removed unused import
removed unused import

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