ENH:Changed error to warning
ENH:Changed error to warning

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