ENH: Rolling back to the version which compiles on travis only for python2
ENH: Rolling back to the version which compiles on travis only for python2

Messaoud-Boudjada/dipy,samuelstjean/dipy,FrancoisRheaultUS/dipy,mdesco/dipy,oesteban/dipy,mdesco/dipy,nilgoyyou/dipy,demianw/dipy,samuelstjean/dipy,jyeatman/dipy,matthieudumont/dipy,Messaoud-Boudjada/dipy,rfdougherty/dipy,beni55/dipy,FrancoisRheaultUS/dipy,sinkpoint/dipy,villalonreina/dipy,demianw/dipy,beni55/dipy,JohnGriffiths/dipy,nilgoyyou/dipy,samuelstjean/dipy,sinkpoint/dipy,villalonreina/dipy,rfdougherty/dipy,matthieudumont/dipy,StongeEtienne/dipy,jyeatman/dipy,oesteban/dipy,StongeEtienne/dipy,JohnGriffiths/dipy