Should not have error message with empty inputs.
Should not have error message with empty inputs.

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