small setup.py fix
small setup.py fix

leohmoraes/tablib,whix/tablib,klothe/tablib,steveb/tablib,mloesch/tablib,steveb/tablib,klothe/tablib,alex/tablib,zhengzhihust/tablib,mloesch/tablib,tommyanthony/tablib,leohmoraes/tablib,enzochiau/tablib,screwt/tablib,zhengzhihust/tablib,whix/tablib,kennethreitz/tablib,bopo/tablib,godfreyy/tablib,enzochiau/tablib,durden/tablib,godfreyy/tablib,screwt/tablib,bopo/tablib