Try rolling back setuptools to fix appveyor
Try rolling back setuptools to fix appveyor

hugovk/coveragepy,hugovk/coveragepy,nedbat/coveragepy,nedbat/coveragepy,hugovk/coveragepy,blueyed/coveragepy,hugovk/coveragepy,hugovk/coveragepy,nedbat/coveragepy,nedbat/coveragepy,blueyed/coveragepy,blueyed/coveragepy,blueyed/coveragepy,nedbat/coveragepy,blueyed/coveragepy