/redash,44px/redash,chriszs/redash,EverlyWell/redash,denisov-vlad/redash,getredash/redash,guaguadev/redash,44px/redash,pubnative/redash,guaguadev/redash,jmvasquez/redashtest,useabode/redash,EverlyWell/redash,easytaxibr/redash,akariv/redash,ninneko/redash,M32Media/redash,denisov-vlad/redash,easytaxibr/redash,denisov-vlad/redash,imsally/redash,crowdworks/redash,imsally/redash,vishesh92/redash,ninneko/redash,amino-data/redash,imsally/redash