Upgrade requests to 2.8.0
Upgrade requests to 2.8.0

karan/warehouse,wlonk/warehouse,alex/warehouse,dstufft/warehouse,wlonk/warehouse,pypa/warehouse,ismail-s/warehouse,pypa/warehouse,ismail-s/warehouse,karan/warehouse,dstufft/warehouse,alex/warehouse,alex/warehouse,pypa/warehouse,alex/warehouse,karan/warehouse,ismail-s/warehouse,wlonk/warehouse,pypa/warehouse,alex/warehouse,ismail-s/warehouse,dstufft/warehouse,ismail-s/warehouse,dstufft/warehouse,karan/warehouse,karan/warehouse