Fix weave import for Py3
Fix weave import for Py3

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