Pep8 in fvtk.py
Pep8 in fvtk.py

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