BUG: Handle empty input
BUG: Handle empty input

daviddoria/PointGraphsPhase1,biddisco/VTK,johnkit/vtk-dev,keithroe/vtkoptix,spthaolt/VTK,ashray/VTK-EVM,sumedhasingla/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,johnkit/vtk-dev,collects/VTK,arnaudgelas/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,msmolens/VTK,candy7393/VTK,ashray/VTK-EVM,sankhesh/VTK,SimVascular/VTK,cjh1/VTK,daviddoria/PointGraphsPhase1,hendradarwin/VTK,johnkit/vtk-dev,cjh1/VTK,gram526/VTK,mspark93/VTK,berendkleinhaneveld/VTK,msmolens/VTK,biddisco/VTK,ashray/VTK-EVM,spthaolt/VTK,gram526/VTK,mspark93/VTK,SimVascular/VTK,msmolens/VTK,daviddoria/PointGraphsPhase1,spthaolt/VTK,jmerkow/VTK,collects/VTK,spthaolt/VTK,SimVascular/VTK,mspark93/VTK,msmolens/VTK,SimVascular/VTK,msmolens/VTK,Wuteyan/VTK,ashray/VTK-EVM,gram526/VTK,cjh1/VTK,naucoin/VTKSlicerWidgets,SimVascular/VTK,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,candy7393/VTK,johnkit/vtk-dev,sumedhasingla/VTK,berendkleinhaneveld/VTK,collects/VTK,gram526/VTK,aashish24/VTK-old,Wuteyan/VTK,daviddoria/PointGraphsPhase1,gram526/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,sankhesh/VTK,sankhesh/VTK,aashish24/VTK-old,mspark93/VTK,arnaudgelas/VTK,aashish24/VTK-old,Wuteyan/VTK,johnkit/vtk-dev,ashray/VTK-EVM,sumedhasingla/VTK,SimVascular/VTK,sgh/vtk,ashray/VTK-EVM,sumedhasingla/VTK,cjh1/VTK,keithroe/vtkoptix,biddisco/VTK,naucoin/VTKSlicerWidgets,biddisco/VTK,ashray/VTK-EVM,candy7393/VTK,candy7393/VTK,daviddoria/PointGraphsPhase1,sgh/vtk,jmerkow/VTK,hendradarwin/VTK,Wuteyan/VTK,jmerkow/VTK,collects/VTK,demarle/VTK,sankhesh/VTK,demarle/VTK,demarle/VTK,naucoin/VTKSlicerWidgets,sgh/vtk,demarle/VTK,mspark93/VTK,johnkit/vtk-dev,SimVascular/VTK,candy7393/VTK,keithroe/vtkoptix,demarle/VTK,mspark93/VTK,aashish24/VTK-old,spthaolt/VTK,arnaudgelas/VTK,candy7393/VTK,msmolens/VTK,biddisco/VTK,jeffbaumes/jeffbaumes-vtk,arnaudgelas/VTK,arnaudgelas/VTK,berendkleinhaneveld/VTK,cjh1/VTK,cjh1/VTK,mspark93/VTK,jmerkow/VTK,spthaolt/VTK,sgh/vtk,hendradarwin/VTK,sumedhasingla/VTK,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,sankhesh/VTK,demarle/VTK,Wuteyan/VTK,aashish24/VTK-old,keithroe/vtkoptix,keithroe/vtkoptix,biddisco/VTK,sumedhasingla/VTK,candy7393/VTK,arnaudgelas/VTK,msmolens/VTK,hendradarwin/VTK,jeffbaumes/jeffbaumes-vtk,biddisco/VTK,hendradarwin/VTK,sumedhasingla/VTK,Wuteyan/VTK,ashray/VTK-EVM,keithroe/vtkoptix,jmerkow/VTK,sankhesh/VTK,naucoin/VTKSlicerWidgets,demarle/VTK,SimVascular/VTK,sumedhasingla/VTK,spthaolt/VTK,hendradarwin/VTK,naucoin/VTKSlicerWidgets,sgh/vtk,collects/VTK,berendkleinhaneveld/VTK,mspark93/VTK,keithroe/vtkoptix,gram526/VTK,hendradarwin/VTK,gram526/VTK,daviddoria/PointGraphsPhase1,jeffbaumes/jeffbaumes-vtk,sgh/vtk,demarle/VTK,candy7393/VTK,keithroe/vtkoptix,msmolens/VTK,johnkit/vtk-dev,jeffbaumes/jeffbaumes-vtk,naucoin/VTKSlicerWidgets,gram526/VTK,Wuteyan/VTK,collects/VTK,aashish24/VTK-old