[appveyor] warning on existing whls
[appveyor] warning on existing whls

befelix/GPy,mikecroucher/GPy,ysekky/GPy,mikecroucher/GPy,mikecroucher/GPy,SheffieldML/GPy,esiivola/GPYgradients,dhhjx880713/GPy,SheffieldML/GPy,befelix/GPy,SheffieldML/GPy,mikecroucher/GPy,esiivola/GPYgradients,dhhjx880713/GPy,ysekky/GPy,befelix/GPy,befelix/GPy,ysekky/GPy,esiivola/GPYgradients,dhhjx880713/GPy,SheffieldML/GPy,ysekky/GPy,esiivola/GPYgradients,dhhjx880713/GPy