re-enabled a previous bugfix which was lost in a merge
re-enabled a previous bugfix which was lost in a merge

esiivola/GPYgradients,buntyke/GPy,buntyke/GPy,jameshensman/GPy,ysekky/GPy,Dapid/GPy,fivejjs/GPy,AlexGrig/GPy,befelix/GPy,SheffieldML/GPy,esiivola/GPYgradients,AlexGrig/GPy,avehtari/GPy,esiivola/GPYgradients,SheffieldML/GPy,maaskola/GPy,ptonner/GPy,gusmaogabriels/GPy,esiivola/GPYgradients,strongh/GPy,buntyke/GPy,maaskola/GPy,gusmaogabriels/GPy,mikecroucher/GPy,ysekky/GPy,fivejjs/GPy,beckdaniel/GPy,mikecroucher/GPy,jameshensman/GPy,avehtari/GPy,ptonner/GPy,PredictiveScienceLab/GPy,ysekky/GPy,TianpeiLuke/GPy,Dapid/GPy,PredictiveScienceLab/GPy,maaskola/GPy,PredictiveScienceLab/GPy,AlexGrig/GPy,befelix/GPy,TianpeiLuke/GPy,dhhjx880713/GPy,jameshensman/GPy,dhhjx880713/GPy,mikecroucher/GPy,SheffieldML/GPy,SheffieldML/GPy,beckdaniel/GPy,ptonner/GPy,beckdaniel/GPy,strongh/GPy,ptonner/GPy,TianpeiLuke/GPy,gusmaogabriels/GPy,befelix/GPy,Dapid/GPy,AlexGrig/GPy,strongh/GPy,maaskola/GPy,avehtari/GPy,dhhjx880713/GPy,dhhjx880713/GPy,fivejjs/GPy,avehtari/GPy,jameshensman/GPy,befelix/GPy,Dapid/GPy,buntyke/GPy,beckdaniel/GPy,PredictiveScienceLab/GPy,mikecroucher/GPy,ysekky/GPy